diff options
| -rw-r--r-- | .github/CODEOWNERS | 39 | ||||
| -rw-r--r-- | .github/workflows/build.yml | 2 | ||||
| -rw-r--r-- | .github/workflows/deploy.yml | 5 | ||||
| -rw-r--r-- | bot/constants.py | 9 | ||||
| -rw-r--r-- | bot/converters.py | 29 | ||||
| -rw-r--r-- | bot/exts/help_channels.py | 940 | ||||
| -rw-r--r-- | bot/exts/help_channels/__init__.py | 41 | ||||
| -rw-r--r-- | bot/exts/help_channels/_caches.py | 19 | ||||
| -rw-r--r-- | bot/exts/help_channels/_channel.py | 57 | ||||
| -rw-r--r-- | bot/exts/help_channels/_cog.py | 502 | ||||
| -rw-r--r-- | bot/exts/help_channels/_cooldown.py | 95 | ||||
| -rw-r--r-- | bot/exts/help_channels/_message.py | 217 | ||||
| -rw-r--r-- | bot/exts/help_channels/_name.py | 69 | ||||
| -rw-r--r-- | bot/exts/moderation/infraction/infractions.py | 46 | ||||
| -rw-r--r-- | bot/exts/moderation/infraction/management.py | 74 | ||||
| -rw-r--r-- | bot/resources/tags/microsoft-build-tools.md | 15 | ||||
| -rw-r--r-- | config-default.yml | 15 | ||||
| -rw-r--r-- | deployment.yaml | 21 |
18 files changed, 1165 insertions, 1030 deletions
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index cf5f1590d..642676078 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -1 +1,38 @@ -* @python-discord/core-developers +# Request Dennis for any PR +* @Den4200 + +# Extensions +**/bot/exts/backend/sync/** @MarkKoz +**/bot/exts/filters/*token_remover.py @MarkKoz +**/bot/exts/moderation/*silence.py @MarkKoz +bot/exts/info/codeblock/** @MarkKoz +bot/exts/utils/extensions.py @MarkKoz +bot/exts/utils/snekbox.py @MarkKoz @Akarys42 +bot/exts/help_channels/** @MarkKoz @Akarys42 +bot/exts/moderation/** @Akarys42 @mbaruh +bot/exts/info/** @Akarys42 @mbaruh +bot/exts/filters/** @mbaruh + +# Utils +bot/utils/extensions.py @MarkKoz +bot/utils/function.py @MarkKoz +bot/utils/lock.py @MarkKoz +bot/utils/regex.py @Akarys42 +bot/utils/scheduling.py @MarkKoz + +# Tests +tests/_autospec.py @MarkKoz +tests/bot/exts/test_cogs.py @MarkKoz +tests/** @Akarys42 + +# CI & Docker +.github/workflows/** @MarkKoz @Akarys42 @SebastiaanZ +Dockerfile @MarkKoz @Akarys42 +docker-compose.yml @MarkKoz @Akarys42 + +# Tools +Pipfile* @Akarys42 + +# Statistics +bot/async_stats.py @jb3 +bot/exts/info/stats.py @jb3 diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml index 706ab462f..6152f1543 100644 --- a/.github/workflows/build.yml +++ b/.github/workflows/build.yml @@ -10,7 +10,7 @@ on: jobs: build: - if: github.event.workflow_run.conclusion == 'success' + if: github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'push' name: Build & Push runs-on: ubuntu-latest diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml index 90555a8ee..5a4aede30 100644 --- a/.github/workflows/deploy.yml +++ b/.github/workflows/deploy.yml @@ -23,6 +23,9 @@ jobs: - name: Checkout code uses: actions/checkout@v2 + with: + repository: python-discord/kubernetes + token: ${{ secrets.REPO_TOKEN }} - name: Authenticate with Kubernetes uses: azure/k8s-set-context@v1 @@ -34,6 +37,6 @@ jobs: uses: Azure/k8s-deploy@v1 with: manifests: | - deployment.yaml + bot/deployment.yaml images: 'ghcr.io/python-discord/bot:${{ steps.sha_tag.outputs.tag }}' kubectl-version: 'latest' diff --git a/bot/constants.py b/bot/constants.py index f3870c2ed..5da67f36a 100644 --- a/bot/constants.py +++ b/bot/constants.py @@ -391,12 +391,15 @@ class Channels(metaclass=YAMLGetter): admin_announcements: int admin_spam: int admins: int + admins_voice: int announcements: int attachment_log: int big_brother_logs: int bot_commands: int change_log: int - code_help_voice: int + code_help_chat_1: int + code_help_chat_2: int + code_help_voice_1: int code_help_voice_2: int admins_voice: int staff_voice: int @@ -407,8 +410,8 @@ class Channels(metaclass=YAMLGetter): dev_log: int dm_log: int esoteric: int + general_voice: int helpers: int - how_to_get_help: int incidents: int incidents_archive: int mailing_lists: int @@ -428,6 +431,8 @@ class Channels(metaclass=YAMLGetter): python_news: int reddit: int staff_announcements: int + staff_voice: int + staff_voice_chat: int talent_pool: int user_event_announcements: int user_log: int diff --git a/bot/converters.py b/bot/converters.py index 2e118d476..d0a9731d6 100644 --- a/bot/converters.py +++ b/bot/converters.py @@ -549,6 +549,35 @@ def _snowflake_from_regex(pattern: t.Pattern, arg: str) -> int: return int(match.group(1)) +class Infraction(Converter): + """ + Attempts to convert a given infraction ID into an infraction. + + Alternatively, `l`, `last`, or `recent` can be passed in order to + obtain the most recent infraction by the actor. + """ + + async def convert(self, ctx: Context, arg: str) -> t.Optional[dict]: + """Attempts to convert `arg` into an infraction `dict`.""" + if arg in ("l", "last", "recent"): + params = { + "actor__id": ctx.author.id, + "ordering": "-inserted_at" + } + + infractions = await ctx.bot.api_client.get("bot/infractions", params=params) + + if not infractions: + raise BadArgument( + "Couldn't find most recent infraction; you have never given an infraction." + ) + else: + return infractions[0] + + else: + return await ctx.bot.api_client.get(f"bot/infractions/{arg}") + + Expiry = t.Union[Duration, ISODateTime] FetchedMember = t.Union[discord.Member, FetchedUser] UserMention = partial(_snowflake_from_regex, RE_USER_MENTION) diff --git a/bot/exts/help_channels.py b/bot/exts/help_channels.py deleted file mode 100644 index ced2f72ef..000000000 --- a/bot/exts/help_channels.py +++ /dev/null @@ -1,940 +0,0 @@ -import asyncio -import json -import logging -import random -import typing as t -from collections import deque -from datetime import datetime, timedelta, timezone -from pathlib import Path - -import discord -import discord.abc -from async_rediscache import RedisCache -from discord.ext import commands - -from bot import constants -from bot.bot import Bot -from bot.utils import channel as channel_utils -from bot.utils.scheduling import Scheduler - -log = logging.getLogger(__name__) - -ASKING_GUIDE_URL = "https://pythondiscord.com/pages/asking-good-questions/" -MAX_CHANNELS_PER_CATEGORY = 50 -EXCLUDED_CHANNELS = (constants.Channels.how_to_get_help, constants.Channels.cooldown) - -HELP_CHANNEL_TOPIC = """ -This is a Python help channel. You can claim your own help channel in the Python Help: Available category. -""" - -AVAILABLE_MSG = f""" -**Send your question here to claim the channel** -This channel will be dedicated to answering your question only. Others will try to answer and help you solve the issue. - -**Keep in mind:** -• It's always ok to just ask your question. You don't need permission. -• Explain what you expect to happen and what actually happens. -• Include a code sample and error message, if you got any. - -For more tips, check out our guide on **[asking good questions]({ASKING_GUIDE_URL})**. -""" - -AVAILABLE_TITLE = "Available help channel" - -AVAILABLE_FOOTER = f"Closes after {constants.HelpChannels.idle_minutes} minutes of inactivity or when you send !close." - -DORMANT_MSG = f""" -This help channel has been marked as **dormant**, and has been moved into the **Help: Dormant** \ -category at the bottom of the channel list. It is no longer possible to send messages in this \ -channel until it becomes available again. - -If your question wasn't answered yet, you can claim a new help channel from the \ -**Help: Available** category by simply asking your question again. Consider rephrasing the \ -question to maximize your chance of getting a good answer. If you're not sure how, have a look \ -through our guide for **[asking a good question]({ASKING_GUIDE_URL})**. -""" - -CoroutineFunc = t.Callable[..., t.Coroutine] - - -class HelpChannels(commands.Cog): - """ - Manage the help channel system of the guild. - - The system is based on a 3-category system: - - Available Category - - * Contains channels which are ready to be occupied by someone who needs help - * Will always contain `constants.HelpChannels.max_available` channels; refilled automatically - from the pool of dormant channels - * Prioritise using the channels which have been dormant for the longest amount of time - * If there are no more dormant channels, the bot will automatically create a new one - * If there are no dormant channels to move, helpers will be notified (see `notify()`) - * When a channel becomes available, the dormant embed will be edited to show `AVAILABLE_MSG` - * User can only claim a channel at an interval `constants.HelpChannels.claim_minutes` - * To keep track of cooldowns, user which claimed a channel will have a temporary role - - In Use Category - - * Contains all channels which are occupied by someone needing help - * Channel moves to dormant category after `constants.HelpChannels.idle_minutes` of being idle - * Command can prematurely mark a channel as dormant - * Channel claimant is allowed to use the command - * Allowed roles for the command are configurable with `constants.HelpChannels.cmd_whitelist` - * When a channel becomes dormant, an embed with `DORMANT_MSG` will be sent - - Dormant Category - - * Contains channels which aren't in use - * Channels are used to refill the Available category - - Help channels are named after the chemical elements in `bot/resources/elements.json`. - """ - - # This cache tracks which channels are claimed by which members. - # RedisCache[discord.TextChannel.id, t.Union[discord.User.id, discord.Member.id]] - help_channel_claimants = RedisCache() - - # This cache maps a help channel to whether it has had any - # activity other than the original claimant. True being no other - # activity and False being other activity. - # RedisCache[discord.TextChannel.id, bool] - unanswered = RedisCache() - - # This dictionary maps a help channel to the time it was claimed - # RedisCache[discord.TextChannel.id, UtcPosixTimestamp] - claim_times = RedisCache() - - # This cache maps a help channel to original question message in same channel. - # RedisCache[discord.TextChannel.id, discord.Message.id] - question_messages = RedisCache() - - def __init__(self, bot: Bot): - self.bot = bot - self.scheduler = Scheduler(self.__class__.__name__) - - # Categories - self.available_category: discord.CategoryChannel = None - self.in_use_category: discord.CategoryChannel = None - self.dormant_category: discord.CategoryChannel = None - - # Queues - self.channel_queue: asyncio.Queue[discord.TextChannel] = None - self.name_queue: t.Deque[str] = None - - self.name_positions = self.get_names() - self.last_notification: t.Optional[datetime] = None - - # Asyncio stuff - self.queue_tasks: t.List[asyncio.Task] = [] - self.ready = asyncio.Event() - self.on_message_lock = asyncio.Lock() - self.init_task = self.bot.loop.create_task(self.init_cog()) - - def cog_unload(self) -> None: - """Cancel the init task and scheduled tasks when the cog unloads.""" - log.trace("Cog unload: cancelling the init_cog task") - self.init_task.cancel() - - log.trace("Cog unload: cancelling the channel queue tasks") - for task in self.queue_tasks: - task.cancel() - - self.scheduler.cancel_all() - - def create_channel_queue(self) -> asyncio.Queue: - """ - Return a queue of dormant channels to use for getting the next available channel. - - The channels are added to the queue in a random order. - """ - log.trace("Creating the channel queue.") - - channels = list(self.get_category_channels(self.dormant_category)) - random.shuffle(channels) - - log.trace("Populating the channel queue with channels.") - queue = asyncio.Queue() - for channel in channels: - queue.put_nowait(channel) - - return queue - - async def create_dormant(self) -> t.Optional[discord.TextChannel]: - """ - Create and return a new channel in the Dormant category. - - The new channel will sync its permission overwrites with the category. - - Return None if no more channel names are available. - """ - log.trace("Getting a name for a new dormant channel.") - - try: - name = self.name_queue.popleft() - except IndexError: - log.debug("No more names available for new dormant channels.") - return None - - log.debug(f"Creating a new dormant channel named {name}.") - return await self.dormant_category.create_text_channel(name, topic=HELP_CHANNEL_TOPIC) - - def create_name_queue(self) -> deque: - """Return a queue of element names to use for creating new channels.""" - log.trace("Creating the chemical element name queue.") - - used_names = self.get_used_names() - - log.trace("Determining the available names.") - available_names = (name for name in self.name_positions if name not in used_names) - - log.trace("Populating the name queue with names.") - return deque(available_names) - - async def dormant_check(self, ctx: commands.Context) -> bool: - """Return True if the user is the help channel claimant or passes the role check.""" - if await self.help_channel_claimants.get(ctx.channel.id) == ctx.author.id: - log.trace(f"{ctx.author} is the help channel claimant, passing the check for dormant.") - self.bot.stats.incr("help.dormant_invoke.claimant") - return True - - log.trace(f"{ctx.author} is not the help channel claimant, checking roles.") - has_role = await commands.has_any_role(*constants.HelpChannels.cmd_whitelist).predicate(ctx) - - if has_role: - self.bot.stats.incr("help.dormant_invoke.staff") - - return has_role - - @commands.command(name="close", aliases=["dormant", "solved"], enabled=False) - async def close_command(self, ctx: commands.Context) -> None: - """ - Make the current in-use help channel dormant. - - Make the channel dormant if the user passes the `dormant_check`, - delete the message that invoked this, - and reset the send permissions cooldown for the user who started the session. - """ - log.trace("close command invoked; checking if the channel is in-use.") - if ctx.channel.category == self.in_use_category: - if await self.dormant_check(ctx): - await self.remove_cooldown_role(ctx.author) - - # Ignore missing task when cooldown has passed but the channel still isn't dormant. - if ctx.author.id in self.scheduler: - self.scheduler.cancel(ctx.author.id) - - await self.move_to_dormant(ctx.channel, "command") - self.scheduler.cancel(ctx.channel.id) - else: - log.debug(f"{ctx.author} invoked command 'dormant' outside an in-use help channel") - - async def get_available_candidate(self) -> discord.TextChannel: - """ - Return a dormant channel to turn into an available channel. - - If no channel is available, wait indefinitely until one becomes available. - """ - log.trace("Getting an available channel candidate.") - - try: - channel = self.channel_queue.get_nowait() - except asyncio.QueueEmpty: - log.info("No candidate channels in the queue; creating a new channel.") - channel = await self.create_dormant() - - if not channel: - log.info("Couldn't create a candidate channel; waiting to get one from the queue.") - await self.notify() - channel = await self.wait_for_dormant_channel() - - return channel - - @staticmethod - def get_clean_channel_name(channel: discord.TextChannel) -> str: - """Return a clean channel name without status emojis prefix.""" - prefix = constants.HelpChannels.name_prefix - try: - # Try to remove the status prefix using the index of the channel prefix - name = channel.name[channel.name.index(prefix):] - log.trace(f"The clean name for `{channel}` is `{name}`") - except ValueError: - # If, for some reason, the channel name does not contain "help-" fall back gracefully - log.info(f"Can't get clean name because `{channel}` isn't prefixed by `{prefix}`.") - name = channel.name - - return name - - @staticmethod - def is_excluded_channel(channel: discord.abc.GuildChannel) -> bool: - """Check if a channel should be excluded from the help channel system.""" - return not isinstance(channel, discord.TextChannel) or channel.id in EXCLUDED_CHANNELS - - def get_category_channels(self, category: discord.CategoryChannel) -> t.Iterable[discord.TextChannel]: - """Yield the text channels of the `category` in an unsorted manner.""" - log.trace(f"Getting text channels in the category '{category}' ({category.id}).") - - # This is faster than using category.channels because the latter sorts them. - for channel in self.bot.get_guild(constants.Guild.id).channels: - if channel.category_id == category.id and not self.is_excluded_channel(channel): - yield channel - - async def get_in_use_time(self, channel_id: int) -> t.Optional[timedelta]: - """Return the duration `channel_id` has been in use. Return None if it's not in use.""" - log.trace(f"Calculating in use time for channel {channel_id}.") - - claimed_timestamp = await self.claim_times.get(channel_id) - if claimed_timestamp: - claimed = datetime.utcfromtimestamp(claimed_timestamp) - return datetime.utcnow() - claimed - - @staticmethod - def get_names() -> t.List[str]: - """ - Return a truncated list of prefixed element names. - - The amount of names is configured with `HelpChannels.max_total_channels`. - The prefix is configured with `HelpChannels.name_prefix`. - """ - count = constants.HelpChannels.max_total_channels - prefix = constants.HelpChannels.name_prefix - - log.trace(f"Getting the first {count} element names from JSON.") - - with Path("bot/resources/elements.json").open(encoding="utf-8") as elements_file: - all_names = json.load(elements_file) - - if prefix: - return [prefix + name for name in all_names[:count]] - else: - return all_names[:count] - - def get_used_names(self) -> t.Set[str]: - """Return channel names which are already being used.""" - log.trace("Getting channel names which are already being used.") - - names = set() - for cat in (self.available_category, self.in_use_category, self.dormant_category): - for channel in self.get_category_channels(cat): - names.add(self.get_clean_channel_name(channel)) - - if len(names) > MAX_CHANNELS_PER_CATEGORY: - log.warning( - f"Too many help channels ({len(names)}) already exist! " - f"Discord only supports {MAX_CHANNELS_PER_CATEGORY} in a category." - ) - - log.trace(f"Got {len(names)} used names: {names}") - return names - - @classmethod - async def get_idle_time(cls, channel: discord.TextChannel) -> t.Optional[int]: - """ - Return the time elapsed, in seconds, since the last message sent in the `channel`. - - Return None if the channel has no messages. - """ - log.trace(f"Getting the idle time for #{channel} ({channel.id}).") - - msg = await cls.get_last_message(channel) - if not msg: - log.debug(f"No idle time available; #{channel} ({channel.id}) has no messages.") - return None - - idle_time = (datetime.utcnow() - msg.created_at).seconds - - log.trace(f"#{channel} ({channel.id}) has been idle for {idle_time} seconds.") - return idle_time - - @staticmethod - async def get_last_message(channel: discord.TextChannel) -> t.Optional[discord.Message]: - """Return the last message sent in the channel or None if no messages exist.""" - log.trace(f"Getting the last message in #{channel} ({channel.id}).") - - try: - return await channel.history(limit=1).next() # noqa: B305 - except discord.NoMoreItems: - log.debug(f"No last message available; #{channel} ({channel.id}) has no messages.") - return None - - async def init_available(self) -> None: - """Initialise the Available category with channels.""" - log.trace("Initialising the Available category with channels.") - - channels = list(self.get_category_channels(self.available_category)) - missing = constants.HelpChannels.max_available - len(channels) - - # If we've got less than `max_available` channel available, we should add some. - if missing > 0: - log.trace(f"Moving {missing} missing channels to the Available category.") - for _ in range(missing): - await self.move_to_available() - - # If for some reason we have more than `max_available` channels available, - # we should move the superfluous ones over to dormant. - elif missing < 0: - log.trace(f"Moving {abs(missing)} superfluous available channels over to the Dormant category.") - for channel in channels[:abs(missing)]: - await self.move_to_dormant(channel, "auto") - - async def init_categories(self) -> None: - """Get the help category objects. Remove the cog if retrieval fails.""" - log.trace("Getting the CategoryChannel objects for the help categories.") - - try: - self.available_category = await channel_utils.try_get_channel( - constants.Categories.help_available - ) - self.in_use_category = await channel_utils.try_get_channel( - constants.Categories.help_in_use - ) - self.dormant_category = await channel_utils.try_get_channel( - constants.Categories.help_dormant - ) - except discord.HTTPException: - log.exception("Failed to get a category; cog will be removed") - self.bot.remove_cog(self.qualified_name) - - async def init_cog(self) -> None: - """Initialise the help channel system.""" - log.trace("Waiting for the guild to be available before initialisation.") - await self.bot.wait_until_guild_available() - - log.trace("Initialising the cog.") - await self.init_categories() - await self.check_cooldowns() - - self.channel_queue = self.create_channel_queue() - self.name_queue = self.create_name_queue() - - log.trace("Moving or rescheduling in-use channels.") - for channel in self.get_category_channels(self.in_use_category): - await self.move_idle_channel(channel, has_task=False) - - # Prevent the command from being used until ready. - # The ready event wasn't used because channels could change categories between the time - # the command is invoked and the cog is ready (e.g. if move_idle_channel wasn't called yet). - # This may confuse users. So would potentially long delays for the cog to become ready. - self.close_command.enabled = True - - await self.init_available() - - log.info("Cog is ready!") - self.ready.set() - - self.report_stats() - - def report_stats(self) -> None: - """Report the channel count stats.""" - total_in_use = sum(1 for _ in self.get_category_channels(self.in_use_category)) - total_available = sum(1 for _ in self.get_category_channels(self.available_category)) - total_dormant = sum(1 for _ in self.get_category_channels(self.dormant_category)) - - self.bot.stats.gauge("help.total.in_use", total_in_use) - self.bot.stats.gauge("help.total.available", total_available) - self.bot.stats.gauge("help.total.dormant", total_dormant) - - @staticmethod - def is_claimant(member: discord.Member) -> bool: - """Return True if `member` has the 'Help Cooldown' role.""" - return any(constants.Roles.help_cooldown == role.id for role in member.roles) - - def match_bot_embed(self, message: t.Optional[discord.Message], description: str) -> bool: - """Return `True` if the bot's `message`'s embed description matches `description`.""" - if not message or not message.embeds: - return False - - bot_msg_desc = message.embeds[0].description - if bot_msg_desc is discord.Embed.Empty: - log.trace("Last message was a bot embed but it was empty.") - return False - return message.author == self.bot.user and bot_msg_desc.strip() == description.strip() - - async def move_idle_channel(self, channel: discord.TextChannel, has_task: bool = True) -> None: - """ - Make the `channel` dormant if idle or schedule the move if still active. - - If `has_task` is True and rescheduling is required, the extant task to make the channel - dormant will first be cancelled. - """ - log.trace(f"Handling in-use channel #{channel} ({channel.id}).") - - if not await self.is_empty(channel): - idle_seconds = constants.HelpChannels.idle_minutes * 60 - else: - idle_seconds = constants.HelpChannels.deleted_idle_minutes * 60 - - time_elapsed = await self.get_idle_time(channel) - - if time_elapsed is None or time_elapsed >= idle_seconds: - log.info( - f"#{channel} ({channel.id}) is idle longer than {idle_seconds} seconds " - f"and will be made dormant." - ) - - await self.move_to_dormant(channel, "auto") - else: - # Cancel the existing task, if any. - if has_task: - self.scheduler.cancel(channel.id) - - delay = idle_seconds - time_elapsed - log.info( - f"#{channel} ({channel.id}) is still active; " - f"scheduling it to be moved after {delay} seconds." - ) - - self.scheduler.schedule_later(delay, channel.id, self.move_idle_channel(channel)) - - async def move_to_bottom_position(self, channel: discord.TextChannel, category_id: int, **options) -> None: - """ - Move the `channel` to the bottom position of `category` and edit channel attributes. - - To ensure "stable sorting", we use the `bulk_channel_update` endpoint and provide the current - positions of the other channels in the category as-is. This should make sure that the channel - really ends up at the bottom of the category. - - If `options` are provided, the channel will be edited after the move is completed. This is the - same order of operations that `discord.TextChannel.edit` uses. For information on available - options, see the documentation on `discord.TextChannel.edit`. While possible, position-related - options should be avoided, as it may interfere with the category move we perform. - """ - # Get a fresh copy of the category from the bot to avoid the cache mismatch issue we had. - category = await channel_utils.try_get_channel(category_id) - - payload = [{"id": c.id, "position": c.position} for c in category.channels] - - # Calculate the bottom position based on the current highest position in the category. If the - # category is currently empty, we simply use the current position of the channel to avoid making - # unnecessary changes to positions in the guild. - bottom_position = payload[-1]["position"] + 1 if payload else channel.position - - payload.append( - { - "id": channel.id, - "position": bottom_position, - "parent_id": category.id, - "lock_permissions": True, - } - ) - - # We use d.py's method to ensure our request is processed by d.py's rate limit manager - await self.bot.http.bulk_channel_update(category.guild.id, payload) - - # Now that the channel is moved, we can edit the other attributes - if options: - await channel.edit(**options) - - async def move_to_available(self) -> None: - """Make a channel available.""" - log.trace("Making a channel available.") - - channel = await self.get_available_candidate() - log.info(f"Making #{channel} ({channel.id}) available.") - - await self.send_available_message(channel) - - log.trace(f"Moving #{channel} ({channel.id}) to the Available category.") - - await self.move_to_bottom_position( - channel=channel, - category_id=constants.Categories.help_available, - ) - - self.report_stats() - - async def move_to_dormant(self, channel: discord.TextChannel, caller: str) -> None: - """ - Make the `channel` dormant. - - A caller argument is provided for metrics. - """ - log.info(f"Moving #{channel} ({channel.id}) to the Dormant category.") - - await self.help_channel_claimants.delete(channel.id) - await self.move_to_bottom_position( - channel=channel, - category_id=constants.Categories.help_dormant, - ) - - self.bot.stats.incr(f"help.dormant_calls.{caller}") - - in_use_time = await self.get_in_use_time(channel.id) - if in_use_time: - self.bot.stats.timing("help.in_use_time", in_use_time) - - unanswered = await self.unanswered.get(channel.id) - if unanswered: - self.bot.stats.incr("help.sessions.unanswered") - elif unanswered is not None: - self.bot.stats.incr("help.sessions.answered") - - log.trace(f"Position of #{channel} ({channel.id}) is actually {channel.position}.") - log.trace(f"Sending dormant message for #{channel} ({channel.id}).") - embed = discord.Embed(description=DORMANT_MSG) - await channel.send(embed=embed) - - await self.unpin(channel) - - log.trace(f"Pushing #{channel} ({channel.id}) into the channel queue.") - self.channel_queue.put_nowait(channel) - self.report_stats() - - async def move_to_in_use(self, channel: discord.TextChannel) -> None: - """Make a channel in-use and schedule it to be made dormant.""" - log.info(f"Moving #{channel} ({channel.id}) to the In Use category.") - - await self.move_to_bottom_position( - channel=channel, - category_id=constants.Categories.help_in_use, - ) - - timeout = constants.HelpChannels.idle_minutes * 60 - - log.trace(f"Scheduling #{channel} ({channel.id}) to become dormant in {timeout} sec.") - self.scheduler.schedule_later(timeout, channel.id, self.move_idle_channel(channel)) - self.report_stats() - - async def notify(self) -> None: - """ - Send a message notifying about a lack of available help channels. - - Configuration: - - * `HelpChannels.notify` - toggle notifications - * `HelpChannels.notify_channel` - destination channel for notifications - * `HelpChannels.notify_minutes` - minimum interval between notifications - * `HelpChannels.notify_roles` - roles mentioned in notifications - """ - if not constants.HelpChannels.notify: - return - - log.trace("Notifying about lack of channels.") - - if self.last_notification: - elapsed = (datetime.utcnow() - self.last_notification).seconds - minimum_interval = constants.HelpChannels.notify_minutes * 60 - should_send = elapsed >= minimum_interval - else: - should_send = True - - if not should_send: - log.trace("Notification not sent because it's too recent since the previous one.") - return - - try: - log.trace("Sending notification message.") - - channel = self.bot.get_channel(constants.HelpChannels.notify_channel) - mentions = " ".join(f"<@&{role}>" for role in constants.HelpChannels.notify_roles) - allowed_roles = [discord.Object(id_) for id_ in constants.HelpChannels.notify_roles] - - message = await channel.send( - f"{mentions} A new available help channel is needed but there " - f"are no more dormant ones. Consider freeing up some in-use channels manually by " - f"using the `{constants.Bot.prefix}dormant` command within the channels.", - allowed_mentions=discord.AllowedMentions(everyone=False, roles=allowed_roles) - ) - - self.bot.stats.incr("help.out_of_channel_alerts") - - self.last_notification = message.created_at - except Exception: - # Handle it here cause this feature isn't critical for the functionality of the system. - log.exception("Failed to send notification about lack of dormant channels!") - - async def check_for_answer(self, message: discord.Message) -> None: - """Checks for whether new content in a help channel comes from non-claimants.""" - channel = message.channel - - # Confirm the channel is an in use help channel - if channel_utils.is_in_category(channel, constants.Categories.help_in_use): - log.trace(f"Checking if #{channel} ({channel.id}) has been answered.") - - # Check if there is an entry in unanswered - if await self.unanswered.contains(channel.id): - claimant_id = await self.help_channel_claimants.get(channel.id) - if not claimant_id: - # The mapping for this channel doesn't exist, we can't do anything. - return - - # Check the message did not come from the claimant - if claimant_id != message.author.id: - # Mark the channel as answered - await self.unanswered.set(channel.id, False) - - @commands.Cog.listener() - async def on_message(self, message: discord.Message) -> None: - """Move an available channel to the In Use category and replace it with a dormant one.""" - if message.author.bot: - return # Ignore messages sent by bots. - - channel = message.channel - - await self.check_for_answer(message) - - is_available = channel_utils.is_in_category(channel, constants.Categories.help_available) - if not is_available or self.is_excluded_channel(channel): - return # Ignore messages outside the Available category or in excluded channels. - - log.trace("Waiting for the cog to be ready before processing messages.") - await self.ready.wait() - - log.trace("Acquiring lock to prevent a channel from being processed twice...") - async with self.on_message_lock: - log.trace(f"on_message lock acquired for {message.id}.") - - if not channel_utils.is_in_category(channel, constants.Categories.help_available): - log.debug( - f"Message {message.id} will not make #{channel} ({channel.id}) in-use " - f"because another message in the channel already triggered that." - ) - return - - log.info(f"Channel #{channel} was claimed by `{message.author.id}`.") - await self.move_to_in_use(channel) - await self.revoke_send_permissions(message.author) - - await self.pin(message) - - # Add user with channel for dormant check. - await self.help_channel_claimants.set(channel.id, message.author.id) - - self.bot.stats.incr("help.claimed") - - # Must use a timezone-aware datetime to ensure a correct POSIX timestamp. - timestamp = datetime.now(timezone.utc).timestamp() - await self.claim_times.set(channel.id, timestamp) - - await self.unanswered.set(channel.id, True) - - log.trace(f"Releasing on_message lock for {message.id}.") - - # Move a dormant channel to the Available category to fill in the gap. - # This is done last and outside the lock because it may wait indefinitely for a channel to - # be put in the queue. - await self.move_to_available() - - @commands.Cog.listener() - async def on_message_delete(self, msg: discord.Message) -> None: - """ - Reschedule an in-use channel to become dormant sooner if the channel is empty. - - The new time for the dormant task is configured with `HelpChannels.deleted_idle_minutes`. - """ - if not channel_utils.is_in_category(msg.channel, constants.Categories.help_in_use): - return - - if not await self.is_empty(msg.channel): - return - - log.info(f"Claimant of #{msg.channel} ({msg.author}) deleted message, channel is empty now. Rescheduling task.") - - # Cancel existing dormant task before scheduling new. - self.scheduler.cancel(msg.channel.id) - - delay = constants.HelpChannels.deleted_idle_minutes * 60 - self.scheduler.schedule_later(delay, msg.channel.id, self.move_idle_channel(msg.channel)) - - async def is_empty(self, channel: discord.TextChannel) -> bool: - """Return True if there's an AVAILABLE_MSG and the messages leading up are bot messages.""" - log.trace(f"Checking if #{channel} ({channel.id}) is empty.") - - # A limit of 100 results in a single API call. - # If AVAILABLE_MSG isn't found within 100 messages, then assume the channel is not empty. - # Not gonna do an extensive search for it cause it's too expensive. - async for msg in channel.history(limit=100): - if not msg.author.bot: - log.trace(f"#{channel} ({channel.id}) has a non-bot message.") - return False - - if self.match_bot_embed(msg, AVAILABLE_MSG): - log.trace(f"#{channel} ({channel.id}) has the available message embed.") - return True - - return False - - async def check_cooldowns(self) -> None: - """Remove expired cooldowns and re-schedule active ones.""" - log.trace("Checking all cooldowns to remove or re-schedule them.") - guild = self.bot.get_guild(constants.Guild.id) - cooldown = constants.HelpChannels.claim_minutes * 60 - - for channel_id, member_id in await self.help_channel_claimants.items(): - member = guild.get_member(member_id) - if not member: - continue # Member probably left the guild. - - in_use_time = await self.get_in_use_time(channel_id) - - if not in_use_time or in_use_time.seconds > cooldown: - # Remove the role if no claim time could be retrieved or if the cooldown expired. - # Since the channel is in the claimants cache, it is definitely strange for a time - # to not exist. However, it isn't a reason to keep the user stuck with a cooldown. - await self.remove_cooldown_role(member) - else: - # The member is still on a cooldown; re-schedule it for the remaining time. - delay = cooldown - in_use_time.seconds - self.scheduler.schedule_later(delay, member.id, self.remove_cooldown_role(member)) - - async def add_cooldown_role(self, member: discord.Member) -> None: - """Add the help cooldown role to `member`.""" - log.trace(f"Adding cooldown role for {member} ({member.id}).") - await self._change_cooldown_role(member, member.add_roles) - - async def remove_cooldown_role(self, member: discord.Member) -> None: - """Remove the help cooldown role from `member`.""" - log.trace(f"Removing cooldown role for {member} ({member.id}).") - await self._change_cooldown_role(member, member.remove_roles) - - async def _change_cooldown_role(self, member: discord.Member, coro_func: CoroutineFunc) -> None: - """ - Change `member`'s cooldown role via awaiting `coro_func` and handle errors. - - `coro_func` is intended to be `discord.Member.add_roles` or `discord.Member.remove_roles`. - """ - guild = self.bot.get_guild(constants.Guild.id) - role = guild.get_role(constants.Roles.help_cooldown) - if role is None: - log.warning(f"Help cooldown role ({constants.Roles.help_cooldown}) could not be found!") - return - - try: - await coro_func(role) - except discord.NotFound: - log.debug(f"Failed to change role for {member} ({member.id}): member not found") - except discord.Forbidden: - log.debug( - f"Forbidden to change role for {member} ({member.id}); " - f"possibly due to role hierarchy" - ) - except discord.HTTPException as e: - log.error(f"Failed to change role for {member} ({member.id}): {e.status} {e.code}") - - async def revoke_send_permissions(self, member: discord.Member) -> None: - """ - Disallow `member` to send messages in the Available category for a certain time. - - The time until permissions are reinstated can be configured with - `HelpChannels.claim_minutes`. - """ - log.trace( - f"Revoking {member}'s ({member.id}) send message permissions in the Available category." - ) - - await self.add_cooldown_role(member) - - # Cancel the existing task, if any. - # Would mean the user somehow bypassed the lack of permissions (e.g. user is guild owner). - if member.id in self.scheduler: - self.scheduler.cancel(member.id) - - delay = constants.HelpChannels.claim_minutes * 60 - self.scheduler.schedule_later(delay, member.id, self.remove_cooldown_role(member)) - - async def send_available_message(self, channel: discord.TextChannel) -> None: - """Send the available message by editing a dormant message or sending a new message.""" - channel_info = f"#{channel} ({channel.id})" - log.trace(f"Sending available message in {channel_info}.") - - embed = discord.Embed( - color=constants.Colours.bright_green, - description=AVAILABLE_MSG, - ) - embed.set_author(name=AVAILABLE_TITLE, icon_url=constants.Icons.green_checkmark) - embed.set_footer(text=AVAILABLE_FOOTER) - - msg = await self.get_last_message(channel) - if self.match_bot_embed(msg, DORMANT_MSG): - log.trace(f"Found dormant message {msg.id} in {channel_info}; editing it.") - await msg.edit(embed=embed) - else: - log.trace(f"Dormant message not found in {channel_info}; sending a new message.") - await channel.send(embed=embed) - - async def pin_wrapper(self, msg_id: int, channel: discord.TextChannel, *, pin: bool) -> bool: - """ - Pin message `msg_id` in `channel` if `pin` is True or unpin if it's False. - - Return True if successful and False otherwise. - """ - channel_str = f"#{channel} ({channel.id})" - if pin: - func = self.bot.http.pin_message - verb = "pin" - else: - func = self.bot.http.unpin_message - verb = "unpin" - - try: - await func(channel.id, msg_id) - except discord.HTTPException as e: - if e.code == 10008: - log.debug(f"Message {msg_id} in {channel_str} doesn't exist; can't {verb}.") - else: - log.exception( - f"Error {verb}ning message {msg_id} in {channel_str}: {e.status} ({e.code})" - ) - return False - else: - log.trace(f"{verb.capitalize()}ned message {msg_id} in {channel_str}.") - return True - - async def pin(self, message: discord.Message) -> None: - """Pin an initial question `message` and store it in a cache.""" - if await self.pin_wrapper(message.id, message.channel, pin=True): - await self.question_messages.set(message.channel.id, message.id) - - async def unpin(self, channel: discord.TextChannel) -> None: - """Unpin the initial question message sent in `channel`.""" - msg_id = await self.question_messages.pop(channel.id) - if msg_id is None: - log.debug(f"#{channel} ({channel.id}) doesn't have a message pinned.") - else: - await self.pin_wrapper(msg_id, channel, pin=False) - - async def wait_for_dormant_channel(self) -> discord.TextChannel: - """Wait for a dormant channel to become available in the queue and return it.""" - log.trace("Waiting for a dormant channel.") - - task = asyncio.create_task(self.channel_queue.get()) - self.queue_tasks.append(task) - channel = await task - - log.trace(f"Channel #{channel} ({channel.id}) finally retrieved from the queue.") - self.queue_tasks.remove(task) - - return channel - - -def validate_config() -> None: - """Raise a ValueError if the cog's config is invalid.""" - log.trace("Validating config.") - total = constants.HelpChannels.max_total_channels - available = constants.HelpChannels.max_available - - if total == 0 or available == 0: - raise ValueError("max_total_channels and max_available and must be greater than 0.") - - if total < available: - raise ValueError( - f"max_total_channels ({total}) must be greater than or equal to max_available " - f"({available})." - ) - - if total > MAX_CHANNELS_PER_CATEGORY: - raise ValueError( - f"max_total_channels ({total}) must be less than or equal to " - f"{MAX_CHANNELS_PER_CATEGORY} due to Discord's limit on channels per category." - ) - - -def setup(bot: Bot) -> None: - """Load the HelpChannels cog.""" - try: - validate_config() - except ValueError as e: - log.error(f"HelpChannels cog will not be loaded due to misconfiguration: {e}") - else: - bot.add_cog(HelpChannels(bot)) diff --git a/bot/exts/help_channels/__init__.py b/bot/exts/help_channels/__init__.py new file mode 100644 index 000000000..781f40449 --- /dev/null +++ b/bot/exts/help_channels/__init__.py @@ -0,0 +1,41 @@ +import logging + +from bot import constants +from bot.bot import Bot +from bot.exts.help_channels._channel import MAX_CHANNELS_PER_CATEGORY + +log = logging.getLogger(__name__) + + +def validate_config() -> None: + """Raise a ValueError if the cog's config is invalid.""" + log.trace("Validating config.") + total = constants.HelpChannels.max_total_channels + available = constants.HelpChannels.max_available + + if total == 0 or available == 0: + raise ValueError("max_total_channels and max_available and must be greater than 0.") + + if total < available: + raise ValueError( + f"max_total_channels ({total}) must be greater than or equal to max_available " + f"({available})." + ) + + if total > MAX_CHANNELS_PER_CATEGORY: + raise ValueError( + f"max_total_channels ({total}) must be less than or equal to " + f"{MAX_CHANNELS_PER_CATEGORY} due to Discord's limit on channels per category." + ) + + +def setup(bot: Bot) -> None: + """Load the HelpChannels cog.""" + # Defer import to reduce side effects from importing the help_channels package. + from bot.exts.help_channels._cog import HelpChannels + try: + validate_config() + except ValueError as e: + log.error(f"HelpChannels cog will not be loaded due to misconfiguration: {e}") + else: + bot.add_cog(HelpChannels(bot)) diff --git a/bot/exts/help_channels/_caches.py b/bot/exts/help_channels/_caches.py new file mode 100644 index 000000000..4cea385b7 --- /dev/null +++ b/bot/exts/help_channels/_caches.py @@ -0,0 +1,19 @@ +from async_rediscache import RedisCache + +# This dictionary maps a help channel to the time it was claimed +# RedisCache[discord.TextChannel.id, UtcPosixTimestamp] +claim_times = RedisCache(namespace="HelpChannels.claim_times") + +# This cache tracks which channels are claimed by which members. +# RedisCache[discord.TextChannel.id, t.Union[discord.User.id, discord.Member.id]] +claimants = RedisCache(namespace="HelpChannels.help_channel_claimants") + +# This cache maps a help channel to original question message in same channel. +# RedisCache[discord.TextChannel.id, discord.Message.id] +question_messages = RedisCache(namespace="HelpChannels.question_messages") + +# This cache maps a help channel to whether it has had any +# activity other than the original claimant. True being no other +# activity and False being other activity. +# RedisCache[discord.TextChannel.id, bool] +unanswered = RedisCache(namespace="HelpChannels.unanswered") diff --git a/bot/exts/help_channels/_channel.py b/bot/exts/help_channels/_channel.py new file mode 100644 index 000000000..e717d7af8 --- /dev/null +++ b/bot/exts/help_channels/_channel.py @@ -0,0 +1,57 @@ +import logging +import typing as t +from datetime import datetime, timedelta + +import discord + +from bot import constants +from bot.exts.help_channels import _caches, _message + +log = logging.getLogger(__name__) + +MAX_CHANNELS_PER_CATEGORY = 50 +EXCLUDED_CHANNELS = (constants.Channels.cooldown,) + + +def get_category_channels(category: discord.CategoryChannel) -> t.Iterable[discord.TextChannel]: + """Yield the text channels of the `category` in an unsorted manner.""" + log.trace(f"Getting text channels in the category '{category}' ({category.id}).") + + # This is faster than using category.channels because the latter sorts them. + for channel in category.guild.channels: + if channel.category_id == category.id and not is_excluded_channel(channel): + yield channel + + +async def get_idle_time(channel: discord.TextChannel) -> t.Optional[int]: + """ + Return the time elapsed, in seconds, since the last message sent in the `channel`. + + Return None if the channel has no messages. + """ + log.trace(f"Getting the idle time for #{channel} ({channel.id}).") + + msg = await _message.get_last_message(channel) + if not msg: + log.debug(f"No idle time available; #{channel} ({channel.id}) has no messages.") + return None + + idle_time = (datetime.utcnow() - msg.created_at).seconds + + log.trace(f"#{channel} ({channel.id}) has been idle for {idle_time} seconds.") + return idle_time + + +async def get_in_use_time(channel_id: int) -> t.Optional[timedelta]: + """Return the duration `channel_id` has been in use. Return None if it's not in use.""" + log.trace(f"Calculating in use time for channel {channel_id}.") + + claimed_timestamp = await _caches.claim_times.get(channel_id) + if claimed_timestamp: + claimed = datetime.utcfromtimestamp(claimed_timestamp) + return datetime.utcnow() - claimed + + +def is_excluded_channel(channel: discord.abc.GuildChannel) -> bool: + """Check if a channel should be excluded from the help channel system.""" + return not isinstance(channel, discord.TextChannel) or channel.id in EXCLUDED_CHANNELS diff --git a/bot/exts/help_channels/_cog.py b/bot/exts/help_channels/_cog.py new file mode 100644 index 000000000..e22d4663e --- /dev/null +++ b/bot/exts/help_channels/_cog.py @@ -0,0 +1,502 @@ +import asyncio +import logging +import random +import typing as t +from datetime import datetime, timezone + +import discord +import discord.abc +from discord.ext import commands + +from bot import constants +from bot.bot import Bot +from bot.exts.help_channels import _caches, _channel, _cooldown, _message, _name +from bot.utils import channel as channel_utils +from bot.utils.scheduling import Scheduler + +log = logging.getLogger(__name__) + +HELP_CHANNEL_TOPIC = """ +This is a Python help channel. You can claim your own help channel in the Python Help: Available category. +""" + + +class HelpChannels(commands.Cog): + """ + Manage the help channel system of the guild. + + The system is based on a 3-category system: + + Available Category + + * Contains channels which are ready to be occupied by someone who needs help + * Will always contain `constants.HelpChannels.max_available` channels; refilled automatically + from the pool of dormant channels + * Prioritise using the channels which have been dormant for the longest amount of time + * If there are no more dormant channels, the bot will automatically create a new one + * If there are no dormant channels to move, helpers will be notified (see `notify()`) + * When a channel becomes available, the dormant embed will be edited to show `AVAILABLE_MSG` + * User can only claim a channel at an interval `constants.HelpChannels.claim_minutes` + * To keep track of cooldowns, user which claimed a channel will have a temporary role + + In Use Category + + * Contains all channels which are occupied by someone needing help + * Channel moves to dormant category after `constants.HelpChannels.idle_minutes` of being idle + * Command can prematurely mark a channel as dormant + * Channel claimant is allowed to use the command + * Allowed roles for the command are configurable with `constants.HelpChannels.cmd_whitelist` + * When a channel becomes dormant, an embed with `DORMANT_MSG` will be sent + + Dormant Category + + * Contains channels which aren't in use + * Channels are used to refill the Available category + + Help channels are named after the chemical elements in `bot/resources/elements.json`. + """ + + def __init__(self, bot: Bot): + self.bot = bot + self.scheduler = Scheduler(self.__class__.__name__) + + # Categories + self.available_category: discord.CategoryChannel = None + self.in_use_category: discord.CategoryChannel = None + self.dormant_category: discord.CategoryChannel = None + + # Queues + self.channel_queue: asyncio.Queue[discord.TextChannel] = None + self.name_queue: t.Deque[str] = None + + self.last_notification: t.Optional[datetime] = None + + # Asyncio stuff + self.queue_tasks: t.List[asyncio.Task] = [] + self.on_message_lock = asyncio.Lock() + self.init_task = self.bot.loop.create_task(self.init_cog()) + + def cog_unload(self) -> None: + """Cancel the init task and scheduled tasks when the cog unloads.""" + log.trace("Cog unload: cancelling the init_cog task") + self.init_task.cancel() + + log.trace("Cog unload: cancelling the channel queue tasks") + for task in self.queue_tasks: + task.cancel() + + self.scheduler.cancel_all() + + def create_channel_queue(self) -> asyncio.Queue: + """ + Return a queue of dormant channels to use for getting the next available channel. + + The channels are added to the queue in a random order. + """ + log.trace("Creating the channel queue.") + + channels = list(_channel.get_category_channels(self.dormant_category)) + random.shuffle(channels) + + log.trace("Populating the channel queue with channels.") + queue = asyncio.Queue() + for channel in channels: + queue.put_nowait(channel) + + return queue + + async def create_dormant(self) -> t.Optional[discord.TextChannel]: + """ + Create and return a new channel in the Dormant category. + + The new channel will sync its permission overwrites with the category. + + Return None if no more channel names are available. + """ + log.trace("Getting a name for a new dormant channel.") + + try: + name = self.name_queue.popleft() + except IndexError: + log.debug("No more names available for new dormant channels.") + return None + + log.debug(f"Creating a new dormant channel named {name}.") + return await self.dormant_category.create_text_channel(name, topic=HELP_CHANNEL_TOPIC) + + async def dormant_check(self, ctx: commands.Context) -> bool: + """Return True if the user is the help channel claimant or passes the role check.""" + if await _caches.claimants.get(ctx.channel.id) == ctx.author.id: + log.trace(f"{ctx.author} is the help channel claimant, passing the check for dormant.") + self.bot.stats.incr("help.dormant_invoke.claimant") + return True + + log.trace(f"{ctx.author} is not the help channel claimant, checking roles.") + has_role = await commands.has_any_role(*constants.HelpChannels.cmd_whitelist).predicate(ctx) + + if has_role: + self.bot.stats.incr("help.dormant_invoke.staff") + + return has_role + + @commands.command(name="close", aliases=["dormant", "solved"], enabled=False) + async def close_command(self, ctx: commands.Context) -> None: + """ + Make the current in-use help channel dormant. + + Make the channel dormant if the user passes the `dormant_check`, + delete the message that invoked this, + and reset the send permissions cooldown for the user who started the session. + """ + log.trace("close command invoked; checking if the channel is in-use.") + if ctx.channel.category == self.in_use_category: + if await self.dormant_check(ctx): + await _cooldown.remove_cooldown_role(ctx.author) + + # Ignore missing task when cooldown has passed but the channel still isn't dormant. + if ctx.author.id in self.scheduler: + self.scheduler.cancel(ctx.author.id) + + await self.move_to_dormant(ctx.channel, "command") + self.scheduler.cancel(ctx.channel.id) + else: + log.debug(f"{ctx.author} invoked command 'dormant' outside an in-use help channel") + + async def get_available_candidate(self) -> discord.TextChannel: + """ + Return a dormant channel to turn into an available channel. + + If no channel is available, wait indefinitely until one becomes available. + """ + log.trace("Getting an available channel candidate.") + + try: + channel = self.channel_queue.get_nowait() + except asyncio.QueueEmpty: + log.info("No candidate channels in the queue; creating a new channel.") + channel = await self.create_dormant() + + if not channel: + log.info("Couldn't create a candidate channel; waiting to get one from the queue.") + notify_channel = self.bot.get_channel(constants.HelpChannels.notify_channel) + last_notification = await _message.notify(notify_channel, self.last_notification) + if last_notification: + self.last_notification = last_notification + self.bot.stats.incr("help.out_of_channel_alerts") + + channel = await self.wait_for_dormant_channel() + + return channel + + async def init_available(self) -> None: + """Initialise the Available category with channels.""" + log.trace("Initialising the Available category with channels.") + + channels = list(_channel.get_category_channels(self.available_category)) + missing = constants.HelpChannels.max_available - len(channels) + + # If we've got less than `max_available` channel available, we should add some. + if missing > 0: + log.trace(f"Moving {missing} missing channels to the Available category.") + for _ in range(missing): + await self.move_to_available() + + # If for some reason we have more than `max_available` channels available, + # we should move the superfluous ones over to dormant. + elif missing < 0: + log.trace(f"Moving {abs(missing)} superfluous available channels over to the Dormant category.") + for channel in channels[:abs(missing)]: + await self.move_to_dormant(channel, "auto") + + async def init_categories(self) -> None: + """Get the help category objects. Remove the cog if retrieval fails.""" + log.trace("Getting the CategoryChannel objects for the help categories.") + + try: + self.available_category = await channel_utils.try_get_channel( + constants.Categories.help_available + ) + self.in_use_category = await channel_utils.try_get_channel( + constants.Categories.help_in_use + ) + self.dormant_category = await channel_utils.try_get_channel( + constants.Categories.help_dormant + ) + except discord.HTTPException: + log.exception("Failed to get a category; cog will be removed") + self.bot.remove_cog(self.qualified_name) + + async def init_cog(self) -> None: + """Initialise the help channel system.""" + log.trace("Waiting for the guild to be available before initialisation.") + await self.bot.wait_until_guild_available() + + log.trace("Initialising the cog.") + await self.init_categories() + await _cooldown.check_cooldowns(self.scheduler) + + self.channel_queue = self.create_channel_queue() + self.name_queue = _name.create_name_queue( + self.available_category, + self.in_use_category, + self.dormant_category, + ) + + log.trace("Moving or rescheduling in-use channels.") + for channel in _channel.get_category_channels(self.in_use_category): + await self.move_idle_channel(channel, has_task=False) + + # Prevent the command from being used until ready. + # The ready event wasn't used because channels could change categories between the time + # the command is invoked and the cog is ready (e.g. if move_idle_channel wasn't called yet). + # This may confuse users. So would potentially long delays for the cog to become ready. + self.close_command.enabled = True + + await self.init_available() + self.report_stats() + + log.info("Cog is ready!") + + def report_stats(self) -> None: + """Report the channel count stats.""" + total_in_use = sum(1 for _ in _channel.get_category_channels(self.in_use_category)) + total_available = sum(1 for _ in _channel.get_category_channels(self.available_category)) + total_dormant = sum(1 for _ in _channel.get_category_channels(self.dormant_category)) + + self.bot.stats.gauge("help.total.in_use", total_in_use) + self.bot.stats.gauge("help.total.available", total_available) + self.bot.stats.gauge("help.total.dormant", total_dormant) + + async def move_idle_channel(self, channel: discord.TextChannel, has_task: bool = True) -> None: + """ + Make the `channel` dormant if idle or schedule the move if still active. + + If `has_task` is True and rescheduling is required, the extant task to make the channel + dormant will first be cancelled. + """ + log.trace(f"Handling in-use channel #{channel} ({channel.id}).") + + if not await _message.is_empty(channel): + idle_seconds = constants.HelpChannels.idle_minutes * 60 + else: + idle_seconds = constants.HelpChannels.deleted_idle_minutes * 60 + + time_elapsed = await _channel.get_idle_time(channel) + + if time_elapsed is None or time_elapsed >= idle_seconds: + log.info( + f"#{channel} ({channel.id}) is idle longer than {idle_seconds} seconds " + f"and will be made dormant." + ) + + await self.move_to_dormant(channel, "auto") + else: + # Cancel the existing task, if any. + if has_task: + self.scheduler.cancel(channel.id) + + delay = idle_seconds - time_elapsed + log.info( + f"#{channel} ({channel.id}) is still active; " + f"scheduling it to be moved after {delay} seconds." + ) + + self.scheduler.schedule_later(delay, channel.id, self.move_idle_channel(channel)) + + async def move_to_bottom_position(self, channel: discord.TextChannel, category_id: int, **options) -> None: + """ + Move the `channel` to the bottom position of `category` and edit channel attributes. + + To ensure "stable sorting", we use the `bulk_channel_update` endpoint and provide the current + positions of the other channels in the category as-is. This should make sure that the channel + really ends up at the bottom of the category. + + If `options` are provided, the channel will be edited after the move is completed. This is the + same order of operations that `discord.TextChannel.edit` uses. For information on available + options, see the documentation on `discord.TextChannel.edit`. While possible, position-related + options should be avoided, as it may interfere with the category move we perform. + """ + # Get a fresh copy of the category from the bot to avoid the cache mismatch issue we had. + category = await channel_utils.try_get_channel(category_id) + + payload = [{"id": c.id, "position": c.position} for c in category.channels] + + # Calculate the bottom position based on the current highest position in the category. If the + # category is currently empty, we simply use the current position of the channel to avoid making + # unnecessary changes to positions in the guild. + bottom_position = payload[-1]["position"] + 1 if payload else channel.position + + payload.append( + { + "id": channel.id, + "position": bottom_position, + "parent_id": category.id, + "lock_permissions": True, + } + ) + + # We use d.py's method to ensure our request is processed by d.py's rate limit manager + await self.bot.http.bulk_channel_update(category.guild.id, payload) + + # Now that the channel is moved, we can edit the other attributes + if options: + await channel.edit(**options) + + async def move_to_available(self) -> None: + """Make a channel available.""" + log.trace("Making a channel available.") + + channel = await self.get_available_candidate() + log.info(f"Making #{channel} ({channel.id}) available.") + + await _message.send_available_message(channel) + + log.trace(f"Moving #{channel} ({channel.id}) to the Available category.") + + await self.move_to_bottom_position( + channel=channel, + category_id=constants.Categories.help_available, + ) + + self.report_stats() + + async def move_to_dormant(self, channel: discord.TextChannel, caller: str) -> None: + """ + Make the `channel` dormant. + + A caller argument is provided for metrics. + """ + log.info(f"Moving #{channel} ({channel.id}) to the Dormant category.") + + await _caches.claimants.delete(channel.id) + await self.move_to_bottom_position( + channel=channel, + category_id=constants.Categories.help_dormant, + ) + + self.bot.stats.incr(f"help.dormant_calls.{caller}") + + in_use_time = await _channel.get_in_use_time(channel.id) + if in_use_time: + self.bot.stats.timing("help.in_use_time", in_use_time) + + unanswered = await _caches.unanswered.get(channel.id) + if unanswered: + self.bot.stats.incr("help.sessions.unanswered") + elif unanswered is not None: + self.bot.stats.incr("help.sessions.answered") + + log.trace(f"Position of #{channel} ({channel.id}) is actually {channel.position}.") + log.trace(f"Sending dormant message for #{channel} ({channel.id}).") + embed = discord.Embed(description=_message.DORMANT_MSG) + await channel.send(embed=embed) + + await _message.unpin(channel) + + log.trace(f"Pushing #{channel} ({channel.id}) into the channel queue.") + self.channel_queue.put_nowait(channel) + self.report_stats() + + async def move_to_in_use(self, channel: discord.TextChannel) -> None: + """Make a channel in-use and schedule it to be made dormant.""" + log.info(f"Moving #{channel} ({channel.id}) to the In Use category.") + + await self.move_to_bottom_position( + channel=channel, + category_id=constants.Categories.help_in_use, + ) + + timeout = constants.HelpChannels.idle_minutes * 60 + + log.trace(f"Scheduling #{channel} ({channel.id}) to become dormant in {timeout} sec.") + self.scheduler.schedule_later(timeout, channel.id, self.move_idle_channel(channel)) + self.report_stats() + + @commands.Cog.listener() + async def on_message(self, message: discord.Message) -> None: + """Move an available channel to the In Use category and replace it with a dormant one.""" + if message.author.bot: + return # Ignore messages sent by bots. + + channel = message.channel + + await _message.check_for_answer(message) + + is_available = channel_utils.is_in_category(channel, constants.Categories.help_available) + if not is_available or _channel.is_excluded_channel(channel): + return # Ignore messages outside the Available category or in excluded channels. + + log.trace("Waiting for the cog to be ready before processing messages.") + await self.init_task + + log.trace("Acquiring lock to prevent a channel from being processed twice...") + async with self.on_message_lock: + log.trace(f"on_message lock acquired for {message.id}.") + + if not channel_utils.is_in_category(channel, constants.Categories.help_available): + log.debug( + f"Message {message.id} will not make #{channel} ({channel.id}) in-use " + f"because another message in the channel already triggered that." + ) + return + + log.info(f"Channel #{channel} was claimed by `{message.author.id}`.") + await self.move_to_in_use(channel) + await _cooldown.revoke_send_permissions(message.author, self.scheduler) + + await _message.pin(message) + + # Add user with channel for dormant check. + await _caches.claimants.set(channel.id, message.author.id) + + self.bot.stats.incr("help.claimed") + + # Must use a timezone-aware datetime to ensure a correct POSIX timestamp. + timestamp = datetime.now(timezone.utc).timestamp() + await _caches.claim_times.set(channel.id, timestamp) + + await _caches.unanswered.set(channel.id, True) + + log.trace(f"Releasing on_message lock for {message.id}.") + + # Move a dormant channel to the Available category to fill in the gap. + # This is done last and outside the lock because it may wait indefinitely for a channel to + # be put in the queue. + await self.move_to_available() + + @commands.Cog.listener() + async def on_message_delete(self, msg: discord.Message) -> None: + """ + Reschedule an in-use channel to become dormant sooner if the channel is empty. + + The new time for the dormant task is configured with `HelpChannels.deleted_idle_minutes`. + """ + if not channel_utils.is_in_category(msg.channel, constants.Categories.help_in_use): + return + + if not await _message.is_empty(msg.channel): + return + + log.trace("Waiting for the cog to be ready before processing deleted messages.") + await self.init_task + + log.info(f"Claimant of #{msg.channel} ({msg.author}) deleted message, channel is empty now. Rescheduling task.") + + # Cancel existing dormant task before scheduling new. + self.scheduler.cancel(msg.channel.id) + + delay = constants.HelpChannels.deleted_idle_minutes * 60 + self.scheduler.schedule_later(delay, msg.channel.id, self.move_idle_channel(msg.channel)) + + async def wait_for_dormant_channel(self) -> discord.TextChannel: + """Wait for a dormant channel to become available in the queue and return it.""" + log.trace("Waiting for a dormant channel.") + + task = asyncio.create_task(self.channel_queue.get()) + self.queue_tasks.append(task) + channel = await task + + log.trace(f"Channel #{channel} ({channel.id}) finally retrieved from the queue.") + self.queue_tasks.remove(task) + + return channel diff --git a/bot/exts/help_channels/_cooldown.py b/bot/exts/help_channels/_cooldown.py new file mode 100644 index 000000000..c5c39297f --- /dev/null +++ b/bot/exts/help_channels/_cooldown.py @@ -0,0 +1,95 @@ +import logging +from typing import Callable, Coroutine + +import discord + +import bot +from bot import constants +from bot.exts.help_channels import _caches, _channel +from bot.utils.scheduling import Scheduler + +log = logging.getLogger(__name__) +CoroutineFunc = Callable[..., Coroutine] + + +async def add_cooldown_role(member: discord.Member) -> None: + """Add the help cooldown role to `member`.""" + log.trace(f"Adding cooldown role for {member} ({member.id}).") + await _change_cooldown_role(member, member.add_roles) + + +async def check_cooldowns(scheduler: Scheduler) -> None: + """Remove expired cooldowns and re-schedule active ones.""" + log.trace("Checking all cooldowns to remove or re-schedule them.") + guild = bot.instance.get_guild(constants.Guild.id) + cooldown = constants.HelpChannels.claim_minutes * 60 + + for channel_id, member_id in await _caches.claimants.items(): + member = guild.get_member(member_id) + if not member: + continue # Member probably left the guild. + + in_use_time = await _channel.get_in_use_time(channel_id) + + if not in_use_time or in_use_time.seconds > cooldown: + # Remove the role if no claim time could be retrieved or if the cooldown expired. + # Since the channel is in the claimants cache, it is definitely strange for a time + # to not exist. However, it isn't a reason to keep the user stuck with a cooldown. + await remove_cooldown_role(member) + else: + # The member is still on a cooldown; re-schedule it for the remaining time. + delay = cooldown - in_use_time.seconds + scheduler.schedule_later(delay, member.id, remove_cooldown_role(member)) + + +async def remove_cooldown_role(member: discord.Member) -> None: + """Remove the help cooldown role from `member`.""" + log.trace(f"Removing cooldown role for {member} ({member.id}).") + await _change_cooldown_role(member, member.remove_roles) + + +async def revoke_send_permissions(member: discord.Member, scheduler: Scheduler) -> None: + """ + Disallow `member` to send messages in the Available category for a certain time. + + The time until permissions are reinstated can be configured with + `HelpChannels.claim_minutes`. + """ + log.trace( + f"Revoking {member}'s ({member.id}) send message permissions in the Available category." + ) + + await add_cooldown_role(member) + + # Cancel the existing task, if any. + # Would mean the user somehow bypassed the lack of permissions (e.g. user is guild owner). + if member.id in scheduler: + scheduler.cancel(member.id) + + delay = constants.HelpChannels.claim_minutes * 60 + scheduler.schedule_later(delay, member.id, remove_cooldown_role(member)) + + +async def _change_cooldown_role(member: discord.Member, coro_func: CoroutineFunc) -> None: + """ + Change `member`'s cooldown role via awaiting `coro_func` and handle errors. + + `coro_func` is intended to be `discord.Member.add_roles` or `discord.Member.remove_roles`. + """ + guild = bot.instance.get_guild(constants.Guild.id) + role = guild.get_role(constants.Roles.help_cooldown) + if role is None: + log.warning(f"Help cooldown role ({constants.Roles.help_cooldown}) could not be found!") + return + + try: + await coro_func(role) + except discord.NotFound: + log.debug(f"Failed to change role for {member} ({member.id}): member not found") + except discord.Forbidden: + log.debug( + f"Forbidden to change role for {member} ({member.id}); " + f"possibly due to role hierarchy" + ) + except discord.HTTPException as e: + log.error(f"Failed to change role for {member} ({member.id}): {e.status} {e.code}") diff --git a/bot/exts/help_channels/_message.py b/bot/exts/help_channels/_message.py new file mode 100644 index 000000000..2bbd4bdd6 --- /dev/null +++ b/bot/exts/help_channels/_message.py @@ -0,0 +1,217 @@ +import logging +import typing as t +from datetime import datetime + +import discord + +import bot +from bot import constants +from bot.exts.help_channels import _caches +from bot.utils.channel import is_in_category + +log = logging.getLogger(__name__) + +ASKING_GUIDE_URL = "https://pythondiscord.com/pages/asking-good-questions/" + +AVAILABLE_MSG = f""" +**Send your question here to claim the channel** +This channel will be dedicated to answering your question only. Others will try to answer and help you solve the issue. + +**Keep in mind:** +• It's always ok to just ask your question. You don't need permission. +• Explain what you expect to happen and what actually happens. +• Include a code sample and error message, if you got any. + +For more tips, check out our guide on **[asking good questions]({ASKING_GUIDE_URL})**. +""" + +AVAILABLE_TITLE = "Available help channel" + +AVAILABLE_FOOTER = f"Closes after {constants.HelpChannels.idle_minutes} minutes of inactivity or when you send !close." + +DORMANT_MSG = f""" +This help channel has been marked as **dormant**, and has been moved into the **Help: Dormant** \ +category at the bottom of the channel list. It is no longer possible to send messages in this \ +channel until it becomes available again. + +If your question wasn't answered yet, you can claim a new help channel from the \ +**Help: Available** category by simply asking your question again. Consider rephrasing the \ +question to maximize your chance of getting a good answer. If you're not sure how, have a look \ +through our guide for **[asking a good question]({ASKING_GUIDE_URL})**. +""" + + +async def check_for_answer(message: discord.Message) -> None: + """Checks for whether new content in a help channel comes from non-claimants.""" + channel = message.channel + + # Confirm the channel is an in use help channel + if is_in_category(channel, constants.Categories.help_in_use): + log.trace(f"Checking if #{channel} ({channel.id}) has been answered.") + + # Check if there is an entry in unanswered + if await _caches.unanswered.contains(channel.id): + claimant_id = await _caches.claimants.get(channel.id) + if not claimant_id: + # The mapping for this channel doesn't exist, we can't do anything. + return + + # Check the message did not come from the claimant + if claimant_id != message.author.id: + # Mark the channel as answered + await _caches.unanswered.set(channel.id, False) + + +async def get_last_message(channel: discord.TextChannel) -> t.Optional[discord.Message]: + """Return the last message sent in the channel or None if no messages exist.""" + log.trace(f"Getting the last message in #{channel} ({channel.id}).") + + try: + return await channel.history(limit=1).next() # noqa: B305 + except discord.NoMoreItems: + log.debug(f"No last message available; #{channel} ({channel.id}) has no messages.") + return None + + +async def is_empty(channel: discord.TextChannel) -> bool: + """Return True if there's an AVAILABLE_MSG and the messages leading up are bot messages.""" + log.trace(f"Checking if #{channel} ({channel.id}) is empty.") + + # A limit of 100 results in a single API call. + # If AVAILABLE_MSG isn't found within 100 messages, then assume the channel is not empty. + # Not gonna do an extensive search for it cause it's too expensive. + async for msg in channel.history(limit=100): + if not msg.author.bot: + log.trace(f"#{channel} ({channel.id}) has a non-bot message.") + return False + + if _match_bot_embed(msg, AVAILABLE_MSG): + log.trace(f"#{channel} ({channel.id}) has the available message embed.") + return True + + return False + + +async def notify(channel: discord.TextChannel, last_notification: t.Optional[datetime]) -> t.Optional[datetime]: + """ + Send a message in `channel` notifying about a lack of available help channels. + + If a notification was sent, return the `datetime` at which the message was sent. Otherwise, + return None. + + Configuration: + + * `HelpChannels.notify` - toggle notifications + * `HelpChannels.notify_minutes` - minimum interval between notifications + * `HelpChannels.notify_roles` - roles mentioned in notifications + """ + if not constants.HelpChannels.notify: + return + + log.trace("Notifying about lack of channels.") + + if last_notification: + elapsed = (datetime.utcnow() - last_notification).seconds + minimum_interval = constants.HelpChannels.notify_minutes * 60 + should_send = elapsed >= minimum_interval + else: + should_send = True + + if not should_send: + log.trace("Notification not sent because it's too recent since the previous one.") + return + + try: + log.trace("Sending notification message.") + + mentions = " ".join(f"<@&{role}>" for role in constants.HelpChannels.notify_roles) + allowed_roles = [discord.Object(id_) for id_ in constants.HelpChannels.notify_roles] + + message = await channel.send( + f"{mentions} A new available help channel is needed but there " + f"are no more dormant ones. Consider freeing up some in-use channels manually by " + f"using the `{constants.Bot.prefix}dormant` command within the channels.", + allowed_mentions=discord.AllowedMentions(everyone=False, roles=allowed_roles) + ) + + return message.created_at + except Exception: + # Handle it here cause this feature isn't critical for the functionality of the system. + log.exception("Failed to send notification about lack of dormant channels!") + + +async def pin(message: discord.Message) -> None: + """Pin an initial question `message` and store it in a cache.""" + if await _pin_wrapper(message.id, message.channel, pin=True): + await _caches.question_messages.set(message.channel.id, message.id) + + +async def send_available_message(channel: discord.TextChannel) -> None: + """Send the available message by editing a dormant message or sending a new message.""" + channel_info = f"#{channel} ({channel.id})" + log.trace(f"Sending available message in {channel_info}.") + + embed = discord.Embed( + color=constants.Colours.bright_green, + description=AVAILABLE_MSG, + ) + embed.set_author(name=AVAILABLE_TITLE, icon_url=constants.Icons.green_checkmark) + embed.set_footer(text=AVAILABLE_FOOTER) + + msg = await get_last_message(channel) + if _match_bot_embed(msg, DORMANT_MSG): + log.trace(f"Found dormant message {msg.id} in {channel_info}; editing it.") + await msg.edit(embed=embed) + else: + log.trace(f"Dormant message not found in {channel_info}; sending a new message.") + await channel.send(embed=embed) + + +async def unpin(channel: discord.TextChannel) -> None: + """Unpin the initial question message sent in `channel`.""" + msg_id = await _caches.question_messages.pop(channel.id) + if msg_id is None: + log.debug(f"#{channel} ({channel.id}) doesn't have a message pinned.") + else: + await _pin_wrapper(msg_id, channel, pin=False) + + +def _match_bot_embed(message: t.Optional[discord.Message], description: str) -> bool: + """Return `True` if the bot's `message`'s embed description matches `description`.""" + if not message or not message.embeds: + return False + + bot_msg_desc = message.embeds[0].description + if bot_msg_desc is discord.Embed.Empty: + log.trace("Last message was a bot embed but it was empty.") + return False + return message.author == bot.instance.user and bot_msg_desc.strip() == description.strip() + + +async def _pin_wrapper(msg_id: int, channel: discord.TextChannel, *, pin: bool) -> bool: + """ + Pin message `msg_id` in `channel` if `pin` is True or unpin if it's False. + + Return True if successful and False otherwise. + """ + channel_str = f"#{channel} ({channel.id})" + if pin: + func = bot.instance.http.pin_message + verb = "pin" + else: + func = bot.instance.http.unpin_message + verb = "unpin" + + try: + await func(channel.id, msg_id) + except discord.HTTPException as e: + if e.code == 10008: + log.debug(f"Message {msg_id} in {channel_str} doesn't exist; can't {verb}.") + else: + log.exception( + f"Error {verb}ning message {msg_id} in {channel_str}: {e.status} ({e.code})" + ) + return False + else: + log.trace(f"{verb.capitalize()}ned message {msg_id} in {channel_str}.") + return True diff --git a/bot/exts/help_channels/_name.py b/bot/exts/help_channels/_name.py new file mode 100644 index 000000000..728234b1e --- /dev/null +++ b/bot/exts/help_channels/_name.py @@ -0,0 +1,69 @@ +import json +import logging +import typing as t +from collections import deque +from pathlib import Path + +import discord + +from bot import constants +from bot.exts.help_channels._channel import MAX_CHANNELS_PER_CATEGORY, get_category_channels + +log = logging.getLogger(__name__) + + +def create_name_queue(*categories: discord.CategoryChannel) -> deque: + """ + Return a queue of element names to use for creating new channels. + + Skip names that are already in use by channels in `categories`. + """ + log.trace("Creating the chemical element name queue.") + + used_names = _get_used_names(*categories) + + log.trace("Determining the available names.") + available_names = (name for name in _get_names() if name not in used_names) + + log.trace("Populating the name queue with names.") + return deque(available_names) + + +def _get_names() -> t.List[str]: + """ + Return a truncated list of prefixed element names. + + The amount of names is configured with `HelpChannels.max_total_channels`. + The prefix is configured with `HelpChannels.name_prefix`. + """ + count = constants.HelpChannels.max_total_channels + prefix = constants.HelpChannels.name_prefix + + log.trace(f"Getting the first {count} element names from JSON.") + + with Path("bot/resources/elements.json").open(encoding="utf-8") as elements_file: + all_names = json.load(elements_file) + + if prefix: + return [prefix + name for name in all_names[:count]] + else: + return all_names[:count] + + +def _get_used_names(*categories: discord.CategoryChannel) -> t.Set[str]: + """Return names which are already being used by channels in `categories`.""" + log.trace("Getting channel names which are already being used.") + + names = set() + for cat in categories: + for channel in get_category_channels(cat): + names.add(channel.name) + + if len(names) > MAX_CHANNELS_PER_CATEGORY: + log.warning( + f"Too many help channels ({len(names)}) already exist! " + f"Discord only supports {MAX_CHANNELS_PER_CATEGORY} in a category." + ) + + log.trace(f"Got {len(names)} used names: {names}") + return names diff --git a/bot/exts/moderation/infraction/infractions.py b/bot/exts/moderation/infraction/infractions.py index 746d4e154..18e937e87 100644 --- a/bot/exts/moderation/infraction/infractions.py +++ b/bot/exts/moderation/infraction/infractions.py @@ -10,7 +10,7 @@ from discord.ext.commands import Context, command from bot import constants from bot.bot import Bot from bot.constants import Event -from bot.converters import Expiry, FetchedMember +from bot.converters import Duration, Expiry, FetchedMember from bot.decorators import respect_role_hierarchy from bot.exts.moderation.infraction import _utils from bot.exts.moderation.infraction._scheduler import InfractionScheduler @@ -27,7 +27,7 @@ class Infractions(InfractionScheduler, commands.Cog): category_description = "Server moderation tools." def __init__(self, bot: Bot): - super().__init__(bot, supported_infractions={"ban", "kick", "mute", "note", "warning"}) + super().__init__(bot, supported_infractions={"ban", "kick", "mute", "note", "warning", "voice_ban"}) self.category = "Moderation" self._muted_role = discord.Object(constants.Roles.muted) @@ -98,7 +98,13 @@ class Infractions(InfractionScheduler, commands.Cog): # region: Temporary infractions @command(aliases=["mute"]) - async def tempmute(self, ctx: Context, user: Member, duration: Expiry, *, reason: t.Optional[str] = None) -> None: + async def tempmute( + self, ctx: Context, + user: Member, + duration: t.Optional[Expiry] = None, + *, + reason: t.Optional[str] = None + ) -> None: """ Temporarily mute a user for the given reason and duration. @@ -113,7 +119,11 @@ class Infractions(InfractionScheduler, commands.Cog): \u2003`s` - seconds Alternatively, an ISO 8601 timestamp can be provided for the duration. + + If no duration is given, a one hour duration is used by default. """ + if duration is None: + duration = await Duration().convert(ctx, "1h") await self.apply_mute(ctx, user, reason, expires_at=duration) @command() @@ -180,11 +190,6 @@ class Infractions(InfractionScheduler, commands.Cog): await self.apply_infraction(ctx, infraction, user) - @command(hidden=True, aliases=['shadowkick', 'skick']) - async def shadow_kick(self, ctx: Context, user: Member, *, reason: t.Optional[str] = None) -> None: - """Kick a user for the given reason without notifying the user.""" - await self.apply_kick(ctx, user, reason, hidden=True) - @command(hidden=True, aliases=['shadowban', 'sban']) async def shadow_ban(self, ctx: Context, user: FetchedMember, *, reason: t.Optional[str] = None) -> None: """Permanently ban a user for the given reason without notifying the user.""" @@ -193,31 +198,6 @@ class Infractions(InfractionScheduler, commands.Cog): # endregion # region: Temporary shadow infractions - @command(hidden=True, aliases=["shadowtempmute, stempmute", "shadowmute", "smute"]) - async def shadow_tempmute( - self, ctx: Context, - user: Member, - duration: Expiry, - *, - reason: t.Optional[str] = None - ) -> None: - """ - Temporarily mute a user for the given reason and duration without notifying the user. - - A unit of time should be appended to the duration. - Units (∗case-sensitive): - \u2003`y` - years - \u2003`m` - months∗ - \u2003`w` - weeks - \u2003`d` - days - \u2003`h` - hours - \u2003`M` - minutes∗ - \u2003`s` - seconds - - Alternatively, an ISO 8601 timestamp can be provided for the duration. - """ - await self.apply_mute(ctx, user, reason, expires_at=duration, hidden=True) - @command(hidden=True, aliases=["shadowtempban, stempban"]) async def shadow_tempban( self, diff --git a/bot/exts/moderation/infraction/management.py b/bot/exts/moderation/infraction/management.py index 394f63da3..c58410f8c 100644 --- a/bot/exts/moderation/infraction/management.py +++ b/bot/exts/moderation/infraction/management.py @@ -10,7 +10,7 @@ from discord.utils import escape_markdown from bot import constants from bot.bot import Bot -from bot.converters import Expiry, Snowflake, UserMention, allowed_strings, proxy_user +from bot.converters import Expiry, Infraction, Snowflake, UserMention, allowed_strings, proxy_user from bot.exts.moderation.infraction.infractions import Infractions from bot.exts.moderation.modlog import ModLog from bot.pagination import LinePaginator @@ -40,16 +40,55 @@ class ModManagement(commands.Cog): # region: Edit infraction commands - @commands.group(name='infraction', aliases=('infr', 'infractions', 'inf'), invoke_without_command=True) + @commands.group(name='infraction', aliases=('infr', 'infractions', 'inf', 'i'), invoke_without_command=True) async def infraction_group(self, ctx: Context) -> None: """Infraction manipulation commands.""" await ctx.send_help(ctx.command) - @infraction_group.command(name='edit') + @infraction_group.command(name="append", aliases=("amend", "add", "a")) + async def infraction_append( + self, + ctx: Context, + infraction: Infraction, + duration: t.Union[Expiry, allowed_strings("p", "permanent"), None], # noqa: F821 + *, + reason: str = None + ) -> None: + """ + Append text and/or edit the duration of an infraction. + + Durations are relative to the time of updating and should be appended with a unit of time. + Units (∗case-sensitive): + \u2003`y` - years + \u2003`m` - months∗ + \u2003`w` - weeks + \u2003`d` - days + \u2003`h` - hours + \u2003`M` - minutes∗ + \u2003`s` - seconds + + Use "l", "last", or "recent" as the infraction ID to specify that the most recent infraction + authored by the command invoker should be edited. + + Use "p" or "permanent" to mark the infraction as permanent. Alternatively, an ISO 8601 + timestamp can be provided for the duration. + + If a previous infraction reason does not end with an ending punctuation mark, this automatically + adds a period before the amended reason. + """ + old_reason = infraction["reason"] + + if old_reason is not None: + add_period = not old_reason.endswith((".", "!", "?")) + reason = old_reason + (". " if add_period else " ") + reason + + await self.infraction_edit(ctx, infraction, duration, reason=reason) + + @infraction_group.command(name='edit', aliases=('e',)) async def infraction_edit( self, ctx: Context, - infraction_id: t.Union[int, allowed_strings("l", "last", "recent")], # noqa: F821 + infraction: Infraction, duration: t.Union[Expiry, allowed_strings("p", "permanent"), None], # noqa: F821 *, reason: str = None @@ -77,30 +116,13 @@ class ModManagement(commands.Cog): # Unlike UserInputError, the error handler will show a specified message for BadArgument raise commands.BadArgument("Neither a new expiry nor a new reason was specified.") - # Retrieve the previous infraction for its information. - if isinstance(infraction_id, str): - params = { - "actor__id": ctx.author.id, - "ordering": "-inserted_at" - } - infractions = await self.bot.api_client.get("bot/infractions", params=params) - - if infractions: - old_infraction = infractions[0] - infraction_id = old_infraction["id"] - else: - await ctx.send( - ":x: Couldn't find most recent infraction; you have never given an infraction." - ) - return - else: - old_infraction = await self.bot.api_client.get(f"bot/infractions/{infraction_id}") + infraction_id = infraction["id"] request_data = {} confirm_messages = [] log_text = "" - if duration is not None and not old_infraction['active']: + if duration is not None and not infraction['active']: if reason is None: await ctx.send(":x: Cannot edit the expiration of an expired infraction.") return @@ -119,7 +141,7 @@ class ModManagement(commands.Cog): request_data['reason'] = reason confirm_messages.append("set a new reason") log_text += f""" - Previous reason: {old_infraction['reason']} + Previous reason: {infraction['reason']} New reason: {reason} """.rstrip() else: @@ -134,7 +156,7 @@ class ModManagement(commands.Cog): # Re-schedule infraction if the expiration has been updated if 'expires_at' in request_data: # A scheduled task should only exist if the old infraction wasn't permanent - if old_infraction['expires_at']: + if infraction['expires_at']: self.infractions_cog.scheduler.cancel(new_infraction['id']) # If the infraction was not marked as permanent, schedule a new expiration task @@ -142,7 +164,7 @@ class ModManagement(commands.Cog): self.infractions_cog.schedule_expiration(new_infraction) log_text += f""" - Previous expiry: {old_infraction['expires_at'] or "Permanent"} + Previous expiry: {infraction['expires_at'] or "Permanent"} New expiry: {new_infraction['expires_at'] or "Permanent"} """.rstrip() diff --git a/bot/resources/tags/microsoft-build-tools.md b/bot/resources/tags/microsoft-build-tools.md new file mode 100644 index 000000000..7c702e296 --- /dev/null +++ b/bot/resources/tags/microsoft-build-tools.md @@ -0,0 +1,15 @@ +**Microsoft Visual C++ Build Tools** + +When you install a library through `pip` on Windows, sometimes you may encounter this error: + +``` +error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/ +``` + +This means the library you're installing has code written in other languages and needs additional tools to install. To install these tools, follow the following steps: (Requires 6GB+ disk space) + +**1.** Open [https://visualstudio.microsoft.com/visual-cpp-build-tools/](https://visualstudio.microsoft.com/visual-cpp-build-tools/). +**2.** Click **`Download Build Tools >`**. A file named `vs_BuildTools` or `vs_BuildTools.exe` should start downloading. If no downloads start after a few seconds, click **`click here to retry`**. +**3.** Run the downloaded file. Click **`Continue`** to proceed. +**4.** Choose **C++ build tools** and press **`Install`**. You may need a reboot after the installation. +**5.** Try installing the library via `pip` again. diff --git a/config-default.yml b/config-default.yml index 60eb437af..006743342 100644 --- a/config-default.yml +++ b/config-default.yml @@ -155,7 +155,6 @@ guild: python_discussion: &PY_DISCUSSION 267624335836053506 # Python Help: Available - how_to_get_help: 704250143020417084 cooldown: 720603994149486673 # Logs @@ -196,13 +195,19 @@ guild: mod_announcements: &MOD_ANNOUNCEMENTS 372115205867700225 admin_announcements: &ADMIN_ANNOUNCEMENTS 749736155569848370 - # Voice - code_help_voice: 755154969761677312 - code_help_voice_2: 766330079135268884 - voice_chat: 412357430186344448 + # Voice Channels admins_voice: &ADMINS_VOICE 500734494840717332 + code_help_voice_1: 751592231726481530 + code_help_voice_2: 764232549840846858 + general_voice: 751591688538947646 staff_voice: &STAFF_VOICE 412375055910043655 + # Voice Chat + code_help_chat_1: 755154969761677312 + code_help_chat_2: 766330079135268884 + staff_voice_chat: 541638762007101470 + voice_chat: 412357430186344448 + # Watch big_brother_logs: &BB_LOGS 468507907357409333 talent_pool: &TALENT_POOL 534321732593647616 diff --git a/deployment.yaml b/deployment.yaml deleted file mode 100644 index ca5ff5941..000000000 --- a/deployment.yaml +++ /dev/null @@ -1,21 +0,0 @@ -apiVersion: apps/v1 -kind: Deployment -metadata: - name: bot -spec: - replicas: 1 - selector: - matchLabels: - app: bot - template: - metadata: - labels: - app: bot - spec: - containers: - - name: bot - image: ghcr.io/python-discord/bot:latest - imagePullPolicy: Always - envFrom: - - secretRef: - name: bot-env |