class Ibanizator
Public Class Methods
bank_db()
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# File lib/ibanizator.rb, line 7 def self.bank_db @bank_db ||= BankDb.new end
iban_from_string(a_string)
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# File lib/ibanizator.rb, line 11 def self.iban_from_string(a_string) Iban.from_string(a_string) end
Public Instance Methods
calculate_checksum(bank_code, account_number, country_code_num)
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# File lib/ibanizator.rb, line 38 def calculate_checksum(bank_code, account_number, country_code_num) x = (bank_code + account_number + country_code_num + '00').to_i % 97 checksum = (98 - x).to_s checksum.length == 1 ? checksum.insert(0, '0') : checksum end
calculate_iban(options)
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# File lib/ibanizator.rb, line 15 def calculate_iban(options) # rubocop:disable Metrics/AbcSize # Error handling # TODO # delete spaces options[:account_number] = options[:account_number].to_s.gsub(/\s+/, '') options[:bank_code] = options[:bank_code].to_s.gsub(/\s+/, '') # Fill account number to 10 digits while options[:account_number].size < 10 options[:account_number] = options[:account_number].rjust(10, '0') end country_code_num = character_to_digit options[:country_code].to_s checksum = calculate_checksum options[:bank_code], options[:account_number], country_code_num options[:country_code].to_s.upcase + checksum + options[:bank_code] + options[:account_number] end
character_to_digit(char)
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# File lib/ibanizator.rb, line 34 def character_to_digit(char) char.upcase.split('').inject('') { |code, c| code + (c.ord - 55).to_s } end