Sha256: 7b0ef105869c83ca09fc50a736f777a957362bd59f41c692ae37ec28e3250459
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Size: 1.35 KB
Versions: 31
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Stored size: 1.35 KB
Contents
module Piggybak
class LineItem < ActiveRecord::Base
belongs_to :order
acts_as_changer
belongs_to :variant
validates_presence_of :variant_id
validates_presence_of :total
validates_presence_of :price
validates_presence_of :description
validates_presence_of :quantity
validates_numericality_of :quantity, :only_integer => true, :greater_than_or_equal_to => 0
after_create :decrease_inventory, :if => Proc.new { |line_item| !line_item.variant.unlimited_inventory }
after_destroy :increase_inventory, :if => Proc.new { |line_item| !line_item.variant.unlimited_inventory }
after_update :update_inventory, :if => Proc.new { |line_item| !line_item.variant.unlimited_inventory }
def admin_label
"#{self.quantity} x #{self.variant.description}"
end
def decrease_inventory
self.variant.update_inventory(-1 * self.quantity)
end
def increase_inventory
self.variant.update_inventory(self.quantity)
end
def update_inventory
if self.variant_id != self.variant_id_was
old_variant = Variant.find(self.variant_id_was)
old_variant.update_inventory(self.quantity_was)
self.variant.update_inventory(-1*self.quantity)
else
quantity_diff = self.quantity_was - self.quantity
self.variant.update_inventory(quantity_diff)
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems