matrix-appservice-kakaotalk/matrix_appservice_kakaotalk/db/portal.py

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# matrix-appservice-kakaotalk - A Matrix-KakaoTalk puppeting bridge.
# Copyright (C) 2022 Tulir Asokan, Andrew Ferrazzutti
#
# 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, ClassVar
from asyncpg import Record
from attr import dataclass, field
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from mautrix.types import ContentURI, RoomID, UserID
from mautrix.util.async_db import Database
from ..kt.types.bson import Long, to_optional_long
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from ..kt.types.channel.channel_type import ChannelType
fake_db = Database.create("") if TYPE_CHECKING else None
@dataclass
class Portal:
db: ClassVar[Database] = fake_db
ktid: Long = field(converter=Long)
kt_receiver: Long = field(converter=Long)
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kt_type: ChannelType
mxid: RoomID | None
name: str | None
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description: str | None
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photo_id: str | None
avatar_url: ContentURI | None
encrypted: bool
name_set: bool
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topic_set: bool
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avatar_set: bool
link_id: Long | None = field(converter=to_optional_long)
link_url: str | None
fully_read_kt_chat: Long | None = field(converter=to_optional_long)
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relay_user_id: UserID | None
@classmethod
def _from_row(cls, row: Record) -> Portal:
return cls(**row)
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@classmethod
def _from_optional_row(cls, row: Record | None) -> Portal | None:
return cls._from_row(row) if row is not None else None
_columns = (
"ktid, kt_receiver, kt_type, mxid, name, description, photo_id, avatar_url, encrypted, "
"name_set, avatar_set, link_id, link_url, fully_read_kt_chat, relay_user_id"
)
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@classmethod
async def get_by_ktid(cls, ktid: int, kt_receiver: int) -> Portal | None:
q = f"SELECT {cls._columns} FROM portal WHERE ktid=$1 AND kt_receiver=$2"
row = await cls.db.fetchrow(q, ktid, kt_receiver)
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return cls._from_optional_row(row)
@classmethod
async def get_by_mxid(cls, mxid: RoomID) -> Portal | None:
q = f"SELECT {cls._columns} FROM portal WHERE mxid=$1"
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row = await cls.db.fetchrow(q, mxid)
return cls._from_optional_row(row)
@classmethod
async def get_all_by_receiver(cls, kt_receiver: int) -> list[Portal]:
q = f"SELECT {cls._columns} FROM portal WHERE kt_receiver=$1"
rows = await cls.db.fetch(q, kt_receiver)
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return [cls._from_row(row) for row in rows if row]
@classmethod
async def all(cls) -> list[Portal]:
q = f"SELECT {cls._columns} FROM portal"
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rows = await cls.db.fetch(q)
return [cls._from_row(row) for row in rows if row]
@property
def _values(self):
return (
self.ktid,
self.kt_receiver,
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self.kt_type,
self.mxid,
self.name,
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self.description,
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self.photo_id,
self.avatar_url,
self.encrypted,
self.name_set,
self.avatar_set,
self.link_id,
self.link_url,
self.fully_read_kt_chat,
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self.relay_user_id,
)
_args = "$" + ", $".join(str(i + 1) for i in range(_columns.count(',') + 1))
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async def insert(self) -> None:
q = f"INSERT INTO portal ({self._columns}) VALUES ({self._args})"
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await self.db.execute(q, *self._values)
async def delete(self) -> None:
q = "DELETE FROM portal WHERE ktid=$1 AND kt_receiver=$2"
await self.db.execute(q, self.ktid, self.kt_receiver)
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_nonkey_column_asgns = ", ".join(
map(lambda t: (i:=t[0], word:=t[1], f"{word}=${i + 3}")[-1],
enumerate(_columns.split(", ")[2:])
)
)
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async def save(self) -> None:
q = f"UPDATE portal SET {self._nonkey_column_asgns} WHERE ktid=$1 AND kt_receiver=$2"
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await self.db.execute(q, *self._values)