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intelekshual/expiration_date_validator.rb

Created April 7, 2011 21:14
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credit card expiration date validator
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expiration_date_validator.rb
class ExpirationDateValidator < ActiveModel::EachValidator
def validate_each(object, attribute, value)
expiration_date, today = value, Date.today
if today.year > expiration_date.year || today.month > expiration_date.month
object.errors[attribute] << (options[:message] || "is not valid")
end
end
end
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