public async Task <CategoryEntity[]> GetCategoriesByIdsAsync(string[] categoriesIds, CategoryResponseGroup respGroup)
{
var result = Array.Empty <CategoryEntity>();
if (!categoriesIds.IsNullOrEmpty())
{
result = await Categories.Where(x => categoriesIds.Contains(x.Id)).ToArrayAsync();
if (result.Any())
{
if (respGroup.HasFlag(CategoryResponseGroup.WithOutlines))
{
respGroup |= CategoryResponseGroup.WithLinks | CategoryResponseGroup.WithParents;
}
if (respGroup.HasFlag(CategoryResponseGroup.WithLinks))
{
var incommingLinksTask = CategoryLinks.Where(x => categoriesIds.Contains(x.TargetCategoryId))
.ToArrayAsync();
var outgoingLinksTask = CategoryLinks.Where(x => categoriesIds.Contains(x.SourceCategoryId))
.ToArrayAsync();
await Task.WhenAll(incommingLinksTask, outgoingLinksTask);
}
if (respGroup.HasFlag(CategoryResponseGroup.WithImages))
{
var images = await Images.Where(x => categoriesIds.Contains(x.CategoryId)).ToArrayAsync();
}
if (respGroup.HasFlag(CategoryResponseGroup.WithSeo))
{
var seoInfos = await SeoInfos.Where(x => categoriesIds.Contains(x.CategoryId)).ToArrayAsync();
}
//Load all properties meta information and information for inheritance
if (respGroup.HasFlag(CategoryResponseGroup.WithProperties))
{
//Load category property values by separate query
var propertyValues = await PropertyValues.Include(x => x.DictionaryItem.DictionaryItemValues)
.Where(x => categoriesIds.Contains(x.CategoryId)).ToArrayAsync();
var categoryPropertiesIds = await Properties.Where(x => categoriesIds.Contains(x.CategoryId))
.Select(x => x.Id).ToArrayAsync();
var categoryProperties = await GetPropertiesByIdsAsync(categoryPropertiesIds);
}
}
}
return(result);
}
/// <summary>
/// Reduce category details according to response group
/// </summary>
/// <param name="category"></param>
/// <param name="respGroup"></param>
protected virtual void ReduceDetails(Category category, CategoryResponseGroup responseGroup)
{
if (!responseGroup.HasFlag(CategoryResponseGroup.WithImages))
{
category.Images = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithLinks))
{
category.Links = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithParents))
{
category.Parents = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithProperties))
{
category.Properties = null;
category.PropertyValues = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithOutlines))
{
category.Outlines = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithSeo))
{
category.SeoInfos = null;
}
}
public virtual Category[] GetByIds(string[] categoryIds, CategoryResponseGroup responseGroup, string catalogId = null)
{
var result = new List <Category>();
var preloadedCategoriesMap = PreloadCategories(catalogId);
foreach (var categoryId in categoryIds.Where(x => x != null))
{
Category category;
if (preloadedCategoriesMap.TryGetValue(categoryId, out category))
{
result.Add(MemberwiseCloneCategory(category));
}
}
//Reduce details according to response group
foreach (var category in result)
{
if (!responseGroup.HasFlag(CategoryResponseGroup.WithImages))
{
category.Images = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithLinks))
{
category.Links = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithParents))
{
category.Parents = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithProperties))
{
category.Properties = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithOutlines))
{
category.Outlines = null;
}
if (!responseGroup.HasFlag(CategoryResponseGroup.WithSeo))
{
category.SeoInfos = null;
}
}
return(result.ToArray());
}
