public async Task <CategoryTreeRootBM> GetCategoryTreeAsync(string languageCode)
{
IEnumerable <LocalizedCategoryBM> categories = await categoryDataManager.GetAllAsync(languageCode);
IReadOnlyDictionary <CategoryIdBM, int> productCount = await productDataManager.GetNumberOfProductsInCategoriesAsync(
categories.Select(x => x.CategoryId).ToArray()
);
IEnumerable <CategoryTreeNodeBM> childNodes = BuildNode(categories, null, productCount);
return(new CategoryTreeRootBM(childNodes, languageCode));
}
