Contents

module Redshop
  class AddToCart
    def initialize(cart, product)
      @cart = cart
      @product = product
    end
    
    def call
      if product_added?
        # increment quantity of this product in the cart
        $redis.hincrby(@cart, @product, 1)
      else
        # create cart(hash) and put the one product
        $redis.hset(@cart, @product, 1)
      end

      increment_cart_count
    end



    private

    def product_added?
      # if a product already has been added in a cart 
      true if $redis.hexists(@cart, @product)
    end

    def increment_cart_count
      CartCountService.new(@cart).increment
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
redshop-0.0.1	app/services/redshop/add_to_cart.rb