first commit

catalog/controller/api/localisation/currency.php

@@ -0,0 +1,40 @@
+<?php
+namespace Opencart\Catalog\Controller\Api\Localisation;
+/**
+ * Class Currency
+ *
+ * @package Opencart\Catalog\Controller\Api\Localisation
+ */
+class Currency extends \Opencart\System\Engine\Controller {
+	/**
+	 * @return void
+	 */
+	public function index(): void {
+		$this->load->language('api/localisation/currency');
+
+		$json = [];
+
+		if (isset($this->request->post['currency'])) {
+			$currency = (string)$this->request->post['currency'];
+		} else {
+			$currency = '';
+		}
+
+		$this->load->model('localisation/currency');
+
+		$currency_info = $this->model_localisation_currency->getCurrencyByCode($currency);
+
+		if (!$currency_info) {
+			$json['error'] = $this->language->get('error_currency');
+		}
+
+		if (!$json) {
+			$this->session->data['currency'] = $currency;
+
+			$json['success'] = $this->language->get('text_success');
+		}
+
+		$this->response->addHeader('Content-Type: application/json');
+		$this->response->setOutput(json_encode($json));
+	}
+}