dispatcher: add some dispatch_* methods for backwards compatibility

- dispatcher: add EventDispatcher.remove()
 - blueprints.guilds: use remove() and unsub()
 - gateway.websocket: fix sub_many() call

litecord/blueprints/guilds.py

@@ -183,7 +183,7 @@ async def delete_guild(guild_id):
     # remove from the dispatcher so nobody
     # becomes the little memer that tries to fuck up with
     # everybody's gateway
-    app.dispatcher.remove_guild(guild_id)
+    await app.dispatcher.remove('guild', guild_id)
 
     return '', 204
 

litecord/blueprints/users.py

@@ -106,7 +106,7 @@ async def leave_guild(guild_id: int):
         }
     )
 
-    await app.dispatcher.unsub_guild(guild_id, user_id)
+    await app.dispatcher.unsub('guild', guild_id, user_id)
 
     await app.dispatcher.dispatch_guild('GUILD_MEMBER_REMOVE', {
         'guild_id': str(guild_id),

litecord/dispatcher.py

@@ -18,6 +18,8 @@ class EventDispatcher:
             'guild': GuildDispatcher(self),
             'member': MemberDispatcher(self),
             'user': UserDispatcher(self),
+
+            # TODO: channel, friends
         }
 
     async def action(self, backend_str: str, action: str, key, identifier):
@@ -45,16 +47,35 @@ class EventDispatcher:
         """
         backend = self.backends[backend_str]
         key = backend.KEY_TYPE(key)
-        return await backend._dispatch(key, *args, **kwargs)
+        return await backend.dispatch(key, *args, **kwargs)
 
     async def reset(self, backend_str: str, key: Any):
         """Reset the bucket in the given backend."""
         backend = self.backends[backend_str]
         key = backend.KEY_TYPE(key)
-        return await backend._reset(key)
+        return await backend.reset(key)
+
+    async def remove(self, backend_str: str, key: Any):
+        """Remove a key from the backend. This
+        might be a different operation than resetting."""
+        backend = self.backends[backend_str]
+        key = backend.KEY_TYPE(key)
+        return await backend.remove(key)
 
     async def sub_many(self, backend_str: str, identifier: Any, keys: list):
         """Subscribe to many buckets inside a single backend
         at a time."""
         for key in keys:
             await self.subscribe(backend_str, key, identifier)
+
+    async def dispatch_guild(self, guild_id, event, data):
+        """Backwards compatibility."""
+        return await self.dispatch('guild', guild_id, event, data)
+
+    async def dispatch_user_guild(self, user_id, guild_id, event, data):
+        """Backwards compatibility."""
+        return await self.dispatch('member', (guild_id, user_id), event, data)
+
+    async def dispatch_user(self, user_id, event, data):
+        """Backwards compatibility."""
+        return await self.dispatch('user', user_id, event, data)

litecord/gateway/websocket.py

@@ -287,9 +287,11 @@ class GatewayWebsocket:
         """Subscribe to all available guilds"""
         guild_ids = await self._guild_ids()
         log.info('subscribing to {} guilds', len(guild_ids))
-        self.ext.dispatcher.sub_many(self.state.user_id, guild_ids)
+        await self.ext.dispatcher.sub_many('guild',
+                                           self.state.user_id, guild_ids)
 
     async def update_status(self, status: dict):
+        """Update the status of the current websocket connection."""
         if status is None:
             status = {
                 'afk': False,

litecord/pubsub/dispatcher.py

@@ -21,6 +21,12 @@ class Dispatcher:
     async def dispatch(self, _key, *_args, **_kwargs):
         raise NotImplementedError
 
+    async def reset(self, _key):
+        raise NotImplementedError
+
+    async def remove(self, _key):
+        raise NotImplementedError
+
     async def _dispatch_states(self, states: list, event: str, data) -> int:
         dispatched = 0
 

litecord/pubsub/guild.py

@@ -26,6 +26,12 @@ class GuildDispatcher(Dispatcher):
     async def reset(self, guild_id: int):
         self.guild_buckets[guild_id] = set()
 
+    async def remove(self, guild_id: int):
+        try:
+            self.guild_buckets.pop(guild_id)
+        except KeyError:
+            pass
+
     async def dispatch(self, guild_id: int,
                        event_name: str, event_payload: Any):
         user_ids = self.guild_buckets[guild_id]
@@ -41,7 +47,7 @@ class GuildDispatcher(Dispatcher):
             if not states:
                 # user is actually disconnected,
                 # so we should just unsub it
-                await self._unsub(guild_id, user_id)
+                await self.unsub(guild_id, user_id)
                 continue
 
             dispatched += await self._dispatch_states(

litecord/pubsub/member.py

@@ -2,14 +2,15 @@ from .dispatcher import Dispatcher
 
 
 class MemberDispatcher(Dispatcher):
-    KEY_TYPE = int
+    KEY_TYPE = tuple
-    VAL_TYPE = int
 
-    async def dispatch(self, guild_id: int, user_id: int, event, data):
+    async def dispatch(self, key, event, data):
         """Dispatch a single event to a member.
 
         This is shard-aware.
         """
+        guild_id, user_id = key
+
         # fetch shards
         states = self.sm.fetch_states(user_id, guild_id)