private async void Initialize() { if (IsBusy || IsLoading) { // Message toast ShowSnackBarWithAction(TranslateManagerHelper.Convert("loading_please_wait"), null, TranslateManagerHelper.Convert("ok").ToUpperInvariant()); return; } IsLoading = true; Items = new ObservableCollection <VoucherModel>(); var response = await _applicationsService.GetApplicationUserVouchers(_authentication.GetToken(), (long)_appInfo?.App?.Id, _userInformation.UserId); if (response != null && response?.isuccess == true) { foreach (var item in response.data) { Items.Add(new VoucherModel { Amount = item.Value.ToString(), Id = item.Id, CurrencyId = item.CurrencyId, QrCode = item.QrCode, Currency = item.CurrencyCode, VoucherNumber = item.Number, Icon = "" }); } } else { string message; switch (response?.errcode) { case "EXCEPTION": message = TranslateManagerHelper.Convert("operation_failed"); break; default: message = !string.IsNullOrEmpty(response?.msg) ? response?.msg : TranslateManagerHelper.Convert("error_occured"); break; } var parameters = new NavigationParameters { { Constants.PopupIsSucces, false }, { Constants.PopupIsBeforeHome, false }, { Constants.PopupMessage, message }, { Constants.PopupNextPage, "" } }; await NavigationService.NavigateAsync(PopupName.SuccessfullPopup, parameters); } IsEmpty = Items.Count == 0; IsLoading = false; }