Files
mautrix-telegram/mautrix_telegram/db.py
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2018-10-20 23:11:10 +03:00

259 lines
9.7 KiB
Python

# -*- coding: future_fstrings -*-
# mautrix-telegram - A Matrix-Telegram puppeting bridge
# Copyright (C) 2018 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 sqlalchemy import (Column, UniqueConstraint, ForeignKey, ForeignKeyConstraint, Integer,
BigInteger, String, Boolean, Text, Table,
and_, func, select)
from sqlalchemy.engine import Engine, RowProxy
from sqlalchemy.sql import expression
from sqlalchemy.orm import relationship, Query
from sqlalchemy.sql.base import ImmutableColumnCollection
from typing import Dict, Optional, List
import json
from mautrix_telegram.types import MatrixUserID, MatrixRoomID, MatrixEventID
from .types import TelegramID
from .base import Base
class Portal(Base):
query = None # type: Query
__tablename__ = "portal"
# Telegram chat information
tgid = Column(Integer, primary_key=True) # type: TelegramID
tg_receiver = Column(Integer, primary_key=True) # type: TelegramID
peer_type = Column(String, nullable=False)
megagroup = Column(Boolean)
# Matrix portal information
mxid = Column(String, unique=True, nullable=True) # type: Optional[MatrixRoomID]
config = Column(Text, nullable=True)
# Telegram chat metadata
username = Column(String, nullable=True)
title = Column(String, nullable=True)
about = Column(String, nullable=True)
photo_id = Column(String, nullable=True)
class Message(Base):
db = None # type: Engine
t = None # type: Table
c = None # type: ImmutableColumnCollection
__tablename__ = "message"
mxid = Column(String) # type: MatrixEventID
mx_room = Column(String) # type: MatrixRoomID
tgid = Column(Integer, primary_key=True) # type: TelegramID
tg_space = Column(Integer, primary_key=True) # type: TelegramID
__table_args__ = (UniqueConstraint("mxid", "mx_room", "tg_space", name="_mx_id_room"),)
@staticmethod
def _one_or_none(rows: RowProxy) -> Optional['Message']:
try:
mxid, mx_room, tgid, tg_space = next(rows)
return Message(mxid=mxid, mx_room=mx_room, tgid=tgid, tg_space=tg_space)
except StopIteration:
return None
@staticmethod
def _all(rows: RowProxy) -> List['Message']:
return [Message(mxid=row[0], mx_room=row[1], tgid=row[2], tg_space=row[3])
for row in rows]
@classmethod
def get_by_tgid(cls, tgid: TelegramID, tg_space: TelegramID) -> Optional['Message']:
rows = cls.db.execute(cls.t.select()
.where(and_(cls.c.tgid == tgid, cls.c.tg_space == tg_space)))
return cls._one_or_none(rows)
@classmethod
def count_spaces_by_mxid(cls, mxid: MatrixEventID, mx_room: MatrixRoomID) -> int:
rows = cls.db.execute(select([func.count(cls.c.tg_space)])
.where(and_(cls.c.mxid == mxid, cls.c.mx_room == mx_room)))
try:
count, = next(rows)
return count
except StopIteration:
return 0
@classmethod
def get_by_mxid(cls, mxid: MatrixEventID, mx_room: MatrixRoomID, tg_space: TelegramID
) -> Optional['Message']:
rows = cls.db.execute(cls.t.select().where(
and_(cls.c.mxid == mxid, cls.c.mx_room == mx_room, cls.c.tg_space == tg_space)))
return cls._one_or_none(rows)
@classmethod
def update_by_tgid(cls, s_tgid: TelegramID, s_tg_space: TelegramID, **values) -> None:
cls.db.execute(cls.t.update()
.where(and_(cls.c.tgid == s_tgid, cls.c.tg_space == s_tg_space))
.values(**values))
@classmethod
def update_by_mxid(cls, s_mxid: MatrixEventID, s_mx_room: MatrixRoomID, **values) -> None:
cls.db.execute(cls.t.update()
.where(and_(cls.c.mxid == s_mxid, cls.c.mx_room == s_mx_room))
.values(**values))
def update(self, **values) -> None:
for key, value in values.items():
setattr(self, key, value)
self.update_by_tgid(self.tgid, self.tg_space, **values)
def delete(self) -> None:
self.db.execute(self.t.delete().where(
and_(self.c.tgid == self.tgid, self.c.tg_space == self.tg_space)))
def insert(self) -> None:
self.db.execute(self.t.insert().values(mxid=self.mxid, mx_room=self.mx_room, tgid=self.tgid,
tg_space=self.tg_space))
class UserPortal(Base):
query = None # type: Query
__tablename__ = "user_portal"
user = Column(Integer, ForeignKey("user.tgid", onupdate="CASCADE", ondelete="CASCADE"),
primary_key=True) # type: TelegramID
portal = Column(Integer, primary_key=True) # type: TelegramID
portal_receiver = Column(Integer, primary_key=True) # type: TelegramID
__table_args__ = (ForeignKeyConstraint(("portal", "portal_receiver"),
("portal.tgid", "portal.tg_receiver"),
onupdate="CASCADE", ondelete="CASCADE"),)
class User(Base):
query = None # type: Query
__tablename__ = "user"
mxid = Column(String, primary_key=True) # type: MatrixUserID
tgid = Column(Integer, nullable=True, unique=True) # type: Optional[TelegramID]
tg_username = Column(String, nullable=True)
tg_phone = Column(String, nullable=True)
saved_contacts = Column(Integer, default=0, nullable=False)
contacts = relationship("Contact", uselist=True,
cascade="save-update, merge, delete, delete-orphan"
) # type: List[Contact]
portals = relationship("Portal", secondary="user_portal")
class RoomState(Base):
query = None # type: Query
__tablename__ = "mx_room_state"
room_id = Column(String, primary_key=True) # type: MatrixRoomID
_power_levels_text = Column("power_levels", Text, nullable=True)
_power_levels_json = {} # type: Dict
@property
def has_power_levels(self) -> bool:
return bool(self._power_levels_text)
@property
def power_levels(self) -> Dict:
if not self._power_levels_json and self._power_levels_text:
self._power_levels_json = json.loads(self._power_levels_text)
return self._power_levels_json
@power_levels.setter
def power_levels(self, val: Dict) -> None:
self._power_levels_json = val
self._power_levels_text = json.dumps(val)
class UserProfile(Base):
query = None # type: Query
__tablename__ = "mx_user_profile"
room_id = Column(String, primary_key=True) # type: MatrixRoomID
user_id = Column(String, primary_key=True) # type: MatrixUserID
membership = Column(String, nullable=False, default="leave")
displayname = Column(String, nullable=True)
avatar_url = Column(String, nullable=True)
def dict(self) -> Dict[str, str]:
return {
"membership": self.membership,
"displayname": self.displayname,
"avatar_url": self.avatar_url,
}
class Contact(Base):
query = None # type: Query
__tablename__ = "contact"
user = Column(Integer, ForeignKey("user.tgid"), primary_key=True) # type: TelegramID
contact = Column(Integer, ForeignKey("puppet.id"), primary_key=True) # type: TelegramID
class Puppet(Base):
query = None # type: Query
__tablename__ = "puppet"
id = Column(Integer, primary_key=True) # type: TelegramID
custom_mxid = Column(String, nullable=True) # type: Optional[MatrixUserID]
access_token = Column(String, nullable=True)
displayname = Column(String, nullable=True)
displayname_source = Column(Integer, nullable=True) # type: Optional[TelegramID]
username = Column(String, nullable=True)
photo_id = Column(String, nullable=True)
is_bot = Column(Boolean, nullable=True)
matrix_registered = Column(Boolean, nullable=False, server_default=expression.false())
# Fucking Telegram not telling bots what chats they are in 3:<
class BotChat(Base):
query = None # type: Query
__tablename__ = "bot_chat"
id = Column(Integer, primary_key=True) # type: TelegramID
type = Column(String, nullable=False)
class TelegramFile(Base):
query = None # type: Query
__tablename__ = "telegram_file"
id = Column(String, primary_key=True)
mxc = Column(String)
mime_type = Column(String)
was_converted = Column(Boolean)
timestamp = Column(BigInteger)
size = Column(Integer, nullable=True)
width = Column(Integer, nullable=True)
height = Column(Integer, nullable=True)
thumbnail_id = Column("thumbnail", String, ForeignKey("telegram_file.id"), nullable=True)
thumbnail = relationship("TelegramFile", uselist=False)
def init(db_session, db_engine) -> None:
Portal.query = db_session.query_property()
Message.db = db_engine
Message.t = Message.__table__
Message.c = Message.t.c
UserPortal.query = db_session.query_property()
User.query = db_session.query_property()
Puppet.query = db_session.query_property()
BotChat.query = db_session.query_property()
TelegramFile.query = db_session.query_property()
UserProfile.query = db_session.query_property()
RoomState.query = db_session.query_property()