Move action_required_by to Request model

atst/domain/requests.py

@@ -153,14 +153,6 @@ class Requests(object):
         request.status_events.append(status_event)
         return request
 
-    @classmethod
-    def action_required_by(cls, request):
-        return {
-            RequestStatus.STARTED: "mission_owner",
-            RequestStatus.PENDING_FINANCIAL_VERIFICATION: "mission_owner",
-            RequestStatus.PENDING_CCPO_APPROVAL: "ccpo",
-        }.get(request.status)
-
     @classmethod
     def should_auto_approve(cls, request):
         try:

atst/models/request.py

@@ -60,3 +60,11 @@ class Request(Base):
         if last_submission:
             return pendulum.instance(last_submission.time_created)
         return None
+
+    @property
+    def action_required_by(self):
+        return {
+            RequestStatus.STARTED: "mission_owner",
+            RequestStatus.PENDING_FINANCIAL_VERIFICATION: "mission_owner",
+            RequestStatus.PENDING_CCPO_APPROVAL: "ccpo",
+        }.get(self.status)