gateway.websocket: fix some errors

right now requesting a voice channel won't return ANY voice events back
to the client, causing a visual/behavioral "lock" on the official
client, since there isn't any available voice servers.

litecord/gateway/websocket.py

@@ -670,7 +670,7 @@ class GatewayWebsocket:
         voice_state = await self.ext.voice.get_state(voice_key)
 
         if voice_state is None:
-            return await self.ext.voice.create_state(voice_key)
+            return await self.ext.voice.create_state(voice_key, data)
 
         same_guild = guild_id == voice_state.guild_id
         same_channel = channel_id == voice_state.channel_id

litecord/voice/lvsp_manager.py

@@ -119,7 +119,7 @@ class LVSPManager:
 
         return conn.health
 
-    async def get_guild_server(self, guild_id: int) -> str:
+    async def get_guild_server(self, guild_id: int) -> Optional[str]:
         """Get a voice server for the given guild, assigns
         one if there isn't any"""
 
@@ -131,10 +131,13 @@ class LVSPManager:
             # sort connected servers by health
             sorted_servers = sorted(
                 self.servers[region],
-                self.get_health,
+                key=self.get_health
             )
 
-            hostname = sorted_servers[0]
+            try:
+                hostname = sorted_servers[0]
+            except IndexError:
+                return None
 
         return hostname
 

litecord/voice/manager.py

@@ -157,6 +157,10 @@ class VoiceManager:
 
     async def _lvsp_info_guild(self, guild_id, info_type, info_data):
         hostname = await self.lvsp.get_guild_server(guild_id)
+        if hostname is None:
+            log.error('no voice server for guild id {}', guild_id)
+            return
+
         conn = self.lvsp.get_conn(hostname)
         await conn.send_info(info_type, info_data)