mautrix_telegram/db/portal.py
# mautrix-telegram - A Matrix-Telegram puppeting bridge
# Copyright (C) 2021 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 __future__ import annotations
from typing import TYPE_CHECKING, Any, ClassVar
import json
from asyncpg import Record
from attr import dataclass
import attr
from mautrix.types import BatchID, ContentURI, EventID, RoomID
from mautrix.util.async_db import Database
from ..types import TelegramID
fake_db = Database.create("") if TYPE_CHECKING else None
@dataclass
class Portal:
db: ClassVar[Database] = fake_db
# Telegram chat information
tgid: TelegramID
tg_receiver: TelegramID
peer_type: str
megagroup: bool
# Matrix portal information
mxid: RoomID | None
avatar_url: ContentURI | None
encrypted: bool
first_event_id: EventID | None
next_batch_id: BatchID | None
base_insertion_id: EventID | None
sponsored_event_id: EventID | None
sponsored_event_ts: int | None
sponsored_msg_random_id: bytes | None
# Telegram chat metadata
username: str | None
title: str | None
about: str | None
photo_id: str | None
name_set: bool
avatar_set: bool
local_config: dict[str, Any] = attr.ib(factory=lambda: {})
@classmethod
def _from_row(cls, row: Record | None) -> Portal | None:
if row is None:
return None
data = {**row}
data["local_config"] = json.loads(data.pop("config", None) or "{}")
return cls(**data)
columns: ClassVar[str] = ", ".join(
(
"tgid",
"tg_receiver",
"peer_type",
"megagroup",
"mxid",
"avatar_url",
"encrypted",
"first_event_id",
"next_batch_id",
"base_insertion_id",
"sponsored_event_id",
"sponsored_event_ts",
"sponsored_msg_random_id",
"username",
"title",
"about",
"photo_id",
"name_set",
"avatar_set",
"config",
)
)
@classmethod
async def get_by_tgid(cls, tgid: TelegramID, tg_receiver: TelegramID) -> Portal | None:
q = f"SELECT {cls.columns} FROM portal WHERE tgid=$1 AND tg_receiver=$2"
return cls._from_row(await cls.db.fetchrow(q, tgid, tg_receiver))
@classmethod
async def get_by_mxid(cls, mxid: RoomID) -> Portal | None:
q = f"SELECT {cls.columns} FROM portal WHERE mxid=$1"
return cls._from_row(await cls.db.fetchrow(q, mxid))
@classmethod
async def find_by_username(cls, username: str) -> Portal | None:
q = f"SELECT {cls.columns} FROM portal WHERE lower(username)=$1"
return cls._from_row(await cls.db.fetchrow(q, username.lower()))
@classmethod
async def find_private_chats_of(cls, tg_receiver: TelegramID) -> list[Portal]:
q = f"SELECT {cls.columns} FROM portal WHERE tg_receiver=$1 AND peer_type='user'"
return [cls._from_row(row) for row in await cls.db.fetch(q, tg_receiver)]
@classmethod
async def find_private_chats_with(cls, tgid: TelegramID) -> list[Portal]:
q = f"SELECT {cls.columns} FROM portal WHERE tgid=$1 AND peer_type='user'"
return [cls._from_row(row) for row in await cls.db.fetch(q, tgid)]
@classmethod
async def all(cls) -> list[Portal]:
rows = await cls.db.fetch(f"SELECT {cls.columns} FROM portal")
return [cls._from_row(row) for row in rows]
@property
def _values(self):
return (
self.tgid,
self.tg_receiver,
self.peer_type,
self.mxid,
self.avatar_url,
self.encrypted,
self.first_event_id,
self.next_batch_id,
self.base_insertion_id,
self.sponsored_event_id,
self.sponsored_event_ts,
self.sponsored_msg_random_id,
self.username,
self.title,
self.about,
self.photo_id,
self.name_set,
self.avatar_set,
self.megagroup,
json.dumps(self.local_config) if self.local_config else None,
)
async def save(self) -> None:
q = """
UPDATE portal
SET mxid=$4, avatar_url=$5, encrypted=$6,
first_event_id=$7, next_batch_id=$8, base_insertion_id=$9,
sponsored_event_id=$10, sponsored_event_ts=$11, sponsored_msg_random_id=$12,
username=$13, title=$14, about=$15, photo_id=$16, name_set=$17, avatar_set=$18,
megagroup=$19, config=$20
WHERE tgid=$1 AND tg_receiver=$2 AND (peer_type=$3 OR true)
"""
await self.db.execute(q, *self._values)
async def update_id(self, id: TelegramID, peer_type: str) -> None:
q = (
"UPDATE portal SET tgid=$1, tg_receiver=$1, peer_type=$2 "
"WHERE tgid=$3 AND tg_receiver=$3"
)
clear_queue = "DELETE FROM backfill_queue WHERE portal_tgid=$1 AND portal_tg_receiver=$2"
async with self.db.acquire() as conn, conn.transaction():
await conn.execute(clear_queue, self.tgid, self.tg_receiver)
await conn.execute(q, id, peer_type, self.tgid)
self.tgid = id
self.tg_receiver = id
self.peer_type = peer_type
async def insert(self) -> None:
q = """
INSERT INTO portal (
tgid, tg_receiver, peer_type, mxid, avatar_url, encrypted,
first_event_id, base_insertion_id, next_batch_id,
sponsored_event_id, sponsored_event_ts, sponsored_msg_random_id,
username, title, about, photo_id, name_set, avatar_set, megagroup, config
) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18,
$19, $20)
"""
await self.db.execute(q, *self._values)
async def delete(self) -> None:
q = "DELETE FROM portal WHERE tgid=$1 AND tg_receiver=$2"
await self.db.execute(q, self.tgid, self.tg_receiver)