diff options
Diffstat (limited to 'synapse/rest/client/relations.py')
| -rw-r--r-- | synapse/rest/client/relations.py | 61 |
1 files changed, 43 insertions, 18 deletions
diff --git a/synapse/rest/client/relations.py b/synapse/rest/client/relations.py index 8cf5ebaa07..2cab83c4e6 100644 --- a/synapse/rest/client/relations.py +++ b/synapse/rest/client/relations.py @@ -32,14 +32,45 @@ from synapse.storage.relations import ( PaginationChunk, RelationPaginationToken, ) -from synapse.types import JsonDict +from synapse.types import JsonDict, RoomStreamToken, StreamToken if TYPE_CHECKING: from synapse.server import HomeServer + from synapse.storage.databases.main import DataStore logger = logging.getLogger(__name__) +async def _parse_token( + store: "DataStore", token: Optional[str] +) -> Optional[StreamToken]: + """ + For backwards compatibility support RelationPaginationToken, but new pagination + tokens are generated as full StreamTokens, to be compatible with /sync and /messages. + """ + if not token: + return None + # Luckily the format for StreamToken and RelationPaginationToken differ enough + # that they can easily be separated. An "_" appears in the serialization of + # RoomStreamToken (as part of StreamToken), but RelationPaginationToken uses + # "-" only for separators. + if "_" in token: + return await StreamToken.from_string(store, token) + else: + relation_token = RelationPaginationToken.from_string(token) + return StreamToken( + room_key=RoomStreamToken(relation_token.topological, relation_token.stream), + presence_key=0, + typing_key=0, + receipt_key=0, + account_data_key=0, + push_rules_key=0, + to_device_key=0, + device_list_key=0, + groups_key=0, + ) + + class RelationPaginationServlet(RestServlet): """API to paginate relations on an event by topological ordering, optionally filtered by relation type and event type. @@ -80,6 +111,9 @@ class RelationPaginationServlet(RestServlet): raise SynapseError(404, "Unknown parent event.") limit = parse_integer(request, "limit", default=5) + direction = parse_string( + request, "org.matrix.msc3715.dir", default="b", allowed_values=["f", "b"] + ) from_token_str = parse_string(request, "from") to_token_str = parse_string(request, "to") @@ -88,13 +122,8 @@ class RelationPaginationServlet(RestServlet): pagination_chunk = PaginationChunk(chunk=[]) else: # Return the relations - from_token = None - if from_token_str: - from_token = RelationPaginationToken.from_string(from_token_str) - - to_token = None - if to_token_str: - to_token = RelationPaginationToken.from_string(to_token_str) + from_token = await _parse_token(self.store, from_token_str) + to_token = await _parse_token(self.store, to_token_str) pagination_chunk = await self.store.get_relations_for_event( event_id=parent_id, @@ -102,6 +131,7 @@ class RelationPaginationServlet(RestServlet): relation_type=relation_type, event_type=event_type, limit=limit, + direction=direction, from_token=from_token, to_token=to_token, ) @@ -125,7 +155,7 @@ class RelationPaginationServlet(RestServlet): events, now, bundle_aggregations=aggregations ) - return_value = pagination_chunk.to_dict() + return_value = await pagination_chunk.to_dict(self.store) return_value["chunk"] = serialized_events return_value["original_event"] = original_event @@ -216,7 +246,7 @@ class RelationAggregationPaginationServlet(RestServlet): to_token=to_token, ) - return 200, pagination_chunk.to_dict() + return 200, await pagination_chunk.to_dict(self.store) class RelationAggregationGroupPaginationServlet(RestServlet): @@ -287,13 +317,8 @@ class RelationAggregationGroupPaginationServlet(RestServlet): from_token_str = parse_string(request, "from") to_token_str = parse_string(request, "to") - from_token = None - if from_token_str: - from_token = RelationPaginationToken.from_string(from_token_str) - - to_token = None - if to_token_str: - to_token = RelationPaginationToken.from_string(to_token_str) + from_token = await _parse_token(self.store, from_token_str) + to_token = await _parse_token(self.store, to_token_str) result = await self.store.get_relations_for_event( event_id=parent_id, @@ -313,7 +338,7 @@ class RelationAggregationGroupPaginationServlet(RestServlet): now = self.clock.time_msec() serialized_events = self._event_serializer.serialize_events(events, now) - return_value = result.to_dict() + return_value = await result.to_dict(self.store) return_value["chunk"] = serialized_events return 200, return_value |