class Questionnaire
Simple model to hold sets of questions and answers.
Public Class Methods
config()
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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()
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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