first commit

catalog/model/account/activity.php

@@ -0,0 +1,24 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Activity
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Activity extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $key
+	 * @param array  $data
+	 *
+	 * @return void
+	 */
+	public function addActivity(string $key, array $data): void {
+		if (isset($data['customer_id'])) {
+			$customer_id = $data['customer_id'];
+		} else {
+			$customer_id = 0;
+		}
+
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_activity` SET `customer_id` = '" . (int)$customer_id . "', `key` = '" . $this->db->escape($key) . "', `data` = '" . $this->db->escape(json_encode($data)) . "', `ip` = '" . $this->db->escape($this->request->server['REMOTE_ADDR']) . "', `date_added` = NOW()");
+	}
+}

catalog/model/account/address.php

@@ -0,0 +1,144 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Address
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Address extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int   $customer_id
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addAddress(int $customer_id, array $data): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "address` SET `customer_id` = '" . (int)$customer_id . "', `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `company` = '" . $this->db->escape((string)$data['company']) . "', `address_1` = '" . $this->db->escape((string)$data['address_1']) . "', `address_2` = '" . $this->db->escape((string)$data['address_2']) . "', `postcode` = '" . $this->db->escape((string)$data['postcode']) . "', `city` = '" . $this->db->escape((string)$data['city']) . "', `zone_id` = '" . (int)$data['zone_id'] . "', `country_id` = '" . (int)$data['country_id'] . "', `custom_field` = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "', `default` = '" . (isset($data['default']) ? (int)$data['default'] : 0) . "'");
+
+		$address_id = $this->db->getLastId();
+
+		if (!empty($data['default'])) {
+			$this->db->query("UPDATE `" . DB_PREFIX . "address` SET `default` = '0' WHERE `address_id` != '" . (int)$address_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+		}
+
+		return $address_id;
+	}
+
+	/**
+	 * @param int   $address_id
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function editAddress(int $address_id, array $data): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "address` SET `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `company` = '" . $this->db->escape((string)$data['company']) . "', `address_1` = '" . $this->db->escape((string)$data['address_1']) . "', `address_2` = '" . $this->db->escape((string)$data['address_2']) . "', `postcode` = '" . $this->db->escape((string)$data['postcode']) . "', `city` = '" . $this->db->escape((string)$data['city']) . "', `zone_id` = '" . (int)$data['zone_id'] . "', `country_id` = '" . (int)$data['country_id'] . "', `custom_field` = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "', `default` = '" . (isset($data['default']) ? (int)$data['default'] : 0) . "' WHERE `address_id` = '" . (int)$address_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		if (!empty($data['default'])) {
+			$this->db->query("UPDATE `" . DB_PREFIX . "address` SET `default` = '0' WHERE `address_id` != '" . (int)$address_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+		}
+	}
+
+	/**
+	 * @param int $address_id
+	 *
+	 * @return void
+	 */
+	public function deleteAddress(int $address_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "address` WHERE `address_id` = '" . (int)$address_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+	}
+
+	/**
+	 * @param int $customer_id
+	 * @param int $address_id
+	 *
+	 * @return array
+	 */
+	public function getAddress(int $customer_id, int $address_id): array {
+		$address_query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "address` WHERE `address_id` = '" . (int)$address_id . "' AND `customer_id` = '" . (int)$customer_id . "'");
+
+		if ($address_query->num_rows) {
+			$this->load->model('localisation/country');
+
+			$country_info = $this->model_localisation_country->getCountry($address_query->row['country_id']);
+
+			if ($country_info) {
+				$country = $country_info['name'];
+				$iso_code_2 = $country_info['iso_code_2'];
+				$iso_code_3 = $country_info['iso_code_3'];
+				$address_format = $country_info['address_format'];
+			} else {
+				$country = '';
+				$iso_code_2 = '';
+				$iso_code_3 = '';
+				$address_format = '';
+			}
+
+			$this->load->model('localisation/zone');
+
+			$zone_info = $this->model_localisation_zone->getZone($address_query->row['zone_id']);
+
+			if ($zone_info) {
+				$zone = $zone_info['name'];
+				$zone_code = $zone_info['code'];
+			} else {
+				$zone = '';
+				$zone_code = '';
+			}
+
+			return [
+				'address_id'     => $address_query->row['address_id'],
+				'firstname'      => $address_query->row['firstname'],
+				'lastname'       => $address_query->row['lastname'],
+				'company'        => $address_query->row['company'],
+				'address_1'      => $address_query->row['address_1'],
+				'address_2'      => $address_query->row['address_2'],
+				'city'           => $address_query->row['city'],
+				'postcode'       => $address_query->row['postcode'],
+				'zone_id'        => $address_query->row['zone_id'],
+				'zone'           => $zone,
+				'zone_code'      => $zone_code,
+				'country_id'     => $address_query->row['country_id'],
+				'country'        => $country,
+				'iso_code_2'     => $iso_code_2,
+				'iso_code_3'     => $iso_code_3,
+				'address_format' => $address_format,
+				'custom_field'   => json_decode($address_query->row['custom_field'], true),
+				'default'        => $address_query->row['default']
+			];
+		} else {
+			return [];
+		}
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return array
+	 */
+	public function getAddresses(int $customer_id): array {
+		$address_data = [];
+
+		$query = $this->db->query("SELECT `address_id` FROM `" . DB_PREFIX . "address` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		foreach ($query->rows as $result) {
+			$address_info = $this->getAddress($customer_id, $result['address_id']);
+
+			if ($address_info) {
+				$address_data[$result['address_id']] = $address_info;
+			}
+		}
+
+		return $address_data;
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return int
+	 */
+	public function getTotalAddresses(int $customer_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "address` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/account/affiliate.php

@@ -0,0 +1,65 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Affiliate
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Affiliate extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int   $customer_id
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function addAffiliate(int $customer_id, array $data): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_affiliate` SET `customer_id` = '" . (int)$customer_id . "', `company` = '" . $this->db->escape((string)$data['company']) . "', `website` = '" . $this->db->escape((string)$data['website']) . "', `tracking` = '" . $this->db->escape(oc_token(10)) . "', `commission` = '" . (float)$this->config->get('config_affiliate_commission') . "', `tax` = '" . $this->db->escape((string)$data['tax']) . "', `payment_method` = '" . $this->db->escape((string)$data['payment_method']) . "', `cheque` = '" . $this->db->escape((string)$data['cheque']) . "', `paypal` = '" . $this->db->escape((string)$data['paypal']) . "', `bank_name` = '" . $this->db->escape((string)$data['bank_name']) . "', `bank_branch_number` = '" . $this->db->escape((string)$data['bank_branch_number']) . "', `bank_swift_code` = '" . $this->db->escape((string)$data['bank_swift_code']) . "', `bank_account_name` = '" . $this->db->escape((string)$data['bank_account_name']) . "', `bank_account_number` = '" . $this->db->escape((string)$data['bank_account_number']) . "', custom_field = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "', `status` = '" . (int)!$this->config->get('config_affiliate_approval') . "', `date_added` = NOW()");
+
+		if ($this->config->get('config_affiliate_approval')) {
+			$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_approval` SET `customer_id` = '" . (int)$customer_id . "', `type` = 'affiliate', `date_added` = NOW()");
+		}
+	}
+
+	/**
+	 * @param int   $customer_id
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function editAffiliate(int $customer_id, array $data): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "customer_affiliate` SET `company` = '" . $this->db->escape((string)$data['company']) . "', `website` = '" . $this->db->escape((string)$data['website']) . "', `commission` = '" . (float)$this->config->get('config_affiliate_commission') . "', `tax` = '" . $this->db->escape((string)$data['tax']) . "', `payment_method` = '" . $this->db->escape((string)$data['payment_method']) . "', `cheque` = '" . $this->db->escape((string)$data['cheque']) . "', `paypal` = '" . $this->db->escape((string)$data['paypal']) . "', `bank_name` = '" . $this->db->escape((string)$data['bank_name']) . "', `bank_branch_number` = '" . $this->db->escape((string)$data['bank_branch_number']) . "', `bank_swift_code` = '" . $this->db->escape((string)$data['bank_swift_code']) . "', `bank_account_name` = '" . $this->db->escape((string)$data['bank_account_name']) . "', `bank_account_number` = '" . $this->db->escape((string)$data['bank_account_number']) . "', custom_field = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "' WHERE `customer_id` = '" . (int)$customer_id . "'");
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return array
+	 */
+	public function getAffiliate(int $customer_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_affiliate` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getAffiliateByTracking(string $code): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_affiliate` WHERE `tracking` = '" . $this->db->escape($code) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int    $customer_id
+	 * @param string $ip
+	 * @param string $country
+	 *
+	 * @return void
+	 */
+	public function addReport(int $customer_id, string $ip, string $country = ''): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_affiliate_report` SET `customer_id` = '" . (int)$customer_id . "', `store_id` = '" . (int)$this->config->get('config_store_id') . "', `ip` = '" . $this->db->escape($ip) . "', `country` = '" . $this->db->escape($country) . "', `date_added` = NOW()");
+	}
+}

catalog/model/account/api.php

@@ -0,0 +1,44 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Api
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Api extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $username
+	 * @param string $key
+	 *
+	 * @return array
+	 */
+	public function login(string $username, string $key): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "api` WHERE `username` = '" . $this->db->escape($username) . "' AND `key` = '" . $this->db->escape($key) . "' AND `status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int    $api_id
+	 * @param string $session_id
+	 * @param string $ip
+	 *
+	 * @return int
+	 */
+	public function addSession(int $api_id, string $session_id, string $ip): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "api_session` SET `api_id` = '" . (int)$api_id . "', `session_id` = '" . $this->db->escape($session_id) . "', `ip` = '" . $this->db->escape($ip) . "', `date_added` = NOW(), `date_modified` = NOW()");
+
+		return $this->db->getLastId();
+	}
+
+	/**
+	 * @param int $api_id
+	 *
+	 * @return array
+	 */
+	public function getIps(int $api_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "api_ip` WHERE `api_id` = '" . (int)$api_id . "'");
+
+		return $query->rows;
+	}
+}

catalog/model/account/custom_field.php

@@ -0,0 +1,63 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class CustomField
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class CustomField extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $custom_field_id
+	 *
+	 * @return array
+	 */
+	public function getCustomField(int $custom_field_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "custom_field` cf LEFT JOIN `" . DB_PREFIX . "custom_field_description` cfd ON (cf.`custom_field_id` = cfd.`custom_field_id`) WHERE cf.`status` = '1' AND cf.`custom_field_id` = '" . (int)$custom_field_id . "' AND cfd.`language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $customer_group_id
+	 *
+	 * @return array
+	 */
+	public function getCustomFields(int $customer_group_id = 0): array {
+		$custom_field_data = [];
+
+		if (!$customer_group_id) {
+			$custom_field_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "custom_field` cf LEFT JOIN `" . DB_PREFIX . "custom_field_description` cfd ON (cf.`custom_field_id` = cfd.`custom_field_id`) WHERE cf.`status` = '1' AND cfd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY cf.`sort_order` ASC");
+		} else {
+			$custom_field_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "custom_field_customer_group` cfcg LEFT JOIN `" . DB_PREFIX . "custom_field` cf ON (cfcg.`custom_field_id` = cf.`custom_field_id`) LEFT JOIN `" . DB_PREFIX . "custom_field_description` cfd ON (cf.`custom_field_id` = cfd.`custom_field_id`) WHERE cf.`status` = '1' AND cfd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND cfcg.`customer_group_id` = '" . (int)$customer_group_id . "' ORDER BY cf.`sort_order` ASC");
+		}
+
+		foreach ($custom_field_query->rows as $custom_field) {
+			$custom_field_value_data = [];
+
+			if ($custom_field['type'] == 'select' || $custom_field['type'] == 'radio' || $custom_field['type'] == 'checkbox') {
+				$custom_field_value_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "custom_field_value` cfv LEFT JOIN `" . DB_PREFIX . "custom_field_value_description` cfvd ON (cfv.`custom_field_value_id` = cfvd.`custom_field_value_id`) WHERE cfv.`custom_field_id` = '" . (int)$custom_field['custom_field_id'] . "' AND cfvd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY cfv.`sort_order` ASC");
+
+				foreach ($custom_field_value_query->rows as $custom_field_value) {
+					$custom_field_value_data[] = [
+						'custom_field_value_id' => $custom_field_value['custom_field_value_id'],
+						'name'                  => $custom_field_value['name']
+					];
+				}
+			}
+
+			$custom_field_data[] = [
+				'custom_field_id'    => $custom_field['custom_field_id'],
+				'custom_field_value' => $custom_field_value_data,
+				'name'               => $custom_field['name'],
+				'type'               => $custom_field['type'],
+				'value'              => $custom_field['value'],
+				'validation'         => $custom_field['validation'],
+				'location'           => $custom_field['location'],
+				'required'           => empty($custom_field['required']) || $custom_field['required'] == 0 ? false : true,
+				'sort_order'         => $custom_field['sort_order']
+			];
+		}
+
+		return $custom_field_data;
+	}
+}

catalog/model/account/customer.php

@@ -0,0 +1,284 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Customer
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Customer extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addCustomer(array $data): int {
+		if (isset($data['customer_group_id']) && is_array($this->config->get('config_customer_group_display')) && in_array($data['customer_group_id'], $this->config->get('config_customer_group_display'))) {
+			$customer_group_id = (int)$data['customer_group_id'];
+		} else {
+			$customer_group_id = (int)$this->config->get('config_customer_group_id');
+		}
+
+		$this->load->model('account/customer_group');
+
+		$customer_group_info = $this->model_account_customer_group->getCustomerGroup($customer_group_id);
+
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer` SET `customer_group_id` = '" . (int)$customer_group_id . "', `store_id` = '" . (int)$this->config->get('config_store_id') . "', `language_id` = '" . (int)$this->config->get('config_language_id') . "', `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `email` = '" . $this->db->escape((string)$data['email']) . "', `telephone` = '" . $this->db->escape((string)$data['telephone']) . "', `custom_field` = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "', `password` = '" . $this->db->escape(password_hash(html_entity_decode($data['password'], ENT_QUOTES, 'UTF-8'), PASSWORD_DEFAULT)) . "', `newsletter` = '" . (isset($data['newsletter']) ? (int)$data['newsletter'] : 0) . "', `ip` = '" . $this->db->escape($this->request->server['REMOTE_ADDR']) . "', `status` = '" . (int)!$customer_group_info['approval'] . "', `date_added` = NOW()");
+
+		$customer_id = $this->db->getLastId();
+
+		if ($customer_group_info['approval']) {
+			$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_approval` SET `customer_id` = '" . (int)$customer_id . "', `type` = 'customer', `date_added` = NOW()");
+		}
+
+		return $customer_id;
+	}
+
+	/**
+	 * @param int   $customer_id
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function editCustomer(int $customer_id, array $data): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "customer` SET `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `email` = '" . $this->db->escape((string)$data['email']) . "', `telephone` = '" . $this->db->escape((string)$data['telephone']) . "', `custom_field` = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "' WHERE `customer_id` = '" . (int)$customer_id . "'");
+	}
+
+	/**
+	 * @param string $email
+	 * @param string $password
+	 *
+	 * @return void
+	 */
+	public function editPassword(string $email, string $password): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "customer` SET `password` = '" . $this->db->escape(password_hash(html_entity_decode($password, ENT_QUOTES, 'UTF-8'), PASSWORD_DEFAULT)) . "', `code` = '' WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+	}
+
+	/**
+	 * @param string $email
+	 * @param string $code
+	 *
+	 * @return void
+	 */
+	public function editCode(string $email, string $code): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "customer` SET `code` = '" . $this->db->escape($code) . "' WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+	}
+
+	/**
+	 * @param string $email
+	 * @param string $token
+	 *
+	 * @return void
+	 */
+	public function editToken(string $email, string $token): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "customer` SET `token` = '" . $this->db->escape($token) . "' WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+	}
+
+	/**
+	 * @param bool $newsletter
+	 *
+	 * @return void
+	 */
+	public function editNewsletter(bool $newsletter): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "customer` SET `newsletter` = '" . (int)$newsletter . "' WHERE `customer_id` = '" . (int)$this->customer->getId() . "'");
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return void
+	 */
+	public function deleteCustomer(int $customer_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_activity` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_affiliate` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_affiliate_report` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_approval` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_history` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_reward` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_transaction` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_wishlist` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_ip` WHERE `customer_id` = '" . (int)$customer_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "address` WHERE `customer_id` = '" . (int)$customer_id . "'");
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return array
+	 */
+	public function getCustomer(int $customer_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $email
+	 *
+	 * @return array
+	 */
+	public function getCustomerByEmail(string $email): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer` WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getCustomerByCode(string $code): array {
+		$query = $this->db->query("SELECT `customer_id`, `firstname`, `lastname`, `email` FROM `" . DB_PREFIX . "customer` WHERE `code` = '" . $this->db->escape($code) . "' AND `code` != ''");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $token
+	 *
+	 * @return array
+	 */
+	public function getCustomerByToken(string $token): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer` WHERE `token` = '" . $this->db->escape($token) . "' AND `token` != ''");
+
+		if ($query->num_rows) {
+			$this->db->query("UPDATE `" . DB_PREFIX . "customer` SET `token` = '' WHERE `customer_id` = '" . (int)$query->row['customer_id'] . "'");
+		}
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $email
+	 *
+	 * @return int
+	 */
+	public function getTotalCustomersByEmail(string $email): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer` WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int    $customer_id
+	 * @param string $description
+	 * @param float  $amount
+	 * @param int    $order_id
+	 *
+	 * @return void
+	 */
+	public function addTransaction(int $customer_id, string $description, float $amount = 0, int $order_id = 0): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_transaction` SET `customer_id` = '" . (int)$customer_id . "', `order_id` = '" . (int)$order_id . "', `description` = '" . $this->db->escape($description) . "', `amount` = '" . (float)$amount . "', `date_added` = NOW()");
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return void
+	 */
+	public function deleteTransactionByOrderId(int $order_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_transaction` WHERE `order_id` = '" . (int)$order_id . "'");
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return float
+	 */
+	public function getTransactionTotal(int $customer_id): float {
+		$query = $this->db->query("SELECT SUM(`amount`) AS `total` FROM `" . DB_PREFIX . "customer_transaction` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return (float)$query->row['total'];
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return int
+	 */
+	public function getTotalTransactionsByOrderId(int $order_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer_transaction` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return int
+	 */
+	public function getRewardTotal(int $customer_id): int {
+		$query = $this->db->query("SELECT SUM(`points`) AS `total` FROM `" . DB_PREFIX . "customer_reward` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return array
+	 */
+	public function getIps(int $customer_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_ip` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return int
+	 */
+	public function getTotalIps(int $customer_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer_ip` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int    $customer_id
+	 * @param string $ip
+	 * @param string $country
+	 *
+	 * @return void
+	 */
+	public function addLogin(int $customer_id, string $ip, string $country = ''): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_ip` SET `customer_id` = '" . (int)$customer_id . "', `store_id` = '" . (int)$this->config->get('config_store_id') . "', `ip` = '" . $this->db->escape($ip) . "', `country` = '" . $this->db->escape($country) . "', `date_added` = NOW()");
+	}
+
+	/**
+	 * @param string $email
+	 *
+	 * @return void
+	 */
+	public function addLoginAttempt(string $email): void {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_login` WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower((string)$email)) . "' AND `ip` = '" . $this->db->escape($this->request->server['REMOTE_ADDR']) . "'");
+
+		if (!$query->num_rows) {
+			$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_login` SET `email` = '" . $this->db->escape(oc_strtolower((string)$email)) . "', `ip` = '" . $this->db->escape($this->request->server['REMOTE_ADDR']) . "', `total` = '1', `date_added` = '" . $this->db->escape(date('Y-m-d H:i:s')) . "', `date_modified` = '" . $this->db->escape(date('Y-m-d H:i:s')) . "'");
+		} else {
+			$this->db->query("UPDATE `" . DB_PREFIX . "customer_login` SET `total` = (`total` + 1), `date_modified` = '" . $this->db->escape(date('Y-m-d H:i:s')) . "' WHERE `customer_login_id` = '" . (int)$query->row['customer_login_id'] . "'");
+		}
+	}
+
+	/**
+	 * @param string $email
+	 *
+	 * @return array
+	 */
+	public function getLoginAttempts(string $email): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_login` WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $email
+	 *
+	 * @return void
+	 */
+	public function deleteLoginAttempts(string $email): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_login` WHERE LCASE(`email`) = '" . $this->db->escape(oc_strtolower($email)) . "'");
+	}
+}

catalog/model/account/customer_group.php

@@ -0,0 +1,28 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Customer Group
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class CustomerGroup extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $customer_group_id
+	 *
+	 * @return array
+	 */
+	public function getCustomerGroup(int $customer_group_id): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "customer_group` cg LEFT JOIN `" . DB_PREFIX . "customer_group_description` cgd ON (cg.`customer_group_id` = cgd.`customer_group_id`) WHERE cg.`customer_group_id` = '" . (int)$customer_group_id . "' AND cgd.`language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getCustomerGroups(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_group` cg LEFT JOIN `" . DB_PREFIX . "customer_group_description` cgd ON (cg.`customer_group_id` = cgd.`customer_group_id`) WHERE cgd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY cg.`sort_order` ASC, cgd.`name` ASC");
+
+		return $query->rows;
+	}
+}

catalog/model/account/download.php

@@ -0,0 +1,95 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Download
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Download extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $download_id
+	 *
+	 * @return array
+	 */
+	public function getDownload(int $download_id): array {
+		$implode = [];
+
+		$order_statuses = (array)$this->config->get('config_complete_status');
+
+		foreach ($order_statuses as $order_status_id) {
+			$implode[] = "o.`order_status_id` = '" . (int)$order_status_id . "'";
+		}
+
+		if ($implode) {
+			$query = $this->db->query("SELECT d.`filename`, d.`mask` FROM `" . DB_PREFIX . "order` o LEFT JOIN `" . DB_PREFIX . "order_product` op ON (o.`order_id` = op.`order_id`) LEFT JOIN `" . DB_PREFIX . "product_to_download` p2d ON (op.`product_id` = p2d.`product_id`) LEFT JOIN `" . DB_PREFIX . "download` d ON (p2d.`download_id` = d.`download_id`) WHERE o.`customer_id` = '" . (int)$this->customer->getId() . "' AND (" . implode(" OR ", $implode) . ") AND d.`download_id` = '" . (int)$download_id . "'");
+
+			return $query->row;
+		}
+
+		return [];
+	}
+
+	/**
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getDownloads(int $start = 0, int $limit = 20): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 20;
+		}
+
+		$implode = [];
+
+		$order_statuses = (array)$this->config->get('config_complete_status');
+
+		foreach ($order_statuses as $order_status_id) {
+			$implode[] = "o.`order_status_id` = '" . (int)$order_status_id . "'";
+		}
+
+		if ($implode) {
+			$query = $this->db->query("SELECT DISTINCT d.`download_id`, o.`order_id`, o.`date_added`, dd.`name`, d.`filename` FROM `" . DB_PREFIX . "order` o LEFT JOIN `" . DB_PREFIX . "order_product` op ON (o.`order_id` = op.`order_id`) LEFT JOIN `" . DB_PREFIX . "product_to_download` p2d ON (op.`product_id` = p2d.`product_id`) LEFT JOIN `" . DB_PREFIX . "download` d ON (p2d.`download_id` = d.`download_id`) LEFT JOIN `" . DB_PREFIX . "download_description` dd ON (d.`download_id` = dd.`download_id`) WHERE o.`customer_id` = '" . (int)$this->customer->getId() . "' AND o.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND (" . implode(" OR ", $implode) . ") AND dd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY dd.`name` ASC LIMIT " . (int)$start . "," . (int)$limit);
+
+			return $query->rows;
+		}
+
+		return [];
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalDownloads(): int {
+		$implode = [];
+
+		$order_statuses = (array)$this->config->get('config_complete_status');
+
+		foreach ($order_statuses as $order_status_id) {
+			$implode[] = "o.`order_status_id` = '" . (int)$order_status_id . "'";
+		}
+
+		if ($implode) {
+			$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order` o LEFT JOIN `" . DB_PREFIX . "order_product` op ON (o.`order_id` = op.`order_id`) LEFT JOIN `" . DB_PREFIX . "product_to_download` p2d ON (op.`product_id` = p2d.`product_id`) WHERE o.`customer_id` = '" . (int)$this->customer->getId() . "' AND o.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND (" . implode(" OR ", $implode) . ") AND p2d.`download_id` > 0");
+
+			return $query->row['total'];
+		}
+
+		return 0;
+	}
+
+	/**
+	 * @param int    $download_id
+	 * @param string $ip
+	 * @param string $country
+	 *
+	 * @return void
+	 */
+	public function addReport(int $download_id, string $ip, string $country = ''): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "download_report` SET `download_id` = '" . (int)$download_id . "', `store_id` = '" . (int)$this->config->get('config_store_id') . "', `ip` = '" . $this->db->escape($ip) . "', `country` = '" . $this->db->escape($country) . "', `date_added` = NOW()");
+	}
+}

catalog/model/account/gdpr.php

@@ -0,0 +1,71 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Gdpr
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Gdpr extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $code
+	 * @param string $email
+	 * @param string $action
+	 *
+	 * @return void
+	 */
+	public function addGdpr(string $code, string $email, string $action): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "gdpr` SET `store_id` = '" . $this->db->escape($this->config->get('config_store_id')) . "', `language_id` = '" . $this->db->escape($this->config->get('config_language_id')) . "', `code` = '" . $this->db->escape($code) . "', `email` = '" . $this->db->escape($email) . "', `action` = '" . $this->db->escape($action) . "', `date_added` = NOW()");
+	}
+
+	/**
+	 * @param int $gdpr_id
+	 * @param int $status
+	 *
+	 * @return void
+	 */
+	public function editStatus(int $gdpr_id, int $status): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "gdpr` SET `status` = '" . (int)$status . "' WHERE `gdpr_id` = '" . (int)$gdpr_id . "'");
+	}
+
+	/**
+	 * @param int $gdpr_id
+	 *
+	 * @return array
+	 */
+	public function getGdpr(int $gdpr_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "gdpr` WHERE `gdpr_id` = '" . (int)$gdpr_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getGdprByCode(string $code): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "gdpr` WHERE `code` = '" . $this->db->escape($code) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $email
+	 *
+	 * @return array
+	 */
+	public function getGdprsByEmail(string $email): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "gdpr` WHERE `email` = '" . $this->db->escape($email) . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getExpires(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "gdpr` WHERE `status` = '2' AND DATE(`date_added`) <= DATE('" . $this->db->escape(date('Y-m-d', strtotime('+' . (int)$this->config->get('config_gdpr_limit') . ' days'))) . "') ORDER BY `date_added` DESC");
+
+		return $query->rows;
+	}
+}

catalog/model/account/order.php

@@ -0,0 +1,318 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Order
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Order extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getOrder(int $order_id): array {
+		$order_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order` WHERE `order_id` = '" . (int)$order_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "' AND `customer_id` != '0' AND `order_status_id` > '0'");
+
+		if ($order_query->num_rows) {
+			$country_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "country` WHERE `country_id` = '" . (int)$order_query->row['payment_country_id'] . "'");
+
+			if ($country_query->num_rows) {
+				$payment_iso_code_2 = $country_query->row['iso_code_2'];
+				$payment_iso_code_3 = $country_query->row['iso_code_3'];
+			} else {
+				$payment_iso_code_2 = '';
+				$payment_iso_code_3 = '';
+			}
+
+			$zone_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "zone` WHERE `zone_id` = '" . (int)$order_query->row['payment_zone_id'] . "'");
+
+			if ($zone_query->num_rows) {
+				$payment_zone_code = $zone_query->row['code'];
+			} else {
+				$payment_zone_code = '';
+			}
+
+			$country_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "country` WHERE country_id = '" . (int)$order_query->row['shipping_country_id'] . "'");
+
+			if ($country_query->num_rows) {
+				$shipping_iso_code_2 = $country_query->row['iso_code_2'];
+				$shipping_iso_code_3 = $country_query->row['iso_code_3'];
+			} else {
+				$shipping_iso_code_2 = '';
+				$shipping_iso_code_3 = '';
+			}
+
+			$zone_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "zone` WHERE `zone_id` = '" . (int)$order_query->row['shipping_zone_id'] . "'");
+
+			if ($zone_query->num_rows) {
+				$shipping_zone_code = $zone_query->row['code'];
+			} else {
+				$shipping_zone_code = '';
+			}
+
+			return [
+				'order_id'                => $order_query->row['order_id'],
+				'invoice_no'              => $order_query->row['invoice_no'],
+				'invoice_prefix'          => $order_query->row['invoice_prefix'],
+				'store_id'                => $order_query->row['store_id'],
+				'store_name'              => $order_query->row['store_name'],
+				'store_url'               => $order_query->row['store_url'],
+				'customer_id'             => $order_query->row['customer_id'],
+				'firstname'               => $order_query->row['firstname'],
+				'lastname'                => $order_query->row['lastname'],
+				'telephone'               => $order_query->row['telephone'],
+				'email'                   => $order_query->row['email'],
+				'payment_firstname'       => $order_query->row['payment_firstname'],
+				'payment_lastname'        => $order_query->row['payment_lastname'],
+				'payment_company'         => $order_query->row['payment_company'],
+				'payment_address_1'       => $order_query->row['payment_address_1'],
+				'payment_address_2'       => $order_query->row['payment_address_2'],
+				'payment_postcode'        => $order_query->row['payment_postcode'],
+				'payment_city'            => $order_query->row['payment_city'],
+				'payment_zone_id'         => $order_query->row['payment_zone_id'],
+				'payment_zone'            => $order_query->row['payment_zone'],
+				'payment_zone_code'       => $payment_zone_code,
+				'payment_country_id'      => $order_query->row['payment_country_id'],
+				'payment_country'         => $order_query->row['payment_country'],
+				'payment_iso_code_2'      => $payment_iso_code_2,
+				'payment_iso_code_3'      => $payment_iso_code_3,
+				'payment_address_format'  => $order_query->row['payment_address_format'],
+				'payment_method'          => $order_query->row['payment_method'] ? json_decode($order_query->row['payment_method'], true) : '',
+				'shipping_firstname'      => $order_query->row['shipping_firstname'],
+				'shipping_lastname'       => $order_query->row['shipping_lastname'],
+				'shipping_company'        => $order_query->row['shipping_company'],
+				'shipping_address_1'      => $order_query->row['shipping_address_1'],
+				'shipping_address_2'      => $order_query->row['shipping_address_2'],
+				'shipping_postcode'       => $order_query->row['shipping_postcode'],
+				'shipping_city'           => $order_query->row['shipping_city'],
+				'shipping_zone_id'        => $order_query->row['shipping_zone_id'],
+				'shipping_zone'           => $order_query->row['shipping_zone'],
+				'shipping_zone_code'      => $shipping_zone_code,
+				'shipping_country_id'     => $order_query->row['shipping_country_id'],
+				'shipping_country'        => $order_query->row['shipping_country'],
+				'shipping_iso_code_2'     => $shipping_iso_code_2,
+				'shipping_iso_code_3'     => $shipping_iso_code_3,
+				'shipping_address_format' => $order_query->row['shipping_address_format'],
+				'shipping_method'         => $order_query->row['shipping_method'] ? json_decode($order_query->row['shipping_method'], true) : '',
+				'comment'                 => $order_query->row['comment'],
+				'total'                   => $order_query->row['total'],
+				'order_status_id'         => $order_query->row['order_status_id'],
+				'language_id'             => $order_query->row['language_id'],
+				'currency_id'             => $order_query->row['currency_id'],
+				'currency_code'           => $order_query->row['currency_code'],
+				'currency_value'          => $order_query->row['currency_value'],
+				'date_modified'           => $order_query->row['date_modified'],
+				'date_added'              => $order_query->row['date_added'],
+				'ip'                      => $order_query->row['ip']
+			];
+		} else {
+			return [];
+		}
+	}
+
+	/**
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getOrders(int $start = 0, int $limit = 20): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 1;
+		}
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `order_status_id` > '0' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "' ORDER BY `order_id` DESC LIMIT " . (int)$start . "," . (int)$limit);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $subscription_id
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getOrdersBySubscriptionId(int $subscription_id, int $start = 0, int $limit = 20): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 1;
+		}
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order` WHERE `subscription_id` = '" . (int)$subscription_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "' AND `order_status_id` > '0' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "' ORDER BY `order_id` DESC LIMIT " . (int)$start . "," . (int)$limit);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $subscription_id
+	 *
+	 * @return int
+	 */
+	public function getTotalOrdersBySubscriptionId(int $subscription_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order` WHERE `subscription_id` = '" . (int)$subscription_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getProduct(int $order_id, int $order_product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getProducts(int $order_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getOptions(int $order_id, int $order_product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_option` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getSubscription(int $order_id, int $order_product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_subscription` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getVouchers(int $order_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_voucher` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getTotals(int $order_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_total` WHERE `order_id` = '" . (int)$order_id . "' ORDER BY `sort_order`");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getHistories(int $order_id): array {
+		$query = $this->db->query("SELECT `date_added`, os.`name` AS status, oh.`comment`, oh.`notify` FROM `" . DB_PREFIX . "order_history` oh LEFT JOIN `" . DB_PREFIX . "order_status` os ON oh.`order_status_id` = os.`order_status_id` WHERE oh.`order_id` = '" . (int)$order_id . "' AND os.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY oh.`date_added`");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return int
+	 */
+	public function getTotalHistories(int $order_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order_history` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalOrders(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order` o WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND o.`order_status_id` > '0' AND o.`store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return int
+	 */
+	public function getTotalOrdersByProductId(int $product_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order_product` op LEFT JOIN `" . DB_PREFIX . "order` o ON (op.`order_id` = o.`order_id`) WHERE o.`customer_id` = '" . (int)$this->customer->getId() . "' AND op.`product_id` = '" . (int)$product_id . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return int
+	 */
+	public function getTotalProductsByOrderId(int $order_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return int
+	 */
+	public function getTotalVouchersByOrderId(int $order_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "order_voucher` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+}

catalog/model/account/payment_method.php

@@ -0,0 +1,66 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class PaymentMethod
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class PaymentMethod extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function addPaymentMethod(array $data): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_payment` SET 
+		`customer_id` = '" . (int)$this->customer->getId() . "', 
+		`name` = '" . (int)$this->customer->getId() . "', 
+		`image` = '" . $this->db->escape($data['image']) . "', 
+		`type` = '" . $this->db->escape($data['type']) . "', 
+		`extension` = '" . $this->db->escape($data['extension']) . "', 
+		`code` = '" . $this->db->escape($data['code']) . "', 
+		`token` = '" . $this->db->escape($data['token']) . "', 
+		`date_expire` = '" . $this->db->escape($data['date_expire']) . "', `default` = '" . (bool)$data['default'] . "', `status` = '1', `date_added` = NOW()");
+	}
+
+	/**
+	 * @param int $customer_payment_id
+	 *
+	 * @return void
+	 */
+	public function deletePaymentMethod(int $customer_payment_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_payment` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `customer_payment_id` = '" . (int)$customer_payment_id . "'");
+	}
+
+	/**
+	 * @param int $customer_id
+	 * @param int $customer_payment_id
+	 *
+	 * @return array
+	 */
+	public function getPaymentMethod(int $customer_id, int $customer_payment_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_payment` WHERE `customer_id` = '" . (int)$customer_id . "' AND `customer_payment_id` = '" . (int)$customer_payment_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $customer_id
+	 *
+	 * @return array
+	 */
+	public function getPaymentMethods(int $customer_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_payment` WHERE `customer_id` = '" . (int)$customer_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalPaymentMethods(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer_payment` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/account/returns.php

@@ -0,0 +1,70 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Returns
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Returns extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addReturn(array $data): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "return` SET `order_id` = '" . (int)$data['order_id'] . "', `product_id` = '" . (int)$data['product_id'] . "', `customer_id` = '" . (int)$this->customer->getId() . "', `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `email` = '" . $this->db->escape((string)$data['email']) . "', `telephone` = '" . $this->db->escape((string)$data['telephone']) . "', `product` = '" . $this->db->escape((string)$data['product']) . "', `model` = '" . $this->db->escape((string)$data['model']) . "', `quantity` = '" . (int)$data['quantity'] . "', `opened` = '" . (int)$data['opened'] . "', `return_reason_id` = '" . (int)$data['return_reason_id'] . "', `return_status_id` = '" . (int)$this->config->get('config_return_status_id') . "', `comment` = '" . $this->db->escape((string)$data['comment']) . "', `date_ordered` = '" . $this->db->escape((string)$data['date_ordered']) . "', `date_added` = NOW(), `date_modified` = NOW()");
+
+		return $this->db->getLastId();
+	}
+
+	/**
+	 * @param int $return_id
+	 *
+	 * @return array
+	 */
+	public function getReturn(int $return_id): array {
+		$query = $this->db->query("SELECT r.`return_id`, r.`order_id`, r.`firstname`, r.`lastname`, r.`email`, r.`telephone`, r.`product`, r.`model`, r.`quantity`, r.`opened`, (SELECT rr.`name` FROM `" . DB_PREFIX . "return_reason` rr WHERE rr.`return_reason_id` = r.`return_reason_id` AND rr.`language_id` = '" . (int)$this->config->get('config_language_id') . "') AS reason, (SELECT ra.`name` FROM `" . DB_PREFIX . "return_action` ra WHERE ra.`return_action_id` = r.`return_action_id` AND ra.`language_id` = '" . (int)$this->config->get('config_language_id') . "') AS action, (SELECT rs.`name` FROM `" . DB_PREFIX . "return_status` rs WHERE rs.`return_status_id` = r.`return_status_id` AND rs.`language_id` = '" . (int)$this->config->get('config_language_id') . "') AS status, r.`comment`, r.`date_ordered`, r.`date_added`, r.`date_modified` FROM `" . DB_PREFIX . "return` r WHERE r.`return_id` = '" . (int)$return_id . "' AND r.`customer_id` = '" . $this->customer->getId() . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getReturns(int $start = 0, int $limit = 20): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 20;
+		}
+
+		$query = $this->db->query("SELECT r.`return_id`, r.`order_id`, r.`firstname`, r.`lastname`, rs.`name` AS status, r.`date_added` FROM `" . DB_PREFIX . "return` r LEFT JOIN `" . DB_PREFIX . "return_status` rs ON (r.`return_status_id` = rs.`return_status_id`) WHERE r.`customer_id` = '" . (int)$this->customer->getId() . "' AND rs.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY r.`return_id` DESC LIMIT " . (int)$start . "," . (int)$limit);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalReturns(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "return` WHERE `customer_id` = '" . $this->customer->getId() . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $return_id
+	 *
+	 * @return array
+	 */
+	public function getHistories(int $return_id): array {
+		$query = $this->db->query("SELECT rh.`date_added`, rs.`name` AS status, rh.`comment` FROM `" . DB_PREFIX . "return_history` rh LEFT JOIN `" . DB_PREFIX . "return_status` rs ON (rh.`return_status_id` = rs.`return_status_id`) WHERE rh.`return_id` = '" . (int)$return_id . "' AND rs.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY rh.`date_added` ASC");
+
+		return $query->rows;
+	}
+}

catalog/model/account/reward.php

@@ -0,0 +1,73 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Reward
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Reward extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getRewards(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "customer_reward` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'";
+
+		$sort_data = [
+			'points',
+			'description',
+			'date_added'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			$sql .= " ORDER BY `" . $data['sort'] . "`";
+		} else {
+			$sql .= " ORDER BY `date_added`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$query = $this->db->query($sql);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalRewards(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer_reward` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalPoints(): int {
+		$query = $this->db->query("SELECT SUM(`points`) AS `total` FROM `" . DB_PREFIX . "customer_reward` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' GROUP BY `customer_id`");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+}

catalog/model/account/search.php

@@ -0,0 +1,17 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Search
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Search extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function addSearch(array $data): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_search` SET `store_id` = '" . (int)$this->config->get('config_store_id') . "', `language_id` = '" . (int)$this->config->get('config_language_id') . "', `customer_id` = '" . (int)$data['customer_id'] . "', `keyword` = '" . $this->db->escape((string)$data['keyword']) . "', `category_id` = '" . (int)$data['category_id'] . "', `sub_category` = '" . (int)$data['sub_category'] . "', `description` = '" . (int)$data['description'] . "', `products` = '" . (int)$data['products'] . "', `ip` = '" . $this->db->escape((string)$data['ip']) . "', `date_added` = NOW()");
+	}
+}

catalog/model/account/subscription.php

@@ -0,0 +1,136 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Subscription
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Subscription extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $subscription_id
+	 *
+	 * @return array
+	 */
+	public function getSubscription(int $subscription_id): array {
+		$subscription_data = [];
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "subscription` `s` WHERE `subscription_id` = '" . (int)$subscription_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		if ($query->num_rows) {
+			$subscription_data = $query->row;
+
+			$subscription_data['payment_method'] = ($query->row['payment_method'] ? json_decode($query->row['payment_method'], true) : '');
+			$subscription_data['shipping_method'] = ($query->row['shipping_method'] ? json_decode($query->row['shipping_method'], true) : '');
+		}
+
+		return $subscription_data;
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getSubscriptionByOrderProductId(int $order_id, int $order_product_id): array {
+		$subscription_data = [];
+
+		$query = $this->db->query("SELECT * FROM  `" . DB_PREFIX . "subscription` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "' AND `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		if ($query->num_rows) {
+			$subscription_data = $query->row;
+
+			$subscription_data['payment_method'] = ($query->row['payment_method'] ? json_decode($query->row['payment_method'], true) : '');
+			$subscription_data['shipping_method'] = ($query->row['shipping_method'] ? json_decode($query->row['shipping_method'], true) : '');
+		}
+
+		return $subscription_data;
+	}
+
+	/**
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getSubscriptions(int $start = 0, int $limit = 20): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 1;
+		}
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "subscription` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `subscription_status_id` > '0' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "' ORDER BY `subscription_id` DESC LIMIT " . (int)$start . "," . (int)$limit);
+
+		return $query->rows;
+    }
+
+	/**
+	 * @return int
+	 */
+	public function getTotalSubscriptions(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "subscription` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `subscription_status_id` > '0' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+    }
+
+	/**
+	 * @param int $address_id
+	 *
+	 * @return int
+	 */
+	public function getTotalSubscriptionByShippingAddressId(int $address_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "subscription` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `shipping_address_id` = '" . (int)$address_id . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $address_id
+	 *
+	 * @return int
+	 */
+	public function getTotalSubscriptionByPaymentAddressId(int $address_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "subscription` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `payment_address_id` = '" . (int)$address_id . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $subscription_id
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getHistories(int $subscription_id, int $start = 0, int $limit = 10): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 10;
+		}
+
+		$query = $this->db->query("SELECT sh.`date_added`, ss.`name` AS status, sh.`comment`, sh.`notify` FROM `" . DB_PREFIX . "subscription_history` `sh` LEFT JOIN `" . DB_PREFIX . "subscription_status` `ss` ON `sh`.`subscription_status_id` = ss.`subscription_status_id` WHERE sh.`subscription_id` = '" . (int)$subscription_id . "' AND ss.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY sh.`date_added` DESC LIMIT " . (int)$start . "," . (int)$limit);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $subscription_id
+	 *
+	 * @return int
+	 */
+	public function getTotalHistories(int $subscription_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "subscription_history` WHERE `subscription_id` = '" . (int)$subscription_id . "'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/account/transaction.php

@@ -0,0 +1,73 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Transaction
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Transaction extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getTransactions(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "customer_transaction` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'";
+
+		$sort_data = [
+			'amount',
+			'description',
+			'date_added'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			$sql .= " ORDER BY `" . $data['sort'] . "`";
+		} else {
+			$sql .= " ORDER BY `date_added`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$query = $this->db->query($sql);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalTransactions(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer_transaction` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalAmount(): int {
+		$query = $this->db->query("SELECT SUM(`amount`) AS `total` FROM `" . DB_PREFIX . "customer_transaction` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' GROUP BY `customer_id`");
+
+		if ($query->num_rows) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+}

catalog/model/account/wishlist.php

@@ -0,0 +1,46 @@
+<?php
+namespace Opencart\Catalog\Model\Account;
+/**
+ * Class Wishlist
+ *
+ * @package Opencart\Catalog\Model\Account
+ */
+class Wishlist extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $product_id
+	 *
+	 * @return void
+	 */
+	public function addWishlist(int $product_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_wishlist` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `product_id` = '" . (int)$product_id . "'");
+
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "customer_wishlist` SET `customer_id` = '" . (int)$this->customer->getId() . "', `product_id` = '" . (int)$product_id . "', `date_added` = NOW()");
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return void
+	 */
+	public function deleteWishlist(int $product_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_wishlist` WHERE `customer_id` = '" . (int)$this->customer->getId() . "' AND `product_id` = '" . (int)$product_id . "'");
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getWishlist(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "customer_wishlist` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalWishlist(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "customer_wishlist` WHERE `customer_id` = '" . (int)$this->customer->getId() . "'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/catalog/category.php

@@ -0,0 +1,89 @@
+<?php
+namespace Opencart\Catalog\Model\Catalog;
+/**
+ * Class Category
+ *
+ * @package Opencart\Catalog\Model\Catalog
+ */
+class Category extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $category_id
+	 *
+	 * @return array
+	 */
+	public function getCategory(int $category_id): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "category` c LEFT JOIN `" . DB_PREFIX . "category_description` cd ON (c.`category_id` = cd.`category_id`) LEFT JOIN `" . DB_PREFIX . "category_to_store` c2s ON (c.`category_id` = c2s.`category_id`) WHERE c.`category_id` = '" . (int)$category_id . "' AND cd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND c2s.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND c.`status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $parent_id
+	 *
+	 * @return array
+	 */
+	public function getCategories(int $parent_id = 0): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "category` c LEFT JOIN `" . DB_PREFIX . "category_description` cd ON (c.`category_id` = cd.`category_id`) LEFT JOIN `" . DB_PREFIX . "category_to_store` c2s ON (c.`category_id` = c2s.`category_id`) WHERE c.`parent_id` = '" . (int)$parent_id . "' AND cd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND c2s.`store_id` = '" . (int)$this->config->get('config_store_id') . "'  AND c.`status` = '1' ORDER BY c.`sort_order`, LCASE(cd.`name`)");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $category_id
+	 *
+	 * @return array
+	 */
+	public function getFilters(int $category_id): array {
+		$implode = [];
+
+		$query = $this->db->query("SELECT `filter_id` FROM `" . DB_PREFIX . "category_filter` WHERE `category_id` = '" . (int)$category_id . "'");
+
+		foreach ($query->rows as $result) {
+			$implode[] = (int)$result['filter_id'];
+		}
+
+		$filter_group_data = [];
+
+		if ($implode) {
+			$filter_group_query = $this->db->query("SELECT DISTINCT f.`filter_group_id`, fgd.`name`, fg.`sort_order` FROM `" . DB_PREFIX . "filter` f LEFT JOIN `" . DB_PREFIX . "filter_group` fg ON (f.`filter_group_id` = fg.`filter_group_id`) LEFT JOIN `" . DB_PREFIX . "filter_group_description` fgd ON (fg.`filter_group_id` = fgd.`filter_group_id`) WHERE f.`filter_id` IN (" . implode(',', $implode) . ") AND fgd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' GROUP BY f.`filter_group_id` ORDER BY fg.`sort_order`, LCASE(fgd.`name`)");
+
+			foreach ($filter_group_query->rows as $filter_group) {
+				$filter_data = [];
+
+				$filter_query = $this->db->query("SELECT DISTINCT f.`filter_id`, fd.`name` FROM `" . DB_PREFIX . "filter` f LEFT JOIN `" . DB_PREFIX . "filter_description` fd ON (f.`filter_id` = fd.`filter_id`) WHERE f.`filter_id` IN (" . implode(',', $implode) . ") AND f.`filter_group_id` = '" . (int)$filter_group['filter_group_id'] . "' AND fd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY f.`sort_order`, LCASE(fd.`name`)");
+
+				foreach ($filter_query->rows as $filter) {
+					$filter_data[] = [
+						'filter_id' => $filter['filter_id'],
+						'name'      => $filter['name']
+					];
+				}
+
+				if ($filter_data) {
+					$filter_group_data[] = [
+						'filter_group_id' => $filter_group['filter_group_id'],
+						'name'            => $filter_group['name'],
+						'filter'          => $filter_data
+					];
+				}
+			}
+		}
+
+		return $filter_group_data;
+	}
+
+	/**
+	 * @param $category_id
+	 *
+	 * @return int
+	 */
+	public function getLayoutId($category_id): int {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "category_to_layout` WHERE `category_id` = '" . (int)$category_id . "' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['layout_id'];
+		} else {
+			return 0;
+		}
+	}
+}

catalog/model/catalog/information.php

@@ -0,0 +1,43 @@
+<?php
+namespace Opencart\Catalog\Model\Catalog;
+/**
+ * Class Information
+ *
+ * @package Opencart\Catalog\Model\Catalog
+ */
+class Information extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $information_id
+	 *
+	 * @return array
+	 */
+	public function getInformation(int $information_id): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "information` i LEFT JOIN `" . DB_PREFIX . "information_description` id ON (i.`information_id` = id.`information_id`) LEFT JOIN `" . DB_PREFIX . "information_to_store` i2s ON (i.`information_id` = i2s.`information_id`) WHERE i.`information_id` = '" . (int)$information_id . "' AND id.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND i2s.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND i.`status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getInformations(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "information` i LEFT JOIN `" . DB_PREFIX . "information_description` id ON (i.`information_id` = id.`information_id`) LEFT JOIN `" . DB_PREFIX . "information_to_store` i2s ON (i.`information_id` = i2s.`information_id`) WHERE id.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND i2s.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND i.`status` = '1' ORDER BY i.`sort_order`, LCASE(id.`title`) ASC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $information_id
+	 *
+	 * @return int
+	 */
+	public function getLayoutId(int $information_id): int {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "information_to_layout` WHERE `information_id` = '" . (int)$information_id . "' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['layout_id'];
+		} else {
+			return 0;
+		}
+	}
+}

catalog/model/catalog/manufacturer.php

@@ -0,0 +1,84 @@
+<?php
+namespace Opencart\Catalog\Model\Catalog;
+/**
+ * Class Manufacturer
+ *
+ * @package Opencart\Catalog\Model\Catalog
+ */
+class Manufacturer extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $manufacturer_id
+	 *
+	 * @return array
+	 */
+	public function getManufacturer(int $manufacturer_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "manufacturer` m LEFT JOIN `" . DB_PREFIX . "manufacturer_to_store` m2s ON (m.`manufacturer_id` = m2s.`manufacturer_id`) WHERE m.`manufacturer_id` = '" . (int)$manufacturer_id . "' AND m2s.`store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getManufacturers(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "manufacturer` m LEFT JOIN `" . DB_PREFIX . "manufacturer_to_store` m2s ON (m.`manufacturer_id` = m2s.`manufacturer_id`) WHERE m2s.`store_id` = '" . (int)$this->config->get('config_store_id') . "'";
+
+		$sort_data = [
+			'name',
+			'sort_order'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			$sql .= " ORDER BY `" . $data['sort'] . "`";
+		} else {
+			$sql .= " ORDER BY `name`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$manufacturer_data = $this->cache->get('manufacturer.' . md5($sql));
+
+		if (!$manufacturer_data) {
+			$query = $this->db->query($sql);
+
+			$manufacturer_data = $query->rows;
+
+			$this->cache->set('manufacturer.' . md5($sql), $manufacturer_data);
+		}
+
+		return $manufacturer_data;
+	}
+
+	/**
+	 * @param int $manufacturer_id
+	 *
+	 * @return int
+	 */
+	public function getLayoutId(int $manufacturer_id): int {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "manufacturer_to_layout` WHERE `manufacturer_id` = '" . (int)$manufacturer_id . "' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['layout_id'];
+		} else {
+			return 0;
+		}
+	}
+}

catalog/model/catalog/product.php

@@ -0,0 +1,572 @@
+<?php
+namespace Opencart\Catalog\Model\Catalog;
+/**
+ * Class Product
+ *
+ * @package Opencart\Catalog\Model\Catalog
+ */
+class Product extends \Opencart\System\Engine\Model {
+	/**
+	 * @var array
+	 */
+	protected array $statement = [];
+
+	/**
+	 * @param \Opencart\System\Engine\Registry $registry
+	 */
+	public function __construct(\Opencart\System\Engine\Registry $registry) {
+		$this->registry = $registry;
+
+		// Storing some sub queries so that we are not typing them out multiple times.
+		$this->statement['discount'] = "(SELECT `pd2`.`price` FROM `" . DB_PREFIX . "product_discount` `pd2` WHERE `pd2`.`product_id` = `p`.`product_id` AND `pd2`.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "'AND `pd2`.`quantity` = '1' AND ((`pd2`.`date_start` = '0000-00-00' OR `pd2`.`date_start` < NOW()) AND (`pd2`.`date_end` = '0000-00-00' OR `pd2`.`date_end` > NOW())) ORDER BY `pd2`.`priority` ASC, `pd2`.`price` ASC LIMIT 1) AS `discount`";
+		$this->statement['special'] = "(SELECT `ps`.`price` FROM `" . DB_PREFIX . "product_special` `ps` WHERE `ps`.`product_id` = `p`.`product_id` AND `ps`.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "' AND ((`ps`.`date_start` = '0000-00-00' OR `ps`.`date_start` < NOW()) AND (`ps`.`date_end` = '0000-00-00' OR `ps`.`date_end` > NOW())) ORDER BY `ps`.`priority` ASC, `ps`.`price` ASC LIMIT 1) AS `special`";
+		$this->statement['reward'] = "(SELECT `pr`.`points` FROM `" . DB_PREFIX . "product_reward` `pr` WHERE `pr`.`product_id` = `p`.`product_id` AND `pr`.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "') AS `reward`";
+		$this->statement['review'] = "(SELECT COUNT(*) FROM `" . DB_PREFIX . "review` `r` WHERE `r`.`product_id` = `p`.`product_id` AND `r`.`status` = '1' GROUP BY `r`.`product_id`) AS `reviews`";
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getProduct(int $product_id): array {
+		$query = $this->db->query("SELECT DISTINCT *, pd.`name`, `p`.`image`, " . $this->statement['discount'] . ", " . $this->statement['special'] . ", " . $this->statement['reward'] . ", " . $this->statement['review']  . " FROM `" . DB_PREFIX . "product_to_store` `p2s` LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `p2s`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW()) LEFT JOIN `" . DB_PREFIX . "product_description` `pd` ON (`p`.`product_id` = `pd`.`product_id`) WHERE `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `p2s`.`product_id` = '" . (int)$product_id . "' AND `pd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		if ($query->num_rows) {
+			$product_data = $query->row;
+
+			$product_data['variant'] = (array)json_decode($query->row['variant'], true);
+			$product_data['override'] = (array)json_decode($query->row['override'], true);
+			$product_data['price'] = (float)($query->row['discount'] ? $query->row['discount'] : $query->row['price']);
+			$product_data['rating'] = (int)$query->row['rating'];
+			$product_data['reviews'] = (int)$query->row['reviews'] ? $query->row['reviews'] : 0;
+
+			return $product_data;
+		} else {
+			return [];
+		}
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getProducts(array $data = []): array {
+		$sql = "SELECT DISTINCT *, pd.`name`, `p`.`image`, " . $this->statement['discount'] . ", " . $this->statement['special'] . ", " . $this->statement['reward'] . ", " . $this->statement['review'];
+
+		if (!empty($data['filter_category_id'])) {
+			$sql .= " FROM `" . DB_PREFIX . "category_to_store` `c2s`";
+
+			if (!empty($data['filter_sub_category'])) {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "category_path` `cp` ON (`cp`.`category_id` = `c2s`.`category_id` AND `c2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "') LEFT JOIN `" . DB_PREFIX . "product_to_category` `p2c` ON (`p2c`.`category_id` = `cp`.`category_id`)";
+			} else {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "product_to_category` `p2c` ON (`p2c`.`category_id` = `c2s`.`category_id` AND `c2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "')";
+			}
+
+			$sql .= " LEFT JOIN `" . DB_PREFIX . "product_to_store` `p2s` ON (`p2s`.`product_id` = `p2c`.`product_id` AND `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "')";
+
+			if (!empty($data['filter_filter'])) {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "product_filter` `pf` ON (`pf`.`product_id` = `p2s`.`product_id`) LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `pf`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW())";
+			} else {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `p2s`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW())";
+			}
+		} else {
+			$sql .= " FROM `" . DB_PREFIX . "product_to_store` `p2s` LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `p2s`.`product_id` AND `p`.`status` = '1' AND `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `p`.`date_available` <= NOW())";
+		}
+
+		$sql .= " LEFT JOIN `" . DB_PREFIX . "product_description` `pd` ON (`p`.`product_id` = `pd`.`product_id`) WHERE `pd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "'";
+
+		if (!empty($data['filter_category_id'])) {
+			if (!empty($data['filter_sub_category'])) {
+				$sql .= " AND `cp`.`path_id` = '" . (int)$data['filter_category_id'] . "'";
+			} else {
+				$sql .= " AND `p2c`.`category_id` = '" . (int)$data['filter_category_id'] . "'";
+			}
+
+			if (!empty($data['filter_filter'])) {
+				$implode = [];
+
+				$filters = explode(',', $data['filter_filter']);
+
+				foreach ($filters as $filter_id) {
+					$implode[] = (int)$filter_id;
+				}
+
+				$sql .= " AND `pf`.`filter_id` IN (" . implode(',', $implode) . ")";
+			}
+		}
+
+		if (!empty($data['filter_search']) || !empty($data['filter_tag'])) {
+			$sql .= " AND (";
+
+			if (!empty($data['filter_search'])) {
+				$implode = [];
+
+				$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_search'])));
+
+				foreach ($words as $word) {
+					$implode[] = "`pd`.`name` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+				}
+
+				if ($implode) {
+					$sql .= " (" . implode(" OR ", $implode) . ")";
+				}
+
+				if (!empty($data['filter_description'])) {
+					$sql .= " OR `pd`.`description` LIKE '" . $this->db->escape('%' . (string)$data['filter_search'] . '%') . "'";
+				}
+			}
+
+			if (!empty($data['filter_search']) && !empty($data['filter_tag'])) {
+				$sql .= " OR ";
+			}
+
+			if (!empty($data['filter_tag'])) {
+				$implode = [];
+
+				$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_tag'])));
+
+				foreach ($words as $word) {
+					$implode[] = "`pd`.`tag` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+				}
+
+				if ($implode) {
+					$sql .= " (" . implode(" OR ", $implode) . ")";
+				}
+			}
+
+			if (!empty($data['filter_search'])) {
+				$sql .= " OR LCASE(`p`.`model`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`sku`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`upc`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`ean`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`jan`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`isbn`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`mpn`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+			}
+
+			$sql .= ")";
+		}
+
+		if (!empty($data['filter_manufacturer_id'])) {
+			$sql .= " AND `p`.`manufacturer_id` = '" . (int)$data['filter_manufacturer_id'] . "'";
+		}
+
+		$sort_data = [
+			'pd.name',
+			'p.model',
+			'p.quantity',
+			'p.price',
+			'rating',
+			'p.sort_order',
+			'p.date_added'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			if ($data['sort'] == 'pd.name' || $data['sort'] == 'p.model') {
+				$sql .= " ORDER BY LCASE(" . $data['sort'] . ")";
+			} elseif ($data['sort'] == 'p.price') {
+				$sql .= " ORDER BY (CASE WHEN `special` IS NOT NULL THEN `special` WHEN `discount` IS NOT NULL THEN `discount` ELSE p.`price` END)";
+			} else {
+				$sql .= " ORDER BY " . $data['sort'];
+			}
+		} else {
+			$sql .= " ORDER BY p.`sort_order`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC, LCASE(`pd`.`name`) DESC";
+		} else {
+			$sql .= " ASC, LCASE(`pd`.`name`) ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$product_data = (array)$this->cache->get('product.' . md5($sql));
+
+		if (!$product_data) {
+			$query = $this->db->query($sql);
+
+			$product_data = $query->rows;
+
+			$this->cache->set('product.' . md5($sql), $product_data);
+		}
+
+		return $product_data;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getCategories(int $product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_to_category` WHERE `product_id` = '" . (int)$product_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getAttributes(int $product_id): array {
+		$product_attribute_group_data = [];
+
+		$product_attribute_group_query = $this->db->query("SELECT ag.`attribute_group_id`, agd.`name` FROM `" . DB_PREFIX . "product_attribute` pa LEFT JOIN `" . DB_PREFIX . "attribute` a ON (pa.`attribute_id` = a.`attribute_id`) LEFT JOIN `" . DB_PREFIX . "attribute_group` ag ON (a.`attribute_group_id` = ag.`attribute_group_id`) LEFT JOIN `" . DB_PREFIX . "attribute_group_description` agd ON (ag.`attribute_group_id` = agd.`attribute_group_id`) WHERE pa.`product_id` = '" . (int)$product_id . "' AND agd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' GROUP BY ag.`attribute_group_id` ORDER BY ag.`sort_order`, agd.`name`");
+
+		foreach ($product_attribute_group_query->rows as $product_attribute_group) {
+			$product_attribute_data = [];
+
+			$product_attribute_query = $this->db->query("SELECT a.`attribute_id`, ad.`name`, pa.`text` FROM `" . DB_PREFIX . "product_attribute` pa LEFT JOIN `" . DB_PREFIX . "attribute` a ON (pa.`attribute_id` = a.`attribute_id`) LEFT JOIN `" . DB_PREFIX . "attribute_description` ad ON (a.`attribute_id` = ad.`attribute_id`) WHERE pa.`product_id` = '" . (int)$product_id . "' AND a.`attribute_group_id` = '" . (int)$product_attribute_group['attribute_group_id'] . "' AND ad.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND pa.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY a.`sort_order`, ad.`name`");
+
+			foreach ($product_attribute_query->rows as $product_attribute) {
+				$product_attribute_data[] = [
+					'attribute_id' => $product_attribute['attribute_id'],
+					'name'         => $product_attribute['name'],
+					'text'         => $product_attribute['text']
+				];
+			}
+
+			$product_attribute_group_data[] = [
+				'attribute_group_id' => $product_attribute_group['attribute_group_id'],
+				'name'               => $product_attribute_group['name'],
+				'attribute'          => $product_attribute_data
+			];
+		}
+
+		return $product_attribute_group_data;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getOptions(int $product_id): array {
+		$product_option_data = [];
+
+		$product_option_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_option` `po` LEFT JOIN `" . DB_PREFIX . "option` o ON (po.`option_id` = o.`option_id`) LEFT JOIN `" . DB_PREFIX . "option_description` od ON (o.`option_id` = od.`option_id`) WHERE po.`product_id` = '" . (int)$product_id . "' AND od.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY o.`sort_order`");
+
+		foreach ($product_option_query->rows as $product_option) {
+			$product_option_value_data = [];
+
+			$product_option_value_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_option_value` pov LEFT JOIN `" . DB_PREFIX . "option_value` ov ON (pov.`option_value_id` = ov.`option_value_id`) LEFT JOIN `" . DB_PREFIX . "option_value_description` ovd ON (ov.`option_value_id` = ovd.`option_value_id`) WHERE pov.`product_id` = '" . (int)$product_id . "' AND pov.`product_option_id` = '" . (int)$product_option['product_option_id'] . "' AND ovd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY ov.`sort_order`");
+
+			foreach ($product_option_value_query->rows as $product_option_value) {
+				$product_option_value_data[] = [
+					'product_option_value_id' => $product_option_value['product_option_value_id'],
+					'option_value_id'         => $product_option_value['option_value_id'],
+					'name'                    => $product_option_value['name'],
+					'image'                   => $product_option_value['image'],
+					'quantity'                => $product_option_value['quantity'],
+					'subtract'                => $product_option_value['subtract'],
+					'price'                   => $product_option_value['price'],
+					'price_prefix'            => $product_option_value['price_prefix'],
+					'weight'                  => $product_option_value['weight'],
+					'weight_prefix'           => $product_option_value['weight_prefix']
+				];
+			}
+
+			$product_option_data[] = [
+				'product_option_id'    => $product_option['product_option_id'],
+				'product_option_value' => $product_option_value_data,
+				'option_id'            => $product_option['option_id'],
+				'name'                 => $product_option['name'],
+				'type'                 => $product_option['type'],
+				'value'                => $product_option['value'],
+				'required'             => $product_option['required']
+			];
+		}
+
+		return $product_option_data;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getDiscounts(int $product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_discount` WHERE `product_id` = '" . (int)$product_id . "' AND `customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "' AND `quantity` > 1 AND ((`date_start` = '0000-00-00' OR `date_start` < NOW()) AND (`date_end` = '0000-00-00' OR `date_end` > NOW())) ORDER BY `quantity` ASC, `priority` ASC, `price` ASC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getImages(int $product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_image` WHERE `product_id` = '" . (int)$product_id . "' ORDER BY `sort_order` ASC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $product_id
+	 * @param int $subscription_plan_id
+	 *
+	 * @return array
+	 */
+	public function getSubscription(int $product_id, int $subscription_plan_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_subscription` ps LEFT JOIN `" . DB_PREFIX . "subscription_plan` sp ON (ps.`subscription_plan_id` = sp.`subscription_plan_id`) WHERE ps.`product_id` = '" . (int)$product_id . "' AND ps.`subscription_plan_id` = '" . (int)$subscription_plan_id . "' AND ps.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "' AND sp.`status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getSubscriptions(int $product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_subscription` ps LEFT JOIN `" . DB_PREFIX . "subscription_plan` sp ON (ps.`subscription_plan_id` = sp.`subscription_plan_id`) LEFT JOIN `" . DB_PREFIX . "subscription_plan_description` spd ON (sp.`subscription_plan_id` = spd.`subscription_plan_id`) WHERE ps.`product_id` = '" . (int)$product_id . "' AND ps.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "' AND spd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND sp.`status` = '1' ORDER BY sp.`sort_order` ASC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return int
+	 */
+	public function getLayoutId(int $product_id): int {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "product_to_layout` WHERE `product_id` = '" . (int)$product_id . "' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['layout_id'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return array
+	 */
+	public function getRelated(int $product_id): array {
+		$sql = "SELECT DISTINCT *, `pd`.`name` AS name, `p`.`image`, " . $this->statement['discount'] . ", " . $this->statement['special'] . ", " . $this->statement['reward'] . ", " . $this->statement['review'] . " FROM `" . DB_PREFIX . "product_related` `pr` LEFT JOIN `" . DB_PREFIX . "product_to_store` `p2s` ON (`p2s`.`product_id` = `pr`.`product_id` AND `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "') LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `pr`.`related_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW()) LEFT JOIN `" . DB_PREFIX . "product_description` `pd` ON (`p`.`product_id` = `pd`.`product_id`) WHERE `pr`.`product_id` = '" . (int)$product_id . "' AND `pd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "'";
+
+		$product_data = $this->cache->get('product.' . md5($sql));
+
+		if (!$product_data) {
+			$query = $this->db->query($sql);
+
+			$product_data = $query->rows;
+
+			$this->cache->set('product.' . md5($sql), $product_data);
+		}
+
+
+		return (array)$product_data;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function getTotalProducts(array $data = []): int {
+		$sql = "SELECT COUNT(DISTINCT `p`.`product_id`) AS total";
+
+		if (!empty($data['filter_category_id'])) {
+			$sql .= " FROM `" . DB_PREFIX . "category_to_store` `c2s`";
+
+			if (!empty($data['filter_sub_category'])) {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "category_path` `cp` ON (`cp`.`category_id` = `c2s`.`category_id` AND `c2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "') LEFT JOIN `" . DB_PREFIX . "product_to_category` `p2c` ON (`p2c`.`category_id` = `cp`.`category_id`)";
+			} else {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "product_to_category` `p2c` ON (`p2c`.`category_id` = `c2s`.`category_id`)";
+			}
+
+			$sql .= " LEFT JOIN `" . DB_PREFIX . "product_to_store` `p2s` ON (`p2s`.`product_id` = `p2c`.`product_id`)";
+
+			if (!empty($data['filter_filter'])) {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "product_filter` `pf` ON (`pf`.`product_id` = `p2s`.`product_id`) LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `pf`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW())";
+			} else {
+				$sql .= " LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `p2s`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW() AND `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "')";
+			}
+		} else {
+			$sql .= " FROM `" . DB_PREFIX . "product` `p`";
+		}
+
+		$sql .= " LEFT JOIN `" . DB_PREFIX . "product_description` `pd` ON (`p`.`product_id` = `pd`.`product_id`) WHERE `pd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "'";
+
+		if (!empty($data['filter_category_id'])) {
+			if (!empty($data['filter_sub_category'])) {
+				$sql .= " AND `cp`.`path_id` = '" . (int)$data['filter_category_id'] . "'";
+			} else {
+				$sql .= " AND `p2c`.`category_id` = '" . (int)$data['filter_category_id'] . "'";
+			}
+
+			if (!empty($data['filter_filter'])) {
+				$implode = [];
+
+				$filters = explode(',', $data['filter_filter']);
+
+				foreach ($filters as $filter_id) {
+					$implode[] = (int)$filter_id;
+				}
+
+				$sql .= " AND `pf`.`filter_id` IN (" . implode(',', $implode) . ")";
+			}
+		}
+
+		if (!empty($data['filter_search']) || !empty($data['filter_tag'])) {
+			$sql .= " AND (";
+
+			if (!empty($data['filter_search'])) {
+				$implode = [];
+
+				$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_search'])));
+
+				foreach ($words as $word) {
+					$implode[] = "`pd`.`name` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+				}
+
+				if ($implode) {
+					$sql .= " (" . implode(" OR ", $implode) . ")";
+				}
+
+				if (!empty($data['filter_description'])) {
+					$sql .= " OR `pd`.`description` LIKE '" . $this->db->escape('%' . (string)$data['filter_search'] . '%') . "'";
+				}
+			}
+
+			if (!empty($data['filter_search']) && !empty($data['filter_tag'])) {
+				$sql .= " OR ";
+			}
+
+			if (!empty($data['filter_tag'])) {
+				$implode = [];
+
+				$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_tag'])));
+
+				foreach ($words as $word) {
+					$implode[] = "`pd`.`tag` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+				}
+
+				if ($implode) {
+					$sql .= " (" . implode(" OR ", $implode) . ")";
+				}
+			}
+
+			if (!empty($data['filter_search'])) {
+				$sql .= " OR LCASE(`p`.`model`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`sku`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`upc`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`ean`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`jan`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`isbn`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+				$sql .= " OR LCASE(`p`.`mpn`) = '" . $this->db->escape(oc_strtolower($data['filter_search'])) . "'";
+			}
+
+			$sql .= ")";
+		}
+
+		if (!empty($data['filter_manufacturer_id'])) {
+			$sql .= " AND `p`.`manufacturer_id` = '" . (int)$data['filter_manufacturer_id'] . "'";
+		}
+
+		$query = $this->db->query($sql);
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getSpecials(array $data = []): array {
+		$sql = "SELECT DISTINCT *, `pd`.`name`, `p`.`image`, `p`.`price`, " . $this->statement['discount'] . ", " . $this->statement['special'] . ", " . $this->statement['reward'] . ", " . $this->statement['review'] . " FROM `" . DB_PREFIX . "product_special` `ps2` LEFT JOIN `" . DB_PREFIX . "product_to_store` `p2s` ON (`ps2`.`product_id` = `p2s`.`product_id` AND `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `ps2`.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "' AND ((`ps2`.`date_start` = '0000-00-00' OR `ps2`.`date_start` < NOW()) AND (`ps2`.`date_end` = '0000-00-00' OR `ps2`.`date_end` > NOW()))) LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p`.`product_id` = `p2s`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW()) LEFT JOIN `" . DB_PREFIX . "product_description` `pd` ON (`pd`.`product_id` = `p`.`product_id`) WHERE `pd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "' GROUP BY `ps2`.`product_id`";
+
+		$sort_data = [
+			'pd.name',
+			'p.model',
+			'p.price',
+			'rating',
+			'p.sort_order'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			if ($data['sort'] == 'pd.name' || $data['sort'] == 'p.model') {
+				$sql .= " ORDER BY LCASE(" . $data['sort'] . ")";
+			} elseif ($data['sort'] == 'p.price') {
+				$sql .= " ORDER BY (CASE WHEN `special` IS NOT NULL THEN `special` WHEN `discount` IS NOT NULL THEN `discount` ELSE p.`price` END)";
+			} else {
+				$sql .= " ORDER BY " . $data['sort'];
+			}
+		} else {
+			$sql .= " ORDER BY p.`sort_order`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC, LCASE(`pd`.`name`) DESC";
+		} else {
+			$sql .= " ASC, LCASE(`pd`.`name`) ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$product_data = $this->cache->get('product.' . md5($sql));
+
+		if (!$product_data) {
+			$query = $this->db->query($sql);
+
+			$product_data = $query->rows;
+
+			$this->cache->set('product.' . md5($sql), $product_data);
+		}
+
+		return (array)$product_data;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalSpecials(): int {
+		$query = $this->db->query("SELECT COUNT(DISTINCT `ps`.`product_id`) AS `total` FROM `" . DB_PREFIX . "product_special` `ps` LEFT JOIN `" . DB_PREFIX . "product_to_store` `p2s` ON (`p2s`.`product_id` = `ps`.`product_id` AND `p2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `ps`.`customer_group_id` = '" . (int)$this->config->get('config_customer_group_id') . "' AND ((`ps`.`date_start` = '0000-00-00' OR `ps`.`date_start` < NOW()) AND (`ps`.`date_end` = '0000-00-00' OR `ps`.`date_end` > NOW()))) LEFT JOIN `" . DB_PREFIX . "product` `p` ON (`p2s`.`product_id` = `p`.`product_id` AND `p`.`status` = '1' AND `p`.`date_available` <= NOW())");
+
+		if (isset($query->row['total'])) {
+			return (int)$query->row['total'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int    $product_id
+	 * @param string $ip
+	 * @param string $country
+	 *
+	 * @return void
+	 */
+	public function addReport(int $product_id, string $ip, string $country = ''): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "product_report` SET `product_id` = '" . (int)$product_id . "', `store_id` = '" . (int)$this->config->get('config_store_id') . "', `ip` = '" . $this->db->escape($ip) . "', `country` = '" . $this->db->escape($country) . "', `date_added` = NOW()");
+	}
+}

catalog/model/catalog/review.php

@@ -0,0 +1,52 @@
+<?php
+namespace Opencart\Catalog\Model\Catalog;
+/**
+ * Class Review
+ *
+ * @package Opencart\Catalog\Model\Catalog
+ */
+class Review extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int   $product_id
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addReview(int $product_id, array $data): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "review` SET `author` = '" . $this->db->escape((string)$data['name']) . "', `customer_id` = '" . (int)$this->customer->getId() . "', `product_id` = '" . (int)$product_id . "', `text` = '" . $this->db->escape((string)$data['text']) . "', `rating` = '" . (int)$data['rating'] . "', `date_added` = NOW()");
+
+		return $this->db->getLastId();
+	}
+
+	/**
+	 * @param int $product_id
+	 * @param int $start
+	 * @param int $limit
+	 *
+	 * @return array
+	 */
+	public function getReviewsByProductId(int $product_id, int $start = 0, int $limit = 20): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 20;
+		}
+
+		$query = $this->db->query("SELECT r.`author`, r.`rating`, r.`text`, r.`date_added` FROM `" . DB_PREFIX . "review` r LEFT JOIN `" . DB_PREFIX . "product` p ON (r.`product_id` = p.`product_id`) LEFT JOIN `" . DB_PREFIX . "product_description` pd ON (p.`product_id` = pd.`product_id`) WHERE r.`product_id` = '" . (int)$product_id . "' AND p.`date_available` <= NOW() AND p.`status` = '1' AND r.`status` = '1' AND pd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY r.`date_added` DESC LIMIT " . (int)$start . "," . (int)$limit);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $product_id
+	 *
+	 * @return int
+	 */
+	public function getTotalReviewsByProductId(int $product_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "review` r LEFT JOIN `" . DB_PREFIX . "product` p ON (r.`product_id` = p.`product_id`) LEFT JOIN `" . DB_PREFIX . "product_description` pd ON (p.`product_id` = pd.`product_id`) WHERE p.`product_id` = '" . (int)$product_id . "' AND p.`date_available` <= NOW() AND p.`status` = '1' AND r.`status` = '1' AND pd.`language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/catalog/subscription_plan.php

@@ -0,0 +1,74 @@
+<?php
+namespace Opencart\Catalog\Model\Catalog;
+/**
+ * Class Subscription Plan
+ *
+ * @package Opencart\Catalog\Model\Catalog
+ */
+class SubscriptionPlan extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $subscription_plan_id
+	 *
+	 * @return array
+	 */
+	public function getSubscriptionPlan(int $subscription_plan_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "subscription_plan` `sp` LEFT JOIN `" . DB_PREFIX . "subscription_plan_description` `spd` ON (`sp`.`subscription_plan_id` = `spd`.`subscription_plan_id`) WHERE `sp`.`subscription_plan_id` = '" . (int)$subscription_plan_id . "' AND `spd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getSubscriptionPlans(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "subscription_plan` `sp` LEFT JOIN `" . DB_PREFIX . "subscription_plan_description` `spd` ON (`sp`.`subscription_plan_id` = `spd`.`subscription_plan_id`) WHERE `spd`.`language_id` = '" . (int)$this->config->get('config_language_id') . "'";
+
+		if (!empty($data['filter_name'])) {
+			$sql .= " AND spd.`name` LIKE '" . $this->db->escape((string)$data['filter_name'] . '%') . "'";
+		}
+
+		$sort_data = [
+			'spd.name',
+			'sp.sort_order'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			$sql .= " ORDER BY " . $data['sort'];
+		} else {
+			$sql .= " ORDER BY `spd`.`name`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$query = $this->db->query($sql);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalSubscriptionPlans(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "subscription_plan`");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/checkout/cart.php

@@ -0,0 +1,155 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class Cart
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class Cart extends \Opencart\System\Engine\Model {
+	/**
+	 * @return array
+	 */
+	public function getProducts(): array {
+		$this->load->model('tool/image');
+		$this->load->model('tool/upload');
+
+		// Products
+		$product_data = [];
+
+		$products = $this->cart->getProducts();
+
+		foreach ($products as $product) {
+			if ($product['image']) {
+				$image = $this->model_tool_image->resize(html_entity_decode($product['image'], ENT_QUOTES, 'UTF-8'), $this->config->get('config_image_cart_width'), $this->config->get('config_image_cart_height'));
+			} else {
+				$image = $this->model_tool_image->resize('placeholder.png', $this->config->get('config_image_cart_width'), $this->config->get('config_image_cart_height'));
+			}
+
+			$option_data = [];
+
+			foreach ($product['option'] as $option) {
+				if ($option['type'] != 'file') {
+					$value = $option['value'];
+				} else {
+					$upload_info = $this->model_tool_upload->getUploadByCode($option['value']);
+
+					if ($upload_info) {
+						$value = $upload_info['name'];
+					} else {
+						$value = '';
+					}
+				}
+
+				$option_data[] = [
+					'product_option_id'       => $option['product_option_id'],
+					'product_option_value_id' => $option['product_option_value_id'],
+					'option_id'               => $option['option_id'],
+					'option_value_id'         => $option['option_value_id'],
+					'name'                    => $option['name'],
+					'value'                   => $value,
+					'type'                    => $option['type']
+				];
+			}
+
+			$product_total = 0;
+
+			foreach ($products as $product_2) {
+				if ($product_2['product_id'] == $product['product_id']) {
+					$product_total += $product_2['quantity'];
+				}
+			}
+
+			if ($product['minimum'] > $product_total) {
+				$minimum = false;
+			} else {
+				$minimum = true;
+			}
+
+			$product_data[] = [
+				'cart_id'      => $product['cart_id'],
+				'product_id'   => $product['product_id'],
+				'master_id'    => $product['master_id'],
+				'image'        => $image,
+				'name'         => $product['name'],
+				'model'        => $product['model'],
+				'option'       => $option_data,
+				'subscription' => $product['subscription'],
+				'download'     => $product['download'],
+				'quantity'     => $product['quantity'],
+				'stock'        => $product['stock'],
+				'minimum'      => $minimum,
+				'shipping'     => $product['shipping'],
+				'subtract'     => $product['subtract'],
+				'reward'       => $product['reward'],
+				'tax_class_id' => $product['tax_class_id'],
+				'price'        => $product['price'],
+				'total'        => $product['total']
+			];
+		}
+
+		return $product_data;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getVouchers(): array {
+		$voucher_data = [];
+
+		if (!empty($this->session->data['vouchers'])) {
+			foreach ($this->session->data['vouchers'] as $voucher) {
+				$voucher_data[] = [
+					'code'             => $voucher['code'],
+					'description'      => $voucher['description'],
+					'from_name'        => $voucher['from_name'],
+					'from_email'       => $voucher['from_email'],
+					'to_name'          => $voucher['to_name'],
+					'to_email'         => $voucher['to_email'],
+					'voucher_theme_id' => $voucher['voucher_theme_id'],
+					'message'          => $voucher['message'],
+					'amount'           => $voucher['amount']
+				];
+			}
+		}
+
+		return $voucher_data;
+	}
+
+	/**
+	 * @param array $totals
+	 * @param array $taxes
+	 * @param int   $total
+	 *
+	 * @return void
+	 */
+	public function getTotals(array &$totals, array &$taxes, int &$total): void {
+		$sort_order = [];
+
+		$this->load->model('setting/extension');
+
+		$results = $this->model_setting_extension->getExtensionsByType('total');
+
+		foreach ($results as $key => $value) {
+			$sort_order[$key] = $this->config->get('total_' . $value['code'] . '_sort_order');
+		}
+
+		array_multisort($sort_order, SORT_ASC, $results);
+
+		foreach ($results as $result) {
+			if ($this->config->get('total_' . $result['code'] . '_status')) {
+				$this->load->model('extension/' . $result['extension'] . '/total/' . $result['code']);
+
+				// __call magic method cannot pass-by-reference so we get PHP to call it as an anonymous function.
+				($this->{'model_extension_' . $result['extension'] . '_total_' . $result['code']}->getTotal)($totals, $taxes, $total);
+			}
+		}
+
+		$sort_order = [];
+
+		foreach ($totals as $key => $value) {
+			$sort_order[$key] = $value['sort_order'];
+		}
+
+		array_multisort($sort_order, SORT_ASC, $totals);
+	}
+}

catalog/model/checkout/order.php

@@ -0,0 +1,539 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class Order
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class Order extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addOrder(array $data): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "order` SET `invoice_prefix` = '" . $this->db->escape((string)$data['invoice_prefix']) . "', `store_id` = '" . (int)$data['store_id'] . "', `store_name` = '" . $this->db->escape((string)$data['store_name']) . "', `store_url` = '" . $this->db->escape((string)$data['store_url']) . "', `customer_id` = '" . (int)$data['customer_id'] . "', `customer_group_id` = '" . (int)$data['customer_group_id'] . "', `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `email` = '" . $this->db->escape((string)$data['email']) . "', `telephone` = '" . $this->db->escape((string)$data['telephone']) . "', `custom_field` = '" . $this->db->escape(isset($data['custom_field']) ? json_encode($data['custom_field']) : '') . "', `payment_address_id` = '" . (int)$data['payment_address_id'] . "', `payment_firstname` = '" . $this->db->escape((string)$data['payment_firstname']) . "', `payment_lastname` = '" . $this->db->escape((string)$data['payment_lastname']) . "', `payment_company` = '" . $this->db->escape((string)$data['payment_company']) . "', `payment_address_1` = '" . $this->db->escape((string)$data['payment_address_1']) . "', `payment_address_2` = '" . $this->db->escape((string)$data['payment_address_2']) . "', `payment_city` = '" . $this->db->escape((string)$data['payment_city']) . "', `payment_postcode` = '" . $this->db->escape((string)$data['payment_postcode']) . "', `payment_country` = '" . $this->db->escape((string)$data['payment_country']) . "', `payment_country_id` = '" . (int)$data['payment_country_id'] . "', `payment_zone` = '" . $this->db->escape((string)$data['payment_zone']) . "', `payment_zone_id` = '" . (int)$data['payment_zone_id'] . "', `payment_address_format` = '" . $this->db->escape((string)$data['payment_address_format']) . "', `payment_custom_field` = '" . $this->db->escape(isset($data['payment_custom_field']) ? json_encode($data['payment_custom_field']) : '') . "', `payment_method` = '" . $this->db->escape($data['payment_method'] ? json_encode($data['payment_method']) : '') . "', `shipping_address_id` = '" . (int)$data['shipping_address_id'] . "', `shipping_firstname` = '" . $this->db->escape((string)$data['shipping_firstname']) . "', `shipping_lastname` = '" . $this->db->escape((string)$data['shipping_lastname']) . "', `shipping_company` = '" . $this->db->escape((string)$data['shipping_company']) . "', `shipping_address_1` = '" . $this->db->escape((string)$data['shipping_address_1']) . "', `shipping_address_2` = '" . $this->db->escape((string)$data['shipping_address_2']) . "', `shipping_city` = '" . $this->db->escape((string)$data['shipping_city']) . "', `shipping_postcode` = '" . $this->db->escape((string)$data['shipping_postcode']) . "', `shipping_country` = '" . $this->db->escape((string)$data['shipping_country']) . "', `shipping_country_id` = '" . (int)$data['shipping_country_id'] . "', `shipping_zone` = '" . $this->db->escape((string)$data['shipping_zone']) . "', `shipping_zone_id` = '" . (int)$data['shipping_zone_id'] . "', `shipping_address_format` = '" . $this->db->escape((string)$data['shipping_address_format']) . "', `shipping_custom_field` = '" . $this->db->escape(isset($data['shipping_custom_field']) ? json_encode($data['shipping_custom_field']) : '') . "', `shipping_method` = '" . $this->db->escape($data['shipping_method'] ? json_encode($data['shipping_method']) : '') . "', `comment` = '" . $this->db->escape((string)$data['comment']) . "', `total` = '" . (float)$data['total'] . "', `affiliate_id` = '" . (int)$data['affiliate_id'] . "', `commission` = '" . (float)$data['commission'] . "', `marketing_id` = '" . (int)$data['marketing_id'] . "', `tracking` = '" . $this->db->escape((string)$data['tracking']) . "', `language_id` = '" . (int)$data['language_id'] . "', `currency_id` = '" . (int)$data['currency_id'] . "', `currency_code` = '" . $this->db->escape((string)$data['currency_code']) . "', `currency_value` = '" . (float)$data['currency_value'] . "', `ip` = '" . $this->db->escape((string)$data['ip']) . "', `forwarded_ip` = '" .  $this->db->escape((string)$data['forwarded_ip']) . "', `user_agent` = '" . $this->db->escape((string)$data['user_agent']) . "', `accept_language` = '" . $this->db->escape((string)$data['accept_language']) . "', `date_added` = NOW(), `date_modified` = NOW()");
+
+		$order_id = $this->db->getLastId();
+
+		// Products
+		if (isset($data['products'])) {
+			foreach ($data['products'] as $product) {
+				$this->db->query("INSERT INTO `" . DB_PREFIX . "order_product` SET `order_id` = '" . (int)$order_id . "', `product_id` = '" . (int)$product['product_id'] . "', `master_id` = '" . (int)$product['master_id'] . "', `name` = '" . $this->db->escape($product['name']) . "', `model` = '" . $this->db->escape($product['model']) . "', `quantity` = '" . (int)$product['quantity'] . "', `price` = '" . (float)$product['price'] . "', `total` = '" . (float)$product['total'] . "', `tax` = '" . (float)$product['tax'] . "', `reward` = '" . (int)$product['reward'] . "'");
+
+				$order_product_id = $this->db->getLastId();
+
+				foreach ($product['option'] as $option) {
+					$this->db->query("INSERT INTO `" . DB_PREFIX . "order_option` SET `order_id` = '" . (int)$order_id . "', `order_product_id` = '" . (int)$order_product_id . "', `product_option_id` = '" . (int)$option['product_option_id'] . "', `product_option_value_id` = '" . (int)$option['product_option_value_id'] . "', `name` = '" . $this->db->escape($option['name']) . "', `value` = '" . $this->db->escape($option['value']) . "', `type` = '" . $this->db->escape($option['type']) . "'");
+				}
+
+				// If subscription add details
+				if ($product['subscription']) {
+					$this->db->query("INSERT INTO `" . DB_PREFIX . "order_subscription` SET `order_id` = '" . (int)$order_id . "', `order_product_id` = '" . (int)$order_product_id . "', `subscription_plan_id` = '" . (int)$product['subscription']['subscription_plan_id'] . "', `trial_price` = '" . (float)$product['subscription']['trial_price'] . "', `trial_tax` = '" . (float)$product['subscription']['trial_tax'] . "', `trial_frequency` = '" . $this->db->escape($product['subscription']['trial_frequency']) . "', `trial_cycle` = '" . (int)$product['subscription']['trial_cycle'] . "', `trial_duration` = '" . (int)$product['subscription']['trial_duration'] . "', `trial_remaining` = '" . (int)$product['subscription']['trial_remaining'] . "', `trial_status` = '" . (int)$product['subscription']['trial_status'] . "', `price` = '" . (float)$product['subscription']['price'] . "', `tax` = '" . (float)$product['subscription']['tax'] . "', `frequency` = '" . $this->db->escape($product['subscription']['frequency']) . "', `cycle` = '" . (int)$product['subscription']['cycle'] . "', `duration` = '" . (int)$product['subscription']['duration'] . "'");
+				}
+			}
+		}
+
+		// Vouchers
+		if (isset($data['vouchers'])) {
+			$this->load->model('checkout/voucher');
+
+			foreach ($data['vouchers'] as $voucher) {
+				$this->db->query("INSERT INTO `" . DB_PREFIX . "order_voucher` SET `order_id` = '" . (int)$order_id . "', `description` = '" . $this->db->escape($voucher['description']) . "', `code` = '" . $this->db->escape($voucher['code']) . "', `from_name` = '" . $this->db->escape($voucher['from_name']) . "', `from_email` = '" . $this->db->escape($voucher['from_email']) . "', `to_name` = '" . $this->db->escape($voucher['to_name']) . "', `to_email` = '" . $this->db->escape($voucher['to_email']) . "', `voucher_theme_id` = '" . (int)$voucher['voucher_theme_id'] . "', `message` = '" . $this->db->escape($voucher['message']) . "', `amount` = '" . (float)$voucher['amount'] . "'");
+
+				$order_voucher_id = $this->db->getLastId();
+
+				$voucher_id = $this->model_checkout_voucher->addVoucher($order_id, $voucher);
+
+				$this->db->query("UPDATE `" . DB_PREFIX . "order_voucher` SET `voucher_id` = '" . (int)$voucher_id . "' WHERE `order_voucher_id` = '" . (int)$order_voucher_id . "'");
+			}
+		}
+
+		// Totals
+		if (isset($data['totals'])) {
+			foreach ($data['totals'] as $total) {
+				$this->db->query("INSERT INTO `" . DB_PREFIX . "order_total` SET `order_id` = '" . (int)$order_id . "', `extension` = '" . $this->db->escape($total['extension']) . "', `code` = '" . $this->db->escape($total['code']) . "', `title` = '" . $this->db->escape($total['title']) . "', `value` = '" . (float)$total['value'] . "', `sort_order` = '" . (int)$total['sort_order'] . "'");
+			}
+		}
+
+		return $order_id;
+	}
+
+	/**
+	 * @param int   $order_id
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function editOrder(int $order_id, array $data): void {
+		// 1. Void the order first
+		$this->addHistory($order_id, 0);
+
+		$order_info = $this->getOrder($order_id);
+
+		if ($order_info) {
+			// 2. Merge the old order data with the new data
+			foreach ($order_info as $key => $value) {
+				if (!isset($data[$key])) {
+					$data[$key] = $value;
+				}
+			}
+
+			$this->db->query("UPDATE `" . DB_PREFIX . "order` SET `invoice_prefix` = '" . $this->db->escape((string)$data['invoice_prefix']) . "', `store_id` = '" . (int)$data['store_id'] . "', `store_name` = '" . $this->db->escape((string)$data['store_name']) . "', `store_url` = '" . $this->db->escape((string)$data['store_url']) . "', `customer_id` = '" . (int)$data['customer_id'] . "', `customer_group_id` = '" . (int)$data['customer_group_id'] . "', `firstname` = '" . $this->db->escape((string)$data['firstname']) . "', `lastname` = '" . $this->db->escape((string)$data['lastname']) . "', `email` = '" . $this->db->escape((string)$data['email']) . "', `telephone` = '" . $this->db->escape((string)$data['telephone']) . "', `custom_field` = '" . $this->db->escape(json_encode($data['custom_field'])) . "', `payment_address_id` = '" . (int)$data['payment_address_id'] . "', `payment_firstname` = '" . $this->db->escape((string)$data['payment_firstname']) . "', `payment_lastname` = '" . $this->db->escape((string)$data['payment_lastname']) . "', `payment_company` = '" . $this->db->escape((string)$data['payment_company']) . "', `payment_address_1` = '" . $this->db->escape((string)$data['payment_address_1']) . "', `payment_address_2` = '" . $this->db->escape((string)$data['payment_address_2']) . "', `payment_city` = '" . $this->db->escape((string)$data['payment_city']) . "', `payment_postcode` = '" . $this->db->escape((string)$data['payment_postcode']) . "', `payment_country` = '" . $this->db->escape((string)$data['payment_country']) . "', `payment_country_id` = '" . (int)$data['payment_country_id'] . "', `payment_zone` = '" . $this->db->escape((string)$data['payment_zone']) . "', `payment_zone_id` = '" . (int)$data['payment_zone_id'] . "', `payment_address_format` = '" . $this->db->escape((string)$data['payment_address_format']) . "', `payment_custom_field` = '" . $this->db->escape(isset($data['payment_custom_field']) ? json_encode($data['payment_custom_field']) : '') . "', `payment_method` = '" . $this->db->escape($data['payment_method'] ? json_encode($data['payment_method']) : '') . "', `shipping_address_id` = '" . (int)$data['shipping_address_id'] . "', `shipping_firstname` = '" . $this->db->escape((string)$data['shipping_firstname']) . "', `shipping_lastname` = '" . $this->db->escape((string)$data['shipping_lastname']) . "', `shipping_company` = '" . $this->db->escape((string)$data['shipping_company']) . "', `shipping_address_1` = '" . $this->db->escape((string)$data['shipping_address_1']) . "', `shipping_address_2` = '" . $this->db->escape((string)$data['shipping_address_2']) . "', `shipping_city` = '" . $this->db->escape((string)$data['shipping_city']) . "', `shipping_postcode` = '" . $this->db->escape((string)$data['shipping_postcode']) . "', `shipping_country` = '" . $this->db->escape((string)$data['shipping_country']) . "', `shipping_country_id` = '" . (int)$data['shipping_country_id'] . "', `shipping_zone` = '" . $this->db->escape((string)$data['shipping_zone']) . "', `shipping_zone_id` = '" . (int)$data['shipping_zone_id'] . "', `shipping_address_format` = '" . $this->db->escape((string)$data['shipping_address_format']) . "', `shipping_custom_field` = '" . $this->db->escape(isset($data['shipping_custom_field']) ? json_encode($data['shipping_custom_field']) : '') . "', `shipping_method` = '" . $this->db->escape($data['shipping_method'] ? json_encode($data['shipping_method']) : '') . "', `comment` = '" . $this->db->escape((string)$data['comment']) . "', `total` = '" . (float)$data['total'] . "', `affiliate_id` = '" . (int)$data['affiliate_id'] . "', `commission` = '" . (float)$data['commission'] . "', `date_modified` = NOW() WHERE `order_id` = '" . (int)$order_id . "'");
+
+			$this->db->query("DELETE FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "'");
+			$this->db->query("DELETE FROM `" . DB_PREFIX . "order_option` WHERE `order_id` = '" . (int)$order_id . "'");
+			$this->db->query("DELETE FROM `" . DB_PREFIX . "order_subscription` WHERE `order_id` = '" . (int)$order_id . "'");
+
+			// Products
+			if (isset($data['products'])) {
+				foreach ($data['products'] as $product) {
+					$this->db->query("INSERT INTO `" . DB_PREFIX . "order_product` SET `order_id` = '" . (int)$order_id . "', `product_id` = '" . (int)$product['product_id'] . "', `master_id` = '" . (int)$product['master_id'] . "', `name` = '" . $this->db->escape($product['name']) . "', `model` = '" . $this->db->escape($product['model']) . "', `quantity` = '" . (int)$product['quantity'] . "', `price` = '" . (float)$product['price'] . "', `total` = '" . (float)$product['total'] . "', `tax` = '" . (float)$product['tax'] . "', `reward` = '" . (int)$product['reward'] . "'");
+
+					$order_product_id = $this->db->getLastId();
+
+					foreach ($product['option'] as $option) {
+						$this->db->query("INSERT INTO `" . DB_PREFIX . "order_option` SET `order_id` = '" . (int)$order_id . "', `order_product_id` = '" . (int)$order_product_id . "', `product_option_id` = '" . (int)$option['product_option_id'] . "', `product_option_value_id` = '" . (int)$option['product_option_value_id'] . "', `name` = '" . $this->db->escape($option['name']) . "', `value` = '" . $this->db->escape($option['value']) . "', `type` = '" . $this->db->escape($option['type']) . "'");
+					}
+
+					if ($product['subscription']) {
+						$this->db->query("INSERT INTO `" . DB_PREFIX . "order_subscription` SET `order_id` = '" . (int)$order_id . "', `order_product_id` = '" . (int)$order_product_id . "', `subscription_plan_id` = '" . (int)$product['subscription']['subscription_plan_id'] . "', `trial_price` = '" . (float)$product['subscription']['trial_price'] . "', `trial_tax` = '" . (float)$product['subscription']['trial_tax'] . "', `trial_frequency` = '" . $this->db->escape($product['subscription']['trial_frequency']) . "', `trial_cycle` = '" . (int)$product['subscription']['trial_cycle'] . "', `trial_duration` = '" . (int)$product['subscription']['trial_duration'] . "', `trial_remaining` = '" . (int)$product['subscription']['trial_remaining'] . "', `trial_status` = '" . (int)$product['subscription']['trial_status'] . "', `price` = '" . (float)$product['subscription']['price'] . "', `tax` = '" . (float)$product['subscription']['tax'] . "', `frequency` = '" . $this->db->escape($product['subscription']['frequency']) . "', `cycle` = '" . (int)$product['subscription']['cycle'] . "', `duration` = '" . (int)$product['subscription']['duration'] . "'");
+					}
+				}
+			}
+
+			// Gift Voucher
+			$this->load->model('checkout/voucher');
+
+			$this->model_checkout_voucher->deleteVoucherByOrderId($order_id);
+
+			// Vouchers
+			$this->db->query("DELETE FROM `" . DB_PREFIX . "order_voucher` WHERE `order_id` = '" . (int)$order_id . "'");
+
+			if (isset($data['vouchers'])) {
+				foreach ($data['vouchers'] as $voucher) {
+					$this->db->query("INSERT INTO `" . DB_PREFIX . "order_voucher` SET `order_id` = '" . (int)$order_id . "', `description` = '" . $this->db->escape($voucher['description']) . "', `code` = '" . $this->db->escape($voucher['code']) . "', `from_name` = '" . $this->db->escape($voucher['from_name']) . "', `from_email` = '" . $this->db->escape($voucher['from_email']) . "', `to_name` = '" . $this->db->escape($voucher['to_name']) . "', `to_email` = '" . $this->db->escape($voucher['to_email']) . "', `voucher_theme_id` = '" . (int)$voucher['voucher_theme_id'] . "', `message` = '" . $this->db->escape($voucher['message']) . "', `amount` = '" . (float)$voucher['amount'] . "'");
+
+					$order_voucher_id = $this->db->getLastId();
+
+					$voucher_id = $this->model_checkout_voucher->addVoucher($order_id, $voucher);
+
+					$this->db->query("UPDATE `" . DB_PREFIX . "order_voucher` SET `voucher_id` = '" . (int)$voucher_id . "' WHERE `order_voucher_id` = '" . (int)$order_voucher_id . "'");
+				}
+			}
+
+			// Totals
+			$this->db->query("DELETE FROM `" . DB_PREFIX . "order_total` WHERE `order_id` = '" . (int)$order_id . "'");
+
+			if (isset($data['totals'])) {
+				foreach ($data['totals'] as $total) {
+					$this->db->query("INSERT INTO `" . DB_PREFIX . "order_total` SET `order_id` = '" . (int)$order_id . "', `extension` = '" . $this->db->escape($total['extension']) . "', `code` = '" . $this->db->escape($total['code']) . "', `title` = '" . $this->db->escape($total['title']) . "', `value` = '" . (float)$total['value'] . "', `sort_order` = '" . (int)$total['sort_order'] . "'");
+				}
+			}
+		}
+	}
+
+	/**
+	 * @param int    $order_id
+	 * @param string $transaction_id
+	 *
+	 * @return void
+	 */
+	public function editTransactionId(int $order_id, string $transaction_id): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "order` SET `transaction_id` = '" . $this->db->escape($transaction_id) . "' WHERE `order_id` = '" . (int)$order_id . "'");
+	}
+
+	/**
+	 * @param int    $order_id
+	 * @param string $comment
+	 *
+	 * @return void
+	 */
+	public function editComment(int $order_id, string $comment): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "order` SET `comment` = '" . $this->db->escape($comment) . "' WHERE `order_id` = '" . (int)$order_id . "'");
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return void
+	 */
+	public function deleteOrder(int $order_id): void {
+		// Void the order first
+		$this->addHistory($order_id, 0);
+
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order_option` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order_subscription` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order_voucher` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order_total` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "order_history` WHERE `order_id` = '" . (int)$order_id . "'");
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_transaction` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		// Gift Voucher
+		$this->load->model('checkout/voucher');
+
+		$this->model_checkout_voucher->deleteVoucherByOrderId($order_id);
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getOrder(int $order_id): array {
+		$order_query = $this->db->query("SELECT *, (SELECT `os`.`name` FROM `" . DB_PREFIX . "order_status` `os` WHERE `os`.`order_status_id` = `o`.`order_status_id` AND `os`.`language_id` = `o`.`language_id`) AS order_status FROM `" . DB_PREFIX . "order` `o` WHERE `o`.`order_id` = '" . (int)$order_id . "'");
+
+		if ($order_query->num_rows) {
+			$order_data = $order_query->row;
+
+			$this->load->model('localisation/country');
+			$this->load->model('localisation/zone');
+
+			$order_data['custom_field'] = json_decode($order_query->row['custom_field'], true);
+
+			foreach (['payment', 'shipping'] as $column) {
+				$country_info = $this->model_localisation_country->getCountry($order_query->row[$column . '_country_id']);
+
+				if ($country_info) {
+					$order_data[$column . '_iso_code_2'] = $country_info['iso_code_2'];
+					$order_data[$column . '_iso_code_3'] = $country_info['iso_code_3'];
+				} else {
+					$order_data[$column . '_iso_code_2'] = '';
+					$order_data[$column . '_iso_code_3'] = '';
+				}
+
+				$zone_info = $this->model_localisation_zone->getZone($order_query->row[$column . '_zone_id']);
+
+				if ($zone_info) {
+					$order_data[$column . '_zone_code'] = $zone_info['code'];
+				} else {
+					$order_data[$column . '_zone_code'] = '';
+				}
+
+				$order_data[$column . '_custom_field'] = json_decode($order_query->row[$column . '_custom_field'], true);
+
+				$order_data[$column . '_custom_field'] = json_decode($order_query->row[$column . '_custom_field'], true);
+
+				// Payment and shipping method details
+				$order_data[$column . '_method'] = json_decode($order_query->row[$column . '_method'], true);
+			}
+
+			return $order_data;
+		}
+
+		return [];
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getProduct(int $order_id, int $order_product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getProducts(int $order_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_product` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getOptions(int $order_id, int $order_product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_option` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getSubscription(int $order_id, int $order_product_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_subscription` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getSubscriptions(array $data): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "subscription`";
+
+		$implode = [];
+
+		if (!empty($data['filter_date_next'])) {
+			$implode[] = "DATE(`date_next`) <= DATE('" . $this->db->escape($data['filter_date_next']) . "')";
+		}
+
+		if (!empty($data['filter_subscription_status_id'])) {
+			$implode[] = "`subscription_status_id` = '" . (int)$data['filter_subscription_status_id'] . "'";
+		}
+
+		if ($implode) {
+			$sql .= " WHERE " . implode(" AND ", $implode);
+		}
+
+		$sort_data = [
+			'pd.name',
+			'p.model',
+			'p.price',
+			'p.quantity',
+			'p.status',
+			'p.sort_order'
+		];
+
+		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
+			$sql .= " ORDER BY " . $data['sort'];
+		} else {
+			$sql .= " ORDER BY o.`order_id`";
+		}
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$query = $this->db->query($sql);
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getVouchers(int $order_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_voucher` WHERE `order_id` = '" . (int)$order_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function getTotals(int $order_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_total` WHERE `order_id` = '" . (int)$order_id . "' ORDER BY `sort_order` ASC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int    $order_id
+	 * @param int    $order_status_id
+	 * @param string $comment
+	 * @param bool   $notify
+	 * @param bool   $override
+	 *
+	 * @return void
+	 */
+	public function addHistory(int $order_id, int $order_status_id, string $comment = '', bool $notify = false, bool $override = false): void {
+		$order_info = $this->getOrder($order_id);
+
+		if ($order_info) {
+			// Load subscription model
+			$this->load->model('account/customer');
+
+			$customer_info = $this->model_account_customer->getCustomer($order_info['customer_id']);
+
+			// Fraud Detection Enable / Disable
+			if ($customer_info && $customer_info['safe']) {
+				$safe = true;
+			} else {
+				$safe = false;
+			}
+
+			// Only do the fraud check if the customer is not on the safe list and the order status is changing into the complete or process order status
+			if (!$safe && !$override && in_array($order_status_id, array_merge((array)$this->config->get('config_processing_status'), (array)$this->config->get('config_complete_status')))) {
+				// Anti-Fraud
+				$this->load->model('setting/extension');
+
+				$extensions = $this->model_setting_extension->getExtensionsByType('fraud');
+
+				foreach ($extensions as $extension) {
+					if ($this->config->get('fraud_' . $extension['code'] . '_status')) {
+						$this->load->model('extension/' . $extension['extension'] . '/fraud/' . $extension['code']);
+
+						if (isset($this->{'model_extension_' . $extension['extension'] . '_fraud_' . $extension['code']}->check)) {
+							$fraud_status_id = $this->{'model_extension_' . $extension['extension'] . '_fraud_' . $extension['code']}->check($order_info);
+
+							if ($fraud_status_id) {
+								$order_status_id = $fraud_status_id;
+							}
+						}
+					}
+				}
+			}
+
+			// Products
+			$order_products = $this->getProducts($order_id);
+
+			// Totals
+			$order_totals = $this->getTotals($order_id);
+
+			// If current order status is not processing or complete but new status is processing or complete then commence completing the order
+			if (!in_array($order_info['order_status_id'], array_merge((array)$this->config->get('config_processing_status'), (array)$this->config->get('config_complete_status'))) && in_array($order_status_id, array_merge((array)$this->config->get('config_processing_status'), (array)$this->config->get('config_complete_status')))) {
+				// Redeem coupon, vouchers and reward points
+				foreach ($order_totals as $order_total) {
+					$this->load->model('extension/' . $order_total['extension'] . '/total/' . $order_total['code']);
+
+					if (isset($this->{'model_extension_' . $order_total['extension'] . '_total_' . $order_total['code']}->confirm)) {
+						// Confirm coupon, vouchers and reward points
+						$fraud_status_id = $this->{'model_extension_' . $order_total['extension'] . '_total_' . $order_total['code']}->confirm($order_info, $order_total);
+
+						// If the balance on the coupon, vouchers and reward points is not enough to cover the transaction or has already been used then the fraud order status is returned.
+						if ($fraud_status_id) {
+							$order_status_id = $fraud_status_id;
+						}
+					}
+				}
+
+				foreach ($order_products as $order_product) {
+					// Stock subtraction
+					$this->db->query("UPDATE `" . DB_PREFIX . "product` SET `quantity` = (`quantity` - " . (int)$order_product['quantity'] . ") WHERE `product_id` = '" . (int)$order_product['product_id'] . "' AND `subtract` = '1'");
+
+					// Stock subtraction from master product
+					if ($order_product['master_id']) {
+						$this->db->query("UPDATE `" . DB_PREFIX . "product` SET `quantity` = (`quantity` - " . (int)$order_product['quantity'] . ") WHERE `product_id` = '" . (int)$order_product['master_id'] . "' AND `subtract` = '1'");
+					}
+
+					$order_options = $this->getOptions($order_id, $order_product['order_product_id']);
+
+					foreach ($order_options as $order_option) {
+						$this->db->query("UPDATE `" . DB_PREFIX . "product_option_value` SET `quantity` = (`quantity` - " . (int)$order_product['quantity'] . ") WHERE `product_option_value_id` = '" . (int)$order_option['product_option_value_id'] . "' AND `subtract` = '1'");
+					}
+				}
+			}
+
+			// If order status becomes complete status
+			if (!in_array($order_info['order_status_id'], (array)$this->config->get('config_complete_status')) && in_array($order_status_id, (array)$this->config->get('config_complete_status'))) {
+				// Affiliate add commission if complete status
+				if ($order_info['affiliate_id'] && $this->config->get('config_affiliate_auto')) {
+					// Add commission if sale is linked to affiliate referral.
+					$this->load->model('account/customer');
+
+					if (!$this->model_account_customer->getTotalTransactionsByOrderId($order_id)) {
+						$this->model_account_customer->addTransaction($order_info['affiliate_id'], $this->language->get('text_order_id') . ' #' . $order_id, $order_info['commission'], $order_id);
+					}
+				}
+
+				// Add subscription
+				$this->load->model('checkout/subscription');
+
+				foreach ($order_products as $order_product) {
+					// Subscription
+					$order_subscription_info = $this->getSubscription($order_id, $order_product['order_product_id']);
+
+					if ($order_subscription_info) {
+						// Add subscription if one is not setup
+						$subscription_info = $this->model_checkout_subscription->getSubscriptionByOrderProductId($order_id, $order_product['order_product_id']);
+
+						if ($subscription_info) {
+							$subscription_id = $subscription_info['subscription_id'];
+						} else {
+							$subscription_id = $this->model_checkout_subscription->addSubscription(array_merge($order_subscription_info, $order_product, $order_info));
+						}
+
+						// Add history and set active subscription
+						$this->model_checkout_subscription->addHistory($subscription_id, (int)$this->config->get('config_subscription_active_id'));
+					}
+				}
+			}
+
+			// If old order status is the processing or complete status but new status is not then commence restock, and remove coupon, voucher and reward history
+			if (in_array($order_info['order_status_id'], array_merge((array)$this->config->get('config_processing_status'), (array)$this->config->get('config_complete_status'))) && !in_array($order_status_id, array_merge((array)$this->config->get('config_processing_status'), (array)$this->config->get('config_complete_status')))) {
+				// Restock
+				foreach ($order_products as $order_product) {
+					$this->db->query("UPDATE `" . DB_PREFIX . "product` SET `quantity` = (`quantity` + " . (int)$order_product['quantity'] . ") WHERE `product_id` = '" . (int)$order_product['product_id'] . "' AND `subtract` = '1'");
+
+					// Restock the master product stock level if product is a variant
+					if ($order_product['master_id']) {
+						$this->db->query("UPDATE `" . DB_PREFIX . "product` SET `quantity` = (`quantity` + " . (int)$order_product['quantity'] . ") WHERE `product_id` = '" . (int)$order_product['master_id'] . "' AND `subtract` = '1'");
+					}
+
+					$order_options = $this->getOptions($order_id, $order_product['order_product_id']);
+
+					foreach ($order_options as $order_option) {
+						$this->db->query("UPDATE `" . DB_PREFIX . "product_option_value` SET `quantity` = (`quantity` + " . (int)$order_product['quantity'] . ") WHERE `product_option_value_id` = '" . (int)$order_option['product_option_value_id'] . "' AND `subtract` = '1'");
+					}
+				}
+
+				// Remove coupon, vouchers and reward points history
+				foreach ($order_totals as $order_total) {
+					$this->load->model('extension/' . $order_total['extension'] . '/total/' . $order_total['code']);
+
+					if (isset($this->{'model_extension_' . $order_total['extension'] . '_total_' . $order_total['code']}->unconfirm)) {
+						$this->{'model_extension_' . $order_total['extension'] . '_total_' . $order_total['code']}->unconfirm($order_id);
+					}
+				}
+			}
+
+			// If order status is no longer complete status
+			if (in_array($order_info['order_status_id'], (array)$this->config->get('config_complete_status')) && !in_array($order_status_id, (array)$this->config->get('config_complete_status'))) {
+				// Suspend subscription
+				$this->load->model('checkout/subscription');
+
+				foreach ($order_products as $order_product) {
+					// Subscription status set to suspend
+					$subscription_info = $this->model_checkout_subscription->getSubscriptionByOrderProductId($order_id, $order_product['order_product_id']);
+
+					if ($subscription_info) {
+						// Add history and set suspended subscription
+						$this->model_checkout_subscription->addHistory($subscription_info['subscription_id'], (int)$this->config->get('config_subscription_suspended_status_id'));
+					}
+				}
+
+				// Affiliate remove commission.
+				if ($order_info['affiliate_id']) {
+					$this->load->model('account/customer');
+
+					$this->model_account_customer->deleteTransactionByOrderId($order_id);
+				}
+			}
+
+			// Update the DB with the new statuses
+			$this->db->query("UPDATE `" . DB_PREFIX . "order` SET `order_status_id` = '" . (int)$order_status_id . "', `date_modified` = NOW() WHERE `order_id` = '" . (int)$order_id . "'");
+
+			$this->db->query("INSERT INTO `" . DB_PREFIX . "order_history` SET `order_id` = '" . (int)$order_id . "', `order_status_id` = '" . (int)$order_status_id . "', `notify` = '" . (int)$notify . "', `comment` = '" . $this->db->escape($comment) . "', `date_added` = NOW()");
+
+			$this->cache->delete('product');
+		}
+	}
+}

catalog/model/checkout/payment_method.php

@@ -0,0 +1,43 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class PaymentMethod
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class PaymentMethod extends \Opencart\System\Engine\Controller {
+	/**
+	 * @param array $payment_address
+	 *
+	 * @return array
+	 */
+	public function getMethods(array $payment_address = []): array {
+		$method_data = [];
+
+		$this->load->model('setting/extension');
+
+		$results = $this->model_setting_extension->getExtensionsByType('payment');
+
+		foreach ($results as $result) {
+			if ($this->config->get('payment_' . $result['code'] . '_status')) {
+				$this->load->model('extension/' . $result['extension'] . '/payment/' . $result['code']);
+
+				$payment_methods = $this->{'model_extension_' . $result['extension'] . '_payment_' . $result['code']}->getMethods($payment_address);
+
+				if ($payment_methods) {
+					$method_data[$result['code']] = $payment_methods;
+				}
+			}
+		}
+
+		$sort_order = [];
+
+		foreach ($method_data as $key => $value) {
+			$sort_order[$key] = $value['sort_order'];
+		}
+
+		array_multisort($sort_order, SORT_ASC, $method_data);
+
+		return $method_data;
+	}
+}

catalog/model/checkout/shipping_method.php

@@ -0,0 +1,43 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class ShippingMethod
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class ShippingMethod extends \Opencart\System\Engine\Controller {
+	/**
+	 * @param array $shipping_address
+	 *
+	 * @return array
+	 */
+	public function getMethods(array $shipping_address): array {
+		$method_data = [];
+
+		$this->load->model('setting/extension');
+
+		$results = $this->model_setting_extension->getExtensionsByType('shipping');
+
+		foreach ($results as $result) {
+			if ($this->config->get('shipping_' . $result['code'] . '_status')) {
+				$this->load->model('extension/' . $result['extension'] . '/shipping/' . $result['code']);
+
+				$quote = $this->{'model_extension_' . $result['extension'] . '_shipping_' . $result['code']}->getQuote($shipping_address);
+
+				if ($quote) {
+					$method_data[$result['code']] = $quote;
+				}
+			}
+		}
+
+		$sort_order = [];
+
+		foreach ($method_data as $key => $value) {
+			$sort_order[$key] = $value['sort_order'];
+		}
+
+		array_multisort($sort_order, SORT_ASC, $method_data);
+
+		return $method_data;
+	}
+}

catalog/model/checkout/subscription.php

@@ -0,0 +1,208 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class Subscription
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class Subscription extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addSubscription(array $data): int {
+		if ($data['trial_status'] && $data['trial_duration']) {
+			$trial_remaining = $data['trial_duration'] - 1;
+			$remaining = $data['duration'];
+		} elseif ($data['duration']) {
+			$trial_remaining = $data['trial_duration'];
+			$remaining = $data['duration'] - 1;
+		} else {
+			$trial_remaining = $data['trial_duration'];
+			$remaining = $data['duration'];
+		}
+
+		if ($data['trial_status'] && $data['trial_duration']) {
+			$date_next = date('Y-m-d', strtotime('+' . $data['trial_cycle'] . ' ' . $data['trial_frequency']));
+		} else {
+			$date_next = date('Y-m-d', strtotime('+' . $data['cycle'] . ' ' . $data['frequency']));
+		}
+
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "subscription` SET 
+			`order_product_id` = '" . (int)$data['order_product_id'] . "', 
+			`order_id` = '" . (int)$data['order_id'] . "',
+			`store_id` = '" . (int)$data['store_id'] . "', 
+			`customer_id` = '" . (int)$data['customer_id'] . "', 
+			`payment_address_id` = '" . (int)$data['payment_address_id'] . "', 
+			`payment_method` = '" . $this->db->escape($data['payment_method'] ? json_encode($data['payment_method']) : '') . "', 
+			`shipping_address_id` = '" . (int)$data['shipping_address_id'] . "', 
+			`shipping_method` = '" . $this->db->escape($data['shipping_method'] ? json_encode($data['shipping_method']) : '') . "', 
+			`product_id` = '" . (int)$data['product_id'] . "', 
+			`quantity` = '" . (int)$data['quantity'] . "', 
+			`subscription_plan_id` = '" . (int)$data['subscription_plan_id'] . "', 
+			`trial_price` = '" . (float)$data['trial_price'] . "', 
+			`trial_frequency` = '" . $this->db->escape($data['trial_frequency']) . "', 
+			`trial_cycle` = '" . (int)$data['trial_cycle'] . "', 
+			`trial_duration` = '" . (int)$data['trial_duration'] . "', 
+			`trial_remaining` = '" . (int)$trial_remaining . "', 
+			`trial_status` = '" . (int)$data['trial_status'] . "', 
+			`price` = '" . (float)$data['price'] . "', 
+			`frequency` = '" . $this->db->escape($data['frequency']) . "', 
+			`cycle` = '" . (int)$data['cycle'] . "', 
+			`duration` = '" . (int)$data['duration'] . "', 
+			`remaining` = '" . (int)$trial_remaining . "', 
+			`date_next` = '" . $this->db->escape($date_next) . "', 
+			`comment` = '" . $this->db->escape($data['comment']) . "', 
+			`affiliate_id` = '" . (int)$data['affiliate_id'] . "', 
+			`marketing_id` = '" . (int)$data['marketing_id'] . "', 
+			`tracking` = '" . $this->db->escape($data['tracking']) . "', 
+			`language_id` = '" . (int)$data['language_id'] . "', 
+			`currency_id` = '" . (int)$data['currency_id'] . "', 
+			`ip` = '" . $this->db->escape($data['ip']) . "', 
+			`forwarded_ip` = '" . $this->db->escape($data['forwarded_ip']) . "', 
+			`user_agent` = '" . $this->db->escape($data['user_agent']) . "', 
+			`accept_language` = '" . $this->db->escape($data['accept_language']) . "', 
+			`date_added` = NOW(), 
+			`date_modified` = NOW()
+		");
+
+		return $this->db->getLastId();
+	}
+
+	/**
+	 * @param int   $subscription_id
+	 * @param array $data
+	 *
+	 * @return void
+	 */
+	public function editSubscription(int $subscription_id, array $data): void {
+		if ($data['trial_status'] && $data['trial_duration']) {
+			$trial_remaining = $data['trial_duration'] - 1;
+			$remaining = $data['duration'];
+		} elseif ($data['duration']) {
+			$trial_remaining = $data['trial_duration'];
+			$remaining = $data['duration'] - 1;
+		} else {
+			$trial_remaining = $data['trial_duration'];
+			$remaining = $data['duration'];
+		}
+
+		if ($data['trial_status'] && $data['trial_duration']) {
+			$date_next = date('Y-m-d', strtotime('+' . $data['trial_cycle'] . ' ' . $data['trial_frequency']));
+		} else {
+			$date_next = date('Y-m-d', strtotime('+' . $data['cycle'] . ' ' . $data['frequency']));
+		}
+
+		$this->db->query("UPDATE `" . DB_PREFIX . "subscription` SET 
+			`order_product_id` = '" . (int)$data['order_product_id'] . "', 
+			`order_id` = '" . (int)$data['order_id'] . "', 
+			`store_id` = '" . (int)$data['store_id'] . "', 
+			`customer_id` = '" . (int)$data['customer_id'] . "', 
+			`payment_address_id` = '" . (int)$data['payment_address_id'] . "', 
+			`payment_method` = '" . $this->db->escape($data['payment_method'] ? json_encode($data['payment_method']) : '') . "', 
+			`shipping_address_id` = '" . (int)$data['shipping_address_id'] . "', 
+			`shipping_method` = '" . $this->db->escape($data['shipping_method'] ? json_encode($data['shipping_method']) :  '') . "',
+			`product_id` = '" . (int)$data['product_id'] . "', 
+			`subscription_plan_id` = '" . (int)$data['subscription_plan_id'] . "', 
+			`trial_price` = '" . (float)$data['trial_price'] . "', 
+			`trial_frequency` = '" . $this->db->escape($data['trial_frequency']) . "', 
+			`trial_cycle` = '" . (int)$data['trial_cycle'] . "', 
+			`trial_duration` = '" . (int)$data['trial_duration'] . "', 
+			`trial_remaining` = '" . (int)$trial_remaining . "', 
+			`trial_status` = '" . (int)$data['trial_status'] . "', 
+			`price` = '" . (float)$data['price'] . "', 
+			`frequency` = '" . $this->db->escape($data['frequency']) . "', 
+			`cycle` = '" . (int)$data['cycle'] . "', 
+			`duration` = '" . (int)$data['duration'] . "', 
+			`remaining` = '" . (int)$remaining . "', 
+			`date_next` = '" . $this->db->escape($date_next) . "', 
+			`comment` = '" . $this->db->escape($data['comment']) . "', 
+			`affiliate_id` = '" . (int)$data['affiliate_id'] . "', 
+			`marketing_id` = '" . (int)$data['marketing_id'] . "', 
+			`tracking` = '" . $this->db->escape($data['tracking']) . "', 
+			`language_id` = '" . (int)$data['language_id'] . "', 
+			`currency_id` = '" . (int)$data['currency_id'] . "', 
+			`ip` = '" . $this->db->escape($data['ip']) . "', 
+			`forwarded_ip` = '" . $this->db->escape($data['forwarded_ip']) . "', 
+			`user_agent` = '" . $this->db->escape($data['user_agent']) . "', 
+			`accept_language` = '" . $this->db->escape($data['accept_language']) . "', 
+			`date_modified` = NOW()
+			WHERE `subscription_id` = '" . (int)$subscription_id . "'
+		");
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return void
+	 */
+	public function deleteSubscriptionByOrderId(int $order_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "subscription` WHERE `order_id` = '" . (int)$order_id . "'");
+	}
+
+	/**
+	 * @param int $order_id
+	 * @param int $order_product_id
+	 *
+	 * @return array
+	 */
+	public function getSubscriptionByOrderProductId(int $order_id, int $order_product_id): array {
+		$subscription_data = [];
+
+		$query = $this->db->query("SELECT * FROM  `" . DB_PREFIX . "subscription` WHERE `order_id` = '" . (int)$order_id . "' AND `order_product_id` = '" . (int)$order_product_id . "'");
+
+		if ($query->num_rows) {
+			$subscription_data = $query->row;
+
+			$subscription_data['payment_method'] = ($query->row['payment_method'] ? json_decode($query->row['payment_method'], true) : '');
+			$subscription_data['shipping_method'] = ($query->row['shipping_method'] ? json_decode($query->row['shipping_method'], true) : '');
+		}
+
+		return $subscription_data;
+	}
+
+	/**
+	 * @param int    $subscription_id
+	 * @param int    $subscription_status_id
+	 * @param string $comment
+	 * @param bool   $notify
+	 *
+	 * @return void
+	 */
+	public function addHistory(int $subscription_id, int $subscription_status_id, string $comment = '', bool $notify = false): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "subscription_history` SET `subscription_id` = '" . (int)$subscription_id . "', `subscription_status_id` = '" . (int)$subscription_status_id . "', `comment` = '" . $this->db->escape($comment) . "', `notify` = '" . (int)$notify . "', `date_added` = NOW()");
+
+		$this->db->query("UPDATE `" . DB_PREFIX . "subscription` SET `subscription_status_id` = '" . (int)$subscription_status_id . "' WHERE `subscription_id` = '" . (int)$subscription_id . "'");
+	}
+
+	/**
+	 * @param int  $subscription_id
+	 * @param bool $subscription_status_id
+	 *
+	 * @return void
+	 */
+	public function editSubscriptionStatus(int $subscription_id, bool $subscription_status_id): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "subscription` SET `subscription_status_id` = '" . (int)$subscription_status_id . "' WHERE `subscription_id` = '" . (int)$subscription_id . "'");
+	}
+
+	/**
+	 * @param int $subscription_id
+	 * @param int $trial_remaining
+	 *
+	 * @return void
+	 */
+	public function editTrialRemaining(int $subscription_id, int $trial_remaining): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "subscription` SET `trial_remaining` = '" . (int)$trial_remaining . "' WHERE `subscription_id` = '" . (int)$subscription_id . "'");
+	}
+
+	/**
+	 * @param int    $subscription_id
+	 * @param string $date_next
+	 *
+	 * @return void
+	 */
+	public function editDateNext(int $subscription_id, string $date_next): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "subscription` SET `date_next` = '" . $this->db->escape($date_next) . "' WHERE `subscription_id` = '" . (int)$subscription_id . "'");
+	}
+}

catalog/model/checkout/voucher.php

@@ -0,0 +1,105 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class Voucher
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class Voucher extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int   $order_id
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addVoucher(int $order_id, array $data): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "voucher` SET `order_id` = '" . (int)$order_id . "', `code` = '" . $this->db->escape((string)$data['code']) . "', `from_name` = '" . $this->db->escape((string)$data['from_name']) . "', `from_email` = '" . $this->db->escape((string)$data['from_email']) . "', `to_name` = '" . $this->db->escape((string)$data['to_name']) . "', `to_email` = '" . $this->db->escape((string)$data['to_email']) . "', `voucher_theme_id` = '" . (int)$data['voucher_theme_id'] . "', `message` = '" . $this->db->escape((string)$data['message']) . "', `amount` = '" . (float)$data['amount'] . "', `status` = '1', `date_added` = NOW()");
+
+		return $this->db->getLastId();
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return void
+	 */
+	public function disableVoucher(int $order_id): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "voucher` SET `status` = '0' WHERE `order_id` = '" . (int)$order_id . "'");
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getVoucher(string $code): array {
+		$status = true;
+
+		$voucher_query = $this->db->query("SELECT *, vtd.`name` AS theme FROM `" . DB_PREFIX . "voucher` v LEFT JOIN `" . DB_PREFIX . "voucher_theme` vt ON (v.`voucher_theme_id` = vt.`voucher_theme_id`) LEFT JOIN `" . DB_PREFIX . "voucher_theme_description` vtd ON (vt.`voucher_theme_id` = vtd.`voucher_theme_id`) WHERE v.`code` = '" . $this->db->escape($code) . "' AND vtd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND v.`status` = '1'");
+
+		if ($voucher_query->num_rows) {
+			if ($voucher_query->row['order_id']) {
+				$implode = [];
+
+				foreach ($this->config->get('config_complete_status') as $order_status_id) {
+					$implode[] = "'" . (int)$order_status_id . "'";
+				}
+
+				$order_query = $this->db->query("SELECT `order_id` FROM `" . DB_PREFIX . "order` WHERE `order_id` = '" . (int)$voucher_query->row['order_id'] . "' AND `order_status_id` IN(" . implode(",", $implode) . ")");
+
+				if (!$order_query->num_rows) {
+					$status = false;
+				}
+
+				$order_voucher_query = $this->db->query("SELECT `order_voucher_id` FROM `" . DB_PREFIX . "order_voucher` WHERE `order_id` = '" . (int)$voucher_query->row['order_id'] . "' AND `voucher_id` = '" . (int)$voucher_query->row['voucher_id'] . "'");
+
+				if (!$order_voucher_query->num_rows) {
+					$status = false;
+				}
+			}
+
+			$voucher_history_query = $this->db->query("SELECT SUM(`amount`) AS `total` FROM `" . DB_PREFIX . "voucher_history` vh WHERE vh.`voucher_id` = '" . (int)$voucher_query->row['voucher_id'] . "' GROUP BY vh.`voucher_id`");
+
+			if ($voucher_history_query->num_rows) {
+				$amount = $voucher_query->row['amount'] + $voucher_history_query->row['total'];
+			} else {
+				$amount = $voucher_query->row['amount'];
+			}
+
+			if ($amount <= 0) {
+				$status = false;
+			}
+		} else {
+			$status = false;
+		}
+
+		if ($status) {
+			return [
+				'voucher_id'       => $voucher_query->row['voucher_id'],
+				'code'             => $voucher_query->row['code'],
+				'from_name'        => $voucher_query->row['from_name'],
+				'from_email'       => $voucher_query->row['from_email'],
+				'to_name'          => $voucher_query->row['to_name'],
+				'to_email'         => $voucher_query->row['to_email'],
+				'voucher_theme_id' => $voucher_query->row['voucher_theme_id'],
+				'theme'            => $voucher_query->row['theme'],
+				'message'          => $voucher_query->row['message'],
+				'image'            => $voucher_query->row['image'],
+				'amount'           => $amount,
+				'status'           => $voucher_query->row['status'],
+				'date_added'       => $voucher_query->row['date_added']
+			];
+		} else {
+			return [];
+		}
+	}
+
+	/**
+	 * @param int $order_id
+	 *
+	 * @return void
+	 */
+	public function deleteVoucherByOrderId(int $order_id): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "voucher` WHERE `order_id` = '" . (int)$order_id . "'");
+	}
+}

catalog/model/checkout/voucher_theme.php

@@ -0,0 +1,58 @@
+<?php
+namespace Opencart\Catalog\Model\Checkout;
+/**
+ * Class VoucherTheme
+ *
+ * @package Opencart\Catalog\Model\Checkout
+ */
+class VoucherTheme extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $voucher_theme_id
+	 *
+	 * @return array
+	 */
+	public function getVoucherTheme(int $voucher_theme_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "voucher_theme` vt LEFT JOIN `" . DB_PREFIX . "voucher_theme_description` vtd ON (vt.`voucher_theme_id` = vtd.`voucher_theme_id`) WHERE vt.`voucher_theme_id` = '" . (int)$voucher_theme_id . "' AND vtd.`language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getVoucherThemes(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "voucher_theme` vt LEFT JOIN `" . DB_PREFIX . "voucher_theme_description` vtd ON (vt.`voucher_theme_id` = vtd.`voucher_theme_id`) WHERE vtd.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY vtd.`name`";
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$voucher_theme_data = $this->cache->get('voucher_theme.' . md5($sql));
+
+		if (!$voucher_theme_data) {
+			$query = $this->db->query($sql);
+
+			$voucher_theme_data = $query->rows;
+
+			$this->cache->set('voucher_theme.' . md5($sql), $voucher_theme_data);
+		}
+
+		return $voucher_theme_data;
+	}
+}

catalog/model/cms/article.php

@@ -0,0 +1,218 @@
+<?php
+namespace Opencart\Catalog\Model\Cms;
+/**
+ * Class Article
+ *
+ * @package Opencart\Catalog\Model\Cms
+ */
+class Article extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $article_id
+	 *
+	 * @return array
+	 */
+	public function getArticle(int $article_id): array {
+		$sql = "SELECT DISTINCT * FROM `" . DB_PREFIX . "article` `a` LEFT JOIN `" . DB_PREFIX . "article_description` `ad` ON (`a`.`article_id` = `ad`.`article_id`) LEFT JOIN `" . DB_PREFIX . "article_to_store` `a2s` ON (`a`.`article_id` = `a2s`.`article_id`) WHERE `a`.`article_id` = '" . (int)$article_id . "' AND `ad`.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND `a2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "'";
+
+		$article_data = $this->cache->get('article.'. md5($sql));
+
+		if (!$article_data) {
+			$query = $this->db->query($sql);
+
+			$article_data = $query->row;
+
+			$this->cache->set('article.'. md5($sql), $article_data);
+		}
+
+		return $article_data;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getArticles(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "article` `a` LEFT JOIN `" . DB_PREFIX . "article_description` `ad` ON (`a`.`article_id` = `ad`.`article_id`) LEFT JOIN `" . DB_PREFIX . "article_to_store` `a2s` ON (`a`.`article_id` = `a2s`.`article_id`) WHERE `ad`.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND `a2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "'";
+
+		if (!empty($data['filter_search'])) {
+			$sql .= " AND (";
+
+			$implode = [];
+
+			$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_search'])));
+
+			foreach ($words as $word) {
+				$implode[] = "`bd`.`name` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+			}
+
+			if ($implode) {
+				$sql .= " (" . implode(" OR ", $implode) . ")";
+			}
+
+			$sql .= " OR `bd`.`description` LIKE '" . $this->db->escape('%' . (string)$data['filter_search'] . '%') . "'";
+
+			$implode = [];
+
+			foreach ($words as $word) {
+				$implode[] = "`bd`.`tag` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+			}
+
+			if ($implode) {
+				$sql .= " OR (" . implode(" OR ", $implode) . ")";
+			}
+
+			$sql .= ")";
+		}
+
+		if (!empty($data['filter_topic_id'])) {
+			$sql .= " AND `a`.`topic_id` = '" . (int)$data['filter_topic_id'] . "'";
+		}
+
+		if (!empty($data['filter_author'])) {
+			$sql .= " AND `a`.`author` = '" . (int)$data['filter_author'] . "'";
+		}
+
+		$sql .= " ORDER BY `a`.`date_added` DESC";
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$article_data = $this->cache->get('article.'. md5($sql));
+
+		if (!$article_data) {
+			$query = $this->db->query($sql);
+
+			$article_data = $query->rows;
+
+			$this->cache->set('article.'. md5($sql), $article_data);
+		}
+
+		return $article_data;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalArticles(): int {
+		$sql = "SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "article` `a` LEFT JOIN `" . DB_PREFIX . "article_description` `ad` ON (`a`.`article_id` = `ad`.`article_id`) LEFT JOIN `" . DB_PREFIX . "article_to_store` `a2s` ON (`a`.`article_id` = `a2s`.`article_id`) WHERE `ad`.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND `a2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "'";
+
+		if (!empty($data['filter_search'])) {
+			$sql .= " AND (";
+
+			$implode = [];
+
+			$words = explode(' ', trim(preg_replace('/\s+/', ' ', $data['filter_search'])));
+
+			foreach ($words as $word) {
+				$implode[] = "`ad`.`name` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+			}
+
+			if ($implode) {
+				$sql .= " (" . implode(" OR ", $implode) . ")";
+			}
+
+			$sql .= " OR `ad`.`description` LIKE '" . $this->db->escape('%' . (string)$data['filter_search'] . '%') . "'";
+
+			$implode = [];
+
+			foreach ($words as $word) {
+				$implode[] = "`ad`.`tag` LIKE '" . $this->db->escape('%' . $word . '%') . "'";
+			}
+
+			if ($implode) {
+				$sql .= " OR (" . implode(" OR ", $implode) . ")";
+			}
+
+			$sql .= ")";
+		}
+
+		if (!empty($data['filter_topic_id'])) {
+			$sql .= " AND `a`.`topic_id` = '" . (int)$data['filter_topic_id'] . "'";
+		}
+
+		if (!empty($data['filter_author'])) {
+			$sql .= " AND `a`.`author` = '" . (int)$data['filter_author'] . "'";
+		}
+
+		$query = $this->db->query($sql);
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param int $article_id
+	 *
+	 * @return array
+	 */
+	public function getLayoutId(int $article_id): int {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "article_to_layout` WHERE `article_id` = '" . (int)$article_id . "' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "'");
+
+		if ($query->num_rows) {
+			return (int)$query->row['layout_id'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int   $product_id
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function addComment(int $article_id, array $data): int {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "article_comment` SET `article_id` = '" . (int)$article_id . "', `customer_id` = '" . (int)$this->customer->getId() . "', `author` = '" . $this->db->escape((string)$data['author']) . "', `comment` = '" . $this->db->escape((string)$data['comment']) . "', `status` = '" . (bool)!empty($data['status']) . "', `date_added` = NOW()");
+
+		return $this->db->getLastId();
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getComments(int $article_id, int $start = 0, int $limit = 10): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 10;
+		}
+
+		$sql = "SELECT * FROM `" . DB_PREFIX . "article_comment` WHERE `article_id` = '" . (int)$article_id . "' AND `status` = '1' ORDER BY `date_added` DESC LIMIT " . (int)$start . "," . (int)$limit;
+
+		$comment_data = $this->cache->get('comment.'. md5($sql));
+
+		if (!$comment_data) {
+			$query = $this->db->query($sql);
+
+			$comment_data = $query->rows;
+
+			$this->cache->set('comment.'. md5($sql), $comment_data);
+		}
+
+		return $comment_data;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return int
+	 */
+	public function getTotalComments(int $article_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "article_comment` WHERE `article_id` = '" . (int)$article_id . "' AND `status` = '1'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/cms/topic.php

@@ -0,0 +1,48 @@
+<?php
+namespace Opencart\Catalog\Model\Cms;
+/**
+ * Class Topic
+ *
+ * @package Opencart\Catalog\Model\Cms
+ */
+class Topic extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $topic_id
+	 *
+	 * @return array
+	 */
+	public function getTopic(int $topic_id): array {
+		$sql = "SELECT DISTINCT * FROM `" . DB_PREFIX . "topic` `t` LEFT JOIN `" . DB_PREFIX . "topic_description` `td` ON (`t`.`topic_id` = `td`.`topic_id`) LEFT JOIN `" . DB_PREFIX . "topic_to_store` `t2s` ON (`t`.`topic_id` = `t2s`.`topic_id`) WHERE `t`.`topic_id` = '" . (int)$topic_id . "' AND `td`.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND `t2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "'";
+
+		$topic_data = $this->cache->get('topic.'. md5($sql));
+
+		if (!$topic_data) {
+			$query = $this->db->query($sql);
+
+			$topic_data = $query->rows;
+
+			$this->cache->set('topic.'. md5($sql), $topic_data);
+		}
+
+		return $topic_data;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getTopics(): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "topic` `t` LEFT JOIN `" . DB_PREFIX . "topic_description` `td` ON (`t`.`topic_id` = `td`.`topic_id`) LEFT JOIN `" . DB_PREFIX . "topic_to_store` `t2s` ON (`t`.`topic_id` = `t2s`.`topic_id`) WHERE `td`.`language_id` = '" . (int)$this->config->get('config_language_id') . "' AND `t2s`.`store_id` = '" . (int)$this->config->get('config_store_id') . "' ORDER BY `t`.`sort_order` DESC";
+
+		$topic_data = $this->cache->get('topic.'. md5($sql));
+
+		if (!$topic_data) {
+			$query = $this->db->query($sql);
+
+			$topic_data = $query->rows;
+
+			$this->cache->set('topic.'. md5($sql), $topic_data);
+		}
+
+		return $topic_data;
+	}
+}

catalog/model/design/banner.php

@@ -0,0 +1,19 @@
+<?php
+namespace Opencart\Catalog\Model\Design;
+/**
+ * Class Banner
+ *
+ * @package Opencart\Catalog\Model\Design
+ */
+class Banner extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $banner_id
+	 *
+	 * @return array
+	 */
+	public function getBanner(int $banner_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "banner` b LEFT JOIN `" . DB_PREFIX . "banner_image` bi ON (b.`banner_id` = bi.`banner_id`) WHERE b.`banner_id` = '" . (int)$banner_id . "' AND b.`status` = '1' AND bi.`language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY bi.`sort_order` ASC");
+
+		return $query->rows;
+	}
+}

catalog/model/design/layout.php

@@ -0,0 +1,35 @@
+<?php
+namespace Opencart\Catalog\Model\Design;
+/**
+ * Class Layout
+ *
+ * @package Opencart\Catalog\Model\Design
+ */
+class Layout extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $route
+	 *
+	 * @return int
+	 */
+	public function getLayout(string $route): int {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "layout_route` WHERE '" . $this->db->escape($route) . "' LIKE `route` AND `store_id` = '" . (int)$this->config->get('config_store_id') . "' ORDER BY `route` DESC LIMIT 1");
+
+		if ($query->num_rows) {
+			return (int)$query->row['layout_id'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param int    $layout_id
+	 * @param string $position
+	 *
+	 * @return array
+	 */
+	public function getModules(int $layout_id, string $position): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "layout_module` WHERE `layout_id` = '" . (int)$layout_id . "' AND `position` = '" . $this->db->escape($position) . "' ORDER BY `sort_order`");
+		
+		return $query->rows;
+	}
+}

catalog/model/design/seo_url.php

@@ -0,0 +1,31 @@
+<?php
+namespace Opencart\Catalog\Model\Design;
+/**
+ * Class Seo Url
+ *
+ * @package Opencart\Catalog\Model\Design
+ */
+class SeoUrl extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $keyword
+	 *
+	 * @return array
+	 */
+	public function getSeoUrlByKeyword(string $keyword): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "seo_url` WHERE (`keyword` = '" . $this->db->escape($keyword) . "' OR `keyword` LIKE '" . $this->db->escape('%/' . $keyword) . "') AND `store_id` = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $key
+	 * @param string $value
+	 *
+	 * @return array
+	 */
+	public function getSeoUrlByKeyValue(string $key, string $value): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "seo_url` WHERE `key` = '" . $this->db->escape($key) . "' AND `value` = '" . $this->db->escape($value) . "' AND `store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+}

catalog/model/design/theme.php

@@ -0,0 +1,19 @@
+<?php
+namespace Opencart\Catalog\Model\Design;
+/**
+ * Class Theme
+ *
+ * @package Opencart\Catalog\Model\Design
+ */
+class Theme extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $route
+	 *
+	 * @return array
+	 */
+	public function getTheme(string $route): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "theme` WHERE `store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `route` = '" . $this->db->escape($route) . "'");
+
+		return $query->row;
+	}
+}

catalog/model/design/translation.php

@@ -0,0 +1,19 @@
+<?php
+namespace Opencart\Catalog\Model\Design;
+/**
+ * Class Translation
+ *
+ * @package Opencart\Catalog\Model\Design
+ */
+class Translation extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $route
+	 *
+	 * @return array
+	 */
+	public function getTranslations(string $route): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "translation` WHERE `store_id` = '" . (int)$this->config->get('config_store_id') . "' AND `language_id` = '" . (int)$this->config->get('config_language_id') . "' AND `route` = '" . $this->db->escape($route) . "'");
+
+		return $query->rows;
+	}
+}

catalog/model/localisation/country.php

@@ -0,0 +1,80 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class Country
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class Country extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $country_id
+	 *
+	 * @return array
+	 */
+	public function getCountry(int $country_id): array {
+		$query = $this->db->query("SELECT *, `c`.`name` FROM `" . DB_PREFIX . "country` `c` LEFT JOIN `" . DB_PREFIX . "address_format` af ON (`c`.`address_format_id` = `af`.`address_format_id`) WHERE `c`.`country_id` = '" . (int)$country_id . "' AND `c`.`status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param $iso_code_2
+	 *
+	 * @return array
+	 */
+	public function getCountryByIsoCode2($iso_code_2): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "country` WHERE `iso_code_2` = '" . $this->db->escape($iso_code_2) . "' AND `status` = '1'";
+
+		$country_data = $this->cache->get('country.'. md5($sql));
+
+		if (!$country_data) {
+			$query = $this->db->query($sql);
+
+			$country_data = $query->rows;
+
+			$this->cache->set('country.'. md5($sql), $country_data);
+		}
+
+		return $country_data;
+	}
+
+	/**
+	 * @param $iso_code_3
+	 *
+	 * @return array
+	 */
+	public function getCountryByIsoCode3($iso_code_3): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "country` WHERE `iso_code_3` = '" . $this->db->escape($iso_code_3) . "' AND `status` = '1'";
+
+		$country_data = $this->cache->get('country.'. md5($sql));
+
+		if (!$country_data) {
+			$query = $this->db->query($sql);
+
+			$country_data = $query->rows;
+
+			$this->cache->set('country.'. md5($sql), $country_data);
+		}
+
+		return $country_data;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getCountries(): array {
+		$sql = "SELECT *, c.`name` FROM `" . DB_PREFIX . "country` c LEFT JOIN `" . DB_PREFIX . "address_format` `af` ON (c.`address_format_id` = af.`address_format_id`) WHERE `c`.`status` = '1' ORDER BY `c`.`name` ASC";
+
+		$country_data = $this->cache->get('country.'. md5($sql));
+
+		if (!$country_data) {
+			$query = $this->db->query($sql);
+
+			$country_data = $query->rows;
+
+			$this->cache->set('country.'. md5($sql), $country_data);
+		}
+
+		return $country_data;
+	}
+}

catalog/model/localisation/currency.php

@@ -0,0 +1,75 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class Currency
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class Currency extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $code
+	 * @param float  $value
+	 *
+	 * @return void
+	 */
+	public function editValueByCode(string $code, float $value): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "currency` SET `value` = '" . (float)$value . "', `date_modified` = NOW() WHERE `code` = '" . $this->db->escape($code) . "'");
+
+		$this->cache->delete('currency');
+	}
+
+	/**
+	 * @param int $currency_id
+	 *
+	 * @return array
+	 */
+	public function getCurrency(int $currency_id): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "currency` WHERE `currency_id` = '" . $this->db->escape($currency_id) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $currency
+	 *
+	 * @return array
+	 */
+	public function getCurrencyByCode(string $currency): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "currency` WHERE `code` = '" . $this->db->escape($currency) . "' AND `status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getCurrencies(): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "currency` WHERE `status` = '1' ORDER BY `title` ASC";
+
+		$currency_data = $this->cache->get('currency.' . md5($sql));
+
+		if (!$currency_data) {
+			$currency_data = [];
+
+			$query = $this->db->query($sql);
+
+			foreach ($query->rows as $result) {
+				$currency_data[$result['code']] = [
+					'currency_id'   => $result['currency_id'],
+					'title'         => $result['title'],
+					'code'          => $result['code'],
+					'symbol_left'   => $result['symbol_left'],
+					'symbol_right'  => $result['symbol_right'],
+					'decimal_place' => $result['decimal_place'],
+					'value'         => $result['value'],
+					'status'        => $result['status'],
+					'date_modified' => $result['date_modified']
+				];
+			}
+
+			$this->cache->set('currency.' . md5($sql), $currency_data);
+		}
+
+		return $currency_data;
+	}
+}

catalog/model/localisation/language.php

@@ -0,0 +1,117 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class Language
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class Language extends \Opencart\System\Engine\Model {
+	/**
+	 * @var array
+	 */
+	private array $data = [];
+
+	/**
+	 * @param int $language_id
+	 *
+	 * @return array
+	 */
+	public function getLanguage(int $language_id): array {
+		if (isset($this->data[$language_id])) {
+			return $this->data[$language_id];
+		}
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "language` WHERE `language_id` = '" . (int)$language_id . "'");
+
+		$language = $query->row;
+
+		if ($language) {
+			$language['image'] = HTTP_SERVER;
+
+			if (!$language['extension']) {
+				$language['image'] .= 'catalog/';
+			} else {
+				$language['image'] .= 'extension/' . $language['extension'] . '/catalog/';
+			}
+
+			$language['image'] .= 'language/' . $language['code'] . '/' . $language['code'] . '.png';
+		}
+
+		$this->data[$language_id] = $language;
+
+		return $language;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getLanguageByCode(string $code): array {
+		if (isset($this->data[$code])) {
+			return $this->data[$code];
+		}
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "language` WHERE `code` = '" . $this->db->escape($code) . "'");
+
+		$language = $query->row;
+
+		if ($language) {
+			$language['image'] = HTTP_SERVER;
+
+			if (!$language['extension']) {
+				$language['image'] .= 'catalog/';
+			} else {
+				$language['image'] .= 'extension/' . $language['extension'] . '/catalog/';
+			}
+
+			$language['image'] .= 'language/' . $language['code'] . '/' . $language['code'] . '.png';
+		}
+
+		$this->data[$code] = $language;
+
+		return $language;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getLanguages(): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "language` WHERE `status` = '1' ORDER BY `sort_order`, `name`";
+
+		$results = (array)$this->cache->get('language.' . md5($sql));
+
+		if (!$results) {
+			$query = $this->db->query($sql);
+
+			$results = $query->rows;
+
+			$this->cache->set('language.' . md5($sql), $results);
+		}
+
+		$language_data = [];
+
+		foreach ($results as $result) {
+			$image = HTTP_SERVER;
+
+			if (!$result['extension']) {
+				$image .= 'catalog/';
+			} else {
+				$image .= 'extension/' . $result['extension'] . '/catalog/';
+			}
+
+			$language_data[$result['code']] = [
+				'language_id' => $result['language_id'],
+				'name'        => $result['name'],
+				'code'        => $result['code'],
+				'image'       => $image . 'language/' . $result['code'] . '/' . $result['code'] . '.png',
+				'locale'      => $result['locale'],
+				'extension'   => $result['extension'],
+				'sort_order'  => $result['sort_order'],
+				'status'      => $result['status']
+			];
+		}
+
+		return $language_data;
+	}
+}

catalog/model/localisation/location.php

@@ -0,0 +1,19 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class Location
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class Location extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $location_id
+	 *
+	 * @return array
+	 */
+	public function getLocation(int $location_id): array {
+		$query = $this->db->query("SELECT `location_id`, `name`, `address`, `geocode`, `telephone`, `image`, `open`, `comment` FROM `" . DB_PREFIX . "location` WHERE `location_id` = '" . (int)$location_id . "'");
+
+		return $query->row;
+	}
+}

catalog/model/localisation/order_status.php

@@ -0,0 +1,38 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class OrderStatus
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class OrderStatus extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $order_status_id
+	 *
+	 * @return array
+	 */
+	public function getOrderStatus(int $order_status_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_status` WHERE `order_status_id` = '" . (int)$order_status_id . "' AND `language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getOrderStatuses(): array {
+		$sql = "SELECT `order_status_id`, `name` FROM `" . DB_PREFIX . "order_status` WHERE `language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY `name`";
+
+		$order_status_data = $this->cache->get('order_status.' . md5($sql));
+
+		if (!$order_status_data) {
+			$query = $this->db->query($sql);
+
+			$order_status_data = $query->rows;
+
+			$this->cache->set('order_status.' . md5($sql), $order_status_data);
+		}
+		
+		return $order_status_data;
+	}
+}

catalog/model/localisation/return_reason.php

@@ -0,0 +1,47 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class ReturnReason
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class ReturnReason extends \Opencart\System\Engine\Model {
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getReturnReasons(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "return_reason` WHERE `language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY `name`";
+
+		if (isset($data['return']) && ($data['return'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$return_reason_data = $this->cache->get('return_reason.' . md5($sql));
+
+		if (!$return_reason_data) {
+			$query = $this->db->query($sql);
+
+			$return_reason_data = $query->rows;
+
+			$this->cache->set('return_reason.' . md5($sql), $return_reason_data);
+		}
+
+		return $return_reason_data;
+	}
+}

catalog/model/localisation/stock_status.php

@@ -0,0 +1,58 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class StockStatus
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class StockStatus extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $stock_status_id
+	 *
+	 * @return array
+	 */
+	public function getStockStatus(int $stock_status_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "stock_status` WHERE `stock_status_id` = '" . (int)$stock_status_id . "' AND `language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param array $data
+	 *
+	 * @return array
+	 */
+	public function getStockStatuses(array $data = []): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "stock_status` WHERE `language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY `name`";
+
+		if (isset($data['order']) && ($data['order'] == 'DESC')) {
+			$sql .= " DESC";
+		} else {
+			$sql .= " ASC";
+		}
+
+		if (isset($data['start']) || isset($data['limit'])) {
+			if ($data['start'] < 0) {
+				$data['start'] = 0;
+			}
+
+			if ($data['limit'] < 1) {
+				$data['limit'] = 20;
+			}
+
+			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
+		}
+
+		$stock_status_data = $this->cache->get('stock_status.'. md5($sql));
+
+		if (!$stock_status_data) {
+			$query = $this->db->query($sql);
+
+			$stock_status_data = $query->rows;
+
+			$this->cache->set('stock_status.'. md5($sql), $stock_status_data);
+		}
+
+		return $stock_status_data;
+	}
+}

catalog/model/localisation/subscription_status.php

@@ -0,0 +1,38 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class SubscriptionStatus
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class SubscriptionStatus extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $subscription_status_id
+	 *
+	 * @return array
+	 */
+	public function getSubscriptionStatus(int $subscription_status_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "subscription_status` WHERE `subscription_status_id` = '" . (int)$subscription_status_id . "' AND `language_id` = '" . (int)$this->config->get('config_language_id') . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getSubscriptionStatuses(): array {
+		$sql = "SELECT `subscription_status_id`, `name` FROM `" . DB_PREFIX . "subscription_status` WHERE `language_id` = '" . (int)$this->config->get('config_language_id') . "' ORDER BY `name`";
+
+		$subscription_status_data = $this->cache->get('subscription_status.'. md5($sql));
+
+		if (!$subscription_status_data) {
+			$query = $this->db->query($sql);
+
+			$subscription_status_data = $query->rows;
+
+			$this->cache->set('subscription_status.'. md5($sql), $subscription_status_data);
+		}
+
+		return $subscription_status_data;
+	}
+}

catalog/model/localisation/zone.php

@@ -0,0 +1,40 @@
+<?php
+namespace Opencart\Catalog\Model\Localisation;
+/**
+ * Class Zone
+ *
+ * @package Opencart\Catalog\Model\Localisation
+ */
+class Zone extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $zone_id
+	 *
+	 * @return array
+	 */
+	public function getZone(int $zone_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "zone` WHERE `zone_id` = '" . (int)$zone_id . "' AND `status` = '1'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $country_id
+	 *
+	 * @return array
+	 */
+	public function getZonesByCountryId(int $country_id): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "zone` WHERE `country_id` = '" . (int)$country_id . "' AND `status` = '1' ORDER BY `name`";
+
+		$zone_data = $this->cache->get('zone.' . md5($sql));
+
+		if (!$zone_data) {
+			$query = $this->db->query($sql);
+
+			$zone_data = $query->rows;
+
+			$this->cache->set('zone.' . md5($sql), $zone_data);
+		}
+
+		return $zone_data;
+	}
+}

catalog/model/marketing/coupon.php

@@ -0,0 +1,133 @@
+<?php
+namespace Opencart\Catalog\Model\Marketing;
+/**
+ * Class Coupon
+ *
+ * @package Opencart\Catalog\Model\Marketing
+ */
+class Coupon extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getCoupon(string $code): array {
+		$status = true;
+
+		$coupon_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "coupon` WHERE `code` = '" . $this->db->escape($code) . "' AND ((`date_start` = '0000-00-00' OR `date_start` < NOW()) AND (`date_end` = '0000-00-00' OR `date_end` > NOW())) AND `status` = '1'");
+
+		if ($coupon_query->num_rows) {
+			if ($coupon_query->row['total'] > $this->cart->getSubTotal()) {
+				$status = false;
+			}
+
+			$coupon_total = $this->getTotalHistoriesByCoupon($code);
+
+			if ($coupon_query->row['uses_total'] > 0 && ($coupon_total >= $coupon_query->row['uses_total'])) {
+				$status = false;
+			}
+
+			if ($coupon_query->row['logged'] && !$this->customer->getId()) {
+				$status = false;
+			}
+
+			if ($this->customer->getId()) {
+				$customer_total = $this->getTotalHistoriesByCustomerId($code, $this->customer->getId());
+
+				if ($coupon_query->row['uses_customer'] > 0 && ($customer_total >= $coupon_query->row['uses_customer'])) {
+					$status = false;
+				}
+			}
+
+			// Products
+			$coupon_product_data = [];
+
+			$coupon_product_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "coupon_product` WHERE `coupon_id` = '" . (int)$coupon_query->row['coupon_id'] . "'");
+
+			foreach ($coupon_product_query->rows as $product) {
+				$coupon_product_data[] = $product['product_id'];
+			}
+
+			// Categories
+			$coupon_category_data = [];
+
+			$coupon_category_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "coupon_category` cc LEFT JOIN `" . DB_PREFIX . "category_path` cp ON (cc.`category_id` = cp.`path_id`) WHERE cc.`coupon_id` = '" . (int)$coupon_query->row['coupon_id'] . "'");
+
+			foreach ($coupon_category_query->rows as $category) {
+				$coupon_category_data[] = $category['category_id'];
+			}
+
+			$product_data = [];
+
+			if ($coupon_product_data || $coupon_category_data) {
+				foreach ($this->cart->getProducts() as $product) {
+					if (in_array($product['product_id'], $coupon_product_data)) {
+						$product_data[] = $product['product_id'];
+
+						continue;
+					}
+
+					foreach ($coupon_category_data as $category_id) {
+						$coupon_category_query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "product_to_category` WHERE `product_id` = '" . (int)$product['product_id'] . "' AND `category_id` = '" . (int)$category_id . "'");
+
+						if ($coupon_category_query->row['total']) {
+							$product_data[] = $product['product_id'];
+
+							continue;
+						}
+					}
+				}
+
+				if (!$product_data) {
+					$status = false;
+				}
+			}
+		} else {
+			$status = false;
+		}
+
+		if ($status) {
+			return [
+				'coupon_id'     => $coupon_query->row['coupon_id'],
+				'code'          => $coupon_query->row['code'],
+				'name'          => $coupon_query->row['name'],
+				'type'          => $coupon_query->row['type'],
+				'discount'      => $coupon_query->row['discount'],
+				'shipping'      => $coupon_query->row['shipping'],
+				'total'         => $coupon_query->row['total'],
+				'product'       => $product_data,
+				'date_start'    => $coupon_query->row['date_start'],
+				'date_end'      => $coupon_query->row['date_end'],
+				'uses_total'    => $coupon_query->row['uses_total'],
+				'uses_customer' => $coupon_query->row['uses_customer'],
+				'status'        => $coupon_query->row['status'],
+				'date_added'    => $coupon_query->row['date_added']
+			];
+		} else {
+			return [];
+		}
+	}
+
+	/**
+	 * @param string $coupon
+	 *
+	 * @return int
+	 */
+	public function getTotalHistoriesByCoupon(string $coupon): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "coupon_history` ch LEFT JOIN `" . DB_PREFIX . "coupon` c ON (ch.`coupon_id` = c.`coupon_id`) WHERE c.`code` = '" . $this->db->escape($coupon) . "'");
+
+		return (int)$query->row['total'];
+	}
+
+	/**
+	 * @param string $coupon
+	 * @param int    $customer_id
+	 *
+	 * @return int
+	 */
+	public function getTotalHistoriesByCustomerId(string $coupon, int $customer_id): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "coupon_history` ch LEFT JOIN `" . DB_PREFIX . "coupon` c ON (ch.`coupon_id` = c.`coupon_id`) WHERE c.`code` = '" . $this->db->escape($coupon) . "' AND ch.`customer_id` = '" . (int)$customer_id . "'");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/marketing/marketing.php

@@ -0,0 +1,30 @@
+<?php
+namespace Opencart\Catalog\Model\Marketing;
+/**
+ * Class Marketing
+ *
+ * @package Opencart\Catalog\Model\Marketing
+ */
+class Marketing extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getMarketingByCode(string $code): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "marketing` WHERE `code` = '" . $this->db->escape($code) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int    $marketing_id
+	 * @param string $ip
+	 * @param string $country
+	 *
+	 * @return void
+	 */
+	public function addReport(int $marketing_id, string $ip, string $country = ''): void {
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "marketing_report` SET `marketing_id` = '" . (int)$marketing_id . "', `store_id` = '" . (int)$this->config->get('config_store_id') . "', `ip` = '" . $this->db->escape($ip) . "', `country` = '" . $this->db->escape($country) . "', `date_added` = NOW()");
+	}
+}

catalog/model/report/statistics.php

@@ -0,0 +1,62 @@
+<?php
+namespace Opencart\Catalog\Model\Report;
+/**
+ * Class Statistics
+ *
+ * @package Opencart\Catalog\Model\Report
+ */
+class Statistics extends \Opencart\System\Engine\Model {
+	/**
+	 * @return array
+	 */
+	public function getStatistics(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "statistics`");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return float
+	 */
+	public function getValue(string $code): float {
+		$query = $this->db->query("SELECT `value` FROM `" . DB_PREFIX . "statistics` WHERE `code` = '" . $this->db->escape($code) . "'");
+
+		if ($query->num_rows) {
+			return $query->row['value'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @param string $code
+	 * @param float  $value
+	 *
+	 * @return void
+	 */
+	public function addValue(string $code, float $value): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "statistics` SET `value` = (`value` + '" . (float)$value . "') WHERE `code` = '" . $this->db->escape($code) . "'");
+	}
+
+	/**
+	 * @param string $code
+	 * @param float  $value
+	 *
+	 * @return void
+	 */
+	public function removeValue(string $code, float $value): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "statistics` SET `value` = (`value` - '" . (float)$value . "') WHERE `code` = '" . $this->db->escape($code) . "'");
+	}
+
+	/**
+	 * @param string $code
+	 * @param float  $value
+	 *
+	 * @return void
+	 */
+	public function editValue(string $code, float $value): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "statistics` SET `value` = '" . (float)$value . "' WHERE `code` = '" . $this->db->escape($code) . "'");
+	}	
+}

catalog/model/setting/api.php

@@ -0,0 +1,70 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Api
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Api extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $username
+	 * @param string $key
+	 *
+	 * @return array
+	 */
+	public function login(string $username, string $key): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "api` a LEFT JOIN `" . DB_PREFIX . "api_ip` ai ON (a.`api_id` = ai.`api_id`) WHERE a.`username` = '" . $this->db->escape($username) . "' AND a.`key` = '" . $this->db->escape($key) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $token
+	 *
+	 * @return array
+	 */
+	public function getApiByToken(string $token): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "api` a LEFT JOIN `" . DB_PREFIX . "api_session` `as` ON (a.`api_id` = `as`.`api_id`) LEFT JOIN `" . DB_PREFIX . "api_ip` ai ON (a.`api_id` = ai.`api_id`) WHERE a.`status` = '1' AND `as`.`session_id` = '" . $this->db->escape((string)$token) . "' AND ai.`ip` = '" . $this->db->escape((string)$this->request->server['REMOTE_ADDR']) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param int $api_id
+	 *
+	 * @return array
+	 */
+	public function getSessions(int $api_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "api_session` WHERE TIMESTAMPADD(HOUR, 1, `date_modified`) < NOW() AND `api_id` = '" . (int)$api_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param int $api_id
+	 *
+	 * @return array
+	 */
+	public function deleteSessions(int $api_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "api_session` WHERE TIMESTAMPADD(HOUR, 1, `date_modified`) < NOW() AND `api_id` = '" . (int)$api_id . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param string $api_session_id
+	 *
+	 * @return void
+	 */
+	public function updateSession(string $api_session_id): void {
+		// keep the session alive
+		$this->db->query("UPDATE `" . DB_PREFIX . "api_session` SET `date_modified` = NOW() WHERE `api_session_id` = '" . (int)$api_session_id . "'");
+	}
+
+	/**
+	 * @return void
+	 */
+	public function cleanSessions(): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "api_session` WHERE TIMESTAMPADD(HOUR, 1, `date_modified`) < NOW()");
+	}
+}

catalog/model/setting/cron.php

@@ -0,0 +1,67 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Cron
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Cron extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $cron_id
+	 *
+	 * @return void
+	 */
+	public function editCron(int $cron_id): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "cron` SET `date_modified` = NOW() WHERE `cron_id` = '" . (int)$cron_id . "'");
+	}
+
+	/**
+	 * @param int  $cron_id
+	 * @param bool $status
+	 *
+	 * @return void
+	 */
+	public function editStatus(int $cron_id, bool $status): void {
+		$this->db->query("UPDATE `" . DB_PREFIX . "cron` SET `status` = '" . (bool)$status . "' WHERE `cron_id` = '" . (int)$cron_id . "'");
+	}
+
+	/**
+	 * @param int $cron_id
+	 *
+	 * @return array
+	 */
+	public function getCron(int $cron_id): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "cron` WHERE `cron_id` = '" . (int)$cron_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getCronByCode(string $code): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "cron` WHERE `code` = '" . $this->db->escape($code) . "' LIMIT 1");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getCrons(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "cron` ORDER BY `date_modified` DESC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getTotalCrons(): int {
+		$query = $this->db->query("SELECT COUNT(*) AS `total` FROM `" . DB_PREFIX . "cron`");
+
+		return (int)$query->row['total'];
+	}
+}

catalog/model/setting/event.php

@@ -0,0 +1,17 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Event
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Event extends \Opencart\System\Engine\Model {
+	/**
+	 * @return array
+	 */
+	public function getEvents(): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "event` WHERE `status` = '1' ORDER BY `sort_order` ASC");
+
+		return $query->rows;
+	}
+}

catalog/model/setting/extension.php

@@ -0,0 +1,40 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Extension
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Extension extends \Opencart\System\Engine\Model {
+	/**
+	 * @return array
+	 */
+	public function getExtensions(): array {
+		$query = $this->db->query("SELECT DISTINCT `extension` FROM `" . DB_PREFIX . "extension`");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param string $type
+	 *
+	 * @return array
+	 */
+	public function getExtensionsByType(string $type): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "extension` WHERE `type` = '" . $this->db->escape($type) . "'");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param string $type
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getExtensionByCode(string $type, string $code): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "extension` WHERE `type` = '" . $this->db->escape($type) . "' AND `code` = '" . $this->db->escape($code) . "'");
+
+		return $query->row;
+	}
+}

catalog/model/setting/module.php

@@ -0,0 +1,23 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Module
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Module extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $module_id
+	 *
+	 * @return array
+	 */
+	public function getModule(int $module_id): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "module` WHERE `module_id` = '" . (int)$module_id . "'");
+		
+		if ($query->row) {
+			return json_decode($query->row['setting'], true);
+		} else {
+			return [];
+		}
+	}		
+}

catalog/model/setting/setting.php

@@ -0,0 +1,57 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Setting
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Setting extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $store_id
+	 *
+	 * @return array
+	 */
+	public function getSettings(int $store_id = 0): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "setting` WHERE `store_id` = '" . (int)$store_id . "' OR `store_id` = 0 ORDER BY `store_id` ASC");
+
+		return $query->rows;
+	}
+
+	/**
+	 * @param string $code
+	 * @param int    $store_id
+	 *
+	 * @return array
+	 */
+	public function getSetting(string $code, int $store_id = 0): array {
+		$setting_data = [];
+
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "setting` WHERE `store_id` = '" . (int)$store_id . "' AND `code` = '" . $this->db->escape($code) . "'");
+
+		foreach ($query->rows as $result) {
+			if (!$result['serialized']) {
+				$setting_data[$result['key']] = $result['value'];
+			} else {
+				$setting_data[$result['key']] = json_decode($result['value'], true);
+			}
+		}
+
+		return $setting_data;
+	}
+
+	/**
+	 * @param string $key
+	 * @param int    $store_id
+	 *
+	 * @return string
+	 */
+	public function getValue(string $key, int $store_id = 0): string {
+		$query = $this->db->query("SELECT `value` FROM `" . DB_PREFIX . "setting` WHERE `store_id` = '" . (int)$store_id . "' AND `key` = '" . $this->db->escape($key) . "'");
+
+		if ($query->num_rows) {
+			return $query->row['value'];
+		} else {
+			return '';
+		}
+	}	
+}

catalog/model/setting/startup.php

@@ -0,0 +1,17 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class Startup
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Startup extends \Opencart\System\Engine\Model {
+	/**
+	 * @return mixed
+	 */
+	function getStartups() {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "startup` WHERE `status` = '1' ORDER BY `sort_order` ASC");
+
+		return $query->rows;
+	}
+}

catalog/model/setting/store.php

@@ -0,0 +1,180 @@
+<?php
+namespace Opencart\Catalog\Model\Setting;
+/**
+ * Class StoreStore
+ *
+ * @package Opencart\Catalog\Model\Setting
+ */
+class Store extends \Opencart\System\Engine\Model {
+	/**
+	 * @param int $store_id
+	 *
+	 * @return array
+	 */
+	public function getStore(int $store_id): array {
+		$query = $this->db->query("SELECT DISTINCT * FROM `" . DB_PREFIX . "store` WHERE `store_id` = '" . (int)$store_id . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @param string $url
+	 *
+	 * @return array
+	 */
+	public function getStoreByHostname(string $url): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "store` WHERE REPLACE(`url`, 'www.', '') = '" . $this->db->escape($url) . "'");
+
+		return $query->row;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getStores(): array {
+		$sql = "SELECT * FROM `" . DB_PREFIX . "store` ORDER BY `url`";
+
+		$store_data = $this->cache->get('store.' . md5($sql));
+
+		if (!$store_data) {
+			$query = $this->db->query($sql);
+
+			$store_data = $query->rows;
+
+			$this->cache->set('store.' . md5($sql), $store_data);
+		}
+
+		return $store_data;
+	}
+
+	/**
+	 * @param int    $store_id
+	 * @param string $language
+	 * @param string $session_id
+	 *
+	 * @return \Opencart\System\Engine\Registry
+	 * @throws \Exception
+	 */
+	public function createStoreInstance(int $store_id = 0, string $language = '', string $session_id = ''): object {
+		// Autoloader
+		$this->autoloader->register('Opencart\Catalog', DIR_CATALOG);
+
+		// Registry
+		$registry = new \Opencart\System\Engine\Registry();
+		$registry->set('autoloader', $this->autoloader);
+
+		// Config
+		$config = new \Opencart\System\Engine\Config();
+		$registry->set('config', $config);
+
+		// Load the default config
+		$config->addPath(DIR_CONFIG);
+		$config->load('default');
+		$config->set('application', 'Catalog');
+
+		// Store
+		$config->set('config_store_id', $store_id);
+
+		// Logging
+		$registry->set('log', $this->log);
+
+		// Event
+		$event = new \Opencart\System\Engine\Event($registry);
+		$registry->set('event', $event);
+
+		// Event Register
+		if ($config->has('action_event')) {
+			foreach ($config->get('action_event') as $key => $value) {
+				foreach ($value as $priority => $action) {
+					$event->register($key, new \Opencart\System\Engine\Action($action), $priority);
+				}
+			}
+		}
+
+		// Loader
+		$loader = new \Opencart\System\Engine\Loader($registry);
+		$registry->set('load', $loader);
+
+		// Create a dummy request class so we can feed the data to the order editor
+		$request = new \stdClass();
+		$request->get = [];
+		$request->post = [];
+		$request->server = $this->request->server;
+		$request->cookie = [];
+
+		// Request
+		$registry->set('request', $request);
+
+		// Response
+		$response = new \Opencart\System\Library\Response();
+		$registry->set('response', $response);
+
+		// Database
+		$registry->set('db', $this->db);
+
+		// Cache
+		$registry->set('cache', $this->cache);
+
+		// Session
+		$session = new \Opencart\System\Library\Session($config->get('session_engine'), $registry);
+		$registry->set('session', $session);
+
+		// Start session
+		$session->start($session_id);
+
+		// Template
+		$template = new \Opencart\System\Library\Template($config->get('template_engine'));
+		$template->addPath(DIR_TEMPLATE);
+		$registry->set('template', $template);
+
+		// Language
+		$this->load->model('localisation/language');
+
+		$language_info = $this->model_localisation_language->getLanguageByCode($language);
+
+		if ($language_info) {
+			$config->set('config_language_id', $language_info['language_id']);
+			$config->set('config_language', $language_info['code']);
+		} else {
+			$config->set('config_language_id', $this->config->get('config_language_id'));
+			$config->set('config_language', $this->config->get('config_language'));
+		}
+
+		$language = new \Opencart\System\Library\Language($this->config->get('config_language'));
+		$registry->set('language', $language);
+
+		if (!$language_info['extension']) {
+			$language->addPath(DIR_LANGUAGE);
+		} else {
+			$language->addPath(DIR_EXTENSION . $language_info['extension'] . '/catalog/language/');
+		}
+
+		// Load default language file
+		$language->load('default');
+
+		// Url
+		$registry->set('url', new \Opencart\System\Library\Url($config->get('site_url')));
+
+		// Document
+		$registry->set('document', new \Opencart\System\Library\Document());
+
+		// Run pre actions to load key settings and classes.
+		$pre_actions = [
+			'startup/setting',
+			'startup/extension',
+			'startup/customer',
+			'startup/tax',
+			'startup/currency',
+			'startup/application',
+			'startup/startup',
+			'startup/event'
+		];
+
+		// Pre Actions
+		foreach ($pre_actions as $pre_action) {
+			$loader->controller($pre_action);
+		}
+
+		return $registry;
+	}
+}

catalog/model/tool/image.php

@@ -0,0 +1,64 @@
+<?php
+namespace Opencart\Catalog\Model\Tool;
+/**
+ * Class Image
+ *
+ * @package Opencart\Catalog\Model\Tool
+ */
+class Image extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $filename
+	 * @param int    $width
+	 * @param int    $height
+	 * @param string $default
+	 *
+	 * @return string
+	 * @throws \Exception
+	 */
+	public function resize(string $filename, int $width, int $height, string $default = ''): string {
+		if (!is_file(DIR_IMAGE . $filename) || substr(str_replace('\\', '/', realpath(DIR_IMAGE . $filename)), 0, strlen(DIR_IMAGE)) != DIR_IMAGE) {
+			return '';
+		}
+
+		$extension = pathinfo($filename, PATHINFO_EXTENSION);
+
+		$image_old = $filename;
+		$image_new = 'cache/' . oc_substr($filename, 0, oc_strrpos($filename, '.')) . '-' . (int)$width . 'x' . (int)$height . '.' . $extension;
+
+		if (!is_file(DIR_IMAGE . $image_new) || (filemtime(DIR_IMAGE . $image_old) > filemtime(DIR_IMAGE . $image_new))) {
+			list($width_orig, $height_orig, $image_type) = getimagesize(DIR_IMAGE . $image_old);
+				 
+			if (!in_array($image_type, [IMAGETYPE_PNG, IMAGETYPE_JPEG, IMAGETYPE_GIF, IMAGETYPE_WEBP])) {
+				return $this->config->get('config_url') . 'image/' . $image_old;
+			}
+						
+			$path = '';
+
+			$directories = explode('/', dirname($image_new));
+
+			foreach ($directories as $directory) {
+				if (!$path) {
+					$path = $directory;
+				} else {
+					$path = $path . '/' . $directory;
+				}
+
+				if (!is_dir(DIR_IMAGE . $path)) {
+					@mkdir(DIR_IMAGE . $path, 0777);
+				}
+			}
+
+			if ($width_orig != $width || $height_orig != $height) {
+				$image = new \Opencart\System\Library\Image(DIR_IMAGE . $image_old);
+				$image->resize($width, $height, $default);
+				$image->save(DIR_IMAGE . $image_new);
+			} else {
+				copy(DIR_IMAGE . $image_old, DIR_IMAGE . $image_new);
+			}
+		}
+		
+		$image_new = str_replace(' ', '%20', $image_new);  // fix bug when attach image on email (gmail.com). it is automatically changing space from " " to +
+		
+		return $this->config->get('config_url') . 'image/' . $image_new;
+	}
+}

catalog/model/tool/online.php

@@ -0,0 +1,22 @@
+<?php
+namespace Opencart\Catalog\Model\Tool;
+/**
+ * Class Online
+ *
+ * @package Opencart\Catalog\Model\Tool
+ */
+class Online extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $ip
+	 * @param int    $customer_id
+	 * @param string $url
+	 * @param string $referer
+	 *
+	 * @return void
+	 */
+	public function addOnline(string $ip, int $customer_id, string $url, string $referer): void {
+		$this->db->query("DELETE FROM `" . DB_PREFIX . "customer_online` WHERE `date_added` < '" . date('Y-m-d H:i:s', strtotime('-' . (int)$this->config->get('config_customer_online_expire') . ' hour')) . "'");
+
+		$this->db->query("REPLACE INTO `" . DB_PREFIX . "customer_online` SET `ip` = '" . $this->db->escape($ip) . "', `customer_id` = '" . (int)$customer_id . "', `url` = '" . $this->db->escape($url) . "', `referer` = '" . $this->db->escape($referer) . "', `date_added` = '" . $this->db->escape(date('Y-m-d H:i:s')) . "'");
+	}
+}

catalog/model/tool/upload.php

@@ -0,0 +1,33 @@
+<?php
+namespace Opencart\Catalog\Model\Tool;
+/**
+ * Class Upload
+ *
+ * @package Opencart\Catalog\Model\Tool
+ */
+class Upload extends \Opencart\System\Engine\Model {
+	/**
+	 * @param string $name
+	 * @param string $filename
+	 *
+	 * @return string
+	 */
+	public function addUpload(string $name, string $filename): string {
+		$code = oc_token(32);
+
+		$this->db->query("INSERT INTO `" . DB_PREFIX . "upload` SET `name` = '" . $this->db->escape($name) . "', `filename` = '" . $this->db->escape($filename) . "', `code` = '" . $this->db->escape($code) . "', `date_added` = NOW()");
+
+		return $code;
+	}
+
+	/**
+	 * @param string $code
+	 *
+	 * @return array
+	 */
+	public function getUploadByCode(string $code): array {
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "upload` WHERE code = '" . $this->db->escape($code) . "'");
+
+		return $query->row;
+	}
+}