diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index b025ebc926..881d6d0126 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -1325,6 +1325,9 @@ class EventsStore(
txn, event.room_id, event.redacts
)
+ # Remove from relations table.
+ self._handle_redaction(txn, event.redacts)
+
# Update the event_forward_extremities, event_backward_extremities and
# event_edges tables.
self._handle_mult_prev_events(
diff --git a/synapse/storage/relations.py b/synapse/storage/relations.py
index 6e216066ab..63e6185ee3 100644
--- a/synapse/storage/relations.py
+++ b/synapse/storage/relations.py
@@ -415,3 +415,20 @@ class RelationsStore(RelationsWorkerStore):
if rel_type == RelationTypes.REPLACES:
txn.call_after(self.get_applicable_edit.invalidate, (parent_id,))
+
+ def _handle_redaction(self, txn, redacted_event_id):
+ """Handles receiving a redaction and checking whether we need to remove
+ any redacted relations from the database.
+
+ Args:
+ txn
+ redacted_event_id (str): The event that was redacted.
+ """
+
+ self._simple_delete_txn(
+ txn,
+ table="event_relations",
+ keyvalues={
+ "event_id": redacted_event_id,
+ }
+ )
diff --git a/tests/rest/client/v2_alpha/test_relations.py b/tests/rest/client/v2_alpha/test_relations.py
index cd965167f8..3737cdc396 100644
--- a/tests/rest/client/v2_alpha/test_relations.py
+++ b/tests/rest/client/v2_alpha/test_relations.py
@@ -320,6 +320,43 @@ class RelationsTestCase(unittest.HomeserverTestCase):
},
)
+ def test_aggregation_redactions(self):
+ """Test that annotations get correctly aggregated after a redactions.
+ """
+
+ channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")
+ self.assertEquals(200, channel.code, channel.json_body)
+ to_redact_event_id = channel.json_body["event_id"]
+
+ channel = self._send_relation(
+ RelationTypes.ANNOTATION, "m.reaction", "a", access_token=self.user2_token
+ )
+ self.assertEquals(200, channel.code, channel.json_body)
+
+ # Now lets redact the 'a' reaction
+ request, channel = self.make_request(
+ "POST",
+ "/_matrix/client/r0/rooms/%s/redact/%s" % (self.room, to_redact_event_id),
+ access_token=self.user_token,
+ content={},
+ )
+ self.render(request)
+ self.assertEquals(200, channel.code, channel.json_body)
+
+ request, channel = self.make_request(
+ "GET",
+ "/_matrix/client/unstable/rooms/%s/aggregations/%s"
+ % (self.room, self.parent_id),
+ access_token=self.user_token,
+ )
+ self.render(request)
+ self.assertEquals(200, channel.code, channel.json_body)
+
+ self.assertEquals(
+ channel.json_body,
+ {"chunk": [{"type": "m.reaction", "key": "a", "count": 1}]},
+ )
+
def test_aggregation_must_be_annotation(self):
"""Test that aggregations must be annotations.
"""
|