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Contents
module Ibandit
class PseudoIBANSplitter
def initialize(pseudo_iban)
@pseudo_iban = pseudo_iban
end
def split
return unless decomposable?
{
country_code: country_code,
bank_code: bank_code,
branch_code: branch_code,
account_number: account_number
}
end
private
def country_code
@pseudo_iban.slice(0, 2)
end
def check_digits
@pseudo_iban.slice(2, 2)
end
def bank_code
pseudo_iban_part(bank_code_start_index, :pseudo_iban_bank_code_length)
end
def branch_code
pseudo_iban_part(branch_code_start_index,
:pseudo_iban_branch_code_length)
end
def account_number
pseudo_iban_part(account_number_start_index,
:pseudo_iban_account_number_length)
end
def pseudo_iban_part(start_index, length_key)
length = structure.fetch(length_key)
return if length == 0
@pseudo_iban.slice(start_index, length).gsub(/\AX+/, '')
end
def bank_code_start_index
4
end
def branch_code_start_index
bank_code_start_index + structure.fetch(:pseudo_iban_bank_code_length)
end
def account_number_start_index
branch_code_start_index + structure.fetch(:pseudo_iban_branch_code_length)
end
def expected_length
account_number_start_index +
structure.fetch(:pseudo_iban_account_number_length)
end
def decomposable?
country_code_valid? && check_digits_valid? && correct_length?
end
def country_code_valid?
Constants::PSEUDO_IBAN_COUNTRY_CODES.include?(country_code)
end
def check_digits_valid?
check_digits == Constants::PSEUDO_IBAN_CHECK_DIGITS
end
def correct_length?
@pseudo_iban.length == expected_length
end
def structure
Ibandit.structures[country_code]
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems