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# -*- coding: utf-8 -*-
# Copyright 2019 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from synapse.api.constants import RelationTypes
from synapse.storage._base import SQLBaseStore
logger = logging.getLogger(__name__)
class RelationsStore(SQLBaseStore):
def _handle_event_relations(self, txn, event):
"""Handles inserting relation data during peristence of events
Args:
txn
event (EventBase)
"""
relation = event.content.get("m.relates_to")
if not relation:
# No relations
return
rel_type = relation.get("rel_type")
if rel_type not in (
RelationTypes.ANNOTATION,
RelationTypes.REFERENCES,
RelationTypes.REPLACES,
):
# Unknown relation type
return
parent_id = relation.get("event_id")
if not parent_id:
# Invalid relation
return
aggregation_key = relation.get("key")
self._simple_insert_txn(
txn,
table="event_relations",
values={
"event_id": event.event_id,
"relates_to_id": parent_id,
"relation_type": rel_type,
"aggregation_key": aggregation_key,
},
)
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