diff --git a/synapse/events/utils.py b/synapse/events/utils.py
index 6fa631aa1d..e5967c995e 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -1,4 +1,5 @@
# Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -392,15 +393,16 @@ class EventClientSerializer:
self,
event: Union[JsonDict, EventBase],
time_now: int,
- bundle_aggregations: bool = True,
+ bundle_relations: bool = True,
**kwargs: Any,
) -> JsonDict:
"""Serializes a single event.
Args:
- event
+ event: The event being serialized.
time_now: The current time in milliseconds
- bundle_aggregations: Whether to bundle in related events
+ bundle_relations: Whether to include the bundled relations for this
+ event.
**kwargs: Arguments to pass to `serialize_event`
Returns:
@@ -410,77 +412,93 @@ class EventClientSerializer:
if not isinstance(event, EventBase):
return event
- event_id = event.event_id
serialized_event = serialize_event(event, time_now, **kwargs)
# If MSC1849 is enabled then we need to look if there are any relations
# we need to bundle in with the event.
# Do not bundle relations if the event has been redacted
if not event.internal_metadata.is_redacted() and (
- self._msc1849_enabled and bundle_aggregations
+ self._msc1849_enabled and bundle_relations
):
- annotations = await self.store.get_aggregation_groups_for_event(event_id)
- references = await 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 = await self.store.get_applicable_edit(event_id)
-
- if edit:
- # If there is an edit replace the content, preserving existing
- # relations.
-
- # Ensure we take copies of the edit content, otherwise we risk modifying
- # the original event.
- edit_content = edit.content.copy()
-
- # Unfreeze the event content if necessary, so that we may modify it below
- edit_content = unfreeze(edit_content)
- serialized_event["content"] = edit_content.get("m.new_content", {})
-
- # Check for existing relations
- relations = event.content.get("m.relates_to")
- if relations:
- # Keep the relations, ensuring we use a dict copy of the original
- serialized_event["content"]["m.relates_to"] = relations.copy()
- else:
- serialized_event["content"].pop("m.relates_to", None)
-
- r = serialized_event["unsigned"].setdefault("m.relations", {})
- r[RelationTypes.REPLACE] = {
- "event_id": edit.event_id,
- "origin_server_ts": edit.origin_server_ts,
- "sender": edit.sender,
- }
-
- # If this event is the start of a thread, include a summary of the replies.
- if self._msc3440_enabled:
- (
- thread_count,
- latest_thread_event,
- ) = await self.store.get_thread_summary(event_id)
- if latest_thread_event:
- r = serialized_event["unsigned"].setdefault("m.relations", {})
- r[RelationTypes.THREAD] = {
- # Don't bundle aggregations as this could recurse forever.
- "latest_event": await self.serialize_event(
- latest_thread_event, time_now, bundle_aggregations=False
- ),
- "count": thread_count,
- }
+ await self._injected_bundled_relations(event, time_now, serialized_event)
return serialized_event
+ async def _injected_bundled_relations(
+ self, event: EventBase, time_now: int, serialized_event: JsonDict
+ ) -> None:
+ """Potentially injects bundled relations into the unsigned portion of the serialized event.
+
+ Args:
+ event: The event being serialized.
+ time_now: The current time in milliseconds
+ serialized_event: The serialized event which may be modified.
+
+ """
+ event_id = event.event_id
+
+ # The bundled relations to include.
+ relations = {}
+
+ annotations = await self.store.get_aggregation_groups_for_event(event_id)
+ if annotations.chunk:
+ relations[RelationTypes.ANNOTATION] = annotations.to_dict()
+
+ references = await self.store.get_relations_for_event(
+ event_id, RelationTypes.REFERENCE, direction="f"
+ )
+ if references.chunk:
+ relations[RelationTypes.REFERENCE] = references.to_dict()
+
+ edit = None
+ if event.type == EventTypes.Message:
+ edit = await self.store.get_applicable_edit(event_id)
+
+ if edit:
+ # If there is an edit replace the content, preserving existing
+ # relations.
+
+ # Ensure we take copies of the edit content, otherwise we risk modifying
+ # the original event.
+ edit_content = edit.content.copy()
+
+ # Unfreeze the event content if necessary, so that we may modify it below
+ edit_content = unfreeze(edit_content)
+ serialized_event["content"] = edit_content.get("m.new_content", {})
+
+ # Check for existing relations
+ relates_to = event.content.get("m.relates_to")
+ if relates_to:
+ # Keep the relations, ensuring we use a dict copy of the original
+ serialized_event["content"]["m.relates_to"] = relates_to.copy()
+ else:
+ serialized_event["content"].pop("m.relates_to", None)
+
+ relations[RelationTypes.REPLACE] = {
+ "event_id": edit.event_id,
+ "origin_server_ts": edit.origin_server_ts,
+ "sender": edit.sender,
+ }
+
+ # If this event is the start of a thread, include a summary of the replies.
+ if self._msc3440_enabled:
+ (
+ thread_count,
+ latest_thread_event,
+ ) = await self.store.get_thread_summary(event_id)
+ if latest_thread_event:
+ relations[RelationTypes.THREAD] = {
+ # Don't bundle relations as this could recurse forever.
+ "latest_event": await self.serialize_event(
+ latest_thread_event, time_now, bundle_relations=False
+ ),
+ "count": thread_count,
+ }
+
+ # If any bundled relations were found, include them.
+ if relations:
+ serialized_event["unsigned"].setdefault("m.relations", {}).update(relations)
+
async def serialize_events(
self, events: Iterable[Union[JsonDict, EventBase]], time_now: int, **kwargs: Any
) -> List[JsonDict]:
|
