first commit

extension/opencart/catalog/controller/total/coupon.php

@@ -0,0 +1,79 @@
+<?php
+namespace Opencart\Catalog\Controller\Extension\Opencart\Total;
+/**
+ * Class Coupon
+ *
+ * @package
+ */
+class Coupon extends \Opencart\System\Engine\Controller {
+	/**
+	 * @return string
+	 */
+	public function index(): string {
+		if ($this->config->get('total_coupon_status')) {
+			$this->load->language('extension/opencart/total/coupon');
+
+			$data['save'] = $this->url->link('extension/opencart/total/coupon.save', 'language=' . $this->config->get('config_language'), true);
+			$data['list'] = $this->url->link('checkout/cart.list', 'language=' . $this->config->get('config_language'), true);
+
+			if (isset($this->session->data['coupon'])) {
+				$data['coupon'] = $this->session->data['coupon'];
+			} else {
+				$data['coupon'] = '';
+			}
+
+			return $this->load->view('extension/opencart/total/coupon', $data);
+		}
+
+		return '';
+	}
+
+	/**
+	 * @return void
+	 */
+	public function save(): void {
+		$this->load->language('extension/opencart/total/coupon');
+
+		$json = [];
+
+		if (isset($this->request->post['coupon'])) {
+			$coupon = $this->request->post['coupon'];
+		} else {
+			$coupon = '';
+		}
+
+		if (!$this->config->get('total_coupon_status')) {
+			$json['error'] = $this->language->get('error_status');
+		}
+
+		if ($coupon) {
+			$this->load->model('marketing/coupon');
+
+			$coupon_info = $this->model_marketing_coupon->getCoupon($coupon);
+
+			if (!$coupon_info) {
+				$json['error'] = $this->language->get('error_coupon');
+			}
+		}
+
+		if (!$json) {
+			if ($coupon) {
+				$json['success'] = $this->language->get('text_success');
+
+				$this->session->data['coupon'] = $coupon;
+			} else {
+				$json['success'] = $this->language->get('text_remove');
+
+				unset($this->session->data['coupon']);
+			}
+
+			unset($this->session->data['shipping_method']);
+			unset($this->session->data['shipping_methods']);
+			unset($this->session->data['payment_method']);
+			unset($this->session->data['payment_methods']);
+		}
+
+		$this->response->addHeader('Content-Type: application/json');
+		$this->response->setOutput(json_encode($json));
+	}
+}