diff options
Diffstat (limited to 'synapse/storage/databases')
| -rw-r--r-- | synapse/storage/databases/main/events.py | 7 | ||||
| -rw-r--r-- | synapse/storage/databases/main/relations.py | 66 |
2 files changed, 62 insertions, 11 deletions
diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py index 2be36a741a..7278002322 100644 --- a/synapse/storage/databases/main/events.py +++ b/synapse/storage/databases/main/events.py @@ -1793,6 +1793,13 @@ class PersistEventsStore: txn.call_after( self.store.get_thread_summary.invalidate, (parent_id, event.room_id) ) + # It should be safe to only invalidate the cache if the user has not + # previously participated in the thread, but that's difficult (and + # potentially error-prone) so it is always invalidated. + txn.call_after( + self.store.get_thread_participated.invalidate, + (parent_id, event.room_id, event.sender), + ) def _handle_insertion_event(self, txn: LoggingTransaction, event: EventBase): """Handles keeping track of insertion events and edges/connections. diff --git a/synapse/storage/databases/main/relations.py b/synapse/storage/databases/main/relations.py index c6c4bd18da..2cb5d06c13 100644 --- a/synapse/storage/databases/main/relations.py +++ b/synapse/storage/databases/main/relations.py @@ -384,8 +384,7 @@ class RelationsWorkerStore(SQLBaseStore): async def get_thread_summary( self, event_id: str, room_id: str ) -> Tuple[int, Optional[EventBase]]: - """Get the number of threaded replies, the senders of those replies, and - the latest reply (if any) for the given event. + """Get the number of threaded replies and the latest reply (if any) for the given event. Args: event_id: Summarize the thread related to this event ID. @@ -398,7 +397,7 @@ class RelationsWorkerStore(SQLBaseStore): def _get_thread_summary_txn( txn: LoggingTransaction, ) -> Tuple[int, Optional[str]]: - # Fetch the count of threaded events and the latest event ID. + # Fetch the latest event ID in the thread. # TODO Should this only allow m.room.message events. sql = """ SELECT event_id @@ -419,6 +418,7 @@ class RelationsWorkerStore(SQLBaseStore): latest_event_id = row[0] + # Fetch the number of threaded replies. sql = """ SELECT COUNT(event_id) FROM event_relations @@ -443,6 +443,44 @@ class RelationsWorkerStore(SQLBaseStore): return count, latest_event + @cached() + async def get_thread_participated( + self, event_id: str, room_id: str, user_id: str + ) -> bool: + """Get whether the requesting user participated in a thread. + + This is separate from get_thread_summary since that can be cached across + all users while this value is specific to the requeser. + + Args: + event_id: The thread related to this event ID. + room_id: The room the event belongs to. + user_id: The user requesting the summary. + + Returns: + True if the requesting user participated in the thread, otherwise false. + """ + + def _get_thread_summary_txn(txn: LoggingTransaction) -> bool: + # Fetch whether the requester has participated or not. + sql = """ + SELECT 1 + FROM event_relations + INNER JOIN events USING (event_id) + WHERE + relates_to_id = ? + AND room_id = ? + AND relation_type = ? + AND sender = ? + """ + + txn.execute(sql, (event_id, room_id, RelationTypes.THREAD, user_id)) + return bool(txn.fetchone()) + + return await self.db_pool.runInteraction( + "get_thread_summary", _get_thread_summary_txn + ) + async def events_have_relations( self, parent_ids: List[str], @@ -546,7 +584,7 @@ class RelationsWorkerStore(SQLBaseStore): ) async def _get_bundled_aggregation_for_event( - self, event: EventBase + self, event: EventBase, user_id: str ) -> Optional[Dict[str, Any]]: """Generate bundled aggregations for an event. @@ -554,6 +592,7 @@ class RelationsWorkerStore(SQLBaseStore): Args: event: The event to calculate bundled aggregations for. + user_id: The user requesting the bundled aggregations. Returns: The bundled aggregations for an event, if bundled aggregations are @@ -598,27 +637,32 @@ class RelationsWorkerStore(SQLBaseStore): # 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.get_thread_summary(event_id, room_id) + thread_count, latest_thread_event = await self.get_thread_summary( + event_id, room_id + ) + participated = await self.get_thread_participated( + event_id, room_id, user_id + ) if latest_thread_event: aggregations[RelationTypes.THREAD] = { - # Don't bundle aggregations as this could recurse forever. "latest_event": latest_thread_event, "count": thread_count, + "current_user_participated": participated, } # Store the bundled aggregations in the event metadata for later use. return aggregations async def get_bundled_aggregations( - self, events: Iterable[EventBase] + self, + events: Iterable[EventBase], + user_id: str, ) -> Dict[str, Dict[str, Any]]: """Generate bundled aggregations for events. Args: events: The iterable of events to calculate bundled aggregations for. + user_id: The user requesting the bundled aggregations. Returns: A map of event ID to the bundled aggregation for the event. Not all @@ -631,7 +675,7 @@ class RelationsWorkerStore(SQLBaseStore): # TODO Parallelize. results = {} for event in events: - event_result = await self._get_bundled_aggregation_for_event(event) + event_result = await self._get_bundled_aggregation_for_event(event, user_id) if event_result is not None: results[event.event_id] = event_result |