public virtual async Task EvaluateProductPricesAsync(IEnumerable <Product> products, WorkContext workContext)
{
if (products == null)
{
throw new ArgumentNullException(nameof(products));
}
if (workContext == null)
{
throw new ArgumentNullException(nameof(workContext));
}
//Evaluate products prices
var evalContext = workContext.ToPriceEvaluationContext(products);
var cacheKey = CacheKey.With(GetType(), "EvaluateProductPricesAsync", evalContext.GetCacheKey());
var pricesResponse = await _memoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
cacheEntry.AddExpirationToken(PricingCacheRegion.CreateChangeToken());
cacheEntry.AddExpirationToken(_apiChangesWatcher.CreateChangeToken());
return(await _pricingApi.EvaluatePricesAsync(evalContext.ToPriceEvaluationContextDto()));
});
ApplyProductPrices(products, pricesResponse, workContext);
//Evaluate product discounts
//Fill product inventories for getting InStockQuantity data for promotion evaluation
await _inventoryService.EvaluateProductInventoriesAsync(products.ToList(), workContext);
var promoEvalContext = workContext.ToPromotionEvaluationContext(products);
await _promotionEvaluator.EvaluateDiscountsAsync(promoEvalContext, products);
//Evaluate product taxes
var taxEvalContext = workContext.ToTaxEvaluationContext(products);
await _taxEvaluator.EvaluateTaxesAsync(taxEvalContext, products);
}
public async Task <Product[]> GetProductsAsync(ProductSearchCriteria criteria)
{
var result = await _catalogModuleSearch.SearchProductsAsync(criteria.ToApiCriteria());
var products = new List <Product>();
if (!result.Items.IsNullOrEmpty())
{
var evaluationContext = new PriceEvaluationContext
{
ProductIds = result.Items.Select(p => p.Id).ToArray()
};
var prices = await _pricingModule.EvaluatePricesAsync(evaluationContext);
products.AddRange(
result
.Items
.Select(
product => product.ToProduct(
prices.FirstOrDefault(p => p.ProductId == product.Id)
)
)
);
}
return(products.ToArray());
}