364 lines
13 KiB
Python
364 lines
13 KiB
Python
from dataclasses import dataclass
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from hashlib import shake_256
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from logging import Logger
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from typing import Any, Dict, List, Optional
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from bson import ObjectId
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from discord import Bot, Guild, Member, PermissionOverwrite, TextChannel, Forbidden, Role
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from discord.abc import GuildChannel
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from libbot.cache.classes import Cache
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from pymongo.results import InsertOneResult
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from classes.errors.pycord_user import UserNotFoundError
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from modules.database import col_users
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from modules.utils import get_logger, restore_from_cache
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logger: Logger = get_logger(__name__)
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@dataclass
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class PycordUser:
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"""Dataclass of DB entry of a user"""
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__slots__ = (
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"_id",
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"id",
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"guild_id",
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"event_channels",
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"is_jailed",
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"current_event_id",
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"current_stage_id",
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"registered_event_ids",
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"completed_event_ids",
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)
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__short_name__ = "user"
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__collection__ = col_users
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_id: ObjectId
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id: int
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guild_id: int
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event_channels: Dict[str, int]
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is_jailed: bool
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current_event_id: ObjectId | None
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current_stage_id: ObjectId | None
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registered_event_ids: List[ObjectId]
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completed_event_ids: List[ObjectId]
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# TODO Review the redesign
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# event_channel_ids: {
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# "%event_id%": %channel_id%
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# }
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@classmethod
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async def from_id(
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cls, user_id: int, allow_creation: bool = True, cache: Optional[Cache] = None
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) -> "PycordUser":
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"""Find user in database and create new record if user does not exist.
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Args:
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user_id (int): User's Discord ID
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allow_creation (:obj:`bool`, optional): Create new user record if none found in the database
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cache (:obj:`Cache`, optional): Cache engine to get the cache from
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Returns:
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PycordUser: User object
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Raises:
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UserNotFoundError: User was not found and creation was not allowed
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"""
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cached_entry: Dict[str, Any] | None = restore_from_cache(cls.__short_name__, user_id, cache=cache)
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if cached_entry is not None:
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return cls(**cached_entry)
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db_entry = await cls.__collection__.find_one({"id": user_id})
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if db_entry is None:
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if not allow_creation:
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raise UserNotFoundError(user_id)
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db_entry = PycordUser.get_defaults(user_id)
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insert_result: InsertOneResult = await cls.__collection__.insert_one(db_entry)
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db_entry["_id"] = insert_result.inserted_id
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if cache is not None:
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cache.set_json(f"{cls.__short_name__}_{user_id}", db_entry)
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return cls(**db_entry)
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def to_dict(self, json_compatible: bool = False) -> Dict[str, Any]:
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"""Convert PycordUser object to a JSON representation.
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Args:
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json_compatible (bool): Whether the JSON-incompatible objects like ObjectId need to be converted
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Returns:
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Dict[str, Any]: JSON representation of PycordUser
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"""
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return {
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"_id": self._id if not json_compatible else str(self._id),
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"id": self.id,
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"guild_id": self.guild_id,
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"event_channels": self.event_channels,
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"is_jailed": self.is_jailed,
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"current_event_id": (
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self.current_event_id if not json_compatible else str(self.current_event_id)
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),
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"current_stage_id": (
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self.current_stage_id if not json_compatible else str(self.current_stage_id)
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),
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"registered_event_ids": (
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self.registered_event_ids
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if not json_compatible
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else [str(event_id) for event_id in self.registered_event_ids]
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),
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"completed_event_ids": (
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self.completed_event_ids
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if not json_compatible
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else [str(event_id) for event_id in self.completed_event_ids]
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),
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}
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async def _set(self, cache: Optional[Cache] = None, **kwargs: Any) -> None:
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"""Set attribute data and save it into the database.
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Args:
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cache (:obj:`Cache`, optional): Cache engine to write the update into
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**kwargs (Any): Mapping of attribute names and respective values to be set
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"""
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for key, value in kwargs.items():
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if not hasattr(self, key):
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raise AttributeError()
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setattr(self, key, value)
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await self.__collection__.update_one({"_id": self._id}, {"$set": kwargs}, upsert=True)
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self._update_cache(cache)
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logger.info("Set attributes of user %s to %s", self.id, kwargs)
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async def _remove(self, *args: str, cache: Optional[Cache] = None) -> None:
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"""Remove attribute data and save it into the database.
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Args:
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cache (:obj:`Cache`, optional): Cache engine to write the update into
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*args (str): List of attributes to remove
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"""
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attributes: Dict[str, Any] = {}
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for key in args:
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if not hasattr(self, key):
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raise AttributeError()
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default_value: Any = self.get_default_value(key)
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setattr(self, key, default_value)
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attributes[key] = default_value
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await self.__collection__.update_one({"_id": self._id}, {"$set": attributes}, upsert=True)
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self._update_cache(cache)
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logger.info("Reset attributes %s of user %s to default values", args, self.id)
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def _get_cache_key(self) -> str:
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return f"{self.__short_name__}_{self.id}"
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def _update_cache(self, cache: Optional[Cache] = None) -> None:
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if cache is None:
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return
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user_dict: Dict[str, Any] = self.to_dict()
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if user_dict is not None:
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cache.set_json(self._get_cache_key(), user_dict)
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else:
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self._delete_cache(cache)
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def _delete_cache(self, cache: Optional[Cache] = None) -> None:
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if cache is None:
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return
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cache.delete(self._get_cache_key())
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@staticmethod
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def get_defaults(user_id: Optional[int] = None, guild_id: Optional[int] = None) -> Dict[str, Any]:
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return {
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"id": user_id,
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"guild_id": guild_id,
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"event_channels": {},
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"is_jailed": False,
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"current_event_id": None,
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"current_stage_id": None,
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"registered_event_ids": [],
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"completed_event_ids": [],
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}
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@staticmethod
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def get_default_value(key: str) -> Any:
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if key not in PycordUser.get_defaults():
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raise KeyError(f"There's no default value for key '{key}' in PycordUser")
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return PycordUser.get_defaults()[key]
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async def purge(self, cache: Optional[Cache] = None) -> None:
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"""Completely remove user data from database. Currently only removes the user record from users collection.
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Args:
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cache (:obj:`Cache`, optional): Cache engine to write the update into
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"""
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await self.__collection__.delete_one({"_id": self._id})
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self._delete_cache(cache)
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# TODO Add documentation
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async def event_register(self, event_id: str | ObjectId, cache: Optional[Cache] = None) -> None:
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event_id: ObjectId = ObjectId(event_id) if isinstance(event_id, str) else event_id
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if event_id in self.registered_event_ids:
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raise RuntimeError(f"User is already registered for event {event_id}")
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# TODO Add a unique exception
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# raise UserAlreadyRegisteredForEventError(event_name)
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self.registered_event_ids.append(event_id)
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await self._set(cache, registered_event_ids=self.registered_event_ids)
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# TODO Add documentation
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async def event_unregister(self, event_id: str | ObjectId, cache: Optional[Cache] = None) -> None:
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event_id: ObjectId = ObjectId(event_id) if isinstance(event_id, str) else event_id
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if event_id not in self.registered_event_ids:
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raise RuntimeError(f"User is not registered for event {event_id}")
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# TODO Add a unique exception
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# raise UserNotRegisteredForEventError(event_name)
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self.registered_event_ids.remove(event_id)
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await self._set(cache, registered_event_ids=self.registered_event_ids)
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# TODO Add documentation
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async def event_complete(self, event_id: str | ObjectId, cache: Optional[Cache] = None) -> None:
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event_id: ObjectId = ObjectId(event_id) if isinstance(event_id, str) else event_id
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if event_id in self.completed_event_ids:
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raise RuntimeError(f"User has already completed event {event_id}")
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# TODO Add a unique exception
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# raise UserAlreadyCompletedEventError(event_name)
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self.completed_event_ids.append(event_id)
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await self._set(cache, completed_event_ids=self.completed_event_ids)
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async def setup_event_channel(
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self,
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bot: Bot,
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guild: Guild,
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pycord_guild: "PycordGuild",
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pycord_event: "PycordEvent",
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cache: Optional[Cache] = None,
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):
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if str(pycord_event._id) in self.event_channels.keys():
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return
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discord_member: Member | None = guild.get_member(self.id)
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discord_category: GuildChannel | None = bot.get_channel(pycord_guild.category_id)
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if discord_member is None:
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raise RuntimeError(
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f"Discord guild member with ID {self.id} in guild with ID {guild.id} could not be found!"
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)
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# TODO Add a unique exception
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# raise DiscordGuildMemberNotFoundError(self.id, guild.id)
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if discord_category is None:
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raise RuntimeError(
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f"Discord category with ID {pycord_guild.category_id} in guild with ID {guild.id} could not be found!"
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)
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# TODO Add a unique exception
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# raise DiscordCategoryNotFoundError(pycord_guild.category_id, guild.id)
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permission_overwrites: Dict[Role | Member, PermissionOverwrite] = {
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guild.default_role: PermissionOverwrite(
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view_channel=False,
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),
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guild.self_role: PermissionOverwrite(
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view_channel=True,
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),
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discord_member: PermissionOverwrite(
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view_channel=True,
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send_messages=True,
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use_application_commands=True,
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),
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}
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channel: TextChannel = await guild.create_text_channel(
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f"{discord_member.name}_{shake_256(str(pycord_event._id).encode()).hexdigest(3)}",
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category=discord_category,
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overwrites=permission_overwrites,
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reason=f"Event channel of {self.id} for event {pycord_event._id}",
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)
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await self.set_event_channel(pycord_event._id, channel.id, cache=cache)
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async def lock_event_channel(
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self,
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guild: Guild,
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event_id: str | ObjectId,
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completely: bool = False,
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channel: Optional[TextChannel] = None,
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):
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discord_member: Member | None = guild.get_member(self.id)
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discord_channel: TextChannel | None = (
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channel if channel is not None else guild.get_channel(self.event_channels[str(event_id)])
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)
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if discord_member is None:
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raise RuntimeError(
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f"Discord guild member with ID {self.id} in guild with ID {guild.id} could not be found!"
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)
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# TODO Add a unique exception
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# raise DiscordGuildMemberNotFoundError(self.id, guild.id)
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if discord_member is None:
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raise RuntimeError(
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f"Discord channel with ID {self.event_channels[str(event_id)]} in guild with ID {guild.id} could not be found!"
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)
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# TODO Add a unique exception
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# raise DiscordChannelNotFoundError(self.event_channels[str(event_id)], guild.id)
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permission_overwrite: PermissionOverwrite = PermissionOverwrite(
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view_channel=not completely,
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send_messages=False,
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use_application_commands=False,
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)
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try:
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await discord_channel.set_permissions(
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discord_member, overwrite=permission_overwrite, reason="Invoked from the user method"
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)
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except Forbidden:
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logger.error(
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"Could not update channel permissions of %s for %s due to user having higher privileges.",
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discord_channel.id,
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self.id,
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)
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# TODO Add documentation
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async def set_event_channel(
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self, event_id: str | ObjectId, channel_id: int, cache: Optional[Cache] = None
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) -> None:
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self.event_channels[event_id if isinstance(event_id, str) else str(event_id)] = channel_id
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await self._set(cache, event_channels=self.event_channels)
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