ignore posts without payload or text messages

Magento2/app/code/Werules/Chatbot/Block/Webhook/Index.php

@@ -126,7 +126,7 @@ protected function messageHandler($messageObject)
         else
             return $this->_helper->getJsonErrorResponse();
 
-        return $this->_helper->getJsonSuccessResponse();
+        return $this->getJsonSuccessResponse();
     }
 
     public function getConfigValue($code)
@@ -139,6 +139,11 @@ protected function getJsonErrorResponse()
         return $this->_helper->getJsonErrorResponse();
     }
 
+    protected function getJsonSuccessResponse()
+    {
+        return $this->_helper->getJsonSuccessResponse();
+    }
+
     protected function logPostData($data, $file = 'werules_chatbot.log')
     {
         $postLog = ($this->getConfigValue('werules_chatbot_general/general/enable_post_log') == $this->_define::ENABLED);

Magento2/app/code/Werules/Chatbot/Block/Webhook/Messenger.php

@@ -88,7 +88,10 @@ protected function processRequest()
                 $this->logPostData($messengerInstance->getPostData(), 'werules_chatbot_messenger.log');
 
                 $messageObject = $this->createMessageObject($messengerInstance);
-                $result = $this->messageHandler($messageObject);
+                if (isset($messageObject->content))
+                    $result = $this->messageHandler($messageObject);
+                else
+                    $result = $this->getJsonSuccessResponse(); // return success to avoid receiving the same message again
             }
 //        }
 //        else
@@ -107,11 +110,14 @@ protected function getMessengerInstance()
     protected function createMessageObject($messenger)
     {
         $messageObject = new \stdClass();
-        $messageObject->senderId = $messenger->ChatID();
         if ($messenger->Text())
             $content = $messenger->Text();
         else
             $content = $messenger->getPostbackTitle();
+        if (!$content)
+            return $messageObject;
+
+        $messageObject->senderId = $messenger->ChatID();
         $messageObject->content = $content;
         $messageObject->status = $this->_define::PROCESSING;
         $messageObject->direction = $this->_define::INCOMING;

README.md

@@ -103,6 +103,10 @@ Go to **System > General Settings  > Chatbot Settings**
     - Add Messages Queue Modes
     - Add option to Clear Message Queue
     - Add price to product list
+    - Add condition to only handle messages from Messenger
+    - Add new configuration tab
+    - Fix some bugs
+    - Add bugs to fix later
 - **v1.0.2:**
     - Add Messages Queue
     - Add List More command
@@ -268,6 +272,7 @@ A: Thank you! You can help by codding more features, creating pull requests, or
     - Add Command Listing on Help Command
     - Add Enable Default Replies
     - Add more options to filter clearing message queue
+    - Add handler for other posts from Messenger
 
 ## License
 MIT License