Add config to manage how long logs are stored

bot.py

@@ -12,7 +12,7 @@
 import sys
 import platform
 import typing
-from datetime import datetime, timezone
+from datetime import datetime, timezone, timedelta
 from subprocess import PIPE
 from types import SimpleNamespace
 
@@ -616,6 +616,7 @@ async def on_ready(self):
 
         self.post_metadata.start()
         self.autoupdate.start()
+        self.log_expiry.start()
         self._started = True
 
     async def convert_emoji(self, name: str) -> str:
@@ -640,7 +641,6 @@ async def get_or_fetch_user(self, id: int) -> discord.User:
         return self.get_user(id) or await self.fetch_user(id)
 
     async def retrieve_emoji(self) -> typing.Tuple[str, str]:
-
         sent_emoji = self.config["sent_emoji"]
         blocked_emoji = self.config["blocked_emoji"]
 
@@ -714,7 +714,6 @@ def check_manual_blocked_roles(self, author: discord.Member) -> bool:
         if isinstance(author, discord.Member):
             for r in author.roles:
                 if str(r.id) in self.blocked_roles:
-
                     blocked_reason = self.blocked_roles.get(str(r.id)) or ""
 
                     try:
@@ -773,7 +772,6 @@ async def is_blocked(
         channel: discord.TextChannel = None,
         send_message: bool = False,
     ) -> bool:
-
         member = self.guild.get_member(author.id)
         if member is None:
             # try to find in other guilds
@@ -1697,6 +1695,18 @@ async def before_autoupdate(self):
             self.autoupdate.cancel()
             return
 
+    @tasks.loop(hours=1, reconnect=False)
+    async def log_expiry(self):
+        log_expire_after = self.config.get("log_expiration")
+        if log_expire_after == isodate.Duration():
+            return self.log_expiry.stop()
+
+        now = discord.utils.utcnow()
+        expiration_datetime = now - log_expire_after
+        expired_logs = await self.db.logs.delete_many({"closed_at": {"$lte": str(expiration_datetime)}})
+
+        logger.info(f"Deleted {expired_logs.deleted_count} expired logs.")
+
     def format_channel_name(self, author, exclude_channel=None, force_null=False):
         """Sanitises a username for use with text channel names
 

cogs/plugins.py

@@ -276,7 +276,6 @@ async def unload_plugin(self, plugin: Plugin) -> None:
                 del sys.modules[module]
 
     async def parse_user_input(self, ctx, plugin_name, check_version=False):
-
         if not self.bot.config["enable_plugins"]:
             embed = discord.Embed(
                 description="Plugins are disabled, enable them by setting `ENABLE_PLUGINS=true`",
@@ -399,7 +398,6 @@ async def plugins_add(self, ctx, *, plugin_name: str):
         await self.bot.config.update()
 
         if self.bot.config.get("enable_plugins"):
-
             invalidate_caches()
 
             try:

cogs/utility.py

@@ -584,7 +584,6 @@ async def status(self, ctx, *, status_type: str.lower):
         return await ctx.send(embed=embed)
 
     async def set_presence(self, *, status=None, activity_type=None, activity_message=None):
-
         if status is None:
             status = self.bot.config.get("status")
 

core/config.py

@@ -21,7 +21,6 @@
 
 
 class ConfigManager:
-
     public_keys = {
         # activity
         "twitch_url": "https://www.twitch.tv/discordmodmail/",
@@ -37,6 +36,7 @@ class ConfigManager:
         "account_age": isodate.Duration(),
         "guild_age": isodate.Duration(),
         "thread_cooldown": isodate.Duration(),
+        "log_expiration": isodate.Duration(),
         "reply_without_command": False,
         "anon_reply_without_command": False,
         "plain_reply_without_command": False,
@@ -185,7 +185,7 @@ class ConfigManager:
 
     colors = {"mod_color", "recipient_color", "main_color", "error_color"}
 
-    time_deltas = {"account_age", "guild_age", "thread_auto_close", "thread_cooldown"}
+    time_deltas = {"account_age", "guild_age", "thread_auto_close", "thread_cooldown", "log_expiration"}
 
     booleans = {
         "use_user_id_channel_name",

core/config_help.json

@@ -373,6 +373,17 @@
       "To disable thread cooldown, do `{prefix}config del thread_cooldown`."
     ]
   },
+  "log_expiration": {
+    "default": "Never",
+    "description": "The duration closed threads will be stored within the database before deletion. Logs that have been closed for longer than this duration will be deleted automatically.",
+    "examples": [
+      "`{prefix}config set thread_cooldown P12DT3H` (stands for 12 days and 3 hours in [ISO-8601 Duration Format](https://en.wikipedia.org/wiki/ISO_8601#Durations))",
+      "`{prefix}config set thread_cooldown 3 days and 5 hours` (accepted readable time)"
+    ],
+    "notes": [
+      "To disable log expiration, do `{prefix}config del log_expiration`."
+    ]
+  },
   "thread_cancelled": {
     "default": "\"Cancelled\"",
     "description": "This is the message to display when a thread times out and creation is cancelled.",

core/models.py

@@ -294,7 +294,6 @@ async def convert(self, ctx, argument):
         try:
             return await super().convert(ctx, argument)
         except commands.ChannelNotFound:
-
             if guild:
                 categories = {c.name.casefold(): c for c in guild.categories}
             else:

core/thread.py

@@ -721,7 +721,6 @@ async def delete_message(
     async def find_linked_message_from_dm(
         self, message, either_direction=False, get_thread_channel=False
     ) -> typing.List[discord.Message]:
-
         joint_id = None
         if either_direction:
             joint_id = get_joint_id(message)
@@ -914,7 +913,6 @@ async def send(
         persistent_note: bool = False,
         thread_creation: bool = False,
     ) -> None:
-
         if not note and from_mod:
             self.bot.loop.create_task(self._restart_close_timer())  # Start or restart thread auto close