src/ApiGateways/Mobile.Bff.Shopping/aggregator/Services/BasketService.cs

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namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services;

public class BasketService : IBasketService
{
    private readonly Basket.BasketClient _basketClient;
    private readonly ILogger<BasketService> _logger;

    public BasketService(Basket.BasketClient basketClient, ILogger<BasketService> logger)
    {
        _basketClient = basketClient;
        _logger = logger;
    }

    public async Task<BasketData> GetByIdAsync(string id)
    {
        _logger.LogDebug("grpc client created, request = {@id}", id);
        var response = await _basketClient.GetBasketByIdAsync(new BasketRequest { Id = id });
        _logger.LogDebug("grpc response {@response}", response);

        return MapToBasketData(response);
    }

    public async Task UpdateAsync(BasketData currentBasket)
    {
        _logger.LogDebug("Grpc update basket currentBasket {@currentBasket}", currentBasket);
        var request = MapToCustomerBasketRequest(currentBasket);
        _logger.LogDebug("Grpc update basket request {@request}", request);

        await _basketClient.UpdateBasketAsync(request);
    }

    private BasketData MapToBasketData(CustomerBasketResponse customerBasketRequest)
    {
        if (customerBasketRequest == null)
        {
            return null;
        }

        var map = new BasketData
        {
            BuyerId = customerBasketRequest.Buyerid
        };

        customerBasketRequest.Items.ToList().ForEach(item => map.Items.Add(new BasketDataItem
        {
            Id = item.Id,
            OldUnitPrice = (decimal)item.Oldunitprice,
            PictureUrl = item.Pictureurl,
            ProductId = item.Productid,
            ProductName = item.Productname,
            Quantity = item.Quantity,
            UnitPrice = (decimal)item.Unitprice
        }));

        return map;
    }

    private CustomerBasketRequest MapToCustomerBasketRequest(BasketData basketData)
    {
        if (basketData == null)