gistfile1.rb

class Bob                                                                                                                                                                                                                                                                     
  def hey(phrase)                                                                                                                                                                                                                                                             
    phrase = Phrase.new({text: phrase})                                                                                                                                                                                                                                       
    case                                                                                                                                                                                                                                                                      
    when phrase.empty?                                                                                                                                                                                                                                                        
      'Fine. Be that way!'                                                                                                                                                                                                                                                    
    when phrase.yelling?                                                                                                                                                                                                                                                      
      'Woah, chill out!'                                                                                                                                                                                                                                                      
    when phrase.question?                                                                                                                                                                                                                                                     
      'Sure.'                                                                                                                                                                                                                                                                 
    else                                                                                                                                                                                                                                                                      
      "Whatever."                                                                                                                                                                                                                                                             
    end                                                                                                                                                                                                                                                                       
  end                                                                                                                                                                                                                                                                         
end                                                                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                              
class Phrase                                                                                                                                                                                                                                                                  
  attr_accessor :text                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                              
  def initialize(args)                                                                                                                                                                                                                                                        
    @text = args[:text]                                                                                                                                                                                                                                                       
  end                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                              
  def yelling?                                                                                                                                                                                                                                                                
    text.upcase == text                                                                                                                                                                                                                                                       
  end                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                              
  def question?                                                                                                                                                                                                                                                               
    text.end_with? '?'                                                                                                                                                                                                                                                        
  end                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                              
  def empty?                                                                                                                                                                                                                                                                  
    text.strip.empty?                                                                                                                                                                                                                                                         
  end                                                                                                                                                                                                                                                                         
end