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Include bundled aggregations in /sync and related fixes (#11478)

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Due to updates to MSC2675 this includes a few fixes:

* Include bundled aggregations for /sync.
* Do not include bundled aggregations for /initialSync and /events.
* Do not bundle aggregations for state events.
* Clarifies comments and variable names.
This commit is contained in:
Patrick Cloke 2021-12-06 10:51:15 -05:00 • committed by GitHub
parent a77c369897
commit 494ebd7347
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10 changed files with 169 additions and 101 deletions
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58
synapse/events/utils.py
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@ -306,6 +306,7 @@ def format_event_for_client_v2_without_room_id(d: JsonDict) -> JsonDict:
def serialize_event(
e: Union[JsonDict, EventBase],
time_now_ms: int,
*,
as_client_event: bool = True,
event_format: Callable[[JsonDict], JsonDict] = format_event_for_client_v1,
token_id: Optional[str] = None,
@ -393,7 +394,8 @@ class EventClientSerializer:
self,
event: Union[JsonDict, EventBase],
time_now: int,
bundle_relations: bool = True,
*,
bundle_aggregations: bool = True,
**kwargs: Any,
) -> JsonDict:
"""Serializes a single event.
@ -401,8 +403,9 @@ class EventClientSerializer:
Args:
event: The event being serialized.
time_now: The current time in milliseconds
bundle_relations: Whether to include the bundled relations for this
event.
bundle_aggregations: Whether to include the bundled aggregations for this
event. Only applies to non-state events. (State events never include
bundled aggregations.)
**kwargs: Arguments to pass to `serialize_event`
Returns:
@ -414,20 +417,27 @@ class EventClientSerializer:
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_relations
# Check if there are any bundled aggregations to include with the event.
#
# Do not bundle aggregations if any of the following at true:
#
# * Support is disabled via the configuration or the caller.
# * The event is a state event.
# * The event has been redacted.
if (
self._msc1849_enabled
and bundle_aggregations
and not event.is_state()
and not event.internal_metadata.is_redacted()
):
await self._injected_bundled_relations(event, time_now, serialized_event)
await self._injected_bundled_aggregations(event, time_now, serialized_event)
return serialized_event
async def _injected_bundled_relations(
async def _injected_bundled_aggregations(
self, event: EventBase, time_now: int, serialized_event: JsonDict
) -> None:
"""Potentially injects bundled relations into the unsigned portion of the serialized event.
"""Potentially injects bundled aggregations into the unsigned portion of the serialized event.
Args:
event: The event being serialized.
@ -435,7 +445,7 @@ class EventClientSerializer:
serialized_event: The serialized event which may be modified.
"""
# Do not bundle relations for an event which represents an edit or an
# Do not bundle aggregations for an event which represents an edit or an
# annotation. It does not make sense for them to have related events.
relates_to = event.content.get("m.relates_to")
if isinstance(relates_to, (dict, frozendict)):
@ -445,18 +455,18 @@ class EventClientSerializer:
event_id = event.event_id
# The bundled relations to include.
relations = {}
# The bundled aggregations to include.
aggregations = {}
annotations = await self.store.get_aggregation_groups_for_event(event_id)
if annotations.chunk:
relations[RelationTypes.ANNOTATION] = annotations.to_dict()
aggregations[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()
aggregations[RelationTypes.REFERENCE] = references.to_dict()
edit = None
if event.type == EventTypes.Message:
@ -482,7 +492,7 @@ class EventClientSerializer:
else:
serialized_event["content"].pop("m.relates_to", None)
relations[RelationTypes.REPLACE] = {
aggregations[RelationTypes.REPLACE] = {
"event_id": edit.event_id,
"origin_server_ts": edit.origin_server_ts,
"sender": edit.sender,
@ -495,17 +505,19 @@ class EventClientSerializer:
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.
aggregations[RelationTypes.THREAD] = {
# Don't bundle aggregations as this could recurse forever.
"latest_event": await self.serialize_event(
latest_thread_event, time_now, bundle_relations=False
latest_thread_event, time_now, bundle_aggregations=False
),
"count": thread_count,
}
# If any bundled relations were found, include them.
if relations:
serialized_event["unsigned"].setdefault("m.relations", {}).update(relations)
# If any bundled aggregations were found, include them.
if aggregations:
serialized_event["unsigned"].setdefault("m.relations", {}).update(
aggregations
)
async def serialize_events(
self, events: Iterable[Union[JsonDict, EventBase]], time_now: int, **kwargs: Any