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# File 'lib/invoicexpress/models/purchase_order.rb', line 9
def self.included(base)
base.class_eval do
include HappyMapper
tag 'purchase_order'
element :id, Integer
element :date, Date, :on_save => DATE_FORMAT
element :due_date, Date, :on_save => DATE_FORMAT
element :loaded_at, Date, :on_save => DATE_FORMAT
element :observations, String
element :delivery_site, String
has_one :supplier, Supplier
has_one :client, Client
has_many :items, Item, :on_save => Proc.new { |value|
Items.new(:items => value)
}
end
end
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