Fixed empty names in group chats

bot.py

@@ -68,7 +68,8 @@ async def get_max_photo(obj, keyword='photo'):
         m = max_photo_re.match(k)
         if m:
             maxarr.append(int(m.group(1)))
-    return keyword + '_' + str(max(maxarr))
+    if maxarr:
+        return keyword + '_' + str(max(maxarr))
 
 
 async def get_content(url, docname='tgvkbot.document', chrome_headers=True, rewrite_name=False,

telegram.py

@@ -312,7 +312,11 @@ async def get_dialog_info(api, vk_chat_id, name_case='nom'):
     if vk_chat_id >= 2000000000:
         dialog_info = await api('messages.getChat', chat_id=vk_chat_id - 2000000000)
         title = dialog_info['title']
-        photo = dialog_info[await get_max_photo(dialog_info)]
+        max_photo = await get_max_photo(dialog_info)
+        if max_photo:
+            photo = dialog_info[max_photo]
+        else:
+            photo = None
         dialog_type = 'chat'
     elif vk_chat_id > 0:
         dialog_info = await api('users.get', user_ids=vk_chat_id, fields='photo_max', name_case=name_case)
@@ -324,7 +328,11 @@ async def get_dialog_info(api, vk_chat_id, name_case='nom'):
     elif vk_chat_id < 0:
         dialog_info = await api('groups.getById', group_ids=abs(vk_chat_id))
         title = dialog_info[0]['name']
-        photo = dialog_info[0][await get_max_photo(dialog_info[0])]
+        max_photo = await get_max_photo(dialog_info[0])
+        if max_photo:
+            photo = dialog_info[0][max_photo]
+        else:
+            photo = None
         dialog_type = 'group'
 
     return {'title': title, 'photo': photo, 'type': dialog_type}

vk_messages.py

@@ -567,7 +567,7 @@ async def process_message(msg, token=None, is_multichat=None, vk_chat_id=None, u
             if forward_setting:
                 if forwarded or is_multichat:
                     header = f'<b>{name}</b>' + '\n'
-                if not forwarded:
+                elif not forwarded:
                     header = ''
                 to_tg_chat = forward_setting.tgchat.cid
             else:
@@ -863,7 +863,6 @@ async def vk_polling(vkuser: VkUser):
     while True:
         try:
             session = VkSession(access_token=vkuser.token, driver=await get_driver(vkuser.token))
-            session.API_VERSION = API_VERSION
             log.warning('Starting polling for: id ' + str(vkuser.pk))
             api = API(session)
             lp = LongPoll(session, mode=10, version=4)