private async void ExecuteSaveAsync()
 {
     if (NewSafe.Statement == null || NewSafe.Amount == null)
     {
         return;
     }
     _newSafe.RegistrationDate = DateTime.Now;
     _newSafe.CanDelete        = true;
     _newSafe.Source           = 1;
     _safeServ.AddSafe(_newSafe);
     safes.Add(_safeServ.GetLastSafe());
     _statementSuggestions.Add(_newSafe.Statement);
     NewSafe      = new Safe();
     NewSafe.Date = DateTime.Now;
     await _currentWindow.ShowMessageAsync("نجاح الإضافة", "تم الإضافة بنجاح", MessageDialogStyle.Affirmative, new MetroDialogSettings()
     {
         AffirmativeButtonText = "موافق",
         DialogMessageFontSize = 25,
         DialogTitleFontSize   = 30
     });
 }