74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# maubot - A plugin-based Matrix bot system.
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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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import logging
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from attr import dataclass
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from mautrix.client import SyncStore
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from mautrix.types import FilterID, SyncToken, UserID
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from mautrix.util.async_db import Connection, Database, UpgradeTable
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upgrade_table = UpgradeTable(
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version_table_name="standalone_version", log=logging.getLogger("maubot.db")
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)
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@upgrade_table.register(description="Initial revision")
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async def upgrade_v1(conn: Connection) -> None:
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await conn.execute(
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"""CREATE TABLE IF NOT EXISTS standalone_next_batch (
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user_id TEXT NOT NULL,
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next_batch TEXT,
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filter_id TEXT,
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PRIMARY KEY (user_id)
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)"""
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)
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find_q = "SELECT next_batch, filter_id FROM standalone_next_batch WHERE user_id=$1"
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insert_q = "INSERT INTO standalone_next_batch (user_id, next_batch, filter_id) VALUES ($1, $2, $3)"
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update_nb_q = "UPDATE standalone_next_batch SET next_batch=$1 WHERE user_id=$2"
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update_filter_q = "UPDATE standalone_next_batch SET filter_id=$1 WHERE user_id=$2"
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@dataclass
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class NextBatch(SyncStore):
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db: Database
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user_id: UserID
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next_batch: SyncToken = ""
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filter_id: FilterID = ""
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async def load(self) -> NextBatch:
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row = await self.db.fetchrow(find_q, self.user_id)
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if row is not None:
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self.next_batch = row["next_batch"]
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self.filter_id = row["filter_id"]
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else:
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await self.db.execute(insert_q, self.user_id, self.next_batch, self.filter_id)
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return self
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async def put_filter_id(self, filter_id: FilterID) -> None:
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self.filter_id = filter_id
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await self.db.execute(update_filter_q, self.filter_id, self.user_id)
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async def put_next_batch(self, next_batch: SyncToken) -> None:
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self.next_batch = next_batch
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await self.db.execute(update_nb_q, self.next_batch, self.user_id)
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async def get_next_batch(self) -> SyncToken:
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return self.next_batch
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