rewrite (core): Refactor lion* classes.

src/core/lion_guild.py

@@ -0,0 +1,85 @@
+from typing import Optional, TYPE_CHECKING
+from enum import Enum
+import pytz
+import discord
+
+from meta import LionBot
+from utils.lib import Timezoned
+from settings.groups import ModelConfig, SettingDotDict
+
+from .data import CoreData
+
+if TYPE_CHECKING:
+    # TODO: Import Settings for Config type hinting
+    pass
+
+
+class VoiceMode(Enum):
+    STUDY = 0
+    VOICE = 1
+
+
+class GuildMode(Enum):
+    StudyGuild = (VoiceMode.STUDY,)
+    VoiceGuild = (VoiceMode.VOICE,)
+    TextGuild = (VoiceMode.VOICE,)
+
+    @property
+    def voice(self):
+        return self.value[0]
+
+
+class GuildConfig(ModelConfig):
+    settings = SettingDotDict()
+    _model_settings = set()
+    model = CoreData.Guild
+
+    @property
+    def timezone(self):
+        return self.get('timezone')
+
+
+class LionGuild(Timezoned):
+    """
+    Represents a Guild in the LionBot paradigm.
+
+    Provides central access to cached data and configuration for a Guild.
+
+    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__')
+
+    Config = GuildConfig
+    settings = Config.settings
+
+    def __init__(self, bot: LionBot, data: CoreData.Guild, guild: Optional[discord.Guild] = None):
+        self.bot = bot
+        self.data = data
+        self.guildid = data.guildid
+
+        self._guild = guild
+
+        self.config = self.Config(self.guildid, data)
+
+    @property
+    def guild(self):
+        if self._guild is None:
+            self._guild = self.bot.get_guild(self.guildid)
+        return self._guild
+
+    @property
+    def guild_mode(self):
+        # TODO: Configuration, data, and settings for this...
+        return GuildMode.StudyGuild
+
+    @property
+    def timezone(self) -> pytz.timezone:
+        return self.config.timezone.value
+
+    async def touch_discord_model(self, guild: discord.Guild):
+        """
+        Update saved Discord model attributes for this guild.
+        """
+        if self.data.name != guild.name:
+            await self.data.update(name=guild.name)