Class: Captchah::Generators::Truth

Inherits:
Object
  • Object
show all
Defined in:
lib/captchah/generators/truth.rb

Class Method Summary collapse

Class Method Details

.call(difficulty) ⇒ Object 



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# File 'lib/captchah/generators/truth.rb', line 6

def self.call(difficulty)
  chrs = []

  (rand(0..1).positive? ? 4 : 5).times do
    up_or_down = rand(0..1).positive? && difficulty > 1 && difficulty != 3
    chr = (up_or_down ? rand(97..122) : rand(65..90)).chr
    chrs << (%w[i j l r].any? { |c| c == chr } ? chr.upcase : chr)
  end

  chrs.join
end