MAGETWO-67723: Add logging to contact us form #9343

 - Merge Pull Request #9343 from JamesonNetworks/magento2:add_logging_to_contact_us

Author: ishakhsuvarov

app/code/Magento/Contact/Controller/Index/Post.php

@@ -14,6 +14,7 @@
 use Magento\Framework\Controller\Result\Redirect;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\HTTP\PhpEnvironment\Request;
+use Psr\Log\LoggerInterface;
 
 class Post extends \Magento\Contact\Controller\Index
 {
@@ -32,22 +33,30 @@ class Post extends \Magento\Contact\Controller\Index
      */
     private $mail;
 
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
     /**
      * @param Context $context
      * @param ConfigInterface $contactsConfig
      * @param MailInterface $mail
      * @param DataPersistorInterface $dataPersistor
+     * @param LoggerInterface $logger
      */
     public function __construct(
         Context $context,
         ConfigInterface $contactsConfig,
         MailInterface $mail,
-        DataPersistorInterface $dataPersistor
+        DataPersistorInterface $dataPersistor,
+        LoggerInterface $logger = null
     ) {
         parent::__construct($context, $contactsConfig);
         $this->context = $context;
         $this->mail = $mail;
         $this->dataPersistor = $dataPersistor;
+        $this->logger = $logger ?: \Magento\Framework\App\ObjectManager::getInstance()->get(LoggerInterface::class);
     }
 
     /**
@@ -70,8 +79,9 @@ public function execute()
             $this->messageManager->addErrorMessage($e->getMessage());
             $this->getDataPersistor()->set('contact_us', $this->getRequest()->getParams());
         } catch (\Exception $e) {
+            $this->logger->critical($e);
             $this->messageManager->addErrorMessage(
-                __('We can\'t process your request right now. Sorry, that\'s all we know.')
+                __('An error occurred while processing your form. Please try again later.')
             );
             $this->getDataPersistor()->set('contact_us', $this->getRequest()->getParams());
         }