public async Task <Cart> Update(Cart model)
{
var carts = await _dao.Get(new CartGetOptions { ProductId = model.ProductId, Ordered = model.OrderId.HasValue });
var oldCart = carts.FirstOrDefault();
int countDelta = 0;
if (oldCart != null)
{
countDelta = oldCart.Count - model.Count;
if (model.Count == 0)
{
await _dao.Delete(new List <int> {
model.Id
});
}
else
{
await _dao.Update(model);
}
}
else
{
countDelta -= model.Count;
await _dao.Create(model);
}
if (!model.OrderId.HasValue)
{
var products = await _productService.Get(new ProductGetOptions { Id = model.ProductId });
if (products.Count() > 0)
{
var product = products.FirstOrDefault();
product.Count += countDelta;
await _productService.Update(product);
}
}
return(model);
}
public void Delete(Cart genre)
{
_cartDao.Delete(genre);
}