public virtual async Task <PromotionUsage[]> GetByIdsAsync(string[] ids)
{
var cacheKey = CacheKey.With(GetType(), "GetByIdsAsync", string.Join("-", ids));
return(await _platformMemoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
cacheEntry.AddExpirationToken(PromotionUsageCacheRegion.CreateChangeToken());
using (var repository = _repositoryFactory())
{
var promotionUsage = await repository.GetMarketingUsagesByIdsAsync(ids);
return promotionUsage.Select(x => x.ToModel(AbstractTypeFactory <PromotionUsage> .TryCreateInstance())).ToArray();
}
}));
}
public virtual Task <PromotionUsage[]> GetByIdsAsync(string[] ids)
{
var cacheKey = CacheKey.With(GetType(), nameof(GetByIdsAsync), string.Join("-", ids));
return(_platformMemoryCache.GetOrCreateExclusiveAsync(cacheKey, async(cacheEntry) =>
{
using (var repository = _repositoryFactory())
{
//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(PromotionUsageCacheRegion.CreateChangeToken(ids));
var promotionUsages = await repository.GetMarketingUsagesByIdsAsync(ids);
var usages = promotionUsages.Select(x => x.ToModel(AbstractTypeFactory <PromotionUsage> .TryCreateInstance())).ToArray();
return usages;
}
}));
}
public virtual async Task <GenericSearchResult <PromotionUsage> > SearchUsagesAsync(PromotionUsageSearchCriteria criteria)
{
if (criteria == null)
{
throw new ArgumentNullException(nameof(criteria));
}
var cacheKey = CacheKey.With(GetType(), "SearchUsagesAsync", criteria.GetCacheKey());
return(await _platformMemoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
cacheEntry.AddExpirationToken(PromotionUsageCacheRegion.CreateChangeToken());
using (var repository = _repositoryFactory())
{
var query = GetPromotionUsageQuery(repository, criteria);
var sortInfos = criteria.SortInfos;
if (sortInfos.IsNullOrEmpty())
{
sortInfos = new[] { new SortInfo {
SortColumn = ReflectionUtility.GetPropertyName <PromotionUsage>(x => x.ModifiedDate), SortDirection = SortDirection.Descending
} };
}
query = query.OrderBySortInfos(sortInfos);
var totalCount = await query.CountAsync();
var searchResult = new GenericSearchResult <PromotionUsage> {
TotalCount = totalCount
};
if (criteria.Take > 0)
{
var coupons = await query.Skip(criteria.Skip).Take(criteria.Take).ToArrayAsync();
searchResult.Results = coupons.Select(x => x.ToModel(AbstractTypeFactory <PromotionUsage> .TryCreateInstance())).ToList();
}
return searchResult;
}
}));
}