Sha256: 045583680678be4f65a5e09732562c58189f686eab6eb317080b47f4158ceaec
Contents?: true
Size: 1.04 KB
Versions: 7
Compression:
Stored size: 1.04 KB
Contents
class Cart < ActiveRecord::Base
has_many :cart_items, :dependent => :destroy do
def in_cart(product, variation = nil)
if variation
find :first, :conditions => ['product_id = ? and variation_id = ?', product.id, variation.id]
else
find :first, :conditions => ['product_id = ?', product.id]
end
end
end
has_many :products, :through => :cart_items
def total
cart_items.inject(0) {|sum, n| n.price * n.quantity + sum}
end
def add_product(product, variation = nil)
current_item = cart_items.in_cart(product, variation)
if current_item
current_item.increment_quantity
else
current_item = CartItem.new(:quantity => 1, :product => product, :variation => variation)
cart_items << current_item
end
current_item
end
def remove_product(product, variation = nil)
current_item = cart_items.in_cart(product, variation)
if current_item.quantity > 1
current_item.decrement_quantity
else
CartItem.destroy(current_item.id)
end
current_item
end
end
Version data entries
7 entries across 7 versions & 2 rubygems