diff --git a/synapse/events/utils.py b/synapse/events/utils.py
index a5454556cc..e2d4384de1 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -21,7 +21,7 @@ from frozendict import frozendict
from twisted.internet import defer
-from synapse.api.constants import EventTypes
+from synapse.api.constants import EventTypes, RelationTypes
from synapse.util.async_helpers import yieldable_gather_results
from . import EventBase
@@ -324,21 +324,70 @@ class EventClientSerializer(object):
"""
def __init__(self, hs):
- pass
+ self.store = hs.get_datastore()
+ self.experimental_msc1849_support_enabled = (
+ hs.config.experimental_msc1849_support_enabled
+ )
- def serialize_event(self, event, time_now, **kwargs):
+ @defer.inlineCallbacks
+ def serialize_event(self, event, time_now, bundle_aggregations=True, **kwargs):
"""Serializes a single event.
Args:
event (EventBase)
time_now (int): The current time in milliseconds
+ bundle_aggregations (bool): Whether to bundle in related events
**kwargs: Arguments to pass to `serialize_event`
Returns:
Deferred[dict]: The serialized event
"""
- event = serialize_event(event, time_now, **kwargs)
- return defer.succeed(event)
+ # To handle the case of presence events and the like
+ if not isinstance(event, EventBase):
+ defer.returnValue(event)
+
+ event_id = event.event_id
+ serialized_event = serialize_event(event, time_now, **kwargs)
+
+ # If MSC1849 is enabled then we need to look if thre are any relations
+ # we need to bundle in with the event
+ if self.experimental_msc1849_support_enabled and bundle_aggregations:
+ annotations = yield self.store.get_aggregation_groups_for_event(
+ event_id,
+ )
+ references = yield self.store.get_relations_for_event(
+ event_id, RelationTypes.REFERENCE, direction="f",
+ )
+
+ if annotations.chunk:
+ r = serialized_event["unsigned"].setdefault("m.relations", {})
+ r[RelationTypes.ANNOTATION] = annotations.to_dict()
+
+ if references.chunk:
+ r = serialized_event["unsigned"].setdefault("m.relations", {})
+ r[RelationTypes.REFERENCE] = references.to_dict()
+
+ edit = None
+ if event.type == EventTypes.Message:
+ edit = yield self.store.get_applicable_edit(event_id)
+
+ if edit:
+ # If there is an edit replace the content, preserving existing
+ # relations.
+
+ relations = event.content.get("m.relates_to")
+ serialized_event["content"] = edit.content.get("m.new_content", {})
+ if relations:
+ serialized_event["content"]["m.relates_to"] = relations
+ else:
+ serialized_event["content"].pop("m.relates_to", None)
+
+ r = serialized_event["unsigned"].setdefault("m.relations", {})
+ r[RelationTypes.REPLACE] = {
+ "event_id": edit.event_id,
+ }
+
+ defer.returnValue(serialized_event)
def serialize_events(self, events, time_now, **kwargs):
"""Serializes multiple events.
|
