Class: Questionnaire

Inherits:
Object
  • Object
show all
Defined in:
lib/questionnaire.rb

Overview

Simple model to hold sets of questions and answers.

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/questionnaire.rb', line 6

def self.config
  @@config ||= begin
                 file = File.join(Rails.root, "config/questionnaire.yml")
                 YAML::load(File.open(file))
               end
rescue
  raise "Config file is not found. Please use 'rails g questionnaire_config'."
end

.find_random_question ⇒ Object 



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# File 'lib/questionnaire.rb', line 15

def self.find_random_question
  questions = config['questions']['en']#[I18n.locale.to_s]
  q = questions.keys[rand(questions.size)].dup
  interval = (config['interval'] || 50).to_i
  formula = questions[q].dup
  first_number = rand(interval)
  last_number = rand(interval)
  formula.gsub!('$1', first_number.to_s)
  formula.gsub!('$2', last_number.to_s)
  result = eval(formula)
  q.gsub!('$1', HumaneInteger.new(first_number).to_english)
  q.gsub!('$2', HumaneInteger.new(last_number).to_english)
  [q, result]
end