#---
# Excerpted from "Agile Web Development with Rails",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose.
# Visit http://www.pragmaticprogrammer.com/titles/rails4 for more book information.
#---
#---
# Excerpted from "Agile Web Development with Rails, 4rd Ed.",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material, 
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails4 for more book information.
#---
class OrdersController < ApplicationController
    skip_before_filter :authorize, :only => [:new, :create]

  # GET /orders
  # GET /orders.xml
  def index
    @orders = Order.paginate :page=>params[:page], :order=>'created_at desc',
      :per_page => 10

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @orders }
    end
  end

  # GET /orders/1
  # GET /orders/1.xml
  def show
    @order = Order.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @order }
    end
  end

  # GET /orders/new
  # GET /orders/new.xml
  def new
    @cart = current_cart
    if @cart.line_items.empty?
      redirect_to store_url, :notice => "Your cart is empty"
      return
    end
    @order = Order.new

    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @order }
    end
  end

  # GET /orders/1/edit
  def edit
    @order = Order.find(params[:id])
  end

  # POST /orders
  # POST /orders.xml
  def create
    @order = Order.new(params[:order])
    @order.add_line_items_from_cart(current_cart)

    respond_to do |format|
      if @order.save
        Cart.destroy(session[:cart_id])
        session[:cart_id] = nil
        Notifier.order_received(@order).deliver
        format.html { redirect_to(store_url, :notice => 
          'Thank you for your order.') }
        format.xml  { render :xml => @order, :status => :created,
          :location => @order }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @order.errors,
          :status => :unprocessable_entity }
      end
    end
  end

  # PUT /orders/1
  # PUT /orders/1.xml
  def update
    @order = Order.find(params[:id])

    respond_to do |format|
      if @order.update_attributes(params[:order])
        format.html { redirect_to(@order, :notice => 'Order was successfully updated.') }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @order.errors, :status => :unprocessable_entity }
      end
    end
  end

  # DELETE /orders/1
  # DELETE /orders/1.xml
  def destroy
    @order = Order.find(params[:id])
    @order.destroy

    respond_to do |format|
      format.html { redirect_to(orders_url) }
      format.xml  { head :ok }
    end
  end
end