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authorErik Johnston <erik@matrix.org>2017-02-02 15:25:00 +0000
committerErik Johnston <erik@matrix.org>2017-02-02 15:25:00 +0000
commit1232ae41cf1ee4e66025b0db3460e339ef3b9971 (patch)
tree2ea75c354e37e3b5fbc537641239bd066be9c993 /synapse
parentMerge branch 'develop' of github.com:matrix-org/synapse into erikj/device_lis... (diff)
downloadsynapse-1232ae41cf1ee4e66025b0db3460e339ef3b9971.tar.xz
Use new get_users_who_share_room_with_user
Diffstat (limited to '')
-rw-r--r--synapse/handlers/device.py24
1 files changed, 13 insertions, 11 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index 6c1b945ff3..158206aef6 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -198,20 +198,22 @@ class DeviceHandler(BaseHandler):
         """Notify that a user's device(s) has changed. Pokes the notifier, and
         remote servers if the user is local.
         """
-        rooms = yield self.store.get_rooms_for_user(user_id)
-        room_ids = [r.room_id for r in rooms]
+        users_who_share_room = yield self.store.get_users_who_share_room_with_user(
+            user_id
+        )
 
         hosts = set()
         if self.hs.is_mine_id(user_id):
-            for room_id in room_ids:
-                users = yield self.store.get_users_in_room(room_id)
-                hosts.update(get_domain_from_id(u) for u in users)
+            hosts.update(get_domain_from_id(u) for u in users_who_share_room)
             hosts.discard(self.server_name)
 
         position = yield self.store.add_device_change_to_streams(
             user_id, device_ids, list(hosts)
         )
 
+        rooms = yield self.store.get_rooms_for_user(user_id)
+        room_ids = [r.room_id for r in rooms]
+
         yield self.notifier.on_new_event(
             "device_list_key", position, rooms=room_ids,
         )
@@ -266,13 +268,13 @@ class DeviceHandler(BaseHandler):
                     if not prev_event_id or prev_event_id != event_id:
                         possibly_changed.add(state_key)
 
-        user_ids_changed = set()
-        for other_user_id in possibly_changed:
-            other_rooms = yield self.store.get_rooms_for_user(other_user_id)
-            if room_ids.intersection(e.room_id for e in other_rooms):
-                user_ids_changed.add(other_user_id)
+        users_who_share_room = yield self.store.get_users_who_share_room_with_user(
+            user_id
+        )
 
-        defer.returnValue(user_ids_changed)
+        # Take the intersection of the users whose devices may have changed
+        # and those that actually still share a room with the user
+        defer.returnValue(users_who_share_room & possibly_changed)
 
     @defer.inlineCallbacks
     def _incoming_device_list_update(self, origin, edu_content):