public int AddProduct(
string id,
int count)
{
var product = _productRepositorie.GetProductById(id);
_productRepositorie.AddProduct(id, product.ProductName, product.ProductPrice, count);
return(0);
}
public Product AddProduct(
int id,
string name,
decimal price,
int count = 1)
{
_productRepositories.AddOrUpdateProdcut(id, name, price, count);
return(_productRepositories.GetProductById(id));
}
public async Task <IActionResult> GetProductById(int?postId)
{
if (postId == null)
{
return(BadRequest());
}
try
{
var post = await _ProductRepositories.GetProductById(postId);
if (post == null)
{
return(NotFound());
}
return(Ok(post));
}
catch (Exception)
{
return(BadRequest());
}
}
public void AddShoppingItem(
ShoppingCar shoppingCart,
string productId,
int count)
{
if (shoppingCart == null)
{
throw new ArgumentNullException();
}
var product = _productRepositorie.GetProductById(productId);
if (product.ProductCount < count)
{
throw new InvalidOperationException($"Product {product.ProductId} count is not enough.");
}
var shoppingItem = shoppingCart.ItemListInCar
.FirstOrDefault(x => x.ProductId.Equals(productId));
if (shoppingItem == null)
{
shoppingItem = new ShoppingItem
{
ProductId = productId,
ProductName = product.ProductName,
ItemPrice = product.ProductPrice,
ItemCount = count
};
shoppingCart.ItemListInCar.Add(shoppingItem);
}
else
{
shoppingItem.ItemCount += count;
}
_productRepositorie.RemoveProduct(productId, count);
}