<s> import logging <EOL> import ujson as json <EOL> from twisted . internet import defer <EOL> from . baserules import list_with_base_rules <EOL> from . push_rule_evaluator import PushRuleEvaluatorForEvent <EOL> from synapse . api . constants import EventTypes <EOL> logger = logging . getLogger ( __name__ ) <EOL> def decode_rule_json ( rule ) : <EOL> rule [ '<STR_LIT>' ] = json . loads ( rule [ '<STR_LIT>' ] ) <EOL> rule [ '<STR_LIT>' ] = json . loads ( rule [ '<STR_LIT>' ] ) <EOL> return rule <EOL> @ defer . inlineCallbacks <EOL> def _get_rules ( room_id , user_ids , store ) : <EOL> rules_by_user = yield store . bulk_get_push_rules ( user_ids ) <EOL> rules_enabled_by_user = yield store . bulk_get_push_rules_enabled ( user_ids ) <EOL> rules_by_user = { <EOL> uid : list_with_base_rules ( [ <EOL> decode_rule_json ( rule_list ) <EOL> for rule_list in rules_by_user . get ( uid , [ ] ) <EOL> ] ) <EOL> for uid in user_ids <EOL> } <EOL> for uid in user_ids : <EOL> if uid not in rules_enabled_by_user : <EOL> continue <EOL> user_enabled_map = rules_enabled_by_user [ uid ] <EOL> for i , rule in enumerate ( rules_by_user [ uid ] ) : <EOL> rule_id = rule [ '<STR_LIT>' ] <EOL> if rule_id in user_enabled_map : <EOL> if rule . get ( '<STR_LIT>' , True ) != bool ( user_enabled_map [ rule_id ] ) : <EOL> rule = dict ( rule ) <EOL> rule [ '<STR_LIT>' ] = bool ( user_enabled_map [ rule_id ] ) <EOL> rules_by_user [ uid ] [ i ] = rule <EOL> defer . returnValue ( rules_by_user ) <EOL> @ defer . inlineCallbacks <EOL> def evaluator_for_room_id ( room_id , hs , store ) : <EOL> results = yield store . get_receipts_for_room ( room_id , "<STR_LIT>" ) <EOL> user_ids = [ <EOL> row [ "<STR_LIT>" ] for row in results <EOL> if hs . is_mine_id ( row [ "<STR_LIT>" ] ) <EOL> ] <EOL> rules_by_user = yield _get_rules ( room_id , user_ids , store ) <EOL> defer . returnValue ( BulkPushRuleEvaluator ( <EOL> room_id , rules_by_user , user_ids , store <EOL> ) ) <EOL> class BulkPushRuleEvaluator : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , room_id , rules_by_user , users_in_room , store ) : <EOL> self . room_id = room_id <EOL> self . rules_by_user = rules_by_user <EOL> self . users_in_room = users_in_room <EOL> self . store = store <EOL> @ defer . inlineCallbacks <EOL> def action_for_event_by_user ( self , event , handler , current_state ) : <EOL> actions_by_user = { } <EOL> users_dict = yield self . store . are_guests ( self . rules_by_user . keys ( ) ) <EOL> filtered_by_user = yield handler . filter_events_for_clients ( <EOL> users_dict . items ( ) , [ event ] , { event . event_id : current_state } <EOL> ) <EOL> room_members = yield self . store . get_users_in_room ( self . room_id ) <EOL> evaluator = PushRuleEvaluatorForEvent ( event , len ( room_members ) ) <EOL> condition_cache = { } <EOL> display_names = { } <EOL> for ev in current_state . values ( ) : <EOL> nm = ev . content . get ( "<STR_LIT>" , None ) <EOL> if nm and ev . type == EventTypes . Member : <EOL> display_names [ ev . state_key ] = nm <EOL> for uid , rules in self . rules_by_user . items ( ) : <EOL> display_name = display_names . get ( uid , None ) <EOL> filtered = filtered_by_user [ uid ] <EOL> if len ( filtered ) == <NUM_LIT:0> : <EOL> continue <EOL> if filtered [ <NUM_LIT:0> ] . sender == uid : <EOL> continue <EOL> for rule in rules : <EOL> if '<STR_LIT>' in rule and not rule [ '<STR_LIT>' ] : <EOL> continue <EOL> matches = _condition_checker ( <EOL> evaluator , rule [ '<STR_LIT>' ] , uid , display_name , condition_cache <EOL> ) <EOL> if matches : <EOL> actions = [ x for x in rule [ '<STR_LIT>' ] if x != '<STR_LIT>' ] <EOL> if actions and '<STR_LIT>' in actions : <EOL> actions_by_user [ uid ] = actions <EOL> break <EOL> defer . returnValue ( actions_by_user ) <EOL> def _condition_checker ( evaluator , conditions , uid , display_name , cache ) : <EOL> for cond in conditions : <EOL> _id = cond . get ( "<STR_LIT>" , None ) <EOL> if _id : <EOL> res = cache . get ( _id , None ) <EOL> if res is False : <EOL> return False <EOL> elif res is True : <EOL> continue <EOL> res = evaluator . matches ( cond , uid , display_name ) <EOL> if _id : <EOL> cache [ _id ] = bool ( res ) <EOL> if not res : <EOL> return False <EOL> return True </s>
