Sha256: 7e87dabdd5e9da9c82ffe5ef44fdc7ee652e9de2d50e082e32c2be3c1a799eec
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Size: 1.14 KB
Versions: 6
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Stored size: 1.14 KB
Contents
class LineItem < ActiveRecord::Base
before_validation :adjust_quantity
belongs_to :order
belongs_to :variant
has_one :product, :through => :variant
validates_presence_of :variant
validates_numericality_of :quantity, :only_integer => true, :message => "must be an integer"
validates_numericality_of :price
attr_accessible :quantity
def validate
unless quantity && quantity >= 0
errors.add(:quantity, "must be a non-negative value")
end
# avoid reload of order.inventory_units by using direct lookup
unless Spree::Config[:allow_backorders] ||
order && InventoryUnit.order_id_equals(order).first.present? ||
variant && quantity <= variant.on_hand
errors.add(:quantity, " is too large-- stock on hand cannot cover requested quantity!")
end
end
def increment_quantity
self.quantity += 1
end
def decrement_quantity
self.quantity -= 1
end
def total
self.price * self.quantity
end
alias amount total
def adjust_quantity
self.quantity = 0 if self.quantity.nil? || self.quantity < 0
end
end
Version data entries
6 entries across 6 versions & 2 rubygems