fix: refs #7906 remake method

@@ -61,2 +61,4 @@
+            if (ticketList.length > 0)
+                throw new UserError('There are tickets for this area, delete them first');
 
             for (ticket of ticketList) {

@@ -52,22 +53,10 @@ module.exports = Self => {
             const promises = [];

@@ -68,4 +60,1 @@
-                    }, myOptions));
-                }
-            }
             await Promise.all(promises);

@@ -8,7 +8,7 @@ describe('zone deletezone()', () => {
         __: value => value
     };

@@ -57,0 +52,4 @@
+            const options = {transaction: tx};
+            await models.Zone.deleteZone(ctx, zoneId2, options);
+
+            expect(e.message).toEqual('There are tickets for this area, delete them first');