public static CategoryHierarchyDto Compose(List<DetailedSubCategoryDto> data)
{
var result = new CategoryHierarchyDto();
var categoryIds = data.Select(s => s.CategoryId).Distinct().ToList();
categoryIds.ForEach(id =>
{
var category = data.First(f => f.CategoryId == id);
var hierarchy = new Hierarchy
{
Id = category.CategoryId,
Text = category.CategoryName
};
hierarchy.AddAttribute("Description", category.Description);
var subCategories = data.Where(f => f.CategoryId == id).ToList();
subCategories.ForEach(s =>
{
var subHierarchy = new Hierarchy
{
Id = s.SubCategoryId,
Text = s.SubCategoryName
};
hierarchy.Items.Add(subHierarchy);
});
result.Items.Add(hierarchy);
});
return result;
}