public GetChildWebCategoriesRequest(GetChildWebCategoriesRequest request)
{
this.WebID = request.WebID;
this.TopCategoryID = request.TopCategoryID;
this.GetAllChildCategories = request.GetAllChildCategories;
this.NestedType = request.NestedType;
}
/// <summary>
/// Gets web categories for the specified parentCategoryID
/// </summary>
/// <param name="request"></param>
/// <param name="categoryList">(DO NOT USE)Internal variable used to pass master list of categories for recursive calls. </param>
/// <returns></returns>
public static List <WebCategory> GetChildWebCategories(GetChildWebCategoriesRequest request, List <WebCategory> categoryList = null)
{
// get all categories
var allCategories = categoryList ?? GetAllWebCategories(request.WebID);
// get the children
var webCategories = allCategories
.Where(c => c.ParentID == request.TopCategoryID)
// adds sort order upon getting the initial list of child categories.
// If sorting at any point after this, sort order is not guaranteed across parent/child
.OrderBy(c => c.SortOrder)
.ToList();
// if requesting all children: populate children recursively
if (request.GetAllChildCategories)
{
// create a temp list for holding grandchildren
var childCategories = new List <WebCategory>();
// get the children of each child (grandchildren)
foreach (var child in webCategories)
{
// set up request to get grandchildren
var grandchildRequest = new GetChildWebCategoriesRequest(request);
grandchildRequest.TopCategoryID = child.WebCategoryID;
var grandchildren = ExigoDAL.GetChildWebCategories(grandchildRequest, allCategories);
// if flat list is requested: Add to a temporary list
if (request.NestedType == NestedType.UniLevel)
{
childCategories.AddRange(grandchildren);
}
// if nesting is requested: add grandchildren to the child's subcategories
if (request.NestedType == NestedType.Nested)
{
child.Subcategories = grandchildren;
}
}
// if flat list is requested: add temp list of grandchildren to our original list.
if (request.NestedType == NestedType.UniLevel)
{
webCategories.AddRange(childCategories);
}
}
// return children
return(webCategories);
}
