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# Copyright (c) 2022 Tulir Asokan
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import annotations
from typing import TypeVar
from abc import ABC, abstractmethod
import time
from attr import dataclass
from mautrix.types import EventID, RoomID
@dataclass
class AbstractDisappearingMessage(ABC):
room_id: RoomID
event_id: EventID
expiration_seconds: int
expiration_ts: int | None = None
@abstractmethod
async def insert(self) -> None:
pass
@abstractmethod
async def update(self) -> None:
pass
def start_timer(self) -> None:
self.expiration_ts = int(time.time() * 1000) + (self.expiration_seconds * 1000)
@abstractmethod
async def delete(self) -> None:
pass
@classmethod
@abstractmethod
async def get_all_scheduled(cls: type[DisappearingMessage]) -> list[DisappearingMessage]:
pass
@classmethod
@abstractmethod
async def get_unscheduled_for_room(
cls: type[DisappearingMessage], room_id: RoomID
) -> list[DisappearingMessage]:
pass
DisappearingMessage = TypeVar("DisappearingMessage", bound=AbstractDisappearingMessage)
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