rewrite: New Pomodoro Timer system.

src/core/data.py

@@ -2,6 +2,7 @@ from enum import Enum
 from itertools import chain
 from psycopg import sql
 from cachetools import TTLCache
+import discord
 
 from data import Table, Registry, Column, RowModel, RegisterEnum
 from data.models import WeakCache
@@ -346,3 +347,23 @@ class CoreData(Registry, name="core"):
                     (guildid, tuple(untracked), userid)
                 )
                 return (await curs.fetchone()) or (None, None)
+
+    class LionHook(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE channel_webhooks(
+          channelid BIGINT NOT NULL PRIMARY KEY,
+          webhookid BIGINT NOT NULL,
+          token TEXT NOT NULL
+        );
+        """
+        _tablename_ = 'channel_webhooks'
+        _cache_ = {}
+
+        channelid = Integer(primary=True)
+        webhookid = Integer()
+        token = String()
+
+        def as_webhook(self, **kwargs):
+            return discord.Webhook.partial(self.webhookid, self.token, **kwargs)

src/core/lion_guild.py

@@ -1,5 +1,6 @@
 from typing import Optional, TYPE_CHECKING
 from enum import Enum
+import asyncio
 import pytz
 import discord
 
@@ -48,7 +49,7 @@ class LionGuild(Timezoned):
     No guarantee is made that the client is in the corresponding Guild,
     or that the corresponding Guild even exists.
     """
-    __slots__ = ('bot', 'data', 'guildid', 'config', '_guild', '__weakref__')
+    __slots__ = ('bot', 'data', 'guildid', 'config', '_guild', 'voice_lock', '__weakref__')
 
     Config = GuildConfig
     settings = Config.settings
@@ -62,6 +63,11 @@ class LionGuild(Timezoned):
 
         self.config = self.Config(self.guildid, data)
 
+        # Guild-specific voice lock
+        # Every module which uses voice alerts should hold this lock throughout the alert.
+        # Avoids voice race-states
+        self.voice_lock = asyncio.Lock()
+
     @property
     def guild(self):
         if self._guild is None:
@@ -77,6 +83,10 @@ class LionGuild(Timezoned):
     def timezone(self) -> pytz.timezone:
         return self.config.timezone.value
 
+    @property
+    def locale(self) -> str:
+        return self.config.get('guild_locale').value
+
     async def touch_discord_model(self, guild: discord.Guild):
         """
         Update saved Discord model attributes for this guild.