disable past dates on agenda-edit

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

@@ -118,6 +118,7 @@
               [(ngModel)]="postEvent.StartDate"
               [max]="maxDate"
               [disabled]="disabled"
+              [min]="currentDate"
             >
             <mat-datepicker-toggle id="new-inicio" matSuffix [for]="picker1"></mat-datepicker-toggle>
             <ngx-mat-datetime-picker #picker1
@@ -146,6 +147,7 @@
               [(ngModel)]="postEvent.EndDate"
               [max]="maxDate"
               [disabled]="disabled"
+              [min]="currentDate"
             >
             <mat-datepicker-toggle id="new-fim" matSuffix [for]="fim"></mat-datepicker-toggle>
             <ngx-mat-datetime-picker #fim

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

@@ -48,6 +48,7 @@ export class EditEventPage implements OnInit {
   public stepHour = 1;
   public stepMinute = 5;
   public stepSecond = 5;
+  currentDate = new Date();
 
   Form: FormGroup;
   validateFrom = false