mautrix-signal/mautrix_signal/db/portal.py
2020-09-28 02:03:47 +03:00

92 lines
3.5 KiB
Python

# mautrix-signal - A Matrix-Signal puppeting bridge
# Copyright (C) 2020 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, ClassVar, List, Union, TYPE_CHECKING
from uuid import UUID
from attr import dataclass
import asyncpg
from mautrix.types import RoomID
from mautrix.util.async_db import Database
fake_db = Database("") if TYPE_CHECKING else None
@dataclass
class Portal:
db: ClassVar[Database] = fake_db
chat_id: Union[UUID, str]
receiver: str
mxid: Optional[RoomID]
name: Optional[str]
encrypted: bool
async def insert(self) -> None:
q = ("INSERT INTO portal (chat_id, receiver, mxid, name, encrypted) "
"VALUES ($1, $2, $3, $4, $5)")
await self.db.execute(q, self.chat_id, self.receiver, self.mxid, self.name, self.encrypted)
async def update(self) -> None:
q = ("UPDATE portal SET mxid=$3, name=$4, encrypted=$5 "
"WHERE chat_id=$1::text AND receiver=$2")
await self.db.execute(q, self.chat_id, self.receiver, self.mxid, self.name, self.encrypted)
@classmethod
def _from_row(cls, row: asyncpg.Record) -> 'Portal':
data = {**row}
if data["receiver"]:
chat_id = UUID(data.pop("chat_id"))
else:
chat_id = data.pop("chat_id")
return cls(chat_id=chat_id, **data)
@classmethod
async def get_by_mxid(cls, mxid: RoomID) -> Optional['Portal']:
q = "SELECT chat_id, receiver, mxid, name, encrypted FROM portal WHERE mxid=$1"
row = await cls.db.fetchrow(q, mxid)
if not row:
return None
return cls._from_row(row)
@classmethod
async def get_by_chat_id(cls, chat_id: Union[UUID, str], receiver: str = ""
) -> Optional['Portal']:
q = ("SELECT chat_id, receiver, mxid, name, encrypted "
"FROM portal WHERE chat_id=$1::text AND receiver=$2")
row = await cls.db.fetchrow(q, chat_id, receiver)
if not row:
return None
return cls._from_row(row)
@classmethod
async def find_private_chats_of(cls, receiver: str) -> List['Portal']:
q = "SELECT chat_id, receiver, mxid, name, encrypted FROM portal WHERE receiver=$1"
rows = await cls.db.fetch(q, receiver)
return [cls._from_row(row) for row in rows]
@classmethod
async def find_private_chats_with(cls, other_user: UUID) -> List['Portal']:
q = ("SELECT chat_id, receiver, mxid, name, encrypted FROM portal "
"WHERE chat_id=$1::text AND receiver<>''")
rows = await cls.db.fetch(q, other_user)
return [cls._from_row(row) for row in rows]
@classmethod
async def all_with_room(cls) -> List['Portal']:
q = "SELECT chat_id, receiver, mxid, name, encrypted FROM portal WHERE mxid IS NOT NULL"
rows = await cls.db.fetch(q)
return [cls._from_row(row) for row in rows]