/// <returns>A task that represents the asynchronous operation</returns>
public virtual async Task <IActionResult> Maintenance()
{
if (!await _permissionService.AuthorizeAsync(StandardPermissionProvider.ManageMaintenance))
{
return(AccessDeniedView());
}
//prepare model
var model = await _commonModelFactory.PrepareMaintenanceModelAsync(new MaintenanceModel());
return(View(model));
}