Move storage functions for push calculations

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

synapse/storage/event_push_actions.py

@@ -380,6 +380,69 @@ class EventPushActionsWorkerStore(SQLBaseStore):
         # Now return the first `limit`
         defer.returnValue(notifs[:limit])
 
+    def add_push_actions_to_staging(self, event_id, user_id_actions):
+        """Add the push actions for the event to the push action staging area.
+
+        Args:
+            event_id (str)
+            user_id_actions (dict[str, list[dict|str])]): A dictionary mapping
+                user_id to list of push actions, where an action can either be
+                a string or dict.
+
+        Returns:
+            Deferred
+        """
+
+        if not user_id_actions:
+            return
+
+        # This is a helper function for generating the necessary tuple that
+        # can be used to inert into the `event_push_actions_staging` table.
+        def _gen_entry(user_id, actions):
+            is_highlight = 1 if _action_has_highlight(actions) else 0
+            return (
+                event_id,  # event_id column
+                user_id,  # user_id column
+                _serialize_action(actions, is_highlight),  # actions column
+                1,  # notif column
+                is_highlight,  # highlight column
+            )
+
+        def _add_push_actions_to_staging_txn(txn):
+            # We don't use _simple_insert_many here to avoid the overhead
+            # of generating lists of dicts.
+
+            sql = """
+                INSERT INTO event_push_actions_staging
+                    (event_id, user_id, actions, notif, highlight)
+                VALUES (?, ?, ?, ?, ?)
+            """
+
+            txn.executemany(sql, (
+                _gen_entry(user_id, actions)
+                for user_id, actions in user_id_actions.iteritems()
+            ))
+
+        return self.runInteraction(
+            "add_push_actions_to_staging", _add_push_actions_to_staging_txn
+        )
+
+    def remove_push_actions_from_staging(self, event_id):
+        """Called if we failed to persist the event to ensure that stale push
+        actions don't build up in the DB
+
+        Args:
+            event_id (str)
+        """
+
+        return self._simple_delete(
+            table="event_push_actions_staging",
+            keyvalues={
+                "event_id": event_id,
+            },
+            desc="remove_push_actions_from_staging",
+        )
+
 
 class EventPushActionsStore(EventPushActionsWorkerStore):
     EPA_HIGHLIGHT_INDEX = "epa_highlight_index"
@@ -775,69 +838,6 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
             (rotate_to_stream_ordering,)
         )
 
-    def add_push_actions_to_staging(self, event_id, user_id_actions):
-        """Add the push actions for the event to the push action staging area.
-
-        Args:
-            event_id (str)
-            user_id_actions (dict[str, list[dict|str])]): A dictionary mapping
-                user_id to list of push actions, where an action can either be
-                a string or dict.
-
-        Returns:
-            Deferred
-        """
-
-        if not user_id_actions:
-            return
-
-        # This is a helper function for generating the necessary tuple that
-        # can be used to inert into the `event_push_actions_staging` table.
-        def _gen_entry(user_id, actions):
-            is_highlight = 1 if _action_has_highlight(actions) else 0
-            return (
-                event_id,  # event_id column
-                user_id,  # user_id column
-                _serialize_action(actions, is_highlight),  # actions column
-                1,  # notif column
-                is_highlight,  # highlight column
-            )
-
-        def _add_push_actions_to_staging_txn(txn):
-            # We don't use _simple_insert_many here to avoid the overhead
-            # of generating lists of dicts.
-
-            sql = """
-                INSERT INTO event_push_actions_staging
-                    (event_id, user_id, actions, notif, highlight)
-                VALUES (?, ?, ?, ?, ?)
-            """
-
-            txn.executemany(sql, (
-                _gen_entry(user_id, actions)
-                for user_id, actions in user_id_actions.iteritems()
-            ))
-
-        return self.runInteraction(
-            "add_push_actions_to_staging", _add_push_actions_to_staging_txn
-        )
-
-    def remove_push_actions_from_staging(self, event_id):
-        """Called if we failed to persist the event to ensure that stale push
-        actions don't build up in the DB
-
-        Args:
-            event_id (str)
-        """
-
-        return self._simple_delete(
-            table="event_push_actions_staging",
-            keyvalues={
-                "event_id": event_id,
-            },
-            desc="remove_push_actions_from_staging",
-        )
-
 
 def _action_has_highlight(actions):
     for action in actions: