diff options
Diffstat (limited to 'bot/exts/backend')
| -rw-r--r-- | bot/exts/backend/alias.py | 87 | ||||
| -rw-r--r-- | bot/exts/backend/error_handler.py | 3 | ||||
| -rw-r--r-- | bot/exts/backend/sync/_cog.py | 9 | ||||
| -rw-r--r-- | bot/exts/backend/sync/_syncers.py | 154 |
4 files changed, 94 insertions, 159 deletions
diff --git a/bot/exts/backend/alias.py b/bot/exts/backend/alias.py deleted file mode 100644 index c6ba8d6f3..000000000 --- a/bot/exts/backend/alias.py +++ /dev/null @@ -1,87 +0,0 @@ -import inspect -import logging - -from discord import Colour, Embed -from discord.ext.commands import ( - Cog, Command, Context, - clean_content, command, group, -) - -from bot.bot import Bot -from bot.converters import TagNameConverter -from bot.pagination import LinePaginator - -log = logging.getLogger(__name__) - - -class Alias (Cog): - """Aliases for commonly used commands.""" - - def __init__(self, bot: Bot): - self.bot = bot - - async def invoke(self, ctx: Context, cmd_name: str, *args, **kwargs) -> None: - """Invokes a command with args and kwargs.""" - log.debug(f"{cmd_name} was invoked through an alias") - cmd = self.bot.get_command(cmd_name) - if not cmd: - return log.info(f'Did not find command "{cmd_name}" to invoke.') - elif not await cmd.can_run(ctx): - return log.info( - f'{str(ctx.author)} tried to run the command "{cmd_name}" but lacks permission.' - ) - - await ctx.invoke(cmd, *args, **kwargs) - - @command(name='aliases') - async def aliases_command(self, ctx: Context) -> None: - """Show configured aliases on the bot.""" - embed = Embed( - title='Configured aliases', - colour=Colour.blue() - ) - await LinePaginator.paginate( - ( - f"• `{ctx.prefix}{value.name}` " - f"=> `{ctx.prefix}{name[:-len('_alias')].replace('_', ' ')}`" - for name, value in inspect.getmembers(self) - if isinstance(value, Command) and name.endswith('_alias') - ), - ctx, embed, empty=False, max_lines=20 - ) - - @command(name="exception", hidden=True) - async def tags_get_traceback_alias(self, ctx: Context) -> None: - """Alias for invoking <prefix>tags get traceback.""" - await self.invoke(ctx, "tags get", tag_name="traceback") - - @group(name="get", - aliases=("show", "g"), - hidden=True, - invoke_without_command=True) - async def get_group_alias(self, ctx: Context) -> None: - """Group for reverse aliases for commands like `tags get`, allowing for `get tags` or `get docs`.""" - pass - - @get_group_alias.command(name="tags", aliases=("tag", "t"), hidden=True) - async def tags_get_alias( - self, ctx: Context, *, tag_name: TagNameConverter = None - ) -> None: - """ - Alias for invoking <prefix>tags get [tag_name]. - - tag_name: str - tag to be viewed. - """ - await self.invoke(ctx, "tags get", tag_name=tag_name) - - @get_group_alias.command(name="docs", aliases=("doc", "d"), hidden=True) - async def docs_get_alias( - self, ctx: Context, symbol: clean_content = None - ) -> None: - """Alias for invoking <prefix>docs get [symbol].""" - await self.invoke(ctx, "docs get", symbol) - - -def setup(bot: Bot) -> None: - """Load the Alias cog.""" - bot.add_cog(Alias(bot)) diff --git a/bot/exts/backend/error_handler.py b/bot/exts/backend/error_handler.py index f9d4de638..c643d346e 100644 --- a/bot/exts/backend/error_handler.py +++ b/bot/exts/backend/error_handler.py @@ -10,6 +10,7 @@ from bot.api import ResponseCodeError from bot.bot import Bot from bot.constants import Channels, Colours from bot.converters import TagNameConverter +from bot.errors import LockedResourceError from bot.utils.checks import InWhitelistCheckFailure log = logging.getLogger(__name__) @@ -75,6 +76,8 @@ class ErrorHandler(Cog): elif isinstance(e, errors.CommandInvokeError): if isinstance(e.original, ResponseCodeError): await self.handle_api_error(ctx, e.original) + elif isinstance(e.original, LockedResourceError): + await ctx.send(f"{e.original} Please wait for it to finish and try again later.") else: await self.handle_unexpected_error(ctx, e.original) return # Exit early to avoid logging. diff --git a/bot/exts/backend/sync/_cog.py b/bot/exts/backend/sync/_cog.py index 6e85e2b7d..48d2b6f02 100644 --- a/bot/exts/backend/sync/_cog.py +++ b/bot/exts/backend/sync/_cog.py @@ -18,9 +18,6 @@ class Sync(Cog): def __init__(self, bot: Bot) -> None: self.bot = bot - self.role_syncer = _syncers.RoleSyncer(self.bot) - self.user_syncer = _syncers.UserSyncer(self.bot) - self.bot.loop.create_task(self.sync_guild()) async def sync_guild(self) -> None: @@ -31,7 +28,7 @@ class Sync(Cog): if guild is None: return - for syncer in (self.role_syncer, self.user_syncer): + for syncer in (_syncers.RoleSyncer, _syncers.UserSyncer): await syncer.sync(guild) async def patch_user(self, user_id: int, json: Dict[str, Any], ignore_404: bool = False) -> None: @@ -171,10 +168,10 @@ class Sync(Cog): @commands.has_permissions(administrator=True) async def sync_roles_command(self, ctx: Context) -> None: """Manually synchronise the guild's roles with the roles on the site.""" - await self.role_syncer.sync(ctx.guild, ctx) + await _syncers.RoleSyncer.sync(ctx.guild, ctx) @sync_group.command(name='users') @commands.has_permissions(administrator=True) async def sync_users_command(self, ctx: Context) -> None: """Manually synchronise the guild's users with the users on the site.""" - await self.user_syncer.sync(ctx.guild, ctx) + await _syncers.UserSyncer.sync(ctx.guild, ctx) diff --git a/bot/exts/backend/sync/_syncers.py b/bot/exts/backend/sync/_syncers.py index 3d4a09df3..2eb9f9971 100644 --- a/bot/exts/backend/sync/_syncers.py +++ b/bot/exts/backend/sync/_syncers.py @@ -6,69 +6,71 @@ from collections import namedtuple from discord import Guild from discord.ext.commands import Context +import bot from bot.api import ResponseCodeError -from bot.bot import Bot log = logging.getLogger(__name__) # These objects are declared as namedtuples because tuples are hashable, # something that we make use of when diffing site roles against guild roles. _Role = namedtuple('Role', ('id', 'name', 'colour', 'permissions', 'position')) -_User = namedtuple('User', ('id', 'name', 'discriminator', 'roles', 'in_guild')) _Diff = namedtuple('Diff', ('created', 'updated', 'deleted')) +# Implementation of static abstract methods are not enforced if the subclass is never instantiated. +# However, methods are kept abstract to at least symbolise that they should be abstract. class Syncer(abc.ABC): """Base class for synchronising the database with objects in the Discord cache.""" - def __init__(self, bot: Bot) -> None: - self.bot = bot - + @staticmethod @property @abc.abstractmethod - def name(self) -> str: + def name() -> str: """The name of the syncer; used in output messages and logging.""" raise NotImplementedError # pragma: no cover + @staticmethod @abc.abstractmethod - async def _get_diff(self, guild: Guild) -> _Diff: + async def _get_diff(guild: Guild) -> _Diff: """Return the difference between the cache of `guild` and the database.""" raise NotImplementedError # pragma: no cover + @staticmethod @abc.abstractmethod - async def _sync(self, diff: _Diff) -> None: + async def _sync(diff: _Diff) -> None: """Perform the API calls for synchronisation.""" raise NotImplementedError # pragma: no cover - async def sync(self, guild: Guild, ctx: t.Optional[Context] = None) -> None: + @classmethod + async def sync(cls, guild: Guild, ctx: t.Optional[Context] = None) -> None: """ Synchronise the database with the cache of `guild`. If `ctx` is given, send a message with the results. """ - log.info(f"Starting {self.name} syncer.") + log.info(f"Starting {cls.name} syncer.") if ctx: - message = await ctx.send(f"📊 Synchronising {self.name}s.") + message = await ctx.send(f"📊 Synchronising {cls.name}s.") else: message = None - diff = await self._get_diff(guild) + diff = await cls._get_diff(guild) try: - await self._sync(diff) + await cls._sync(diff) except ResponseCodeError as e: - log.exception(f"{self.name} syncer failed!") + log.exception(f"{cls.name} syncer failed!") # Don't show response text because it's probably some really long HTML. results = f"status {e.status}\n```{e.response_json or 'See log output for details'}```" - content = f":x: Synchronisation of {self.name}s failed: {results}" + content = f":x: Synchronisation of {cls.name}s failed: {results}" else: diff_dict = diff._asdict() results = (f"{name} `{len(val)}`" for name, val in diff_dict.items() if val is not None) results = ", ".join(results) - log.info(f"{self.name} syncer finished: {results}.") - content = f":ok_hand: Synchronisation of {self.name}s complete: {results}" + log.info(f"{cls.name} syncer finished: {results}.") + content = f":ok_hand: Synchronisation of {cls.name}s complete: {results}" if message: await message.edit(content=content) @@ -79,10 +81,11 @@ class RoleSyncer(Syncer): name = "role" - async def _get_diff(self, guild: Guild) -> _Diff: + @staticmethod + async def _get_diff(guild: Guild) -> _Diff: """Return the difference of roles between the cache of `guild` and the database.""" log.trace("Getting the diff for roles.") - roles = await self.bot.api_client.get('bot/roles') + roles = await bot.instance.api_client.get('bot/roles') # Pack DB roles and guild roles into one common, hashable format. # They're hashable so that they're easily comparable with sets later. @@ -111,19 +114,20 @@ class RoleSyncer(Syncer): return _Diff(roles_to_create, roles_to_update, roles_to_delete) - async def _sync(self, diff: _Diff) -> None: + @staticmethod + async def _sync(diff: _Diff) -> None: """Synchronise the database with the role cache of `guild`.""" log.trace("Syncing created roles...") for role in diff.created: - await self.bot.api_client.post('bot/roles', json=role._asdict()) + await bot.instance.api_client.post('bot/roles', json=role._asdict()) log.trace("Syncing updated roles...") for role in diff.updated: - await self.bot.api_client.put(f'bot/roles/{role.id}', json=role._asdict()) + await bot.instance.api_client.put(f'bot/roles/{role.id}', json=role._asdict()) log.trace("Syncing deleted roles...") for role in diff.deleted: - await self.bot.api_client.delete(f'bot/roles/{role.id}') + await bot.instance.api_client.delete(f'bot/roles/{role.id}') class UserSyncer(Syncer): @@ -131,64 +135,82 @@ class UserSyncer(Syncer): name = "user" - async def _get_diff(self, guild: Guild) -> _Diff: + @staticmethod + async def _get_diff(guild: Guild) -> _Diff: """Return the difference of users between the cache of `guild` and the database.""" log.trace("Getting the diff for users.") - users = await self.bot.api_client.get('bot/users') - # Pack DB roles and guild roles into one common, hashable format. - # They're hashable so that they're easily comparable with sets later. - db_users = { - user_dict['id']: _User( - roles=tuple(sorted(user_dict.pop('roles'))), - **user_dict - ) - for user_dict in users - } - guild_users = { - member.id: _User( - id=member.id, - name=member.name, - discriminator=int(member.discriminator), - roles=tuple(sorted(role.id for role in member.roles)), - in_guild=True - ) - for member in guild.members - } + users_to_create = [] + users_to_update = [] + seen_guild_users = set() - users_to_create = set() - users_to_update = set() + async for db_user in UserSyncer._get_users(): + # Store user fields which are to be updated. + updated_fields = {} - for db_user in db_users.values(): - guild_user = guild_users.get(db_user.id) - if guild_user is not None: - if db_user != guild_user: - users_to_update.add(guild_user) + def maybe_update(db_field: str, guild_value: t.Union[str, int]) -> None: + # Equalize DB user and guild user attributes. + if db_user[db_field] != guild_value: + updated_fields[db_field] = guild_value - elif db_user.in_guild: + if guild_user := guild.get_member(db_user["id"]): + seen_guild_users.add(guild_user.id) + + maybe_update("name", guild_user.name) + maybe_update("discriminator", int(guild_user.discriminator)) + maybe_update("in_guild", True) + + guild_roles = [role.id for role in guild_user.roles] + if set(db_user["roles"]) != set(guild_roles): + updated_fields["roles"] = guild_roles + + elif db_user["in_guild"]: # The user is known in the DB but not the guild, and the # DB currently specifies that the user is a member of the guild. # This means that the user has left since the last sync. # Update the `in_guild` attribute of the user on the site # to signify that the user left. - new_api_user = db_user._replace(in_guild=False) - users_to_update.add(new_api_user) - - new_user_ids = set(guild_users.keys()) - set(db_users.keys()) - for user_id in new_user_ids: - # The user is known on the guild but not on the API. This means - # that the user has joined since the last sync. Create it. - new_user = guild_users[user_id] - users_to_create.add(new_user) + updated_fields["in_guild"] = False + + if updated_fields: + updated_fields["id"] = db_user["id"] + users_to_update.append(updated_fields) + + for member in guild.members: + if member.id not in seen_guild_users: + # The user is known on the guild but not on the API. This means + # that the user has joined since the last sync. Create it. + new_user = { + "id": member.id, + "name": member.name, + "discriminator": int(member.discriminator), + "roles": [role.id for role in member.roles], + "in_guild": True + } + users_to_create.append(new_user) return _Diff(users_to_create, users_to_update, None) - async def _sync(self, diff: _Diff) -> None: + @staticmethod + async def _get_users() -> t.AsyncIterable: + """GET users from database.""" + query_params = { + "page": 1 + } + while query_params["page"]: + res = await bot.instance.api_client.get("bot/users", params=query_params) + for user in res["results"]: + yield user + + query_params["page"] = res["next_page_no"] + + @staticmethod + async def _sync(diff: _Diff) -> None: """Synchronise the database with the user cache of `guild`.""" log.trace("Syncing created users...") - for user in diff.created: - await self.bot.api_client.post('bot/users', json=user._asdict()) + if diff.created: + await bot.instance.api_client.post("bot/users", json=diff.created) log.trace("Syncing updated users...") - for user in diff.updated: - await self.bot.api_client.put(f'bot/users/{user.id}', json=user._asdict()) + if diff.updated: + await bot.instance.api_client.patch("bot/users/bulk_patch", json=diff.updated) |