Contents

class CartItem < ActiveRecord::Base
  belongs_to :variant
  belongs_to :cart
  
  validates_presence_of :variant, :quantity
  validates_numericality_of :quantity, :only_integer => true, :message => "must be an integer"
  
  def validate
    unless quantity && quantity >= 0
      errors.add(:quantity, "must be a positive value")
    end
    unless quantity <= 100000
      errors.add(:quantity, "is too large")
    end
  end
  
  def increment_quantity
    self.quantity += 1
  end

  def decrement_quantity
    self.quantity -= 1
  end
  
  def price
    self.variant.price
  end
  
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
spree-0.2.0	app/models/cart_item.rb