mirror of
https://github.com/mautrix/signal.git
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144 lines
4.9 KiB
Python
144 lines
4.9 KiB
Python
# mautrix-signal - A Matrix-Signal puppeting bridge
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# Copyright (C) 2020 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 __future__ import annotations
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from typing import TYPE_CHECKING, ClassVar
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from uuid import UUID
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from attr import dataclass
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import asyncpg
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from mausignald.types import GroupID
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from mautrix.types import EventID, RoomID
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from mautrix.util.async_db import Database, Scheme
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from .util import ensure_uuid
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fake_db = Database.create("") if TYPE_CHECKING else None
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@dataclass
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class Message:
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db: ClassVar[Database] = fake_db
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mxid: EventID
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mx_room: RoomID
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sender: UUID
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timestamp: int
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signal_chat_id: GroupID | UUID
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signal_receiver: str
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async def insert(self) -> None:
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q = """
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INSERT INTO message (mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver)
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VALUES ($1, $2, $3, $4, $5, $6)
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"""
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await self.db.execute(
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q,
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self.mxid,
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self.mx_room,
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self.sender,
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self.timestamp,
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str(self.signal_chat_id),
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self.signal_receiver,
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)
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async def delete(self) -> None:
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q = """
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DELETE FROM message
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WHERE sender=$1 AND timestamp=$2 AND signal_chat_id=$3 AND signal_receiver=$4
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"""
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await self.db.execute(
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q,
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self.sender,
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self.timestamp,
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str(self.signal_chat_id),
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self.signal_receiver,
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)
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@classmethod
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async def delete_all(cls, room_id: RoomID) -> None:
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await cls.db.execute("DELETE FROM message WHERE mx_room=$1", room_id)
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@classmethod
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def _from_row(cls, row: asyncpg.Record | None) -> Message | None:
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if row is None:
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return None
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data = {**row}
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chat_id = data.pop("signal_chat_id")
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if data["signal_receiver"]:
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chat_id = ensure_uuid(chat_id)
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sender = ensure_uuid(data.pop("sender"))
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return cls(signal_chat_id=chat_id, sender=sender, **data)
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@classmethod
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async def get_by_mxid(cls, mxid: EventID, mx_room: RoomID) -> Message | None:
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q = """
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SELECT mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver FROM message
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WHERE mxid=$1 AND mx_room=$2
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"""
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return cls._from_row(await cls.db.fetchrow(q, mxid, mx_room))
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@classmethod
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async def get_by_signal_id(
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cls,
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sender: UUID,
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timestamp: int,
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signal_chat_id: GroupID | UUID,
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signal_receiver: str = "",
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) -> Message | None:
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q = """
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SELECT mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver FROM message
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WHERE sender=$1 AND timestamp=$2 AND signal_chat_id=$3 AND signal_receiver=$4
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"""
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return cls._from_row(
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await cls.db.fetchrow(q, sender, timestamp, str(signal_chat_id), signal_receiver)
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)
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@classmethod
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async def find_by_timestamps(cls, timestamps: list[int]) -> list[Message]:
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if cls.db.scheme in (Scheme.POSTGRES, Scheme.COCKROACH):
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q = """
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SELECT mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver FROM message
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WHERE timestamp=ANY($1)
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"""
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rows = await cls.db.fetch(q, timestamps)
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else:
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placeholders = ", ".join("?" for _ in range(len(timestamps)))
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q = f"""
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SELECT mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver FROM message
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WHERE timestamp IN ({placeholders})
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"""
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rows = await cls.db.fetch(q, *timestamps)
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return [cls._from_row(row) for row in rows]
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@classmethod
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async def find_by_sender_timestamp(cls, sender: UUID, timestamp: int) -> Message | None:
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q = """
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SELECT mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver FROM message
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WHERE sender=$1 AND timestamp=$2
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"""
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return cls._from_row(await cls.db.fetchrow(q, sender, timestamp))
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@classmethod
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async def get_first_before(cls, mx_room: RoomID, timestamp: int) -> Message | None:
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q = """
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SELECT mxid, mx_room, sender, timestamp, signal_chat_id, signal_receiver FROM message
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WHERE mx_room=$1 AND timestamp <= $2
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ORDER BY timestamp DESC
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LIMIT 1
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"""
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return cls._from_row(await cls.db.fetchrow(q, mx_room, timestamp))
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