[ModLog API] Add default casetypes, remove need for a specific auditlog action (#2901)

* I know this needs a changelog entry and docs still

* update tests for new behavior

* update docs, filter; add changelog

* Ready for review

* stop fetching the same Audit logs when the bot is the mod

* I forgot to press save

* fix a comprehension

* Fix AttributeError

* And the other place that happens

* timing fixes

redbot/cogs/mod/mod.py

@@ -71,10 +71,7 @@ class Mod(
         self.settings.register_channel(**self.default_channel_settings)
         self.settings.register_member(**self.default_member_settings)
         self.settings.register_user(**self.default_user_settings)
-        self.ban_queue: List[Tuple[int, int]] = []
-        self.unban_queue: List[Tuple[int, int]] = []
         self.cache: dict = {}
-        self.registration_task = self.bot.loop.create_task(self._casetype_registration())
         self.tban_expiry_task = self.bot.loop.create_task(self.check_tempban_expirations())
         self.last_case: dict = defaultdict(dict)
 
@@ -99,13 +96,6 @@ class Mod(
             await self.settings.guild(discord.Object(id=guild_id)).delete_repeats.set(val)
         await self.settings.version.set(__version__)
 
-    @staticmethod
-    async def _casetype_registration():
-        try:
-            await modlog.register_casetypes(CASETYPES)
-        except RuntimeError:
-            pass
-
     # TODO: Move this to core.
     # This would be in .movetocore , but the double-under name here makes that more trouble
     async def bot_check(self, ctx):
@@ -126,59 +116,3 @@ class Mod(
         guild_ignored = await self.settings.guild(ctx.guild).ignored()
         chann_ignored = await self.settings.channel(ctx.channel).ignored()
         return not (guild_ignored or chann_ignored and not perms.manage_channels)
-
-    @classmethod
-    async def get_audit_entry_info(
-        cls, guild: discord.Guild, action: discord.AuditLogAction, target
-    ):
-        """Get info about an audit log entry.
-
-        Parameters
-        ----------
-        guild : discord.Guild
-            Same as ``guild`` in `get_audit_log_entry`.
-        action : int
-            Same as ``action`` in `get_audit_log_entry`.
-        target : `discord.User` or `discord.Member`
-            Same as ``target`` in `get_audit_log_entry`.
-
-        Returns
-        -------
-        tuple
-            A tuple in the form``(mod: discord.Member, reason: str,
-            date_created: datetime.datetime)``. Returns ``(None, None, None)``
-            if the audit log entry could not be found.
-        """
-        try:
-            entry = await cls.get_audit_log_entry(guild, action=action, target=target)
-        except discord.HTTPException:
-            entry = None
-        if entry is None:
-            return None, None, None
-        return entry.user, entry.reason, entry.created_at
-
-    @staticmethod
-    async def get_audit_log_entry(guild: discord.Guild, action: discord.AuditLogAction, target):
-        """Get an audit log entry.
-
-        Any exceptions encountered when looking through the audit log will be
-        propogated out of this function.
-
-        Parameters
-        ----------
-        guild : discord.Guild
-            The guild for the audit log.
-        action : int
-            The audit log action (see `discord.AuditLogAction`).
-        target : `discord.Member` or `discord.User`
-            The target of the audit log action.
-
-        Returns
-        -------
-        discord.AuditLogEntry
-            The audit log entry. Returns ``None`` if not found.
-
-        """
-        async for entry in guild.audit_logs(action=action):
-            if entry.target == target:
-                return entry