Merge pull request #259 from gave92/fetchThreadListGraphQL

Added GraphQL alternative to fetchThreadList; fixes #241

fbchat/client.py

@@ -754,19 +754,23 @@ class Client(object):
 
         return list(reversed([graphql_to_message(message) for message in j['message_thread']['messages']['nodes']]))
 
-    def fetchThreadList(self, offset=0, limit=20, thread_location=ThreadLocation.INBOX):
+    def fetchThreadList(self, offset=0, limit=20, thread_location=ThreadLocation.INBOX, before=None):
         """Get thread list of your facebook account
 
-        :param offset: The offset, from where in the list to recieve threads from
+        :param offset: Deprecated. Do not use!
         :param limit: Max. number of threads to retrieve. Capped at 20
         :param thread_location: models.ThreadLocation: INBOX, PENDING, ARCHIVED or OTHER
-        :type offset: int
+        :param before: A timestamp (in milliseconds), indicating from which point to retrieve threads
         :type limit: int
+        :type before: int
         :return: :class:`models.Thread` objects
         :rtype: list
         :raises: FBchatException if request failed
         """
 
+        if offset is not None:
+            log.warning('Using `offset` in `fetchThreadList` is no longer supported, since Facebook migrated to the use of GraphQL in this request. Use `before` instead')
+
         if limit > 20 or limit < 1:
             raise FBchatUserError('`limit` should be between 1 and 20')
 
@@ -775,52 +779,15 @@ class Client(object):
         else:
             raise FBchatUserError('"thread_location" must be a value of ThreadLocation')
 
-        data = {
-            'client' : self.client,
-            loc_str + '[offset]' : offset,
-            loc_str + '[limit]' : limit,
-        }
+        j = self.graphql_request(GraphQL(doc_id='1349387578499440', params={
+            'limit': limit,
+            'tags': [loc_str],
+            'before': before,
+            'includeDeliveryReceipts': True,
+            'includeSeqID': False
+        }))
 
-        j = self._post(self.req_url.THREADS, data, fix_request=True, as_json=True)
-        if j.get('payload') is None:
-            raise FBchatException('Missing payload: {}, with data: {}'.format(j, data))
-
-        participants = {}
-        if 'participants' in j['payload']:
-            for p in j['payload']['participants']:
-                if p['type'] == 'page':
-                    participants[p['fbid']] = Page(p['fbid'], url=p['href'], photo=p['image_src'], name=p['name'])
-                elif p['type'] == 'user':
-                    participants[p['fbid']] = User(p['fbid'], url=p['href'], first_name=p['short_name'], is_friend=p['is_friend'], gender=GENDERS.get(p['gender']), photo=p['image_src'], name=p['name'])
-                else:
-                    raise FBchatException('A participant had an unknown type {}: {}'.format(p['type'], p))
-
-        entries = []
-        if 'threads' in j['payload']:
-            for k in j['payload']['threads']:
-                if k['thread_type'] == 1:
-                    if k['other_user_fbid'] not in participants:
-                        raise FBchatException('The thread {} was not in participants: {}'.format(k, j['payload']))
-                    participants[k['other_user_fbid']].message_count = k['message_count']
-                    entries.append(participants[k['other_user_fbid']])
-                elif k['thread_type'] == 2:
-                    entries.append(Group(k['thread_fbid'], participants=set([p.strip('fbid:') for p in k['participants']]), photo=k['image_src'], name=k['name'], message_count=k['message_count']))
-                elif k['thread_type'] == 3:
-                    entries.append(Room(
-                        k['thread_fbid'],
-                        participants = set(p.lstrip('fbid:') for p in k['participants']),
-                        photo = k['image_src'],
-                        name = k['name'],
-                        message_count = k['message_count'],
-                        admins = set(p.lstrip('fbid:') for p in k['admin_ids']),
-                        approval_mode = k['approval_mode'],
-                        approval_requests = set(p.lstrip('fbid:') for p in k['approval_queue_ids']),
-                        join_link = k['joinable_mode']['link']
-                        ))
-                else:
-                    raise FBchatException('A thread had an unknown thread type: {}'.format(k))
-
-        return entries
+        return [graphql_to_thread(node) for node in j['viewer']['message_threads']['nodes']]
 
     def fetchUnread(self):
         """

fbchat/graphql.py

@@ -172,6 +172,35 @@ def graphql_to_user(user):
         message_count=user.get('messages_count')
     )
 
+def graphql_to_thread(thread):
+    if thread['thread_type'] == 'GROUP':
+        return graphql_to_group(thread)
+    elif thread['thread_type'] == 'ONE_TO_ONE':
+        if thread.get('big_image_src') is None:
+            thread['big_image_src'] = {}
+        c_info = get_customization_info(thread)
+        participants = [node['messaging_actor'] for node in thread['all_participants']['nodes']]
+        user = next(p for p in participants if p['id'] == thread['thread_key']['other_user_id'])
+
+        return User(
+            user['id'],
+            url=user.get('url'),
+            name=user.get('name'),
+            first_name=user.get('short_name'),
+            last_name=user.get('name').split(user.get('short_name'),1)[1].strip(),
+            is_friend=user.get('is_viewer_friend'),
+            gender=GENDERS.get(user.get('gender')),
+            affinity=user.get('affinity'),
+            nickname=c_info.get('nickname'),
+            color=c_info.get('color'),
+            emoji=c_info.get('emoji'),
+            own_nickname=c_info.get('own_nickname'),
+            photo=user['big_image_src'].get('uri'),
+            message_count=thread.get('messages_count')
+        )
+    else:
+        raise FBchatException('Unknown thread type: {}, with data: {}'.format(thread.get('thread_type'), thread))
+
 def graphql_to_group(group):
     if group.get('image') is None:
         group['image'] = {}

tests.py

@@ -123,7 +123,8 @@ class TestFbchat(unittest.TestCase):
             self.assertTrue(client.sendLocalImage(image_local_url, Message(text='test_send_image_local_to__@you★', mentions=mentions)))
 
     def test_fetchThreadList(self):
-        client.fetchThreadList(offset=0, limit=20)
+        threads = client.fetchThreadList(limit=2)
+        self.assertEqual(len(threads), 2)
 
     def test_fetchThreadMessages(self):
         for thread in threads: