feat(api): Add author when creating incident activity [SEN-700] (#13440)

When using the endpoint to create an incident, we should attach an author to the created activity item.

Fixes SEN-700

Author: billyvg

src/sentry/api/endpoints/organization_incident_index.py

@@ -122,6 +122,7 @@ def post(self, request, organization):
                 date_detected=result.get('dateDetected', result['dateStarted']),
                 projects=result['projects'],
                 groups=groups,
+                user=request.user,
             )
             return Response(serialize(incident, request.user), status=201)
         return Response(serializer.errors, status=400)

src/sentry/incidents/logic.py

@@ -41,6 +41,7 @@ def create_incident(
     detection_uuid=None,
     projects=None,
     groups=None,
+    user=None,
 ):
     assert status in (IncidentStatus.CREATED, IncidentStatus.DETECTED)
     if date_detected is None:
@@ -81,6 +82,7 @@ def create_incident(
             incident,
             activity_status,
             event_stats_snapshot=event_stats_snapshot,
+            user=user,
         )
     return incident
 

tests/sentry/api/endpoints/test_organization_incident.py

@@ -5,7 +5,7 @@
 from freezegun import freeze_time
 
 from sentry.api.serializers import serialize
-from sentry.incidents.models import Incident, IncidentStatus
+from sentry.incidents.models import Incident, IncidentStatus, IncidentActivity
 from sentry.testutils import APITestCase
 
 
@@ -98,6 +98,10 @@ def test_simple(self):
             )
         assert resp.data == serialize([Incident.objects.get(id=resp.data['id'])])[0]
 
+        # should create an activity authored by user
+        activity = IncidentActivity.objects.get(incident_id=resp.data['id'])
+        assert activity.user == self.user
+
     def test_project_access(self):
         self.create_member(
             user=self.user,