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75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 matrix.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from ._base import SQLBaseStore
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from .message import MessagesTable
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from .feedback import FeedbackTable
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from .roomdata import RoomDataTable
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from .roommember import RoomMemberTable
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from synapse.api.constants import Membership
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import json
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import logging
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logger = logging.getLogger(__name__)
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MAX_STREAM_SIZE = 1000
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class StreamStore(SQLBaseStore):
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@defer.inlineCallbacks
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def get_room_events_stream(self, user_id, from_key, to_key, room_id,
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limit=0, with_feedback=False):
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current_room_membership_sql = (
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"SELECT m.room_id FROM room_memberships as m "
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"INNER JOIN current_state as c ON m.event_id = c.event_id "
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"WHERE m.user_id = ?"
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)
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invites_sql = (
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"SELECT m.event_id FROM room_membershipas as m "
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"INNER JOIN current_state as c ON m.event_id = c.event_id "
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"WHERE m.user_id = ? AND m.membership = ?"
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)
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if limit:
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limit = max(limit, MAX_STREAM_SIZE)
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else:
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limit = 1000
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sql = (
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"SELECT * FROM events as e WHERE "
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"(room_id IN (%(current)s)) OR "
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"(event_id IN (%(invites)s)) "
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"ORDER BY ordering ASC LIMIT %(limit)d"
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) % {
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"current": current_room_membership_sql,
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"invites": invites_sql,
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"limit": limit,
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}
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rows = yield self._execute_and_decode(
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sql,
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user_id, user_id, Membership.INVITE
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)
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defer.returnValue([self._parse_event_from_row(r) for r in results])
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