update deletion process and tests

src/registrar/models/domain.py

@@ -254,7 +254,7 @@ class Domain(TimeStampedModel, DomainHelper):
         return not cls.available(domain)
 
     @Cache
-    def contacts(self) -> dict[str, str]:
+    def registry_contacts(self) -> dict[str, str]:
         """
         Get a dictionary of registry IDs for the contacts for this domain.
 
@@ -263,7 +263,10 @@ class Domain(TimeStampedModel, DomainHelper):
             { PublicContact.ContactTypeChoices.REGISTRANT: "jd1234",
               PublicContact.ContactTypeChoices.ADMINISTRATIVE: "sh8013",...}
         """
-        raise NotImplementedError()
+        if self._cache.get("contacts"):
+            return self._cache.get("contacts")
+        else:
+            return self._get_property("contacts")
 
     @Cache
     def creation_date(self) -> date:
@@ -1032,17 +1035,19 @@ class Domain(TimeStampedModel, DomainHelper):
             logger.error(f"registry error removing client hold: {err}")
             raise (err)
         
-    def _delete_contacts(self):
-        """Contacts associated with this domain will be deleted.
-        RegistryErrors will be logged and raised. Additional 
-        error handling should be provided by the caller.
+    def _delete_nonregistrant_contacts(self):
+        """Non-registrant contacts associated with this domain will be deleted.
+        RegistryErrors will be logged and raised. Error 
+        handling should be provided by the caller.
         """
         logger.info("Deleting contacts for %s", self.name)
-        contacts = self._cache.get("contacts")
+        contacts = self.registry_contacts
         logger.debug("Contacts to delete for %s inside _delete_contacts -> %s", self.name, contacts)
         if contacts:
-            for contact in contacts:
-                self._delete_contact(contact)
+            for contact, id in contacts.items():
+                # registrants have to be deleted after the domain
+                if contact != PublicContact.ContactTypeChoices.REGISTRANT:
+                    self._delete_contact(contact, id)
         
         
     def _delete_subdomains(self):
@@ -1067,6 +1072,13 @@ class Domain(TimeStampedModel, DomainHelper):
         request = commands.DeleteDomain(name=self.name)
         registry.send(request, cleaned=True)
 
+    def _delete_domain_registrant(self):
+        """This domain's registrant should be deleted from the registry
+        may raises RegistryError, should be caught or handled correctly by caller"""
+        registrantID = self.registrant_contact.registry_id
+        request = commands.DeleteContact(id=registrantID)
+        registry.send(request, cleaned=True)
+
     def __str__(self) -> str:
         return self.name
 
@@ -1475,8 +1487,9 @@ class Domain(TimeStampedModel, DomainHelper):
         try:
             logger.info("deletedInEpp()-> inside _delete_domain")
             self._delete_subdomains()
-            self._delete_contacts()
+            self._delete_nonregistrant_contacts()
             self._delete_domain()
+            self._delete_domain_registrant()
             self.deleted = timezone.now()
         except RegistryError as err:
             logger.error(f"Could not delete domain. Registry returned error: {err}")
@@ -1678,15 +1691,15 @@ class Domain(TimeStampedModel, DomainHelper):
 
                 raise e
     
-    def _delete_contact(self, contact: PublicContact):
+    def _delete_contact(self, contact_name: str, registry_id: str):
         """Try to delete a contact from the registry.
         
         raises:
             RegistryError: if the registry is unable to delete the contact
         """
-        logger.info("_delete_contact() -> Attempting to delete contact for %s from domain %s", contact.name, contact.domain)
+        logger.info("_delete_contact() -> Attempting to delete contact for %s from domain %s", contact_name, self.name)
         try:
-            req = commands.DeletContact(id=contact.registry_id)
+            req = commands.DeleteContact(id=registry_id)
             return registry.send(req, cleaned=True).res_data[0]
         except RegistryError as error:
             logger.error(

src/registrar/tests/common.py

@@ -1229,6 +1229,7 @@ class MockEppLib(TestCase):
             common.Status(state="serverTransferProhibited", description="", lang="en"),
             common.Status(state="inactive", description="", lang="en"),
         ],
+        registrant="regContact",
         ex_date=date(2023, 5, 25),
     )
 
@@ -1610,6 +1611,8 @@ class MockEppLib(TestCase):
                 return self.mockInfoContactCommands(_request, cleaned)
             case commands.CreateContact:
                 return self.mockCreateContactCommands(_request, cleaned)
+            case commands.DeleteContact:
+                return self.mockDeleteContactCommands(_request, cleaned)
             case commands.UpdateDomain:
                 return self.mockUpdateDomainCommands(_request, cleaned)
             case commands.CreateHost:
@@ -1731,6 +1734,7 @@ class MockEppLib(TestCase):
 
         # Define a dictionary to map request names to data and extension values
         request_mappings = {
+            "fake.gov": (self.mockDataInfoDomain, None),
             "security.gov": (self.infoDomainNoContact, None),
             "dnssec-dsdata.gov": (
                 self.mockDataInfoDomain,
@@ -1811,6 +1815,15 @@ class MockEppLib(TestCase):
             # mocks a contact error on creation
             raise ContactError(code=ContactErrorCodes.CONTACT_TYPE_NONE)
         return MagicMock(res_data=[self.mockDataInfoHosts])
+    
+    def mockDeleteContactCommands(self, _request, cleaned):
+        if getattr(_request, "id", None) == "fail":
+            raise RegistryError(code=ErrorCode.OBJECT_EXISTS)
+        else:
+            return MagicMock(
+                    res_data=[self.mockDataInfoContact],
+                    code=ErrorCode.COMMAND_COMPLETED_SUCCESSFULLY,
+                )
 
     def setUp(self):
         """mock epp send function as this will fail locally"""

src/registrar/tests/test_models_domain.py

@@ -2586,6 +2586,7 @@ class TestAnalystDelete(MockEppLib):
 
     def tearDown(self):
         Host.objects.all().delete()
+        PublicContact.objects.all().delete()
         Domain.objects.all().delete()
         super().tearDown()
 
@@ -2643,7 +2644,7 @@ class TestAnalystDelete(MockEppLib):
                     call(
                         commands.DeleteHost(name=common.HostObjSet(hosts=['ns1.sharedhost.com'])),
                         cleaned=True,
-                    )
+                    ),
                 ]
             )
             # Domain itself should not be deleted
@@ -2651,6 +2652,49 @@ class TestAnalystDelete(MockEppLib):
             # State should not have changed
             self.assertEqual(domain.state, Domain.State.ON_HOLD)
 
+    def test_deletion_with_host_and_contacts(self):
+        """
+        Scenario: Domain with related Host and Contacts is Deleted
+            When a contact and host exists that is tied to this domain
+            Then `commands.DeleteHost` is sent to the registry
+            Then `commands.DeleteContact` is sent to the registry
+            Then `commands.DeleteDomain` is sent to the registry
+            Then `commands.DeleteContact` is sent to the registry for the registrant contact
+            And `state` is set to `DELETED`
+        """
+        # with less_console_noise():
+            # Desired domain
+        domain, _ = Domain.objects.get_or_create(name="freeman.gov", state=Domain.State.ON_HOLD)
+        # Put the domain in client hold
+        domain.place_client_hold()
+        # Delete it
+        domain.deletedInEpp()
+        domain.save()
+
+        # Check that the host and contacts are deleted, order doesn't matter
+        self.mockedSendFunction.assert_has_calls(
+            [
+                call(commands.DeleteHost(name=common.HostObjSet(hosts=['fake.host.com'])), cleaned=True),
+                call(commands.DeleteContact(id="securityContact"), cleaned=True),
+                call(commands.DeleteContact(id="technicalContact"), cleaned=True),
+                call(commands.DeleteContact(id="adminContact"),cleaned=True,)
+            ],
+            any_order=True
+        )
+
+        # These calls need to be in order
+        self.mockedSendFunction.assert_has_calls(
+            [
+                call(commands.DeleteDomain(name="freeman.gov"), cleaned=True),
+                call(commands.InfoContact(id="regContact"), cleaned=True),
+                call(commands.DeleteContact(id="regContact"), cleaned=True),
+            ],
+        )
+        # Domain itself should not be deleted
+        self.assertNotEqual(domain, None)
+        # State should have changed
+        self.assertEqual(domain.state, Domain.State.DELETED)
+
     def test_deletion_ready_fsm_failure(self):
         """
         Scenario: Domain deletion is unsuccessful due to FSM rules