public async Task <int> GetBasketItemCountAsync(string customerId)
{
// TODO: Validate customerId.
var specification = new BasketWithItemSpecification(customerId);
var basket = (await basketRepository.SelectAsync(specification)).FirstOrDefault();
return(basket != null?basket.Details.Sum(detail => detail.Quantity) : 0);
}
public async Task <BasketViewModel> GetOrCreateBasketForUser(string userName)
{
var basketSpec = new BasketWithItemSpecification(userName);
var basket = (await _basketRepository.ListAsync(basketSpec)).FirstOrDefault();
if (basket == null)
{
return(await CreateBasketForUser(userName));
}
return(await CreateViewModelFromBasket(basket));
}
public async Task TransferBasketAsync(string anonymousId, string userName)
{
Guard.Against.NullOrEmpty(anonymousId, nameof(anonymousId));
Guard.Against.NullOrEmpty(userName, nameof(userName));
var basketSpec = new BasketWithItemSpecification(anonymousId);
var basket = (await _basketRepository.ListAsync(basketSpec)).FirstOrDefault();
if (basket == null)
{
return;
}
basket.BuyerId = userName;
await _basketRepository.UpdateAsync(basket);
}
public async Task TransferBasketAsync(string anonymousId, string customerId)
{
// TODO: Validate anonymousId, customerId.
var specification = new BasketWithItemSpecification(anonymousId);
var basket = (await basketRepository.SelectAsync(specification)).FirstOrDefault();
if (basket == null)
{
return;
}
basket.CustomerId = customerId;
await basketRepository.UpdateAsync(basket);
}
public async Task <int> GetBasketItemCountAsync(string userName)
{
Guard.Against.NullOrEmpty(userName, nameof(userName));
var basketSpec = new BasketWithItemSpecification(userName);
var basket = (await _basketRepository.ListAsync(basketSpec)).FirstOrDefault();
if (basket == null)
{
_logger.LogInformation($"No basket found for {userName}");
return(0);
}
int count = basket.Items.Sum(i => i.Quantity);
_logger.LogInformation($"Basket for {userName} has {count} items.");
return(count);
}
