Sha256: 30b77afca5cda065abd1ce4af3af188a19a5ac749e78caee2103d915b8b27303
Contents?: true
Size: 717 Bytes
Versions: 7
Compression:
Stored size: 717 Bytes
Contents
class Cart < ActiveRecord::Base
has_many :cart_items, :dependent => :destroy do
def in_cart(variant)
find :first, :conditions => ['variant_id = ?', variant.id]
end
end
has_many :products, :through => :cart_items
def total
cart_items.inject(0) {|sum, n| n.price * n.quantity + sum}
end
def add_variant(variant, quantity=1)
current_item = cart_items.in_cart(variant)
if current_item
current_item.increment_quantity unless quantity > 1
current_item.quantity = (current_item.quantity + quantity) if quantity > 1
else
current_item = CartItem.new(:quantity => quantity, :variant => variant)
cart_items << current_item
end
current_item
end
end
Version data entries
7 entries across 7 versions & 1 rubygems