public static Product add(Product product)
{
var existingProduct = false;
Product fetchedProduct;
if (product.Id != 0)
{
throw new
Exception(@"Posted products cannot contain an id");
}
try
{
fetchedProduct = get(product.Name);
existingProduct = true;
}
catch (Exception)
{
//this is actually good that we are here. Means we didn't
//find an existing product so it is OK to insert;
product.Id = ProductsRepository.data.Select(x => x.Id).Max() + 1;
var data = ProductsRepository.data.ToList();
data.Add(product);
ProductsRepository.data = data;
}
if (existingProduct)
{
throw new
Exception(@"The product name you are attempting to insert already exists.");
}
return product;
}
public void PutProduct(Product product)
{
ProductsRepository.update(product);
}
public Product PostProduct(Product product)
{
return ProductsRepository.add(product);
}
public static void update(Product product)
{
try
{
Product existingProduct = get(product.Id);
existingProduct.Name = product.Name;
existingProduct.Price = product.Price;
existingProduct.Rating = product.Rating;
}
catch (Exception)
{
throw new
Exception(@"The product name you are attempting to put does not exist.");
}
}
