public async Task <BasketDTO> Delete(BasketItemsDTO item, long userId)
{
var basket = await GetBasketByUserId(userId);///??
if (basket == null)
{
return(null);
}
if (!basket.BasketItems.Any())
{
return(basket);
}
basket.BasketItems.Remove(item);
var result = unitOfWork.Repository <BasketItems>().Delete(BasketItemsConverter.Convert(item));
if (!result)
{
return(null);
}
await unitOfWork.SaveChangesAsync();
return(basket);
}
public async Task <BasketDTO> DeleteAllItems(long userId)
{
var basket = await GetBasketByUserId(userId);///??
if (basket == null || !basket.BasketItems.Any())
{
return(null);
}
basket.BasketItems.Clear();
var result = unitOfWork.Repository <BasketItems>().Delete(BasketItemsConverter.Convert(basket.BasketItems));
if (!result)
{
return(null);
}
return(basket);
}
public async Task <BasketDTO> AddItem(CreateBasketItemsDTO dto, long userId)
{
if (dto == null)
{
return(null);
}
var basket = await GetBasketByUserId(userId);
basket.BasketItems = basket.BasketItems ?? new List <BasketItemsDTO>();
var _item = basket.BasketItems.SingleOrDefault(x => x.ProductId == dto.ProductId);
if (_item != null)
{
var product = await productService.Get(_item.ProductId);
if (_item != null && product.Quantity >= dto.Quantity + _item.Quantity)
{
_item.Quantity += dto.Quantity;
}
await unitOfWork.Repository <BasketItems>().Update(BasketItemsConverter.Convert(_item));
}
else
{
var item = BasketItemsConverter.Convert(dto);
var productDto = await productService.Get(item.ProductId);
if (dto.Quantity <= productDto.Quantity)
{
item = await unitOfWork.Repository <BasketItems>().Add(item);
basket.BasketItems.Add(BasketItemsConverter.Convert(dto, item.Id));
}
}
return(basket);
}
