121 lines
4.1 KiB
Python
121 lines
4.1 KiB
Python
# mautrix-instagram - A Matrix-Instagram puppeting bridge.
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# Copyright (C) 2022 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 attr import dataclass
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import attr
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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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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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item_id: str
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client_context: str | None
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receiver: int
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sender: int
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ig_timestamp: int | None
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_columns = "mxid, mx_room, item_id, client_context, receiver, sender, ig_timestamp"
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_insert_query = f"INSERT INTO message ({_columns}) VALUES ($1, $2, $3, $4, $5, $6, $7)"
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@property
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def ig_timestamp_ms(self) -> int:
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return (self.ig_timestamp // 1000) if self.ig_timestamp else 0
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async def insert(self) -> None:
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await self.db.execute(
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self._insert_query,
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self.mxid,
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self.mx_room,
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self.item_id,
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self.client_context,
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self.receiver,
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self.sender,
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self.ig_timestamp,
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)
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@classmethod
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async def bulk_insert(cls, messages: list[Message]) -> None:
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columns = cls._columns.split(", ")
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records = [attr.astuple(message) for message in messages]
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async with cls.db.acquire() as conn, conn.transaction():
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if cls.db.scheme == Scheme.POSTGRES:
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await conn.copy_records_to_table("message", records=records, columns=columns)
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else:
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await conn.executemany(cls._insert_query, records)
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async def delete(self) -> None:
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q = "DELETE FROM message WHERE item_id=$1 AND receiver=$2"
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await self.db.execute(q, self.item_id, self.receiver)
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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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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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if not row:
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return None
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return cls(**row)
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@classmethod
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async def get_last(cls, mx_room: RoomID) -> Message | None:
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q = f"""
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SELECT {cls._columns} FROM message
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WHERE mx_room=$1 AND ig_timestamp IS NOT NULL AND item_id NOT LIKE 'fi.mau.instagram.%'
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ORDER BY ig_timestamp DESC LIMIT 1
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"""
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row = await cls.db.fetchrow(q, mx_room)
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if not row:
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return None
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return cls(**row)
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@classmethod
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async def get_closest(cls, mx_room: RoomID, before_ts: int) -> Message | None:
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q = f"""
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SELECT {cls._columns} FROM message
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WHERE mx_room=$1 AND ig_timestamp<=$2 AND item_id NOT LIKE 'fi.mau.instagram.%'
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ORDER BY ig_timestamp DESC LIMIT 1
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"""
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row = await cls.db.fetchrow(q, mx_room, before_ts)
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if not row:
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return None
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return cls(**row)
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@classmethod
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async def get_by_item_id(cls, item_id: str, receiver: int) -> Message | None:
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q = f"SELECT {cls._columns} FROM message WHERE item_id=$1 AND receiver=$2"
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row = await cls.db.fetchrow(q, item_id, receiver)
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if not row:
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return None
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return cls(**row)
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@property
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def is_internal(self) -> bool:
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return self.item_id.startswith("fi.mau.instagram.")
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