first commit

catalog/controller/startup/currency.php

@@ -0,0 +1,48 @@
+<?php
+namespace Opencart\Catalog\Controller\Startup;
+/**
+ * Class Currency
+ *
+ * @package Opencart\Catalog\Controller\Startup
+ */
+class Currency extends \Opencart\System\Engine\Controller {
+	/**
+	 * @return void
+	 */
+	public function index(): void {
+		$code = '';
+
+		$this->load->model('localisation/currency');
+
+		$currencies = $this->model_localisation_currency->getCurrencies();
+
+		if (isset($this->session->data['currency'])) {
+			$code = $this->session->data['currency'];
+		}
+
+		if (isset($this->request->cookie['currency']) && !array_key_exists($code, $currencies)) {
+			$code = $this->request->cookie['currency'];
+		}
+
+		if (!array_key_exists($code, $currencies)) {
+			$code = $this->config->get('config_currency');
+		}
+
+		if (!isset($this->session->data['currency']) || $this->session->data['currency'] != $code) {
+			$this->session->data['currency'] = $code;
+		}
+
+		// Set a new currency cookie if the code does not match the current one
+		if (!isset($this->request->cookie['currency']) || $this->request->cookie['currency'] != $code) {
+			$option = [
+				'expires'  => time() + 60 * 60 * 24 * 30,
+				'path'     => '/',
+				'SameSite' => 'Lax'
+			];
+
+			setcookie('currency', $code, $option);
+		}
+
+		$this->registry->set('currency', new \Opencart\System\Library\Cart\Currency($this->registry));
+	}
+}