gistfile1.rb

class PerspectivesController < ApplicationController
  # GET /perspectives
  # GET /perspectives.json
  def index
    @perspectives = Perspective.all
    unless params['perspective']
      @perspective = @perspectives.where(default: true).first || Perspective.new
    else
      @perspective = Perspective.new
    end

    respond_to do |format|
      format.html
      format.json { render json: @perspectives }
    end
  end

  # GET /perspectives/1
  # GET /perspectives/1.json
  def show
    @perspective = current_resource

    respond_to do |format|
      format.html
      format.json { render json: @perspective }
    end
  end

  # GET /perspectives/new
  # GET /perspectives/new.json
  def new
    @perspective = Perspective.new

    respond_to do |format|
      format.html
      format.json { render json: @perspective }
    end
  end

  # GET /perspectives/1/edit
  def edit
    @perspective = current_resource
  end

  # POST /perspectives
  # POST /perspectives.json
  def create
    @perspective = Perspective.new(params[:perspective])
    @perspective.user = current_user

    respond_to do |format|
      if @perspective.save
        format.html { redirect_to @perspective, notice: 'Perspective was successfully created.' }
        format.json { render json: @perspective, status: :created, location: @perspective }
      else
        format.html { render action: "new" }
        format.json { render json: @perspective.errors, status: :unprocessable_entity }
      end
    end
  end

  # PUT /perspectives/1
  # PUT /perspectives/1.json
  def update
    @perspective = current_resource

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

  # DELETE /perspectives/1
  # DELETE /perspectives/1.json
  def destroy
    @perspective = current_resource
    @perspective.destroy

    respond_to do |format|
      format.html { redirect_to perspectives_url, notice: 'Perspective was successfully deleted.' }
      format.json { head :no_content }
    end
  end

  # Allows manually sorting perspectives
  def sort
    params[:perspective].each_with_index do |id, index|
      Perspective.find(id).update_attribute(:position, index+1)
    end
    render nothing: true
  end

  private

    def current_resource
      @current_resource ||= Perspective.find(params[:id]) if params[:id]
    end
end