spacejam.rb

class SpaceJam

  def index(item)
    if item.is_a?(Hash)
      key = item['name']
      items[key] = item
      increment_name(key)
      if item['children']
        item['children'].each do |child|
          index(child)
        end
      end
    end
  end

  def populate_hash_table
    METADATA_STRUCTURE['children'].each do |child|
      index(child)
    end
  end

  def increment_name(name)
    count = names[name]
    if count.nil?
      names[name] = 1
    else
      names[name] = count + 1
    end
  end

  def names
    @names ||= {}
  end

  def items
    @items ||= {}
  end

end