/// <summary>
/// Adds the specified product to cart
/// </summary>
/// <param name="productViewModel">The view model of the product row viewer to add product</param>
public void AddToCart(ProductRowViewerViewModel productViewModel)
{
var viewModel = new OrderRowViewerViewModel
(
CurrentCart.Count + 1,
Order.CurrentOrder.ID,
"1",
"0",
productViewModel
);
viewModel.CanDelete = true;
// Updates the list price
viewModel.TotalPriceChanged += () => OnPropertyChanged(nameof(TotalPrice));
viewModel.Deleted += DeleteItem;
if (!mIsSearching)
{
CurrentCart.Add(viewModel);
Items.Add(viewModel);
}
else
{
CurrentCart.Add(viewModel);
}
// Make the product not available to be added to the cart again
// Because the qunatity of the product can be specified in the (CartPage)
productViewModel.IsOutFromCart = false;
OnPropertyChanged(nameof(TotalPrice));
}
/// <summary>
/// Removes the product from the cart
/// </summary>
/// <param name="viewModel">The view model of the product row viewer to remove the product</param>
public void RemoveFromCart(ProductRowViewerViewModel viewModel)
{
// Removing it from the (Items) list if there is no searching now
if (!mIsSearching)
{
foreach (OrderRowViewerViewModel item in Items)
{
if (item.ProductViewModel.Equals(viewModel))
{
Items.Remove(item);
break;
}
}
}
// Removing it from the cart
foreach (OrderRowViewerViewModel item in CurrentCart)
{
if (item.ProductViewModel.Equals(viewModel))
{
CurrentCart.Remove(item);
break;
}
}
}
/// <summary>
/// Initialize a new instance from <see cref="OrderRowViewerViewModel"/> class
/// </summary>
/// <param name="rowNumber">The row number which holds the order line</param>
/// <param name="orderID">The ID of the order which contains the order line to show</param>
/// <param name="quantityString">The quantity of the product to sell</param>
/// <param name="discountString">The applied discount</param>
/// <param name="productViewModel">The view model to get product data from it</param>
public OrderRowViewerViewModel(int rowNumber, int orderID, string quantityString, string discountString,
ProductRowViewerViewModel productViewModel) : this(rowNumber, orderID, quantityString, discountString)
{
this.ProductViewModel = productViewModel;
this.ProductID = productViewModel.ID;
this.ProductName = productViewModel.Name;
this.ProductPrice = productViewModel.Price;
productViewModel.ProductUpdated += () =>
{
ProductName = productViewModel.Name;
ProductPrice = productViewModel.Price;
};
}
/// <summary>
/// Converting the <see cref="Product"/> object
/// to <see cref="ProductRowViewer"/> object using ProductRowViewerViewModel
/// </summary>
/// <param name="product">The product to convert</param>
private ProductRowViewerViewModel ConvertToProductRowViewer(Product product)
{
var viewModel = new ProductRowViewerViewModel
{
ID = product.ID,
Name = product.Name,
Category = product.Category,
StoredQuantity = product.QuantityInStock,
Price = product.Price,
Description = product.Description,
Picture = product.Image
};
viewModel.Deleted += DeleteItem;
viewModel.Edited += EditItem;
viewModel.Printed += PrintItem;
return(viewModel);
}