public bool UpdateProduct(Product product, ref string message)
{
var result = true;
if (product.UnitPrice <= 0)
{
message = "Price cannot be <= 0";
result = false;
}
else if (string.IsNullOrEmpty(product.ProductName))
{
message = "Product name cannot be empty";
result = false;
}
else if (string.IsNullOrEmpty(product.QuantityPerUnit))
{
message = "Quantity cannot be empty";
result = false;
}
else
{
message = "Product updated successfully";
result = true;
}
return result;
}
public Product GetProduct(int id)
{
var product = new Product
{
ProductId = id,
ProductName = "fake product name from service layer",
UnitPrice = 10.0m,
QuantityPerUnit = "fake QPU"
};
return product;
}