expiration date written to db on fetch_cache

src/registrar/models/domain.py

@@ -214,9 +214,7 @@ class Domain(TimeStampedModel, DomainHelper):
         """Get or set the `ex_date` element from the registry.
         Additionally, update the expiration date in the registrar"""
         try:
-            self.expiration_date = self._get_property("ex_date")
-            self.save()
-            return self.expiration_date
+            return self._get_property("ex_date")
         except Exception as e:
             # exception raised during the save to registrar
             logger.error(f"error updating expiration date in registrar: {e}")
@@ -1602,6 +1600,12 @@ class Domain(TimeStampedModel, DomainHelper):
                 if old_cache_contacts is not None:
                     cleaned["contacts"] = old_cache_contacts
 
+            # if expiration date from registry does not match what is in db,
+            # update the db
+            if "ex_date" in cleaned and cleaned["ex_date"] != self.expiration_date:
+                self.expiration_date = cleaned["ex_date"]
+                self.save()
+
             self._cache = cleaned
 
         except RegistryError as e:

src/registrar/tests/common.py

@@ -617,6 +617,7 @@ class MockEppLib(TestCase):
             common.Status(state="serverTransferProhibited", description="", lang="en"),
             common.Status(state="inactive", description="", lang="en"),
         ],
+        ex_date=datetime.date(2023, 5, 25),
     )
     mockDataInfoContact = mockDataInfoDomain.dummyInfoContactResultData(
         "123", "123@mail.gov", datetime.datetime(2023, 5, 25, 19, 45, 35), "lastPw"

src/registrar/tests/test_models_domain.py

@@ -1987,6 +1987,13 @@ class TestExpirationDate(MockEppLib):
         with self.assertRaises(RegistryError):
             self.domain_w_error.renew_domain()
 
+    def test_expiration_date_updated_on_info_domain_call(self):
+        """assert that expiration date in db is updated on info domain call"""
+        # force fetch_cache to be called
+        self.domain.statuses
+        test_date = datetime.date(2023, 5, 25)
+        self.assertEquals(self.domain.expiration_date, test_date)
+
 
 class TestAnalystClientHold(MockEppLib):
     """Rule: Analysts may suspend or restore a domain by using client hold"""