# File lib/acts_as_price.rb, line 14
14:         def acts_as_price column_name, options = {}
15:           validates column_name, :presence => true, :numericality => {:greater_than => 0} if options[:validates] == true
16:           
17:           #setters
18:           define_method("#{column_name}=") do |val|
19:             super((val.to_f * 100).to_s)
20:           end
21:           alias_method("price=", "#{column_name}=")
22:           
23:           define_method("price_in_cents=") do |val|
24:             self.send("price=", val.to_f / 100)
25:           end
26:           alias_method "#{column_name}_in_cents=", "price_in_cents="
27:           
28:           #getters
29:           define_method(column_name) do
30:             if super == 0.0
31:               ""
32:             else
33:               sprintf("%.2f", super.to_f / 100)
34:             end
35:           end
36:           alias_method "price", column_name
37:           
38:           define_method("price_in_cents") {((send column_name).to_f * 100).to_s.to_i}
39:           alias_method "#{column_name}_in_cents", "price_in_cents"
40:         end