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Ruby gem for calculating iban out of account details.

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ibanizator Build Status

ibanizator calculates the iban for german accounts. The database that is used to convert a bank number to a BIC is taken from Deutsche Bundesbank.

Installation

Add this line to your application's Gemfile:

gem 'ibanizator'

Usage

Calculate IBAN

To calculate the iban for some german accounts, just use this method:

ibanizator = Ibanizator.new
ibanizator.calculate_iban country_code: :de, bank_code: '12345678', account_number: '123456789'

In the current version the ibanizator gem only works for german accounts.

Validate an IBAN

To validate the iban you need to check the length and after this check the checksum. For details please refer to the documentation online (e.g. http://es.wikipedia.org/wiki/IBAN).

This gem provides a simple validator for several contries. All countries that are listed in the Ibanizator::Iban::LENGTHS hash are supported at the moment.

    iban = Ibanizator.iban_from_string("DE68 2105 0170 0012 3456 78")
    iban.valid? # => true

Information provided by an IBAN

The Ibanizator::Iban class provides some handy utility methods to query information about an iban.

    iban = Ibanizator.iban_from_string("DE68 2105 0170 0012 3456 78")
    iban.country_code # => :DE

    # there is extended data for german ibans
    iban.extended_data.bank_code        # => "21050170"
    iban.extended_data.account_number   # => "12345678"
    iban.extended_data.bic              # => "NOLADE21KIE"

Find bank infos

If you need to get a bank name, bank code or a bic from a german bank and you have either a BIC or a bank code there is a bank db.

# find a bank by BIC
bank_1 = Ibanizator.bank_db.bank_by_bic('MARKDEF1100')
bank_1.name       # => 'BBk Berlin'
bank_1.bic        # => 'MARKDEF1100'
bank_1.bank_code  # => '10000000'

# find a bank by bank_code (de: Bankleitzahl)
bank_2 = Ibanizator.bank_db.bank_by_bank_code('100 000 00')
bank_2.name       # => 'BBk Berlin'
bank_2.bic        # => 'MARKDEF1100'
bank_2.bank_code  # => '10000000'

bank_3 = Ibanizator.bank_db.bank_by_bank_code('10000000')
bank_3.name       # => 'BBk Berlin'
bank_3.bic        # => 'MARKDEF1100'
bank_3.bank_code  # => '10000000'

bank_1 == bank_2  # => true
bank_2 == bank_3  # => true

bank_4 = Ibanizator.bank_db.bank_by_bic('OASPDE6AXXX')
bank_4 == bank_2  # => false

Licence

The code is availiable under the MIT-Licence

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Ruby gem for calculating iban out of account details.

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