feat: Support NLP in receive message

Close #89

Author: CasperLaiTW

src/Messages/ReceiveMessage.php

@@ -7,10 +7,6 @@
 
 namespace Casperlaitw\LaravelFbMessenger\Messages;
 
-/**
- * Class ReceiveMessage
- * @package Casperlaitw\LaravelFbMessenger\Messages
- */
 /**
  * Class ReceiveMessage
  *
@@ -59,6 +55,11 @@ class ReceiveMessage
      */
     private $referral = [];
 
+    /**
+     * @var array
+     */
+    private $nlp = [];
+
     /**
      * Receive constructor.
      *
@@ -237,4 +238,27 @@ public function getReferral()
     {
         return $this->referral;
     }
+
+    /**
+     * Set NLP
+     *
+     * @param $nlp
+     *
+     * @return $this
+     */
+    public function setNlp($nlp)
+    {
+        $this->nlp = $nlp;
+        return $this;
+    }
+
+    /**
+     * Get NLP
+     *
+     * @return array
+     */
+    public function getNlp()
+    {
+        return $this->nlp;
+    }
 }

src/Messages/Receiver.php

@@ -76,7 +76,8 @@ private function boot()
                         Arr::has($message, 'message.is_echo') ||
                         (!Arr::has($message, 'message.text') && !Arr::has($message, 'message.attachments') && !Arr::has($message, 'referral'))
                     )
-                    ->setAttachments(Arr::get($message, 'message.attachments', []));
+                    ->setAttachments(Arr::get($message, 'message.attachments', []))
+                    ->setNlp(Arr::get($message, 'message.nlp', []));
             }
 
             $messages[] = $receiveMessage;