mirror of
https://mau.dev/maunium/synapse.git
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108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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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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import logging
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import simplejson as json
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from twisted.internet import defer
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from synapse.types import UserID
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import baserules
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from push_rule_evaluator import PushRuleEvaluator
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logger = logging.getLogger(__name__)
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def decode_rule_json(rule):
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rule['conditions'] = json.loads(rule['conditions'])
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rule['actions'] = json.loads(rule['actions'])
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return rule
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@defer.inlineCallbacks
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def evaluator_for_room_id(room_id, store):
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users = yield store.get_users_in_room(room_id)
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rules_by_user = yield store.bulk_get_push_rules(users)
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rules_by_user = {
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uid: baserules.list_with_base_rules(
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[decode_rule_json(rule_list) for rule_list in rules_by_user[uid]]
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if uid in rules_by_user else [],
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UserID.from_string(uid)
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)
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for uid in users
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}
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member_events = yield store.get_current_state(
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room_id=room_id,
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event_type='m.room.member',
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)
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display_names = {}
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for ev in member_events:
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if ev.content.get("displayname"):
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display_names[ev.state_key] = ev.content.get("displayname")
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defer.returnValue(BulkPushRuleEvaluator(
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room_id, rules_by_user, display_names, users
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))
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class BulkPushRuleEvaluator:
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"""
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Runs push rules for all users in a room.
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This is faster than running PushRuleEvaluator for each user because it
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fetches all the rules for all the users in one (batched) db query
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rarher than doing multiple queries per-user. It currently uses
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the same logic to run the actual rules, but could be optimised further
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(see https://matrix.org/jira/browse/SYN-562)
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"""
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def __init__(self, room_id, rules_by_user, display_names, users_in_room):
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self.room_id = room_id
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self.rules_by_user = rules_by_user
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self.display_names = display_names
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self.users_in_room = users_in_room
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def action_for_event_by_user(self, event):
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actions_by_user = {}
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for uid, rules in self.rules_by_user.items():
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display_name = None
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if uid in self.display_names:
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display_name = self.display_names[uid]
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for rule in rules:
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if 'enabled' in rule and not rule['enabled']:
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continue
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# XXX: profile tags
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if BulkPushRuleEvaluator.event_matches_rule(
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event, rule,
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display_name, len(self.users_in_room), None
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):
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actions = [x for x in rule['actions'] if x != 'dont_notify']
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if len(actions) > 0:
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actions_by_user[uid] = actions
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break
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return actions_by_user
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@staticmethod
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def event_matches_rule(event, rule,
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display_name, room_member_count, profile_tag):
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matches = True
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for cond in rule['conditions']:
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matches &= PushRuleEvaluator._event_fulfills_condition(
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event, cond, display_name, room_member_count, profile_tag
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)
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return matches
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