Sort Categories by name

Thanks, @david! That was a huge help.

This will find all categories that match search and sort them and the subcategories that they contain.

  def sort_matching_subcategories(search)
    categories = Category.where("name like ?", search)
    position = 100
    categories.order(:name).each do |cat|
      position += 1
      cat.position = position
      cat.save!()
      c_position = 0
      children = Category.where(:parent_category_id=>cat.id)
      children.order(:name).each do |c|
        c_position += 1
        c.position = c_position
        c.save!()
      end
    end
  end