private async void OnButtonDoneClicked(object sender, EventArgs e)
{
// Check if all entries are filled
if (!IsNewProductReady())
{
await DisplayAlert("Error", "Please fill all entries", "OK");
return;
}
// Product Assembly
try
{
CreateProduct();
}
catch (Exception ex)
{
await DisplayAlert("Error", $"An error occurred \n {ex.Message}", "OK");
}
//User confirmation
bool userConfirmation = await DisplayAlert("Confirmation", "Do you want to add the product to the database?", "ADD", "CANCEL");
if (!userConfirmation)
{
return;
}
Product result = null;
try
{
frmLoading.IsVisible = true;
formLayout.InputTransparent = true;
LoadingAnimation();
result = await OnlineDataManager.PostProductAsync(_newProduct, new ByteArrayPart(_imageByteArray, "name"));
}
catch (Exception ex)
{
Console.WriteLine("Error Posting image:\n" + ex.Message);
}
formLayout.InputTransparent = false;
frmLoading.IsVisible = false;
// Check if the upload failed
if (result == null)
{
await DisplayAlert("Error", "Something failed", "OK");
return;
}
await DisplayAlert("Done", "The product has been added successfully", "OK");
await Navigation.PopAsync();
}
// Append new products to Products list
public async Task UpdateProductsAsync()
{
List <Product> products = await OnlineDataManager.GetProductsByCategoryLocationAsync(this.CategoryList, GetCurrencyString());
// Order by Date
products = this.Products.ToList().Union(products).ToList();
this.Products = new ObservableCollection <Product>(products.OrderByDescending(p => p.Date));
}
// Search by name
public async Task FilterProductsByPartialNameAsync(string name)
{
List <Product> products = await OnlineDataManager.FilterProductsByPartialNameAsync(this.CategoryList, name);
// Order by Date
products = products.OrderByDescending(p => p.Date).ToList();
this.Products = new ObservableCollection <Product>(products);
}
// Filter out the already existing products inside Products list
public async Task FilterProductsAsync(bool refreshProductsList)
{
List <Product> products = await OnlineDataManager.FilterProductsByCategoryLocationAsync(this.CategoryList, GetCurrencyString());
// Order by Date
products = products.OrderByDescending(p => p.Date).ToList();
this.Products = new ObservableCollection <Product>(products);
if (refreshProductsList)
{
ProductPage.UpdateProductListItemSource();
}
}
private async void OnDeleteProduct(object sender, EventArgs e)
{
bool confirmation = await DisplayAlert("Confirm", "Do you want to delete this product?", "Yes", "No");
if (!confirmation)
{
return;
}
Product result = null;
try
{
btnDelete.Text = "Deleting";
PopupLayout.InputTransparent = true;
DeletingTextAnimation();
result = await OnlineDataManager.DeleteProductAsync(SelectedProduct._id);
}
catch (Exception ex)
{
await DisplayAlert("Error", "There was an error deleting the product", "Ok");
return;
}
PopupLayout.InputTransparent = false;
if (result == null)
{
return;
}
await DisplayAlert("Done", "Product deleted successfully", "Ok");
await PopupNavigation.Instance.PopAsync(true);
await _app.FilterProductsAsync(true);
}
