Module: Ibandit::IBANSplitter

Defined in:
lib/ibandit/iban_splitter.rb

Class Method Summary collapse

Class Method Details

.account_number_from(iban) ⇒ Object 



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# File 'lib/ibandit/iban_splitter.rb', line 50

def self.(iban)
  return unless decomposable?(iban)

  iban.slice(
    structure(iban)[:account_number_position] - 1,
    structure(iban)[:account_number_length],
  )
end

.bank_code_from(iban) ⇒ Object 



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# File 'lib/ibandit/iban_splitter.rb', line 31

def self.bank_code_from(iban)
  return unless decomposable?(iban)

  iban.slice(
    structure(iban)[:bank_code_position] - 1,
    structure(iban)[:bank_code_length],
  )
end

.branch_code_from(iban) ⇒ Object 



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# File 'lib/ibandit/iban_splitter.rb', line 40

def self.branch_code_from(iban)
  return unless decomposable?(iban) &&
    structure(iban)[:branch_code_length]&.positive?

  iban.slice(
    structure(iban)[:branch_code_position] - 1,
    structure(iban)[:branch_code_length],
  )
end

.check_digits_from(iban) ⇒ Object 



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# File 'lib/ibandit/iban_splitter.rb', line 25

def self.check_digits_from(iban)
  return unless decomposable?(iban)

  iban.slice(2, 2)
end

.country_code_from(iban) ⇒ Object

Component parts #



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# File 'lib/ibandit/iban_splitter.rb', line 19

def self.country_code_from(iban)
  return if iban.nil? || iban.empty?

  iban.slice(0, 2)
end

.decomposable?(iban) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ibandit/iban_splitter.rb', line 59

def self.decomposable?(iban)
  structure(iban) && iban.length == structure(iban)[:total_length]
end

.split(iban) ⇒ Object 



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# File 'lib/ibandit/iban_splitter.rb', line 5

def self.split(iban)
  {
    country_code: country_code_from(iban),
    check_digits: check_digits_from(iban),
    bank_code: bank_code_from(iban),
    branch_code: branch_code_from(iban),
    account_number: (iban),
  }
end

.structure(iban) ⇒ Object 



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# File 'lib/ibandit/iban_splitter.rb', line 63

def self.structure(iban)
  Ibandit.structures[country_code_from(iban)]
end