Tulir Asokan
107 lines
4.5 KiB
Python
107 lines
4.5 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2019 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 typing import Optional, Iterator, List
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from sqlalchemy import Column, UniqueConstraint, Integer, String, and_, func, desc, select
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from mautrix.types import RoomID, EventID
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from mautrix.util.db import Base
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from ..types import TelegramID
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class Message(Base):
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__tablename__ = "message"
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mxid: EventID = Column(String)
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mx_room: RoomID = Column(String)
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tgid: TelegramID = Column(Integer, primary_key=True)
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tg_space: TelegramID = Column(Integer, primary_key=True)
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edit_index: int = Column(Integer, primary_key=True)
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__table_args__ = (UniqueConstraint("mxid", "mx_room", "tg_space", name="_mx_id_room_2"),)
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@classmethod
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def get_all_by_tgid(cls, tgid: TelegramID, tg_space: TelegramID) -> Iterator['Message']:
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return cls._select_all(cls.c.tgid == tgid, cls.c.tg_space == tg_space)
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@classmethod
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def get_one_by_tgid(cls, tgid: TelegramID, tg_space: TelegramID, edit_index: int = 0
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) -> Optional['Message']:
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if edit_index < 0:
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return cls._one_or_none(cls.db.execute(
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cls.t.select()
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.where(and_(cls.c.tgid == tgid, cls.c.tg_space == tg_space))
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.order_by(desc(cls.c.edit_index))
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.limit(1).offset(-edit_index - 1)))
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else:
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return cls._select_one_or_none(cls.c.tgid == tgid, cls.c.tg_space == tg_space,
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cls.c.edit_index == edit_index)
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@classmethod
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def get_first_by_tgids(cls, tgids: List[TelegramID], tg_space: TelegramID
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) -> Iterator['Message']:
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return cls._select_all(cls.c.tgid.in_(tgids), cls.c.tg_space == tg_space,
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cls.c.edit_index == 0)
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@classmethod
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def count_spaces_by_mxid(cls, mxid: EventID, mx_room: RoomID) -> int:
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rows = cls.db.execute(select([func.count(cls.c.tg_space)])
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.where(and_(cls.c.mxid == mxid, cls.c.mx_room == mx_room)))
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try:
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count, = next(rows)
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return count
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except StopIteration:
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return 0
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@classmethod
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def find_last(cls, mx_room: RoomID, tg_space: TelegramID) -> Optional['Message']:
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return cls._one_or_none(cls.db.execute(
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cls._make_simple_select(cls.c.mx_room == mx_room, cls.c.tg_space == tg_space)
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.order_by(desc(cls.c.tgid)).limit(1)))
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@classmethod
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def delete_all(cls, mx_room: RoomID) -> None:
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cls.db.execute(cls.t.delete().where(cls.c.mx_room == mx_room))
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@classmethod
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def get_by_mxid(cls, mxid: EventID, mx_room: RoomID, tg_space: TelegramID
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) -> Optional['Message']:
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return cls._select_one_or_none(cls.c.mxid == mxid, cls.c.mx_room == mx_room,
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cls.c.tg_space == tg_space)
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@classmethod
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def get_by_mxids(cls, mxids: List[EventID], mx_room: RoomID, tg_space: TelegramID
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) -> Iterator['Message']:
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return cls._select_all(cls.c.mxid.in_(mxids), cls.c.mx_room == mx_room,
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cls.c.tg_space == tg_space)
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@classmethod
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def update_by_tgid(cls, s_tgid: TelegramID, s_tg_space: TelegramID, s_edit_index: int,
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**values) -> None:
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with cls.db.begin() as conn:
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conn.execute(cls.t.update()
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.where(and_(cls.c.tgid == s_tgid, cls.c.tg_space == s_tg_space,
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cls.c.edit_index == s_edit_index))
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.values(**values))
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@classmethod
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def update_by_mxid(cls, s_mxid: EventID, s_mx_room: RoomID, **values) -> None:
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with cls.db.begin() as conn:
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conn.execute(cls.t.update()
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.where(and_(cls.c.mxid == s_mxid, cls.c.mx_room == s_mx_room))
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.values(**values))
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