fix(case): close escalated case when associated incident is closed

src/dispatch/incident/flows.py

@@ -4,7 +4,9 @@
 
 from sqlalchemy.orm import Session
 
+from dispatch.case import flows as case_flows
 from dispatch.case import service as case_service
+from dispatch.case.enums import CaseResolutionReason, CaseStatus
 from dispatch.case.models import Case
 from dispatch.conference import flows as conference_flows
 from dispatch.conversation import flows as conversation_flows
@@ -544,6 +546,15 @@ def incident_closed_status_flow(incident: Incident, db_session=None):
                         document=document, db_session=db_session
                     )
 
+    # if there are any associated cases, we close them as well
+    for case in incident.cases:
+        case.resolution = (
+            f"Closed as part of incident {incident.name}. See incident for more details."
+        )
+        case.resolution_reason = CaseResolutionReason.escalated
+        case.status = CaseStatus.closed
+        case_flows.case_closed_status_flow(case=case, db_session=db_session)
+
     # we send a direct message to the incident commander asking to review
     # the incident's information and to tag the incident if appropriate
     send_incident_closed_information_review_reminder(incident, db_session)