diff options
Diffstat (limited to 'synapse/handlers/room_list.py')
| -rw-r--r-- | synapse/handlers/room_list.py | 71 |
1 files changed, 50 insertions, 21 deletions
diff --git a/synapse/handlers/room_list.py b/synapse/handlers/room_list.py index e545777c51..94a5e7f51c 100644 --- a/synapse/handlers/room_list.py +++ b/synapse/handlers/room_list.py @@ -63,7 +63,7 @@ class RoomListHandler(BaseHandler): rooms_to_latest_event_ids = {} if next_batch: - current_stream_token = next_batch.sstream_ordering + current_stream_token = next_batch.stream_ordering else: current_stream_token = yield self.store.get_room_max_stream_ordering() @@ -100,17 +100,25 @@ class RoomListHandler(BaseHandler): sorted_rooms = [room_id for room_id, _ in sorted_entries] if next_batch: - sorted_rooms = sorted_rooms[next_batch.current_limit:] + if next_batch.direction_is_forward: + sorted_rooms = sorted_rooms[next_batch.current_limit:] + else: + sorted_rooms = sorted_rooms[:next_batch.current_limit] + sorted_rooms.reverse() new_limit = None if limit: if sorted_rooms[limit:]: new_limit = limit if next_batch: - new_limit += next_batch.current_limit + if next_batch.direction_is_forward: + new_limit += next_batch.current_limit + else: + new_limit = next_batch.current_limit - new_limit + new_limit = max(0, new_limit) sorted_rooms = sorted_rooms[:limit] - results = [] + chunk = [] @defer.inlineCallbacks def handle_room(room_id): @@ -190,31 +198,45 @@ class RoomListHandler(BaseHandler): if avatar_url: result["avatar_url"] = avatar_url - results.append(result) + chunk.append(result) yield concurrently_execute(handle_room, sorted_rooms, 10) - if new_limit: - end_token = RoomListNextBatch( - stream_ordering=current_stream_token, - current_limit=new_limit, - ).to_token() - else: - end_token = "END" + chunk.sort(key=lambda e: (-e["num_joined_members"], e["room_id"])) - if next_batch: - start_token = next_batch.to_token() + results = { + "chunk": chunk, + } + + if not next_batch or next_batch.direction_is_forward: + if new_limit: + results["next_batch"] = RoomListNextBatch( + stream_ordering=current_stream_token, + current_limit=new_limit, + direction_is_forward=True, + ).to_token() + + if next_batch: + results["prev_batch"] = next_batch.copy_and_replace( + direction_is_forward=False, + ).to_token() else: - start_token = "START" + if new_limit: + results["prev_batch"] = RoomListNextBatch( + stream_ordering=current_stream_token, + current_limit=new_limit, + direction_is_forward=False, + ).to_token() - defer.returnValue({ - "start": start_token, - "end": end_token, - "chunk": results, - }) + if next_batch: + results["next_batch"] = next_batch.copy_and_replace( + direction_is_forward=True, + ).to_token() + + defer.returnValue(results) @defer.inlineCallbacks - def get_remote_public_room_list(self, server_name): + def get_remote_public_room_list(self, server_name, limit=None, next_batch=None): res = yield self.hs.get_replication_layer().get_public_rooms( [server_name] ) @@ -227,11 +249,13 @@ class RoomListHandler(BaseHandler): class RoomListNextBatch(namedtuple("RoomListNextBatch", ( "stream_ordering", # stream_ordering of the first public room list "current_limit", # The number of previous rooms returned + "direction_is_forward", # Bool if this is a next_batch, false if prev_batch ))): KEY_DICT = { "stream_ordering": "s", "current_limit": "n", + "direction_is_forward": "d", } REVERSE_KEY_DICT = {v: k for k, v in KEY_DICT.items()} @@ -248,3 +272,8 @@ class RoomListNextBatch(namedtuple("RoomListNextBatch", ( self.KEY_DICT[key]: val for key, val in self._asdict().items() })) + + def copy_and_replace(self, **kwds): + return self._replace( + **kwds + ) |