first commit

modules/ps_facebook/classes/Handler/MessengerHandler.php

@@ -0,0 +1,100 @@
+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License version 3.0
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
+ */
+
+namespace PrestaShop\Module\PrestashopFacebook\Handler;
+
+use Language;
+use PrestaShop\Module\PrestashopFacebook\Adapter\ConfigurationAdapter;
+use PrestaShop\Module\PrestashopFacebook\Config\Config;
+use PrestaShop\Module\PrestashopFacebook\Config\Env;
+
+class MessengerHandler
+{
+    /**
+     * @var string
+     */
+    private $pageId;
+
+    /**
+     * @var Language
+     */
+    private $lang;
+
+    /**
+     * @var ConfigurationAdapter
+     */
+    private $configurationAdapter;
+
+    /**
+     * @var Env
+     */
+    private $env;
+
+    public function __construct(
+        Language $lang,
+        ConfigurationAdapter $configurationAdapter,
+        Env $env
+    ) {
+        $pageList = explode(',', $configurationAdapter->get('PS_FACEBOOK_PAGES'));
+        $this->pageId = reset($pageList);
+        $this->lang = $lang;
+        $this->configurationAdapter = $configurationAdapter;
+        $this->env = $env;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isReady()
+    {
+        if (empty($this->pageId)) {
+            return false;
+        }
+
+        $messengerChatFeature = json_decode($this->configurationAdapter->get(Config::FBE_FEATURE_CONFIGURATION . 'messenger_chat'));
+
+        return $messengerChatFeature && $messengerChatFeature->enabled;
+    }
+
+    public function handle()
+    {
+        return [
+            'ps_facebook_messenger_api_version' => Config::API_VERSION,
+            'ps_facebook_messenger_app_id' => $this->env->get('PSX_FACEBOOK_APP_ID'),
+            'ps_facebook_messenger_page_id' => $this->pageId,
+            'ps_facebook_messenger_locale' => $this->getLocale(),
+        ];
+    }
+
+    /**
+     * Return the current language locale so the messenger is properly localized
+     *
+     * @return string
+     */
+    private function getLocale()
+    {
+        // PrestaShop 1.7+
+        if (!empty($this->lang->locale)) {
+            return str_replace('-', '_', $this->lang->locale);
+        }
+
+        return 'en_US';
+    }
+}