public ProductArr Filter(string name, string quantity, CategoryProduct category_product)//add category
{
ProductArr productArr = new ProductArr();
ProductDetailsArr productDetailsArr = new ProductDetailsArr();
productDetailsArr.Fill();
for (int i = 0; i < this.Count; i++)
{
Product product = (this[i] as Product);
if (
product.ProductName.StartsWith(name) &&
(((product.QuantityStock > 0) && (quantity == "Yes")) ||
((product.QuantityStock <= 0) && (quantity == "No")) ||
(quantity == "Is in stock?")) &&
(productDetailsArr.IsProductCategory(product, category_product) || category_product == null || category_product.ID == -1)
)
{
productArr.Add(product);
}
}
return(productArr);
}
public ProductDetailsArr Filter(Product product)
{
ProductDetailsArr productDetailsArr = new ProductDetailsArr();
for (int i = 0; i < this.Count; i++)
{
ProductDetails productDetails = (this[i] as ProductDetails);
if ((product == null) || (productDetails.Product.ID == product.ID))
{
productDetailsArr.Add(productDetails);
}
}
return(productDetailsArr);
}