storage: add optional user_id kwarg to ignore recipient

- storage: give gdm id as str

litecord/storage.py

@@ -367,20 +367,24 @@ class Storage:
 
         return [r['member_id'] for r in user_ids]
 
-    async def _gdm_recipients(self, channel_id: int) -> List[int]:
+    async def _gdm_recipients(self, channel_id: int,
+                              reference_id: int = None) -> List[int]:
         """Get the list of users that are recipients of the
         given Group DM."""
         recipients = await self.gdm_recipient_ids(channel_id)
         res = []
 
         for user_id in recipients:
+            if user_id == reference_id:
+                continue
+
             res.append(
                 await self.get_user(user_id)
             )
 
         return res
 
-    async def get_channel(self, channel_id: int) -> Dict[str, Any]:
+    async def get_channel(self, channel_id: int, **kwargs) -> Dict[str, Any]:
         """Fetch a single channel's information."""
         chan_type = await self.get_chan_type(channel_id)
         ctype = ChannelType(chan_type)
@@ -430,14 +434,16 @@ class Storage:
             return drow
         elif ctype == ChannelType.GROUP_DM:
             gdm_row = await self.db.fetchrow("""
-            SELECT id, owner_id::text, name, icon
+            SELECT id::text, owner_id::text, name, icon
             FROM group_dm_channels
             WHERE id = $1
             """, channel_id)
 
             drow = dict(gdm_row)
             drow['type'] = chan_type
-            drow['recipients'] = await self._gdm_recipients(channel_id)
+            drow['recipients'] = await self._gdm_recipients(
+                channel_id, kwargs.get('user_id')
+            )
             drow['last_message_id'] = await self.chan_last_message_str(
                 channel_id
             )

litecord/user_storage.py

@@ -357,7 +357,7 @@ class UserStorage:
 
         for gdm_id in gdm_ids:
             res.append(
-                await self.storage.get_channel(gdm_id)
+                await self.storage.get_channel(gdm_id, user_id=user_id)
             )
 
         return res