Tulir Asokan
61 lines
2.3 KiB
Python
61 lines
2.3 KiB
Python
# -*- coding: future_fstrings -*-
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# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2018 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from sqlalchemy import Column, String, Text
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from typing import Dict, Optional
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import json
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from ..types import MatrixRoomID
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from .base import Base
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class RoomState(Base):
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__tablename__ = "mx_room_state"
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room_id = Column(String, primary_key=True) # type: MatrixRoomID
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power_levels = Column("power_levels", Text, nullable=True) # type: Optional[Dict]
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@property
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def _power_levels_text(self) -> Optional[str]:
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return json.dumps(self.power_levels) if self.power_levels else None
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@property
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def has_power_levels(self) -> bool:
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return bool(self.power_levels)
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@classmethod
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def get(cls, room_id: MatrixRoomID) -> Optional['RoomState']:
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rows = cls.db.execute(cls.t.select().where(cls.c.room_id == room_id))
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try:
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room_id, power_levels_text = next(rows)
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return cls(room_id=room_id, power_levels=(json.loads(power_levels_text)
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if power_levels_text else None))
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except StopIteration:
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return None
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def update(self) -> None:
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self.db.execute(self.t.update()
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.where(self.c.room_id == self.room_id)
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.values(power_levels=self._power_levels_text))
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@property
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def _edit_identity(self):
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return self.c.room_id == self.room_id
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def insert(self) -> None:
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self.db.execute(self.t.insert().values(room_id=self.room_id,
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power_levels=self._power_levels_text))
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