/// <summary>
/// This method retrieves all the products for a product given in the <see cref="GetRelatedProductsParam"/>
/// then converts them to to a <see cref="RelatedProductsViewModel"/>. The change the behaviour of this method,
/// developers should override <seealso cref="RetrieveProductsAsync"/> or <seealso cref="CreateRelatedProductsViewModel(Orckestra.Composer.Product.Parameters.CreateRelatedProductViewModelParam)"/>.
/// This method makes a number of asynchronous calls, so in cases where only the product IDs are desired,
/// <seealso cref="GetProductIdsAsync"/> should be used.
/// </summary>
/// <param name="param"></param>
/// <returns></returns>
public async virtual Task <RelatedProductsViewModel> GetRelatedProductsAsync(GetRelatedProductsParam param)
{
if (param == null)
{
throw new ArgumentNullException(nameof(param));
}
if (!param.ProductIds.Any())
{
return(new RelatedProductsViewModel());
}
var products = await RetrieveProductsAsync(param).ConfigureAwait(false);
// make a single request to get all product prices at once, instead of making a request for each product
var productIds = param.ProductIds.Select(p => p.ProductId).ToList();
var prices = ProductRepository.CalculatePricesAsync(productIds, param.Scope);
var images = GetImagesAsync(products);
await Task.WhenAll(prices, images);
var createVmParam = new CreateRelatedProductViewModelParam
{
BaseUrl = param.BaseUrl,
CultureInfo = param.CultureInfo,
ProductsWithVariant = products,
Scope = param.Scope,
Prices = await prices,
Images = await images
};
var vm = CreateRelatedProductsViewModel(createVmParam);
return(vm);
}
private CreateRelatedProductViewModelParam CreateParam()
{
var param = new CreateRelatedProductViewModelParam();
param.ProductsWithVariant = new List <ProductWithVariant>
{
new ProductWithVariant {
Product = RelatedProductsViewServiceTestHelper.Product, Variant = new Variant
{
Id = "1"
}
},
new ProductWithVariant {
Product = RelatedProductsViewServiceTestHelper.Product, Variant = new Variant
{
Id = "2"
}
},
};
param.CultureInfo = new CultureInfo("en-CA");
param.BaseUrl = new Uri("http://httpcolonslashslash.com");
param.Prices = new List <ProductPrice>
{
new ProductPrice
{
DefaultPrice = 99m,
ProductId = "1",
Pricing = new ProductPriceEntry {
Price = 99m
}
}
};
param.Images = new List <ProductMainImage>
{
new ProductMainImage
{
ProductId = "1",
VariantId = "1",
ImageUrl = GetRandom.WwwUrl(),
FallbackImageUrl = GetRandom.WwwUrl()
},
new ProductMainImage
{
ProductId = "1",
VariantId = "2",
ImageUrl = GetRandom.WwwUrl(),
FallbackImageUrl = GetRandom.WwwUrl()
}
};
return(param);
}
/// <summary>
/// Creates a <see cref="RelatedProductsViewModel"/> which is just a container for a list of <see cref="RelatedProductViewModel"/>
/// </summary>
/// <returns></returns>
protected virtual RelatedProductsViewModel CreateRelatedProductsViewModel(CreateRelatedProductViewModelParam param)
{
var relatedProductsViewModel = new RelatedProductsViewModel();
//iterate over the requested products
foreach (var productVariant in param.ProductsWithVariant)
{
// call the method that actually does the mapping for an individual product
var productVm = CreateRelatedProductsViewModel(param.BaseUrl, param.CultureInfo, productVariant, param.Prices, param.Images);
relatedProductsViewModel.Products.Add(productVm);
}
return(relatedProductsViewModel);
}
public RelatedProductsViewModel CreateRelatedProductsViewModelProxy(CreateRelatedProductViewModelParam param)
{
return(CreateRelatedProductsViewModel(param));
}
