public IEnumerable <SubcategoryViewModel> GetAllSubcategories(int categoryId, string searchTerm = "")
{
if (string.IsNullOrEmpty(searchTerm))
{
var subcategories = _iSubcategoryRepository.GetAllByCategoryId(categoryId).Select(x => x.ToViewModel());
return(subcategories);
}
var subcategoriesByTerm = _iSubcategoryRepository.GetAllByCategoryIdAndSearchTerm(categoryId, searchTerm)
.Select(x => x.ToViewModel());
return(subcategoriesByTerm);
}