fix: Restore ticket clause for saving event (#5105)

app/mixins/event-wizard.js

@@ -1,6 +1,6 @@
 import Mixin from '@ember/object/mixin';
 import MutableArray from '@ember/array/mutable';
-import RSVP from 'rsvp';
+import RSVP, { allSettled } from 'rsvp';
 import { v1 } from 'ember-uuid';
 import CustomFormMixin from 'open-event-frontend/mixins/custom-form';
 
@@ -70,9 +70,10 @@ export default Mixin.create(MutableArray, CustomFormMixin, {
         data[key] = result.value;
       }
     }
-    const numberOfTickets = data.tickets ? data.tickets.length : 0;
+    const numberOfTickets = data.tickets?.length || 0;
 
-    if (event.name && event.startsAtDate && event.endsAtDate) {
+    if (event.name && event.startsAtDate && event.endsAtDate && (event.state === 'draft' || (numberOfTickets > 0 && event.deletedTickets?.length !== numberOfTickets))) {
+      await destroyDeletedTickets(event.deletedTickets);
       await event.save();
 
       await Promise.all((data.tickets ? data.tickets.toArray() : []).map(ticket => {
@@ -133,8 +134,8 @@ export default Mixin.create(MutableArray, CustomFormMixin, {
       if (event.startsAtDate === undefined || event.endsAtDate === undefined) {
         errorObject.errors.push({ 'detail': 'Dates have not been provided' });
       }
-      if (numberOfTickets === 0) {
-        errorObject.errors.push({ 'detail': 'Tickets are required for publishing event' });
+      if (numberOfTickets === 0 || event.deletedTickets?.length === numberOfTickets) {
+        errorObject.errors.push({ 'detail': 'Tickets are required for publishing/published event' });
       }
       throw (errorObject);
     }
@@ -219,12 +220,17 @@ export default Mixin.create(MutableArray, CustomFormMixin, {
     },
     move(direction) {
       this.onValid(() => {
+        preSaveActions.call(this);
         this.sendAction('move', direction, this.data);
       });
     },
     onValidate(callback) {
       this.onValid(() => {
-        callback(true);
+        const allTicketsDeleted = this.deletedTickets?.length === this.data.event.tickets.length;
+        if (allTicketsDeleted) {
+          this.notify.error('Tickets are required for publishing/published event');
+        }
+        callback(!allTicketsDeleted);
       });
     },
 
@@ -249,15 +255,19 @@ export default Mixin.create(MutableArray, CustomFormMixin, {
   }
 });
 
-function destroyDeletedTickets(deletedTickets) {
+async function destroyDeletedTickets(deletedTickets) {
   if (!deletedTickets) {return} // This mixin may be used in other steps not containing tickets
-  deletedTickets.forEach(ticket => {
-    ticket.destroyRecord();
-  });
+  await allSettled(deletedTickets.map(ticket => {
+    try {
+      return ticket.destroyRecord();
+    } catch (e) {
+      console.error('Error while deleting tickets', e);
+    }
+  }));
 }
 
 function preSaveActions() {
-  destroyDeletedTickets(this.deletedTickets);
+  this.data.event.deletedTickets = this.deletedTickets;
 
   if (this.selectedLocationType) {
     this.set('data.event.online', ['Online', 'Mixed'].includes(this.selectedLocationType));