app/controllers/store_controller.rb

   1 class StoreController < ApplicationController
   2   before_filter :find_cart, :except => :empty_cart
   3
   4   def index
   5     @products = Product.find_products_for_sale
   6 #    @cart = find_cart
   7   end
   8
   9   def add_to_cart
  10     product = Product.find(params[:id])
  11 #    @cart = find_cart
  12     @current_item = @cart.add_product(product)
  13       respond_to do |format|
  14         format.js if request.xhr?
  15         format.html {redirect_to_index}
  16       end
  17   rescue ActiveRecord::RecordNotFound
  18     logger.error("Attempt to access invalid product #{params[:id]}" )
  19     redirect_to_index('Invalid product')
  20   end
  21
  22   def empty_cart
  23     session[:cart] = nil
  24     redirect_to_index unless request.xhr?
  25   end
  26
  27   def checkout
  28 #    @cart = find_cart
  29     if @cart.items.empty?
  30       redirect_to_index("Your cart is empty" )
  31     else
  32       @order = Order.new
  33       @during_checkout = true
  34       respond_to do |format|
  35         format.js if request.xhr?
  36         format.html
  37       end
  38     end
  39   end
  40
  41   def save_order
  42 #    @cart = find_cart
  43     @order = Order.new(params[:order])
  44     # @order.add_line_items_from_cart(@cart)
  45     @cart.items.each do |item|
  46       li = LineItem.new
  47       li.product      = item.product
  48       li.quantity     = item.quantity
  49       li.total_price  = item.price
  50       @order.line_items << li
  51     end
  52     if @order.save
  53       session[:cart] = nil
  54       redirect_to_index("Thank you for your order")
  55     else
  56       render :action => 'checkout'
  57     end
  58     @during_checkout = false
  59   end
  60
  61
  62 protected
  63
  64   # No authorization needed for the store
  65   def authorize
  66   end
  67
  68  private
  69
  70   def find_cart
  71     @cart = (session[:cart] ||= Cart.new)
  72   end
  73
  74   def redirect_to_index(msg = nil)
  75     flash[:notice] = msg if msg
  76     redirect_to :action => 'index'
  77   end
  78
  79 end