show method

ContentsController.rb

  def show

    @content = find_content
    @title = book_title   # just a string
    @comment = Comment.new
    
    # @comments_feed = @content.comments
    @contents_path = make_content_path(@content) # creates location path view
    @sections = Node.get_top_list  # table of contents view
    @node = @content.node

    # if @comments_feed != nil
    #   format.html { render 'show_with_comments' }
    #   format.xml  { render :xml => @content }
    #   format.js   
    # end
    respond_to do |format|
      format.html 
      format.xml  { render :xml => @content }
      format.js   
    end
  end

  private

# some what depreciated, I was messing around with the routing
  def find_content
    if params[:id] == nil
      content = Content.find_by_title(params[:title])
    else
      content = Content.find(params[:id])
    end
    return content
  end

  def book_title
    "Poker Book"
  end

# it creates a list of contents based on their hierarchical order
  def make_content_path(content)
    content_path = Array.new
    current_node = content.node
    current_node.get_node_path.each do | node |
      unless node.pnode_id == nil # skip super_parent
        content_path << node.content
      end
    end
    return content_path
  end