src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetEntity.java

@@ -142,7 +142,7 @@ public class HsHostingAssetEntity implements Stringifyable, RbacObject {
         return rbacViewFor("asset", HsHostingAssetEntity.class)
                 .withIdentityView(SQL.projection("identifier"))
                 .withRestrictedViewOrderBy(SQL.expression("identifier"))
-                .withUpdatableColumns("version", "caption", "config", "assignedToAssetUuid", "alarmContactUUid")
+                .withUpdatableColumns("version", "caption", "config", "assignedToAssetUuid", "alarmContactUuid")
                 .toRole(GLOBAL, ADMIN).grantPermission(INSERT) // TODO.impl: Why is this necessary to insert test data?
 
                 .importEntityAlias("bookingItem", HsBookingItemEntity.class, usingDefaultCase(),

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetEntityPatcher.java

@@ -8,7 +8,6 @@ import net.hostsharing.hsadminng.mapper.OptionalFromJson;
 
 import jakarta.persistence.EntityManager;
 import java.util.Optional;
-import java.util.UUID;
 
 public class HsHostingAssetEntityPatcher implements EntityPatcher<HsHostingAssetPatchResource> {
 
@@ -26,15 +25,11 @@ public class HsHostingAssetEntityPatcher implements EntityPatcher<HsHostingAsset
                 .ifPresent(entity::setCaption);
         Optional.ofNullable(resource.getConfig())
                 .ifPresent(r -> entity.getConfig().patch(KeyValueMap.from(resource.getConfig())));
-        OptionalFromJson.of(resource.getAlarmContactUuid()).ifPresent(newValue -> {
-            verifyNotNull(newValue, "alarmContact");
-            entity.setAlarmContact(em.getReference(HsOfficeContactEntity.class, newValue));
-        });
-    }
-
-    private void verifyNotNull(final UUID newValue, final String propertyName) {
-        if (newValue == null) {
-            throw new IllegalArgumentException("property '" + propertyName + "' must not be null");
-        }
+        OptionalFromJson.of(resource.getAlarmContactUuid())
+                // HOWTO: patch nullable JSON resource uuid to an ntity reference
+                .ifPresent(newValue -> entity.setAlarmContact(
+                            Optional.ofNullable(newValue)
+                                .map(uuid -> em.getReference(HsOfficeContactEntity.class, newValue))
+                                .orElse(null)));
     }
 }

src/main/resources/db/changelog/7-hs-hosting/701-hosting-asset/7013-hs-hosting-asset-rbac.sql

@@ -120,7 +120,8 @@ create or replace procedure updateRbacRulesForHsHostingAsset(
     language plpgsql as $$
 begin
 
-    if NEW.assignedToAssetUuid is distinct from OLD.assignedToAssetUuid then
+    if NEW.assignedToAssetUuid is distinct from OLD.assignedToAssetUuid
+    or NEW.alarmContactUuid is distinct from OLD.alarmContactUuid then
         delete from rbacgrants g where g.grantedbytriggerof = OLD.uuid;
         call buildRbacSystemForHsHostingAsset(NEW);
     end if;
@@ -277,7 +278,7 @@ call generateRbacRestrictedView('hs_hosting_asset',
         caption = new.caption,
         config = new.config,
         assignedToAssetUuid = new.assignedToAssetUuid,
-        alarmContactUUid = new.alarmContactUUid
+        alarmContactUuid = new.alarmContactUuid
     $updates$);
 --//
 

src/test/java/net/hostsharing/hsadminng/arch/ArchitectureTest.java

@@ -58,7 +58,6 @@ public class ArchitectureTest {
                     "..hs.booking.project",
                     "..hs.booking.item",
                     "..hs.booking.item.validators",
-                    "..hs.hosting.contact",
                     "..hs.hosting.asset",
                     "..hs.hosting.asset.validators",
                     "..errors",
@@ -197,7 +196,9 @@ public class ArchitectureTest {
                     "..hs.office.partner..",
                     "..hs.office.debitor..",
                     "..hs.office.membership..",
-                    "..hs.office.migration..");
+                    "..hs.office.migration..",
+                    "..hs.hosting.asset.."
+                    );
 
     @ArchTest
     @SuppressWarnings("unused")

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetEntityPatcherUnitTest.java

@@ -108,7 +108,6 @@ class HsHostingAssetEntityPatcherUnitTest extends PatchUnitTestBase<
                         PATCHED_CONTACT_UUID,
                         HsHostingAssetEntity::setAlarmContact,
                         newContact(PATCHED_CONTACT_UUID))
-                        .notNullable()
         );
     }