<script>



    $(document).ready(function(){


        $(document).on('keydown' , '.message_input', function(e){



            var token = $('input[name=_token]').val();
            var msg  = $(this).val();
            var element = $(this) ;
            var ul = element.parent().parent().find('ul');
            var authenticated_user_id = $(this).attr('data-auth-id');
            var user_id = $(this).attr('data-to-user-id');
            var conversation_id = $(this).attr('data-conversation-id');

            if(!msg == '' && e.keyCode == 13  && !e.shiftKey){


                                 $.ajaxSetup({
                                      headers: {
                                          'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
                                      }
                                  });


                                $.ajax({



                                    url : "{{ url("$lang/post_message_test")}}" ,
                                    method : 'POST',
                                    cache: false,
                                    dataType:'JSON',
                                    data: {   msg:msg  , authenticated_user_id:authenticated_user_id  , user_id:user_id , conversation_id: conversation_id , _token:token   },

                                    success:function(data){

                                       // my logic
                                    }
                                });


                                return false ;


            }

        });

    });

</script>

public function postMessage(Request $request ){


    if($request->ajax()){




        /** data coming from our post request with an elegant way */
        $authenticated_user_id = $request->get('authenticated_user_id');
        $user_id = $request->get('user_id');
        $conversation_id = $request->get('conversation_id');

        $msg = $request->get('msg');




        // find user image
        $user = User::find($authenticated_user_id) ;
        $image = asset('uploads/users/').'/'.$user->profileImage ;




        $name = '' ;

        if($user->userType == 'doctor'){

            $name = $user->doctorName ;
        }else{
            $name = $user->headPersonName  ;
        }





        $message  = new Message ;

        $message->sender_id = $authenticated_user_id ;
        $message->receiver_id = $user_id ;
        $message->conversation_id = $conversation_id ;
        $message->message = $msg ;
        $message->is_read = 'not_read'  ;

        if($message->save()){

            $msg=Message::where('id',$message->id)
            ->select('id','message','sender_id','receiver_id','created_at')
            ->with('sender')
            ->with('receiver')
            ->first();






         $sender_name =  $msg->sender->name ;
         $sender_image =  $msg->sender->profileImage ;

          $dt = Carbon::now();

                $message_date  = $dt->diffForHumans() ;






           event(new MessageWasRecieved( $user_id , $message->message , $image  , $authenticated_user_id , $name ));

           return Response::json([
                                    'status'=>'success'   ,
                                    'message'=>$msg->message ,
                                    'user_id'=>$user_id ,
                                    'auth_id'=>Auth::user()->id ,
                                    'image'=>$sender_image ,
                                    'name'=>$sender_name


                                ]);



        }else{

             return Response::json([
                                    'status'=>'error'   ,



                                ]);
        }






    }


}