Sha256: 6dd3ab0af3d128c4528d37361f178ce2e6ef42858949316c0b0cdfbdc9800aa9
Contents?: true
Size: 825 Bytes
Versions: 22
Compression:
Stored size: 825 Bytes
Contents
class Ibanizator
class Iban
class Validator
attr_reader :iban
def initialize(iban)
@iban = iban.to_s
end
def validate
valid_length? && valid_checksum?
end
private
def valid_length?
return false if iban.length <= 4 # two digits for the country code and two for the checksum
country_code = iban[0..1].upcase.to_sym
iban.length == LENGTHS[country_code]
end
def valid_checksum?
number_representation = integerize(reorder(iban))
number_representation % 97 == 1
end
def reorder(iban)
"#{iban[4..-1]}#{iban[0..3]}"
end
def integerize(iban)
iban.gsub(/[A-Z]/) do |match|
match.ord - 'A'.ord + 10
end.to_i
end
end
end # Iban
end # Ibanizator
Version data entries
22 entries across 22 versions & 1 rubygems