improve code

lib/user_interface.rb

@@ -1,12 +1,12 @@
 require 'core'
 require 'scoreboard'
-require 'press_any_key'
 require 'terminal-table'
 require 'colored'
 require 'format'
+require 'sys_jobs'
 
 # The user interface
-class UserInterface
+class UserInterface < SysJobs
   def initialize
     ctrlc_trap
     @name = 'Guest'
@@ -51,11 +51,6 @@ def ask_for_number
     number
   end
 
-  def bybye
-    puts "Goodbye #{@name}.\n\n"
-    exit
-  end
-
   def play
     countdown(5)
     @player = Core.new
@@ -68,7 +63,7 @@ def new_score
     puts ' New Score !!'.red.bold \
       if @board.add(@name, @player.tries, @rt)
     view_score
-    press_a_key
+    press_any_key
     play
   end
 
@@ -91,25 +86,8 @@ def countdown(seconds)
     puts 'Beat the best time!'.center(Format::SPACES)
   end
 
-  def ctrlc_trap
-    trap('INT') do
-      ctrlc_action
-    end
-  end
-
-  def ctrlc_action
-    print "\r^C received. "
-    bybye
-  end
-
   def info
     @rt = @player.time
     puts "#{@player.tries} attempts in " + @rt.to_s.red + "seconds!\n"
   end
-
-  def press_a_key
-    puts 'Press any key to continue...'
-    returns = STDIN.getch
-    ctrlc_action if returns == "\u0003"
-  end
 end