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# frozen_string_literal: true
require_relative 'array_utils'
require_relative 'random_utils'
require_relative 'unique_utils'
module FFaker
module ModuleUtils
include RandomUtils
def k(arg)
FFaker::ArrayUtils.const_array(arg)
end
def const_missing(const_name)
if const_name.match?(/[a-z]/) # Not a constant, probably a class/module name.
super
else
mod_name = ancestors.first.to_s.split('::').last
data_path = "#{FFaker::BASE_LIB_PATH}/ffaker/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
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
def unique(max_retries = 10_000)
FFaker::UniqueUtils.add_instance(self, max_retries)
end
# http://en.wikipedia.org/wiki/Luhn_algorithm
def luhn_check(number)
sum = number.chars
.map(&:to_i)
.reverse
.each_with_index
.sum { |digit, index| index.even? ? (2 * digit).digits.sum : digit }
((10 - (sum % 10)) % 10).to_s
end
end
end
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