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;
}
public static IEnumerable <HomePageCategoryViewModel> FromHierachicalTemplate(CategoryHierarchyDto data)
{
foreach (var category in data.Items)
{
var vm = new HomePageCategoryViewModel
{
Id = category.Id,
Name = category.Text,
Description = category.Attributes["Description"]
};
if (category.Items.Any())
{
vm.SubItems = category.Items.Select(s => new SubCategoryViewModel
{
Id = s.Id,
Name = s.Text
}).ToList();
}
yield return(vm);
}
}