Thu-SaaS-CloudComputing/CloudComputing

class TopicsController < ApplicationController
  # GET /topics
  # GET /topics.json
  def index
    all_topics = Topic.all
    @topics = Array.new
    all_topics.each do |topic|
      if topic.parent == 0
        @topics << topic
      end
    end

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @topics }
    end
  end

  # GET /topics/1
  # GET /topics/1.json
  def show
    @topic = Topic.find(params[:id])
    @topics_tree = @topic.generate_topic_tree

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @topic }
    end
  end

  # GET /topics/new
  # GET /topics/new.json
  def new
    @topic = Topic.new

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @topic }
    end
  end

  # GET /topics/1/edit
  #def edit
  #  @topic = Topic.find(params[:id])
  #end

  # POST /topics
  # POST /topics.json
  #def create
  #  @topic = Topic.new(params[:topic])
  #
  #  respond_to do |format|
  #    if @topic.save
  #      format.html { redirect_to @topic, notice: 'Topic was successfully created.' }
  #      format.json { render json: @topic, status: :created, location: @topic }
  #    else
  #      format.html { render action: "new" }
  #      format.json { render json: @topic.errors, status: :unprocessable_entity }
  #    end
  #  end
  #end

  # PUT /topics/1
  # PUT /topics/1.json
  #def update
  #  @topic = Topic.find(params[:id])

  #  respond_to do |format|
  #    if @topic.update_attributes(params[:topic])
  #      format.html { redirect_to @topic, notice: 'Topic was successfully updated.' }
  #      format.json { head :no_content }
  #    else
  #      format.html { render action: "edit" }
  #      format.json { render json: @topic.errors, status: :unprocessable_entity }
  #    end
  #  end
  #end

  # DELETE /topics/1
  # DELETE /topics/1.json
  #def destroy
  #  @topic = Topic.find(params[:id])
  #  @topic.destroy

  #  respond_to do |format|
  #    format.html { redirect_to topics_url }
  #    format.json { head :no_content }
  #  end
  #end
end