Module: Uniqueness

Defined in:
lib/uniqueness/model.rb,
lib/uniqueness/engine.rb,
lib/uniqueness/version.rb,
lib/uniqueness/generator.rb

Defined Under Namespace

Modules: Model Classes: Engine

Constant Summary collapse

VERSION = 
'1.0.0'.freeze

Class Method Summary collapse

Class Method Details

.generate(opts = {}) ⇒ Object 



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# File 'lib/uniqueness/generator.rb', line 5

def generate(opts = {})
  options ||= {}
  options = uniqueness_default_options.merge(opts)
  dict = uniqueness_dictionary - options[:blacklist]
  dict -= [*(:A..:Z)].map(&:to_s) unless options[:case_sensitive]
  dict -= uniqueness_ambigious_dictionary if options[:type].to_sym == :human
  dict = uniqueness_numbers_dictionary if options[:type].to_sym == :numbers
  code = Array.new(options[:length]).map { dict[SecureRandom.random_number(dict.length)] }.join
  "#{options[:prefix]}#{code}#{options[:suffix]}"
end

.uniqueness_ambigious_dictionary ⇒ Object 



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# File 'lib/uniqueness/generator.rb', line 21

def uniqueness_ambigious_dictionary
  [:b, :B, :o, :O, :q, :i, :I, :l, :L, :s, :S, :u, :U, :z, :Z, :g, 1, 2, 9, 5].map(&:to_s)
end

.uniqueness_default_options ⇒ Object

Default sorting options



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# File 'lib/uniqueness/generator.rb', line 30

def uniqueness_default_options
  {
    length: 32,
    type: :auto,
    blacklist: [],
    scope: [],
    suffix: '',
    prefix: ''
  }
end

.uniqueness_dictionary ⇒ Object

Dictionary used for uniqueness generation



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# File 'lib/uniqueness/generator.rb', line 17

def uniqueness_dictionary
  [*(:A..:Z), *(:a..:z), *(0..9)].map(&:to_s)
end

.uniqueness_numbers_dictionary ⇒ Object 



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# File 'lib/uniqueness/generator.rb', line 25

def uniqueness_numbers_dictionary
  [*(0..9)].map(&:to_s)
end