Move storage functions for push calculations

This will allow push actions for an event to be calculated on workers.

synapse/storage/push_rule.py

@@ -15,6 +15,10 @@
 # limitations under the License.
 
 from ._base import SQLBaseStore
+from synapse.storage.appservice import ApplicationServiceWorkerStore
+from synapse.storage.pusher import PusherWorkerStore
+from synapse.storage.receipts import ReceiptsWorkerStore
+from synapse.storage.roommember import RoomMemberWorkerStore
 from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList
 from synapse.util.caches.stream_change_cache import StreamChangeCache
 from synapse.push.baserules import list_with_base_rules
@@ -51,7 +55,11 @@ def _load_rules(rawrules, enabled_map):
     return rules
 
 
-class PushRulesWorkerStore(SQLBaseStore):
+class PushRulesWorkerStore(ApplicationServiceWorkerStore,
+                           ReceiptsWorkerStore,
+                           PusherWorkerStore,
+                           RoomMemberWorkerStore,
+                           SQLBaseStore):
     """This is an abstract base class where subclasses must implement
     `get_max_push_rules_stream_id` which can be called in the initializer.
     """
@@ -140,8 +148,6 @@ class PushRulesWorkerStore(SQLBaseStore):
                 "have_push_rules_changed", have_push_rules_changed_txn
             )
 
-
-class PushRuleStore(PushRulesWorkerStore):
     @cachedList(cached_method_name="get_push_rules_for_user",
                 list_name="user_ids", num_args=1, inlineCallbacks=True)
     def bulk_get_push_rules(self, user_ids):
@@ -281,6 +287,8 @@ class PushRuleStore(PushRulesWorkerStore):
             results.setdefault(row['user_name'], {})[row['rule_id']] = enabled
         defer.returnValue(results)
 
+
+class PushRuleStore(PushRulesWorkerStore):
     @defer.inlineCallbacks
     def add_push_rule(
         self, user_id, rule_id, priority_class, conditions, actions,