public IEnumerable <CartItemDetailsServiceModel> CartItemsDetails(CartServiceModel cart)
{
var items = cart?
.AllItems()
.ToDictionary(i => i.Id, i => i.Quantity);
if (items == null)
{
return(null);
}
return(this.db
.Shoes
.Where(s => items.ContainsKey(s.Id))
.Select(s => new CartItemDetailsServiceModel
{
Id = s.Id,
Name = s.Name,
Price = s.Price,
Quantity = items[s.Id]
})
.ToList());
}
protected async Task <bool> AddOrderProduct(CartServiceModel cart, List <ProductDTO> products, CartDTO cartDTO)
{
List <int> productIds = cart.CartProducts.Select(x => x.ProductId).ToList();
for (int i = 0; i < productIds.Count; i++)
{
var productId = productIds[i];
var product = products.FirstOrDefault(x => x.Id == productId && x.IsAvailable);
var cartQuantity = cart.CartProducts.Single(x => x.ProductId == productId).Quantity;
if (!IsValidProduct(product, cartQuantity, productId, i))
{
continue;
}
product.AvailableCount -= cartQuantity;
if (product.AvailableCount == 0)
{
product.IsAvailable = false;
}
var cartProductInCart = DoesCartHaveProduct(cartDTO, productId);
if (cartProductInCart != null)
{
cartProductInCart.Quantity += cartQuantity;
await _unitOfWork.CartProductRepository.UpdateAsync(cartProductInCart);
}
else
{
await _unitOfWork.CartProductRepository.InsertAsync(new CartProductDTO { CartId = cartDTO.Id, ProductId = productId, Quantity = cartQuantity });
}
}
return(_validationDictionary.IsValid);
}
public async Task <bool> InsertOrderAsync(CartServiceModel cart)
{
try
{
await _unitOfWork.BeginTransactionAsync();
var products = await _unitOfWork.ProductRepository.GetAllAsyncWithTracking();
var users = await _unitOfWork.UserRepository.GetAllAsyncWithNoTracking();
var user = users.FirstOrDefault(x => x.Id == cart.UserId);
if (user == null)
{
_validationDictionary.AddError("UserId", "შეყვანილი იუზერი არ არსებობს!");
return(false);
}
var doesUserHaveCart = DoesUserHaveActiveCart(user.Id);
CartDTO newCart;
if (doesUserHaveCart == null)
{
newCart = new CartDTO {
UserId = cart.UserId,
};
await _unitOfWork.CartRepository.InsertAsync(newCart);
}
else
{
newCart = doesUserHaveCart;
}
if (!await AddOrderProduct(cart, products.ToList(), newCart))
{
await _unitOfWork.RollbackAsync();
return(false);
}
await _unitOfWork.SaveChangesAsync();
if (doesUserHaveCart == null)
{
var jobId = BackgroundJob.Schedule(() => DeleteCart(newCart.Id),
TimeSpan.FromMinutes(_config.GetValue <int>("CartOptions:CartExpireTimeInMinute")));
newCart.JobId = jobId;
await _unitOfWork.SaveChangesAsync();
}
await _unitOfWork.CommitAsync();
return(true);
}
catch (Exception)
{
await _unitOfWork.RollbackAsync();
throw;
}
}