Sha256: 6fbe8511aea3bf6251faf31f243ed6e29c44c9f5662a996c83e52f99cfa03837
Contents?: true
Size: 1.48 KB
Versions: 10
Compression:
Stored size: 1.48 KB
Contents
class Payment < ActiveRecord::Base
def self.columns() @columns ||= []; end
def self.column(name, sql_type = nil, default = nil, null = true)
columns << ActiveRecord::ConnectionAdapters::Column.new(name.to_s, default, sql_type.to_s, null)
end
class CreditCard < Payment
column :cc_number, :string
column :cc_exp_year, :string
column :cc_exp_month, :string
column :cvv, :string
def cvv_valid?
self.cvv =~ Format::CVV_REGEX ? true : false
end
# This is one way to do a custom validation.
def self.validates_credit_card(*attr_names)
validates_each(attr_names) do |record, attr_name, value|
unless passes_mod_10?(value.to_s)
record.errors.add(attr_name, "Credit card expiration month is invalid")
end
end
end
def self.passes_mod_10?(number)
return false unless number.to_s.length >= 13
sum = 0
for i in 0..number.length
weight = number[-1 * (i + 2), 1].to_i * (2 - (i % 2))
sum += (weight < 10) ? weight : weight - 9
end
(number[-1,1].to_i == (10 - sum % 10) % 10)
end
validates_inclusion_of :cc_exp_year, :in=>%w( 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 ), :message=>"Credit card expiration year is invalid"
validates_inclusion_of :cc_exp_month, :in=>%w( 01 02 03 04 05 06 07 08 09 10 11 12 ), :message=>"Credit card expiration month is invalid"
validates_credit_card :cc_number
end
class Check < Payment
end
end
Version data entries
10 entries across 10 versions & 2 rubygems