validated the last ocurrence date

src/app/pages/agenda/edit-event/edit-event.page.html

@@ -134,6 +134,7 @@
                   <input matInput [ngxMatDatetimePicker]="picker1"
                     placeholder="Choose a date"
                     [(ngModel)]="postEvent.StartDate"
+                    [min]="currentDate"
                     [max]="maxDate"
                     [disabled]="disabled"
                   >
@@ -162,6 +163,7 @@
                   <input matInput [ngxMatDatetimePicker]="fim"
                     placeholder="Choose a date"
                     [(ngModel)]="postEvent.EndDate"
+                    [min]="currentDate"
                     [max]="maxDate"
                     [disabled]="disabled"
                   >
@@ -213,6 +215,7 @@
                     placeholder="Choose a date"
                     [(ngModel)]="postEvent.EventRecurrence.LastOccurrence"
                     [disabled]="disabled"
+                    [min]="postEvent.EndDate"
                   >
                   <mat-datepicker-toggle id="last-occurrence" matSuffix [for]="occurrrence"></mat-datepicker-toggle>
                   <ngx-mat-datetime-picker #occurrrence

src/app/pages/agenda/edit-event/edit-event.page.ts

@@ -247,6 +247,9 @@ export class EditEventPage implements OnInit {
       IsRecurring: new FormControl(this.postEvent.IsRecurring, [
         Validators.required
       ]),
+      dateOccurrence: new FormControl(this.postEvent.EventRecurrence.Type.toString() == '-1' ? ['ok']: this.postEvent.EventRecurrence.LastOccurrence && new Date(this.postEvent.EventRecurrence.LastOccurrence).getTime() > new Date(this.postEvent.EndDate).getTime() ? 'ok': null, [
+        Validators.required
+      ]),
       Date: new FormControl(new Date(this.postEvent.StartDate).getTime() <= new Date(this.postEvent.EndDate).getTime()? 'ok': null,[
         Validators.required
       ]),