Noosfero/noosfero

module DisplayContentPluginController
  def index
    block = boxes_holder.blocks.find(params[:block_id])

    articles = block.articles_of_parent(params[:id])
    data = []
    data = data + get_node(block, articles)
    render json: data
  end

  protected

    def get_node(block, articles)
      nodes = []
      articles.map do |article|
        node = {}
        node[:data] = article.title
        node[:attr] = { "node_id" => article.id, "parent_id" => article.parent_id }
        if block.nodes.include?(article.id)
          node[:attr].merge!("class" => "jstree-checked")
        elsif block.parent_nodes.include?(article.id)
          node[:children] = get_node(block, article.children)
          node[:attr].merge!("class" => "jstree-undetermined")
        end
        node[:state] = "closed" if Article.exists?(parent_id: article.id)
        nodes.push(node)
      end
      nodes
    end
end