/// <summary>
/// Adds to basket.
/// </summary>
/// <param name="laptop">The laptop.</param>
/// <returns></returns>
public async Task <BasketViewModel> AddToBasket(BasketItem laptop)
{
// Add new laptop and its configuration into basket.
var basketItems = await _laptopRepository.AddToBasket(laptop);
// laptops in basket
var laptops = basketItems.Select(basket => basket.LaptopId).Distinct().ToList();
// create basket view model
var laptopList = await _laptopRepository.GetLaptopList();
var laptopConfigurationList = await _laptopRepository.GetConfigurationList();
var basketViewModel = new BasketViewModel();
laptops.ForEach(laptopId =>
{
var laptopConfigurations = basketItems.Where(b => b.LaptopId == laptopId)
.Select(basket => basket.LaptopConfigurationId).ToList();
basketViewModel.BasketItems.Add(new BasketItems
{
Laptop = laptopList.FirstOrDefault(l => l.Id == laptopId),
LaptopConfigurations = laptopConfigurationList.Where(lc => laptopConfigurations.Contains(lc.Id))
.ToList()
});
});
return(basketViewModel);
}