Contents

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose.
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class Cart
  include Amrita2::DictionaryData

  attr_reader :items

  def initialize
    @items = []
  end


  def add_product(product)
    current_item = @items.find {|item| item.product == product}
    if current_item
      current_item.increment_quantity
    else
      current_item = CartItem.new(product)
      @items << current_item
    end
    current_item
  end


  def total_items
    @items.sum { |item| item.quantity }
  end


  def total_price
    @items.sum { |item| item.price }
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
amrita2-2.0.0	sample/depot/app/models/cart.rb
amrita2-2.0.1	sample/depot/app/models/cart.rb
amrita2-2.0.2	sample/depot/app/models/cart.rb