Fix some issues with auto-creating groups

mautrix_telegram/example-config.yaml

@@ -312,8 +312,8 @@ bridge:
     kick_on_logout: true
     # Should the "* user joined Telegram" notice always be marked as read automatically?
     always_read_joined_telegram_notice: true
-    # auto-create group chat portals by inviting Matrix puppet of Telegram user to a room
-    # requires double-puppeting to be enabled
+    # Should the bridge auto-create a group chat on Telegram when a ghost is invited to a room?
+    # Requires the user to have sufficient power level and double puppeting enabled.
     create_group_on_invite: true
     # Settings for backfilling messages from Telegram.
     backfill:

mautrix_telegram/matrix.py

@@ -75,7 +75,7 @@ class MatrixHandler(BaseMatrixHandler):
         if (
             not double_puppet
             or self.az.bot_mxid in members
-            or not not self.config["bridge.create_group_on_invite"]
+            or not self.config["bridge.create_group_on_invite"]
         ):
             if self.az.bot_mxid not in members:
                 await puppet.default_mxid_intent.leave_room(
@@ -85,7 +85,8 @@ class MatrixHandler(BaseMatrixHandler):
             else:
                 await puppet.default_mxid_intent.send_notice(
                     room_id,
-                    "This ghost will remain inactive until a Telegram chat is created for this room.",
+                    "This ghost will remain inactive "
+                    "until a Telegram chat is created for this room.",
                 )
             return
         elif not await user_has_power_level(
@@ -101,7 +102,7 @@ class MatrixHandler(BaseMatrixHandler):
         title, about, levels, encrypted = await get_initial_state(double_puppet.intent, room_id)
         if not title:
             await puppet.default_mxid_intent.leave_room(
-                room_id, reason="Please set a title before inviting Telegram puppets."
+                room_id, reason="Please set a title before inviting Telegram ghosts."
             )
             return
 
@@ -137,7 +138,8 @@ class MatrixHandler(BaseMatrixHandler):
             await portal.create_telegram_chat(invited_by, invites=invites, supergroup=True)
         except ValueError as e:
             await portal.delete()
-            return await portal.az.intent.send_notice(room_id, e.args[0])
+            await portal.az.intent.send_notice(room_id, e.args[0])
+            return
 
     async def handle_invite(
         self, room_id: RoomID, user_id: UserID, inviter: u.User, event_id: EventID

mautrix_telegram/portal.py

@@ -438,7 +438,7 @@ class Portal(DBPortal, BasePortal):
 
     async def get_telegram_users_in_matrix_room(
         self, source: u.User, pre_create: bool = False
-    ) -> tuple[list[InputPeerUser], list[UserID]]:
+    ) -> tuple[list[InputUser], list[UserID]]:
         user_tgids = {}
         intent = self.az.intent if pre_create else self.main_intent
         user_mxids = await intent.get_room_members(self.mxid, (Membership.JOIN, Membership.INVITE))