add typing indicator

fbchat/client.py

@@ -821,6 +821,26 @@ class Client(object):
         r = self._post(ReqUrl.MESSAGE_REACTION + "/?" + parse.urlencode(full_data))
         return r.ok
 
+    def setTypingStatus(self, status, thread_id=None, thread_type=None):
+        # type: (TypingStatus, str, ThreadType) -> bool
+        """
+        Sets users typing status.
+        
+        :param status: typing or not typing
+        :param thread_id: user/group chat ID
+        :return: True if status changed
+        """
+        thread_id, thread_type = self._setThread(thread_id, None)
+
+        data = {
+            "typ": status.value,
+            "thread": thread_id,
+            "to": thread_id if thread_type == ThreadType.USER else "",
+            "source": "mercury-chat"
+        }
+
+        r = self._post(ReqUrl.TYPING, data)
+        return r.ok
 
     """
     END SEND METHODS    

fbchat/models.py

@@ -69,7 +69,7 @@ class ThreadType(Enum):
     GROUP = 2
 
 class TypingStatus(Enum):
-    DELETED = 0
+    STOPPED = 0
     TYPING = 1
 
 class EmojiSize(Enum):

fbchat/utils.py

@@ -3,7 +3,8 @@ import json
 from time import time
 from random import random
 import warnings
-from enum import Enum
+from .models import *
+
 USER_AGENTS = [
     "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
     "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/601.1.10 (KHTML, like Gecko) Version/8.0.5 Safari/601.1.10",
@@ -51,6 +52,7 @@ class ReqUrl:
     CHECKPOINT = "https://m.facebook.com/login/checkpoint/"
     CHAT_COLOR = "https://www.facebook.com/messaging/save_thread_color/?source=thread_settings&dpr=1"
     MESSAGE_REACTION = "https://www.facebook.com/webgraphql/mutation"
+    TYPING = "https://www.facebook.com/ajax/messaging/typ.php"
 
 facebookEncoding = 'UTF-8'