public async Task <IActionResult> Add_To_Basket_Item(string username, BasketCartItem item_to_add)
{
if (string.IsNullOrEmpty(username))
{
return(BadRequest());
}
var basket_that_receives = await _repository.AddBasketItem(username, item_to_add);
if (basket_that_receives == null)
{
return(StatusCode(500, "basket could not receive items"));
}
return(Ok(basket_that_receives));
}
public IActionResult AddBasketItem(Guid basketGuid, [FromBody] Item item)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var repoResponse = _basket.AddBasketItem(basketGuid, item);
if (!repoResponse.IsTransactionSuccess)
{
return(StatusCode(StatusCodes.Status500InternalServerError));
}
return(Ok(repoResponse));
}
public async Task <(Basket basket, BusinessErrorCollection errors)> AddItemToBasket(string userId, int productId, int quantity)
{
var product = await _productBusinessComponent.GetProductById(productId);
var errors = new BusinessErrorCollection();
var newBasket = false;
// Validate product is found
if (product == null)
{
errors.Add(BusinessErrors.P001ProductNotFound);
return(null, errors);
}
// Other business rules
if (product.Stock.Total - product.Stock.Reserved < quantity)
{
errors.Add(BusinessErrors.S001InsufficientStock);
}
var basket = await _basketRepository.GetBasketByUserId(userId);
if (!errors.IsValid)
{
return(basket, errors);
}
if (basket == null)
{
newBasket = true;
basket = new Basket
{
UserId = userId,
Items = new List <BasketItem>()
};
}
var item = basket.Items.SingleOrDefault(i => i.ProductId == productId);
try
{
await _shopDbTransactionManager.BeginTransaction();
if (newBasket)
{
await _basketRepository.AddBasket(basket);
}
else
{
await _basketRepository.UpdateBasket(basket);
}
if (item == null)
{
item = new BasketItem
{
BasketId = basket.Id,
ProductId = productId,
Quantity = quantity
};
await _basketRepository.AddBasketItem(item);
}
else
{
item.Quantity += quantity;
await _basketRepository.UpdateBasketItem(item);
}
await _shopDbTransactionManager.CommitTransaction();
}
catch
{
await _shopDbTransactionManager.RollbackTransaction();
throw;
}
return(basket, errors);
}
