protected virtual void ClearCache(IEnumerable <CatalogProduct> entities)
{
AssociationSearchCacheRegion.ExpireRegion();
foreach (var entity in entities)
{
ItemCacheRegion.ExpireEntity(entity);
}
}
public virtual async Task <CatalogProduct[]> GetByIdsAsync(string[] itemIds, string respGroup, string catalogId = null)
{
var itemResponseGroup = EnumUtility.SafeParseFlags(respGroup, ItemResponseGroup.ItemLarge);
var cacheKey = CacheKey.With(GetType(), nameof(GetByIdsAsync), string.Join("-", itemIds), itemResponseGroup.ToString(), catalogId);
var result = await _platformMemoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
var products = Array.Empty <CatalogProduct>();
if (!itemIds.IsNullOrEmpty())
{
using (var repository = _repositoryFactory())
{
//Optimize performance and CPU usage
repository.DisableChangesTracking();
//It is so important to generate change tokens for all ids even for not existing objects to prevent an issue
//with caching of empty results for non - existing objects that have the infinitive lifetime in the cache
//and future unavailability to create objects with these ids.
cacheEntry.AddExpirationToken(ItemCacheRegion.CreateChangeToken(itemIds));
cacheEntry.AddExpirationToken(CatalogCacheRegion.CreateChangeToken());
products = (await repository.GetItemByIdsAsync(itemIds, respGroup))
.Select(x => x.ToModel(AbstractTypeFactory <CatalogProduct> .TryCreateInstance()))
.ToArray();
}
if (products.Any())
{
products = products.OrderBy(x => Array.IndexOf(itemIds, x.Id)).ToArray();
await LoadDependenciesAsync(products);
ApplyInheritanceRules(products);
var productsWithVariationsList = products.Concat(products.Where(p => p.Variations != null)
.SelectMany(p => p.Variations)).ToArray();
// Fill outlines for products and variations
if (itemResponseGroup.HasFlag(ItemResponseGroup.Outlines))
{
_outlineService.FillOutlinesForObjects(productsWithVariationsList, catalogId);
}
//Add change tokens for products with variations
cacheEntry.AddExpirationToken(ItemCacheRegion.CreateChangeToken(productsWithVariationsList));
//Reduce details according to response group
foreach (var product in productsWithVariationsList)
{
product.ReduceDetails(itemResponseGroup.ToString());
}
}
}
return(products);
});
return(result.Select(x => x.Clone() as CatalogProduct).ToArray());
}
public virtual async Task <CatalogProduct[]> GetByIdsAsync(string[] itemIds, string responseGroup, string catalogId = null)
{
var itemResponseGroup = EnumUtility.SafeParseFlags(responseGroup, ItemResponseGroup.ItemLarge);
var cacheKey = CacheKey.With(GetType(), "GetByIdsAsync", string.Join("-", itemIds), itemResponseGroup.ToString(), catalogId);
return(await _platformMemoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
CatalogProduct[] result;
using (var repository = _repositoryFactory())
{
//Optimize performance and CPU usage
repository.DisableChangesTracking();
result = (await repository.GetItemByIdsAsync(itemIds, itemResponseGroup))
.Select(x => x.ToModel(AbstractTypeFactory <CatalogProduct> .TryCreateInstance()))
.ToArray();
}
await LoadDependenciesAsync(result);
ApplyInheritanceRules(result);
var productsWithVariationsList = result.Concat(result.Where(p => p.Variations != null)
.SelectMany(p => p.Variations)).ToArray();
// Fill outlines for products and variations
if (itemResponseGroup.HasFlag(ItemResponseGroup.Outlines))
{
_outlineService.FillOutlinesForObjects(productsWithVariationsList, catalogId);
}
// Fill SEO info for products, variations and outline items
if (itemResponseGroup.HasFlag(ItemResponseGroup.Seo))
{
var objectsWithSeo = productsWithVariationsList.OfType <ISeoSupport>().ToList();
//Load SEO information for all Outline.Items
var outlineItems = productsWithVariationsList.Where(p => p.Outlines != null)
.SelectMany(p => p.Outlines.SelectMany(o => o.Items));
objectsWithSeo.AddRange(outlineItems);
await _seoService.LoadSeoForObjectsAsync(objectsWithSeo.ToArray());
}
//Reduce details according to response group
foreach (var product in productsWithVariationsList)
{
product.ReduceDetails(itemResponseGroup.ToString());
cacheEntry.AddExpirationToken(ItemCacheRegion.CreateChangeToken(product));
}
return result;
}));
}
private void ClearCache(string[] ids)
{
ItemCacheRegion.ExpireProducts(ids);
AssociationSearchCacheRegion.ExpireRegion();
}
