Module: FFakerTW::ModuleUtils

Includes:
RandomUtils
Included in:
FFakerTW, AWS, AddressTW, Airline, AnimalTW, Avatar, BaconIpsum, Bank, Book, Boolean, CheesyLingo, Code, Color, Company, CompanyTW, Conference, CoursesFR::Mathematiques, CoursesFR::Philosophie, Currency, DizzleIpsum, EducationTW, Filesystem, Food, FreedomIpsum, Game, GenderTW, Geolocation, Guid, HTMLIpsum, HealthcareIpsum, HipsterIpsum, IdentificationTW, Image, Internet, JobTW, Locale, LoremTW, Movie, Music, Name, NameTW, NatoAlphabet, Number, PhoneNumberTW, Product, SSN, SemVer, Skill, Sport, String, Time, Tweet, Unit, UnitMetric, Vehicle, Vehicle::VIN, Venue, Youtube
Defined in:
lib/ffakerTW/utils/module_utils.rb

Instance Method Summary collapse

Methods included from RandomUtils

#fetch_sample, #rand, #shuffle

Instance Method Details

#const_missing(const_name) ⇒ Object 



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# File 'lib/ffakerTW/utils/module_utils.rb', line 15

def const_missing(const_name)
  if const_name =~ /[a-z]/ # Not a constant, probably a class/module name.
    super const_name
  else
    mod_name = ancestors.first.to_s.split('::').last
    data_path = "#{FFakerTW::BASE_LIB_PATH}/ffakerTW/data/#{underscore(mod_name)}/#{underscore(const_name.to_s)}"
    data = k File.read(data_path, mode: 'r:UTF-8').split("\n")
    const_set const_name, data
    data
  end
end

#k(arg) ⇒ Object 



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# File 'lib/ffakerTW/utils/module_utils.rb', line 11

def k(arg)
  FFakerTW::ArrayUtils.const_array(arg)
end

#luhn_check(number) ⇒ Object

en.wikipedia.org/wiki/Luhn_algorithm



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# File 'lib/ffakerTW/utils/module_utils.rb', line 40

def luhn_check(number)
  multiplications = []

  number.split(//).each_with_index do |digit, i|
    multiplications << i.even? ? digit.to_i * 2 : digit.to_i
  end

  sum = 0
  multiplications.each do |num|
    num.to_s.each_byte do |character|
      sum += character.chr.to_i
    end
  end

  control_digit = (sum % 10).zero? ? 0 : (sum / 10 + 1) * 10 - sum
  control_digit.to_s
end

#underscore(string) ⇒ Object 



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# File 'lib/ffakerTW/utils/module_utils.rb', line 27

def underscore(string)
  string.gsub(/::/, '/')
        .gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
        .gsub(/([a-z\d])([A-Z])/, '\1_\2')
        .tr('-', '_')
        .downcase
end

#unique(max_retries = 10_000) ⇒ Object 



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# File 'lib/ffakerTW/utils/module_utils.rb', line 35

def unique(max_retries = 10_000)
  @unique_generator ||= FFakerTW::UniqueUtils.new(self, max_retries)
end