Files
mautrix-telegram/mautrix_telegram/db/portal.py
T
2019-08-04 01:41:10 +03:00

78 lines
3.1 KiB
Python

# mautrix-telegram - A Matrix-Telegram puppeting bridge
# Copyright (C) 2019 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Optional
from sqlalchemy import Column, Integer, String, Boolean, Text, and_
from sqlalchemy.engine.result import RowProxy
from sqlalchemy.sql.expression import ClauseElement
from mautrix.types import RoomID
from mautrix.bridge.db import Base
from ..types import TelegramID
class Portal(Base):
__tablename__ = "portal"
# Telegram chat information
tgid: TelegramID = Column(Integer, primary_key=True)
tg_receiver: TelegramID = Column(Integer, primary_key=True)
peer_type: str = Column(String, nullable=False)
megagroup: bool = Column(Boolean)
# Matrix portal information
mxid: RoomID = Column(String, unique=True, nullable=True)
config: str = Column(Text, nullable=True)
# Telegram chat metadata
username: str = Column(String, nullable=True)
title: str = Column(String, nullable=True)
about: str = Column(String, nullable=True)
photo_id: str = Column(String, nullable=True)
@classmethod
def scan(cls, row: RowProxy) -> Optional['Portal']:
(tgid, tg_receiver, peer_type, megagroup, mxid, config, username, title, about,
photo_id) = row
return cls(tgid=tgid, tg_receiver=tg_receiver, peer_type=peer_type, megagroup=megagroup,
mxid=mxid, config=config, username=username, title=title, about=about,
photo_id=photo_id)
@classmethod
def get_by_tgid(cls, tgid: TelegramID, tg_receiver: TelegramID) -> Optional['Portal']:
return cls._select_one_or_none(and_(cls.c.tgid == tgid, cls.c.tg_receiver == tg_receiver))
@classmethod
def get_by_mxid(cls, mxid: RoomID) -> Optional['Portal']:
return cls._select_one_or_none(cls.c.mxid == mxid)
@classmethod
def get_by_username(cls, username: str) -> Optional['Portal']:
return cls._select_one_or_none(cls.c.username == username)
@property
def _edit_identity(self) -> ClauseElement:
return and_(self.c.tgid == self.tgid, self.c.tg_receiver == self.tg_receiver)
def insert(self) -> None:
with self.db.begin() as conn:
conn.execute(self.t.insert().values(
tgid=self.tgid, tg_receiver=self.tg_receiver, peer_type=self.peer_type,
megagroup=self.megagroup, mxid=self.mxid, config=self.config,
username=self.username, title=self.title, about=self.about, photo_id=self.photo_id))