#--
# Copyright (c) 2007 Robert S. Thau, Smartleaf, Inc.
# 
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++
class LineItem < ActiveRecord::Base

  include Access::Controlled

  belongs_to :order
  belongs_to :offer

  # Set order before checking permission to set qty

  def self.attribute_block_set_groups
    super + [['order', 'order_id']]
  end

  validates_presence_of :order
  validates_presence_of :offer
  validates_inclusion_of :quantity, :in => 1..1000

  never_permit_anyone :to_update_attribute => [:order_id, :offer_id]
  require_privilege :edit, :on_associated => :order,
    :to_set_attribute => :quantity

end