server/AyaNova/biz/UnitBiz.cs

@@ -268,9 +268,16 @@ namespace AyaNova.Biz
 
         }
 
-        private void ValidateCanDelete(Unit inObj)
+        private async Task ValidateCanDelete(Unit inObj)
         {
             //whatever needs to be check to delete this object
+
+            //Can't delete a unit if it's a shadow unit for a loanunit
+            if (await ct.LoanUnit.AnyAsync(z => z.UnitId == inObj.Id))
+            {
+                AddError(ApiErrorCode.VALIDATION_REFERENTIAL_INTEGRITY, "generalerror", "LT:LoanUnit");
+            }
+
         }
 
 
@@ -528,10 +535,10 @@ namespace AyaNova.Biz
                 //MIGRATE_OUTSTANDING need meter reading object to complete unit notification for UnitMeterReadingMultipleExceeded
                 //UnitMeterReadingMultipleExceeded = 26,//* UnitMeterReading object, Created, conditional on DecValue as the Multiple threshold, if passed then notifies
                 //{
-                    //first remove any existing, potentially stale notifyevents for this exact object and notifyeventtype
-                    //await NotifyEventHelper.ClearPriorEventsForObject(ct, AyaType.Unit, o.Id, NotifyEventType.UnitMeterReadingMultipleExceeded);
+                //first remove any existing, potentially stale notifyevents for this exact object and notifyeventtype
+                //await NotifyEventHelper.ClearPriorEventsForObject(ct, AyaType.Unit, o.Id, NotifyEventType.UnitMeterReadingMultipleExceeded);
 
-                    //then check if unit is still metered etc etc and do the rest once the unit meter reading is coded
+                //then check if unit is still metered etc etc and do the rest once the unit meter reading is coded