private async void DeleteProduct()
{
var answer = await Application.Current.MainPage.DisplayAlert(
Languages.Confirm,
Languages.DeleteConfirmation,
Languages.yes,
Languages.No);
if (!answer)
{
return;
}
var connection = await apiService.CheckConnection();
if (!connection.IsSuccess)
{
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
connection.Message,
Languages.Accept);
return;
}
var url = Application.Current.Resources["UrlAPI"].ToString();
var prefix = Application.Current.Resources["UrPrefix"].ToString();
var controller = Application.Current.Resources["UrlProductsController"].ToString();
var response = await apiService.Delete(url, prefix, controller, ProductId);
if (!response.IsSuccess)
{
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
response.Message,
Languages.Accept);
return;
}
var productsViewModel = ProductsViewModel.GetInstce();
var deletedProdcut = productsViewModel.Products.Where(p => p.ProductId == ProductId).FirstOrDefault();
if (deletedProdcut != null)
{
productsViewModel.Products.Remove(deletedProdcut);
}
}
private async void Save()
{
if (string.IsNullOrEmpty(Description))
{
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
Languages.DescriptionError,
Languages.Accept);
return;
}
if (string.IsNullOrEmpty(Price))
{
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
Languages.Price_Error,
Languages.Accept);
return;
}
var price = decimal.Parse(Price);
if (price < 0)
{
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
Languages.Price_Error,
Languages.Accept);
return;
}
IsRunning = true;
IsEnabled = false;
var connection = await apiService.CheckConnection();
if (!connection.IsSuccess)
{
IsRunning = false;
IsEnabled = true;
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
connection.Message,
Languages.Accept);
return;
}
byte[] imageArray = null;
if (file != null)
{
imageArray = FilesHelper.ReadFully(file.GetStream());
}
var product = new Product
{
Description = Description,
Price = price,
Remarks = Remarks,
ImageArray = imageArray
};
var url = Application.Current.Resources["UrlAPI"].ToString();
var prefix = Application.Current.Resources["UrPrefix"].ToString();
var controller = Application.Current.Resources["UrlProductsController"].ToString();
var response = await apiService.Post(url, prefix, controller, product);
if (!response.IsSuccess)
{
IsRunning = false;
IsEnabled = true;
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
response.Message,
Languages.Accept);
return;
}
var newProduct = (Product)response.Result;
var viewModel = ProductsViewModel.GetInstce();
viewModel.Products.Add(new productItemViewModel
{
Description = newProduct.Description,
ImageArray = newProduct.ImageArray,
ImagePath = newProduct.ImagePath,
IsAvailable = newProduct.IsAvailable,
Price = newProduct.Price,
ProductId = newProduct.ProductId,
PublishOn = newProduct.PublishOn,
Remarks = newProduct.Remarks,
});
IsRunning = false;
IsEnabled = true;
await Application.Current.MainPage.Navigation.PopAsync();
}