feat(silence): allow to silence threads

bot/exts/moderation/silence.py

@@ -178,12 +178,6 @@ async def silence(
  channel_info = f"#{channel} ({channel.id})"
  log.debug(f"{ctx.author} is silencing channel {channel_info}.")
 
- # Since threads don't have specific overrides, we cannot silence them individually.
- # The parent channel has to be muted or the thread should be archived.
- if isinstance(channel, Thread):
- await ctx.send(":x: Threads cannot be silenced.")
- return
-
  if not await self._set_silence_overwrites(channel, kick=kick):
  log.info(f"Tried to silence channel {channel_info} but the channel was already silenced.")
  await self.send_message(MSG_SILENCE_FAIL, ctx.channel, channel, alert_target=False)
@@ -242,6 +236,12 @@ async def _set_silence_overwrites(self, channel: TextOrVoiceChannel, *, kick: bo
  send_messages_in_threads=overwrite.send_messages_in_threads
  )
 
+ elif isinstance(channel, Thread):
+ if channel.id in self.scheduler:
+ return False
+ await channel.edit(locked=True)
+ return True
+
  else:
  role = self._verified_voice_role
  overwrite = channel.overwrites_for(role)
@@ -297,6 +297,11 @@ async def _unsilence_wrapper(self, channel: TextOrVoiceChannel, ctx: Context | N
  if isinstance(channel, VoiceChannel):
  overwrite = channel.overwrites_for(self._verified_voice_role)
  has_channel_overwrites = overwrite.speak is False
+
+ elif isinstance(channel, Thread):
+ await self.send_message(MSG_UNSILENCE_FAIL, msg_channel, channel, alert_target=False)
+ return
+
  else:
  overwrite = channel.overwrites_for(self._everyone_role)
  has_channel_overwrites = overwrite.send_messages is False or overwrite.add_reactions is False
@@ -318,8 +323,11 @@ async def _unsilence(self, channel: TextOrVoiceChannel) -> bool:
  it, cancel the task, and remove it from the notifier. Notify admins if it has a task but
  not cached overwrites.
 
- Return `True` if channel permissions were changed, `False` otherwise.
+ Return `True` if channel was unsilenced, `False` otherwise.
  """
+ if isinstance(channel, Thread):
+ return await self._unsilence_thread(channel)
+
  # Get stored overwrites, and return if channel is unsilenced
  prev_overwrites = await self.previous_overwrites.get(channel.id)
  if channel.id not in self.scheduler and prev_overwrites is None:
@@ -373,6 +381,25 @@ async def _unsilence(self, channel: TextOrVoiceChannel) -> bool:
 
  return True
 
+ async def _unsilence_thread(self, channel: Thread) -> bool:
+ """
+ Unsilence a thread.
+
+ This function works the same as `_unsilence`, the only different behaviour regards unsilencing the channel
+ which doesn't require an edit of the overwrites, instead we unlock the thread.
+
+ Return `True` if the thread was unlocked, `False` otherwise.
+ """
+ if channel.id not in self.scheduler:
+ log.info(f"Tried to unsilence channel #{channel} ({channel.id}) but the channel was not silenced.")
+ return False
+
+ await channel.edit(locked=False)
+ log.info(f"Unsilenced channel #{channel} ({channel.id}).")
+ self.scheduler.cancel(channel.id)
+ self.notifier.remove_channel(channel)
+ return True
+
  @staticmethod
  async def _get_afk_channel(guild: Guild) -> VoiceChannel:
  """Get a guild's AFK channel, or create one if it does not exist."""