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75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
# rss - A maubot plugin to subscribe to RSS/Atom feeds.
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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 mautrix.util.async_db import Connection, Scheme, UpgradeTable
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upgrade_table = UpgradeTable()
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@upgrade_table.register(description="Latest revision", upgrades_to=3)
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async def upgrade_latest(conn: Connection, scheme: Scheme) -> None:
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gen = "GENERATED ALWAYS AS IDENTITY" if scheme != Scheme.SQLITE else ""
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await conn.execute(
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f"""CREATE TABLE IF NOT EXISTS feed (
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id INTEGER {gen},
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url TEXT NOT NULL,
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title TEXT NOT NULL,
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subtitle TEXT NOT NULL,
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link TEXT NOT NULL,
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next_retry BIGINT DEFAULT 0,
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error_count BIGINT DEFAULT 0,
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PRIMARY KEY (id),
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UNIQUE (url)
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)"""
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)
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await conn.execute(
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"""CREATE TABLE IF NOT EXISTS subscription (
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feed_id INTEGER,
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room_id TEXT,
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user_id TEXT NOT NULL,
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notification_template TEXT,
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send_notice BOOLEAN DEFAULT true,
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PRIMARY KEY (feed_id, room_id),
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FOREIGN KEY (feed_id) REFERENCES feed (id)
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)"""
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)
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await conn.execute(
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"""CREATE TABLE entry (
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feed_id INTEGER,
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id TEXT,
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date timestamp NOT NULL,
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title TEXT NOT NULL,
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summary TEXT NOT NULL,
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link TEXT NOT NULL,
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PRIMARY KEY (feed_id, id),
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FOREIGN KEY (feed_id) REFERENCES feed (id)
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);"""
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)
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@upgrade_table.register(description="Add send_notice field to subscriptions")
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async def upgrade_v2(conn: Connection) -> None:
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await conn.execute("ALTER TABLE subscription ADD COLUMN send_notice BOOLEAN DEFAULT true")
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@upgrade_table.register(description="Add error counts to feeds")
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async def upgrade_v3(conn: Connection) -> None:
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await conn.execute("ALTER TABLE feed ADD COLUMN next_retry BIGINT DEFAULT 0")
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await conn.execute("ALTER TABLE feed ADD COLUMN error_count BIGINT DEFAULT 0")
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