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# Copyright (c) 2022 Tulir Asokan
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import logging
from mautrix.util.async_db import Connection, Scheme, UpgradeTable
upgrade_table = UpgradeTable(
version_table_name="mx_version",
database_name="matrix state cache",
log=logging.getLogger("mau.client.db.upgrade"),
)
@upgrade_table.register(description="Latest revision", upgrades_to=3)
async def upgrade_blank_to_v3(conn: Connection, scheme: Scheme) -> None:
await conn.execute(
"""CREATE TABLE mx_room_state (
room_id TEXT PRIMARY KEY,
is_encrypted BOOLEAN,
has_full_member_list BOOLEAN,
encryption TEXT,
power_levels TEXT
)"""
)
membership_check = ""
if scheme != Scheme.SQLITE:
await conn.execute(
"CREATE TYPE membership AS ENUM ('join', 'leave', 'invite', 'ban', 'knock')"
)
else:
membership_check = "CHECK (membership IN ('join', 'leave', 'invite', 'ban', 'knock'))"
await conn.execute(
f"""CREATE TABLE mx_user_profile (
room_id TEXT,
user_id TEXT,
membership membership NOT NULL {membership_check},
displayname TEXT,
avatar_url TEXT,
PRIMARY KEY (room_id, user_id)
)"""
)
@upgrade_table.register(description="Stop using size-limited string fields")
async def upgrade_v2(conn: Connection, scheme: Scheme) -> None:
if scheme == Scheme.SQLITE:
# SQLite doesn't care about types
return
await conn.execute("ALTER TABLE mx_room_state ALTER COLUMN room_id TYPE TEXT")
await conn.execute("ALTER TABLE mx_user_profile ALTER COLUMN room_id TYPE TEXT")
await conn.execute("ALTER TABLE mx_user_profile ALTER COLUMN user_id TYPE TEXT")
await conn.execute("ALTER TABLE mx_user_profile ALTER COLUMN displayname TYPE TEXT")
await conn.execute("ALTER TABLE mx_user_profile ALTER COLUMN avatar_url TYPE TEXT")
@upgrade_table.register(description="Mark rooms that need crypto state event resynced")
async def upgrade_v3(conn: Connection) -> None:
if await conn.table_exists("portal"):
await conn.execute(
"""
INSERT INTO mx_room_state (room_id, encryption)
SELECT portal.mxid, '{"resync":true}' FROM portal
WHERE portal.encrypted=true AND portal.mxid IS NOT NULL
ON CONFLICT (room_id) DO UPDATE
SET encryption=excluded.encryption
WHERE mx_room_state.encryption IS NULL
"""
)
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