faq/app/controllers/admin/faqs_controller.rb

class Admin::FaqsController < OrbitAdminController

  before_filter :setup_vars

  def index
    @table_fields = [:status,:category,:title,:tags]
    @categories = @module_app.categories
    @tags = @module_app.tags
    @filter_fields = filter_fields(@categories, @tags)

    @qas = Qa.order_by(sort)
                        .with_categories(filters("category"))
                        .with_tags(filters("tag"))
                        .with_status(filters("status"))

    @qas = search_data(@qas,[:title]).page(params[:page]).per(10)

    render :partial => "index" if request.xhr?
  end

  def new
    @qa = Qa.new
    @tags = @module_app.tags
    @categories = @module_app.categories
    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @qa }
    end
  end 

  def create
    @qa = Qa.new(create_params)
    @qa.create_user_id = current_user.id
    @qa.update_user_id = current_user.id
    @qa.save
    redirect_to params['referer_url']
  end

  def edit
    @qa = Qa.find(params[:id])
    if can_edit_or_delete?(@qa)
      @tags = @module_app.tags
      @categories = @module_app.categories
    else
      render_401
    end
  end

  def update
    @qa = Qa.find(params[:id])
    @qa.update_attributes(create_params)
    @qa.update_user_id = current_user.id
    @qa.save
    redirect_to params['referer_url']
  end

  def destroy
    @qa = Qa.find(params[:id])
    @qa.destroy
    redirect_to admin_faqs_path
  end

  def order
    empty_position_qas = Qa.where(:order_position => nil)
    if empty_position_qas.count > 0 
      max_position = Qa.max(:order_position)
      max_position = 0 if max_position.nil?
      empty_position_qas.each_with_index do |epl,i|
        epl.order_position = i + max_position
        epl.save
      end
    end
    @qas = Qa.all.asc(:order_position)
  end

  def updateorder
    ids_with_order = params[:order]
    ids_with_order.each_with_index do |id,index|
      qa = Qa.find(id) rescue nil
      if !qa.nil?
        qa.order_position = index
        qa.save
      end
    end
    render :json => {"success" => true}.to_json
  end

  private
  def setup_vars
    @module_app = ModuleApp.where(:key => "faq").first
  end

  def create_params
    params.require(:qa).permit!
  end
end