124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
# matrix-appservice-kakaotalk - A Matrix-KakaoTalk puppeting bridge.
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# Copyright (C) 2022 Tulir Asokan, Andrew Ferrazzutti
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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 asyncpg import Record
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from attr import dataclass, field
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from mautrix.types import EventID, RoomID
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from mautrix.util.async_db import Database
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from ..kt.types.bson import Long
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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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ktid: Long = field(converter=Long)
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index: int
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kt_chat: Long = field(converter=Long)
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kt_receiver: Long = field(converter=Long)
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timestamp: int
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@classmethod
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def _from_row(cls, row: Record) -> Message:
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return cls(**row)
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@classmethod
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def _from_optional_row(cls, row: Record | None) -> Message | None:
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return cls._from_row(row) if row is not None else None
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columns = 'mxid, mx_room, ktid, "index", kt_chat, kt_receiver, timestamp'
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@classmethod
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async def get_all_by_ktid(cls, ktid: int, kt_receiver: int) -> list[Message]:
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q = f"SELECT {cls.columns} FROM message WHERE ktid=$1 AND kt_receiver=$2"
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rows = await cls.db.fetch(q, ktid, kt_receiver)
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return [cls._from_row(row) for row in rows if row]
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@classmethod
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async def get_by_ktid(cls, ktid: int, kt_receiver: int, index: int = 0) -> Message | None:
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q = f'SELECT {cls.columns} FROM message WHERE ktid=$1 AND kt_receiver=$2 AND "index"=$3'
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row = await cls.db.fetchrow(q, ktid, kt_receiver, index)
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return cls._from_optional_row(row)
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@classmethod
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async def delete_all_by_room(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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async def get_by_mxid(cls, mxid: EventID, mx_room: RoomID) -> Message | None:
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q = f"SELECT {cls.columns} FROM message WHERE mxid=$1 AND mx_room=$2"
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row = await cls.db.fetchrow(q, mxid, mx_room)
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return cls._from_optional_row(row)
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@classmethod
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async def get_most_recent(cls, kt_chat: int, kt_receiver: int) -> Message | None:
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q = (
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f"SELECT {cls.columns} "
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"FROM message WHERE kt_chat=$1 AND kt_receiver=$2 AND ktid IS NOT NULL "
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"ORDER BY timestamp DESC LIMIT 1"
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)
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row = await cls.db.fetchrow(q, kt_chat, kt_receiver)
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return cls._from_optional_row(row)
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@classmethod
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async def get_closest_before(
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cls, kt_chat: int, kt_receiver: int, timestamp: int
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) -> Message | None:
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q = (
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f"SELECT {cls.columns} "
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"FROM message WHERE kt_chat=$1 AND kt_receiver=$2 AND timestamp<=$3 AND "
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" ktid IS NOT NULL "
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"ORDER BY timestamp DESC LIMIT 1"
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)
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row = await cls.db.fetchrow(q, kt_chat, kt_receiver, timestamp)
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return cls._from_optional_row(row)
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_insert_query = (
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'INSERT INTO message (mxid, mx_room, ktid, "index", kt_chat, kt_receiver, '
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" timestamp) "
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"VALUES ($1, $2, $3, $4, $5, $6, $7)"
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)
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async def insert(self) -> None:
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q = self._insert_query
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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.ktid,
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self.index,
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self.kt_chat,
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self.kt_receiver,
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self.timestamp,
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)
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async def delete(self) -> None:
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q = 'DELETE FROM message WHERE ktid=$1 AND kt_receiver=$2 AND "index"=$3'
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await self.db.execute(q, self.ktid, self.kt_receiver, self.index)
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async def update(self) -> None:
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q = "UPDATE message SET ktid=$1, timestamp=$2 WHERE mxid=$3 AND mx_room=$4"
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await self.db.execute(q, self.ktid, self.timestamp, self.mxid, self.mx_room)
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