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-rw-r--r--synapse/push/action_generator.py2
-rw-r--r--synapse/push/bulk_push_rule_evaluator.py41
-rw-r--r--synapse/storage/push_rule.py56
3 files changed, 65 insertions, 34 deletions
diff --git a/synapse/push/action_generator.py b/synapse/push/action_generator.py
index b2c94bfaac..ed2ccc4dfb 100644
--- a/synapse/push/action_generator.py
+++ b/synapse/push/action_generator.py
@@ -40,7 +40,7 @@ class ActionGenerator:
     def handle_push_actions_for_event(self, event, context):
         with Measure(self.clock, "evaluator_for_event"):
             bulk_evaluator = yield evaluator_for_event(
-                event, self.hs, self.store, context.current_state
+                event, self.hs, self.store, context.state_group, context.current_state
             )
 
         with Measure(self.clock, "action_for_event_by_user"):
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index 756e5da513..004eded61f 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -36,35 +36,11 @@ def _get_rules(room_id, user_ids, store):
 
 
 @defer.inlineCallbacks
-def evaluator_for_event(event, hs, store, current_state):
-    room_id = event.room_id
-    # We also will want to generate notifs for other people in the room so
-    # their unread countss are correct in the event stream, but to avoid
-    # generating them for bot / AS users etc, we only do so for people who've
-    # sent a read receipt into the room.
-
-    local_users_in_room = set(
-        e.state_key for e in current_state.values()
-        if e.type == EventTypes.Member and e.membership == Membership.JOIN
-        and hs.is_mine_id(e.state_key)
+def evaluator_for_event(event, hs, store, state_group, current_state):
+    rules_by_user = yield store.bulk_get_push_rules_for_room(
+        event.room_id, state_group, current_state
     )
 
-    # users in the room who have pushers need to get push rules run because
-    # that's how their pushers work
-    if_users_with_pushers = yield store.get_if_users_have_pushers(
-        local_users_in_room
-    )
-    user_ids = set(
-        uid for uid, have_pusher in if_users_with_pushers.items() if have_pusher
-    )
-
-    users_with_receipts = yield store.get_users_with_read_receipts_in_room(room_id)
-
-    # any users with pushers must be ours: they have pushers
-    for uid in users_with_receipts:
-        if uid in local_users_in_room:
-            user_ids.add(uid)
-
     # if this event is an invite event, we may need to run rules for the user
     # who's been invited, otherwise they won't get told they've been invited
     if event.type == 'm.room.member' and event.content['membership'] == 'invite':
@@ -72,12 +48,12 @@ def evaluator_for_event(event, hs, store, current_state):
         if invited_user and hs.is_mine_id(invited_user):
             has_pusher = yield store.user_has_pusher(invited_user)
             if has_pusher:
-                user_ids.add(invited_user)
-
-    rules_by_user = yield _get_rules(room_id, user_ids, store)
+                rules_by_user[invited_user] = yield store.get_push_rules_for_user(
+                    invited_user
+                )
 
     defer.returnValue(BulkPushRuleEvaluator(
-        room_id, rules_by_user, user_ids, store
+        event.room_id, rules_by_user, store
     ))
 
 
@@ -90,10 +66,9 @@ class BulkPushRuleEvaluator:
     the same logic to run the actual rules, but could be optimised further
     (see https://matrix.org/jira/browse/SYN-562)
     """
-    def __init__(self, room_id, rules_by_user, users_in_room, store):
+    def __init__(self, room_id, rules_by_user, store):
         self.room_id = room_id
         self.rules_by_user = rules_by_user
-        self.users_in_room = users_in_room
         self.store = store
 
     @defer.inlineCallbacks
diff --git a/synapse/storage/push_rule.py b/synapse/storage/push_rule.py
index 86e4a3a81d..ca929bc239 100644
--- a/synapse/storage/push_rule.py
+++ b/synapse/storage/push_rule.py
@@ -16,6 +16,7 @@
 from ._base import SQLBaseStore
 from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList
 from synapse.push.baserules import list_with_base_rules
+from synapse.api.constants import EventTypes, Membership
 from twisted.internet import defer
 
 import logging
@@ -123,6 +124,61 @@ class PushRuleStore(SQLBaseStore):
 
         defer.returnValue(results)
 
+    def bulk_get_push_rules_for_room(self, room_id, state_group, current_state):
+        if not state_group:
+            # If state_group is None it means it has yet to be assigned a
+            # state group, i.e. we need to make sure that calls with a state_group
+            # of None don't hit previous cached calls with a None state_group.
+            # To do this we set the state_group to a new object as object() != object()
+            state_group = object()
+
+        return self._bulk_get_push_rules_for_room(room_id, state_group, current_state)
+
+    @cachedInlineCallbacks(num_args=2)
+    def _bulk_get_push_rules_for_room(self, room_id, state_group, current_state,
+                                      cache_context):
+        # We don't use `state_group`, its there so that we can cache based
+        # on it. However, its important that its never None, since two current_state's
+        # with a state_group of None are likely to be different.
+        # See bulk_get_push_rules_for_room for how we work around this.
+        assert state_group is not None
+
+        # We also will want to generate notifs for other people in the room so
+        # their unread countss are correct in the event stream, but to avoid
+        # generating them for bot / AS users etc, we only do so for people who've
+        # sent a read receipt into the room.
+        local_users_in_room = set(
+            e.state_key for e in current_state.values()
+            if e.type == EventTypes.Member and e.membership == Membership.JOIN
+            and self.hs.is_mine_id(e.state_key)
+        )
+
+        # users in the room who have pushers need to get push rules run because
+        # that's how their pushers work
+        if_users_with_pushers = yield self.get_if_users_have_pushers(
+            local_users_in_room, cache_context=cache_context,
+        )
+        user_ids = set(
+            uid for uid, have_pusher in if_users_with_pushers.items() if have_pusher
+        )
+
+        users_with_receipts = yield self.get_users_with_read_receipts_in_room(
+            room_id, cache_context=cache_context,
+        )
+
+        # any users with pushers must be ours: they have pushers
+        for uid in users_with_receipts:
+            if uid in local_users_in_room:
+                user_ids.add(uid)
+
+        rules_by_user = yield self.bulk_get_push_rules(
+            user_ids, cache_context=cache_context
+        )
+
+        rules_by_user = {k: v for k, v in rules_by_user.items() if v is not None}
+
+        defer.returnValue(rules_by_user)
+
     @cachedList(cached_method_name="get_push_rules_enabled_for_user",
                 list_name="user_ids", num_args=1, inlineCallbacks=True)
     def bulk_get_push_rules_enabled(self, user_ids):