game.rb in codebreaker-mikhail-0.1.3

- old
+ new

@@ -1,10 +1,11 @@
 # frozen_string_literal: true
 
 module Codebreaker
   class Game
     include Validation
+    include FileStore
 
     attr_reader :hints, :user, :state, :secret_code
 
     def initialize(user)
       @user = user
@@ -45,10 +46,10 @@
 
       @state = Constants::LOSE
       true
     end
 
-    def show_difficulties
+    def self.show_difficulties
       Constants::DIFFICULTIES
     end
 
     def use_hint
       return if @copied_code.empty?