S16 postgresql opslag added

agiledancers-fe/src/app/shared/schedule-editor.ts

@@ -113,6 +113,8 @@ import { DialogFrame } from './dialog-frame';
 export class ScheduleEditor implements OnInit {
   readonly show = input.required<Show>();
   readonly groups = input.required<DanceGroup[]>();
+  readonly revision = input<number>();
+  private originalRevision?: number;
   readonly schoolId = input.required<number>();
   readonly closed = output<void>();
   readonly saved = output<void>();
@@ -124,6 +126,7 @@ export class ScheduleEditor implements OnInit {
   assignments: number[][] = [];
 
   ngOnInit(): void {
+    this.originalRevision = this.revision();
     this.current.set(this.show());
     this.assignments = this.show().dayParts.map((p) => [...p.danceGroupIds]);
   }
@@ -162,9 +165,15 @@ export class ScheduleEditor implements OnInit {
     try {
       const result = await firstValueFrom(
         finalize
-          ? this.api.finalize(this.schoolId(), this.show().id)
-          : this.api.saveAssignments(this.schoolId(), this.show().id, this.assignments),
+          ? this.api.finalize(this.schoolId(), this.show().id, this.originalRevision)
+          : this.api.saveAssignments(
+              this.schoolId(),
+              this.show().id,
+              this.assignments,
+              this.originalRevision,
+            ),
       );
+      if (this.originalRevision !== undefined) this.originalRevision++;
       this.current.set(result);
       this.assignments = result.dayParts.map((p) => [...p.danceGroupIds]);
       this.dirty.set(false);