private async void ApplyFilter(object sender, EventArgs e)
{
ProductListProperty.IsLoading = true;
try
{
if (HolderFilter.IsVisible)
{
ShowFilter(null, null);
}
ProductListProperty.PropertiesFilter.UserId = AppStatics.UserID != -1 ? AppStatics.UserID : 0;
var responseProductsFiltered =
await new Services.HttpExtension <List <BLL.M.Mobile.Product> >().Post("Category/GetFullSearchCategories", ProductListProperty.PropertiesFilter);
if (responseProductsFiltered != null)
{
if (responseProductsFiltered.Count == 0)
{
ProductListProperty.PropertiesFilter.CurrentPage--;
}
Device.BeginInvokeOnMainThread(() => {
ButNext.IsVisible = responseProductsFiltered?.Count == ProductListProperty.PropertiesFilter.PageSize;
ButPrevious.IsVisible = ProductListProperty.PropertiesFilter.CurrentPage > 0;
});
if (responseProductsFiltered.Count > 0)
{
ProductListProperty.Products = responseProductsFiltered == null ? null : new ObservableCollection <BLL.M.Mobile.Product>(responseProductsFiltered);
Device.BeginInvokeOnMainThread(() =>
ListViewProduct.ScrollTo(ProductListProperty.Products.FirstOrDefault(), ScrollToPosition.Start, false));
}
else
{
await DisplayAlert("", MultiLanguage.MLResource.NoMoreItem, MultiLanguage.MLResource.Ok);
}
}
else
{
ProductListProperty.PropertiesFilter.CurrentPage--;
}
}
catch (Exception ex)
{
if (Xamarin.Essentials.Connectivity.NetworkAccess != Xamarin.Essentials.NetworkAccess.Internet)
{
await App._nav.DisplayAlert(MultiLanguage.MLResource.InternetConnectionTitle, MultiLanguage.MLResource.InternetConnectionMessage, MultiLanguage.MLResource.Ok);
}
else
#if DEBUG
{ await App._nav.DisplayAlert(MultiLanguage.MLResource.Error, ex.ToString(), MultiLanguage.MLResource.Ok); }
#elif RELEASE
{ await App._nav.DisplayAlert(MultiLanguage.MLResource.Error, MultiLanguage.MLResource.FailedMessage, MultiLanguage.MLResource.Ok); }
#endif
}
ProductListProperty.IsLoading = false;
}
private void PreviousListProduct(object sender, EventArgs e)
{
ListViewProduct.ScrollTo(ListViewProduct.Header, ScrollToPosition.Start, false);
ProductListProperty.PropertiesFilter.CurrentPage--;
ApplyFilter(null, null);
}