Module: BLZ

Defined in:

lib/blz.rb,
lib/blz/bank.rb

Overview

Copyright © 2012 Oliver Eilhard

This library is freely distributable under the terms of an MIT-style license. See COPYING or www.opensource.org/licenses/mit-license.php.

Provides information about “Bankleitzahlen” (BLZ), a bank identifier code system used by German and Austrian banks.

Defined Under Namespace

Classes: Bank

Constant Summary

DATA_FILE =

TODO (dmke 2014/09/08): Extract data files into a blz-data gem and

move finder logic over there

begin
  now  = Time.now
  glob = Dir[ File.join(File.dirname(__FILE__), '../data/*.tsv.gz') ].sort

  file2time = proc do |f|
    match = f.match /(?<y>\d{4})_(?<m>\d\d)_(?<d>\d\d)\.tsv\.gz$/
    Time.new match[:y], match[:m], match[:d]
  end

  filename = glob.find {|c| now <= file2time[c] } || glob.last

  # sanity check
  t = file2time[filename]
  if t < Time.new(2013, 12, 9) || now > t + (90 * 24 * 60 * 60)
    warn '[BLZ] The data provided may not be accurate.'
  end

  filename
end