Module: IbanBic

Defined in:
lib/iban_bic/core.rb,
lib/iban_bic/engine.rb,
lib/iban_bic/version.rb,
lib/iban_bic/configuration.rb,
lib/generators/iban_bic/install_generator.rb

Defined Under Namespace

Classes: Configuration, Engine, InstallGenerator

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.bics ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 71

def bics
  configuration.static_bics? ? static_bics : dynamic_bics
end

.calculate_bic(iban) ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 43

def calculate_bic(iban)
  country = iban[0..1]
  parts = parse(iban)
  return nil unless parts&.fetch(:bank, nil)

  bics.dig(country, parts[:bank])
end

.calculate_check(iban) ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 23

def calculate_check(iban)
  98 - "#{iban[4..-1]}#{iban[0..3]}".each_char.map do |char|
    case char
    when "0".."9" then char
    when "A".."Z" then (char.ord - 55).to_s
    else raise ArgumentError, "Invalid IBAN format"
    end
  end .join.to_i % 97
end

.clear_cache ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 51

def clear_cache
  @parser = @static_bics = @dynamic_bics = nil
end

.configuration ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 6

def configuration
  @configuration ||= Configuration.new
end

.configure ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 10

def configure
  configuration.instance_eval(&Proc.new)
end

.dynamic_bics ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 81

def dynamic_bics
  @dynamic_bics ||= begin
    ret = {}
    Bic.find_each do |bic|
      ret[bic.country] = {} unless ret[bic.country]
      ret[bic.country][bic.bank_code] = bic.bic
    end
    ret.freeze
  end
end

.has_tags?(iban, searched_tags) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/iban_bic/core.rb', line 19

def has_tags?(iban, searched_tags)
  (tags[iban[0..1]] & searched_tags).any?
end

.parse(iban) ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 14

def parse(iban)
  parts = parser[iban[0..1]]&.match(iban)
  parts ? ActiveSupport::HashWithIndifferentAccess[parts.names.zip(parts.captures)] : nil
end

.parser ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 55

def parser
  @parser ||= Hash[
    ::YAML.load_file(configuration.iban_meta_path).map do |country, meta|
      [country, /^(?<country>#{country})#{meta["parts"].delete(" ")}$/]
    end
  ].freeze
end

.static_bics ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 75

def static_bics
  @static_bics ||= Hash[Dir.glob(File.join(configuration.static_bics_path, "*.yml")).map do |file|
    [File.basename(file).delete(".yml").upcase, YAML.load_file(file)]
  end].freeze
end

.tags ⇒ Object 



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# File 'lib/iban_bic/core.rb', line 63

def tags
  @tags ||= Hash[
    ::YAML.load_file(configuration.iban_meta_path).map do |country, meta|
      [country, meta["tags"]&.split&.map(&:to_sym) || []]
    end
  ].freeze
end

.valid_check?(iban) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/iban_bic/core.rb', line 33

def valid_check?(iban)
  calculate_check(iban) == 97
end

.valid_country_check?(iban) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/iban_bic/core.rb', line 37

def valid_country_check?(iban)
  parts = parse(iban)
  validator = IbanBic.configuration.country_validators[parts[:country]]
  validator.nil? || validator.call(parts)
end