private static void Traverse(CategoryClass category, ref ShowLookUpObject lookupObj, ref List<ShowLookUpObject> slo)
{
if (category is Show)
{
if (category.CategoryId == lookupObj.SubCategoryId)
{
lookupObj.SubCategoryId = lookupObj.MainCategoryId;
lookupObj.SubCategory = lookupObj.MainCategory;
}
lookupObj.ShowId = category.CategoryId;
lookupObj.Show = category.CategoryName;
slo.Add(lookupObj);
}
else
{
var subcategories = category.CategoryClassSubCategories.Select(s => s.SubCategory).Where(s => s.StatusId == 1);
foreach (CategoryClass c in subcategories)
{
ShowLookUpObject lookupObj_t = new ShowLookUpObject();
lookupObj_t.MainCategoryId = lookupObj.MainCategoryId;
lookupObj_t.MainCategory = lookupObj.MainCategory;
var sub_category = category.CategoryClassSubCategories.Where(sc => sc.CategoryId == c.CategoryId).Single();
lookupObj_t.SubCategoryId = (lookupObj.SubCategoryId == null) ? sub_category.SubCategory.CategoryId : lookupObj.SubCategoryId;
lookupObj_t.SubCategory = (lookupObj.SubCategory == null) ? sub_category.SubCategory.CategoryName : lookupObj.SubCategory;
Traverse(c, ref lookupObj_t, ref slo);
}
}
}
public SortedSet<int> GetAllParentCategories(CategoryClass category, TimeSpan? CacheDuration = null)
{
SortedSet<int> parentCategoryList = null;
var cache = DataCache.Cache;
string cacheKey = "GAParentCat:Cat:" + category.CategoryId;
parentCategoryList = (SortedSet<int>)cache[cacheKey];
if (parentCategoryList == null)
{
parentCategoryList = new SortedSet<int>();
var parentCategories = category.CategoryClassParentCategories;
var categoryParentIds = parentCategories.Select(c => c.ParentId);
parentCategoryList.UnionWith(categoryParentIds);
foreach (var item in parentCategories)
{
var categoryIds = GetAllParentCategories(item.ParentCategory, CacheDuration);
if (categoryIds != null)
parentCategoryList.UnionWith(categoryIds);
}
cache.Put(cacheKey, parentCategoryList, CacheDuration != null ? (TimeSpan)CacheDuration : DataCache.CacheDuration);
}
return (parentCategoryList);
}
