first commit

catalog/controller/api/sale/reward.php

@@ -0,0 +1,86 @@
+<?php
+namespace Opencart\Catalog\Controller\Api\Sale;
+/**
+ * Class Reward
+ *
+ * @package Opencart\Catalog\Controller\Api\Sale
+ */
+class Reward extends \Opencart\System\Engine\Controller {
+	/**
+	 * @return void
+	 */
+	public function index(): void {
+		$this->load->language('api/sale/reward');
+
+		$json = [];
+
+		if (isset($this->request->post['reward'])) {
+			$reward = abs((int)$this->request->post['reward']);
+		} else {
+			$reward = 0;
+		}
+
+		$available = $this->customer->getRewardPoints();
+
+		$points_total = 0;
+
+		foreach ($this->cart->getProducts() as $product) {
+			if ($product['points']) {
+				$points_total += $product['points'];
+			}
+		}
+
+		if ($reward) {
+			if ($reward > $available) {
+				$json['error'] = sprintf($this->language->get('error_points'), $this->request->post['reward']);
+			}
+
+			if ($reward > $points_total) {
+				$json['error'] = sprintf($this->language->get('error_maximum'), $points_total);
+			}
+		}
+
+		if (!$json) {
+			if ($reward) {
+				$json['success'] = $this->language->get('text_success');
+
+				$this->session->data['reward'] = $reward;
+			} else {
+				$json['success'] = $this->language->get('text_remove');
+
+				unset($this->session->data['reward']);
+			}
+		}
+
+		$this->response->addHeader('Content-Type: application/json');
+		$this->response->setOutput(json_encode($json));
+	}
+
+	/**
+	 * @return void
+	 */
+	public function maximum(): void {
+		$this->load->language('api/sale/reward');
+
+		$json = [];
+
+		$json['maximum'] = 0;
+
+		foreach ($this->cart->getProducts() as $product) {
+			if ($product['points']) {
+				$json['maximum'] += $product['points'];
+			}
+		}
+
+		$this->response->addHeader('Content-Type: application/json');
+		$this->response->setOutput(json_encode($json));
+	}
+
+	/**
+	 * @return void
+	 */
+	public function available(): void {
+		$this->response->addHeader('Content-Type: application/json');
+		$this->response->setOutput(json_encode(['points' => $this->customer->getRewardPoints()]));
+	}
+}