private static void ValidateParameters(DemoProductPartSearchCriteria criteria)
{
if (criteria == null)
{
throw new ArgumentNullException(nameof(criteria));
}
}
protected virtual IList <SortInfo> BuildSortExpression(DemoProductPartSearchCriteria criteria)
{
var sortInfos = criteria.SortInfos;
if (sortInfos.IsNullOrEmpty())
{
sortInfos = new[] { new SortInfo {
SortColumn = nameof(DemoProductPart.Name)
} };
}
return(sortInfos);
}
public async Task <ActionResult <DemoProductPartSearchResult> > Search([FromBody] DemoProductPartSearchCriteria criteria)
{
var result = await _partsSerarchService.SearchProductPartsAsync(criteria);
return(Ok(result));
}
protected virtual IQueryable <DemoProductPartEntity> BuildQuery(ICatalogRepository catalogRepository, DemoProductPartSearchCriteria criteria)
{
var query = ((DemoCatalogRepository)catalogRepository).ConfiguredProductParts;
if (!string.IsNullOrEmpty(criteria.Keyword))
{
query = query.Where(x => x.Name.Contains(criteria.Keyword));
}
if (criteria.ConfiguredProductId != null)
{
query = query.Where(x => x.ConfiguredProductId == criteria.ConfiguredProductId);
}
return(query);
}
public virtual async Task <DemoProductPartSearchResult> SearchProductPartsAsync(DemoProductPartSearchCriteria criteria)
{
ValidateParameters(criteria);
var cacheKey = CacheKey.With(GetType(), nameof(SearchProductPartsAsync), criteria.GetCacheKey());
return(await _platformMemoryCache.GetOrCreateExclusiveAsync(cacheKey, async cacheEntry =>
{
cacheEntry.AddExpirationToken(DemoProductPartSearchCacheRegion.CreateChangeToken());
var result = AbstractTypeFactory <DemoProductPartSearchResult> .TryCreateInstance();
using (var catalogRepository = _repositoryFactory())
{
//Optimize performance and CPU usage
catalogRepository.DisableChangesTracking();
var sortInfos = BuildSortExpression(criteria);
var query = BuildQuery(catalogRepository, criteria);
result.TotalCount = await query.CountAsync();
if (criteria.Take > 0 && result.TotalCount > 0)
{
var ids = await query.OrderBySortInfos(sortInfos).ThenBy(x => x.Id)
.Select(x => x.Id)
.Skip(criteria.Skip).Take(criteria.Take)
.AsNoTracking()
.ToArrayAsync();
result.Results = (await _productPartService.GetByIdsAsync(ids)).OrderBy(x => Array.IndexOf(ids, x.Id)).ToList();
}
}
return result;
}));
}
