Basic functionality of a yahtzee game

kalebs-game/controller.rb

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+require_relative 'view'
+require_relative 'model'
+
+class GameController
+  include GameView
+
+  def run!
+    dice = DiceList.new
+
+    Print::title_screen
+
+    loop do
+      Print::menu
+      case Print::fetch_user_input
+      when "R"
+        dice.roll!
+        dice.each { |die| Print::print_die(die.value) }
+        Print::did_i_win(dice.yahtzee?)
+      # when "X"
+      #   dice.reset!
+    when "r"
+        dice.win!
+        dice.each { |die| Print::print_die(die.value) }
+        Print::did_i_win(dice.yahtzee?)
+      when "Q"
+        puts "You chose to exit"
+        exit
+      else
+        Print::error_message
+      end
+    end
+  end
+end
+
+GameController.new.run!

kalebs-game/model.rb

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+class Die
+  attr_reader :value
+
+  def initialize
+    @value = rand(6) + 1
+  end
+end
+
+class DiceList
+  include Enumerable
+  attr_reader :id, :dice, :history
+
+  def initialize
+    @id = 0
+    @dice = []
+    @history = History.new
+  end
+
+  def each(&block)
+    @dice.each(&block)
+  end
+
+  def roll!
+    reset!
+    5.times { @dice.push(Die.new); }
+  end
+
+  def reset!
+    @history.add_roll(self)
+    @dice = []
+    @id += 1
+  end
+
+  def yahtzee?
+    @dice.uniq.length == 1
+  end
+
+  def win!
+    reset!
+    die = Die.new
+    5.times { @dice.push(die) }
+  end
+
+end
+
+# Not used currently, can be implemented to see past rolls.
+class History
+  attr_reader :history
+
+  def initialize
+    @history = {}
+  end
+
+  def add_roll(dice_list)
+    @history[dice_list.id] = dice_list.dice
+  end
+
+end

kalebs-game/view.rb

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+module GameView
+
+  module Print
+
+    class << self
+
+      def error_message
+        puts "I don't understand that command"
+      end
+
+      def title_screen
+        title = <<TITLE
+              Welcome to Yahtzee!
+TITLE
+        puts title
+      end
+
+      def menu
+        menu = <<EOS
+              Press R to roll the dice!
+              Press Q to quit.
+EOS
+        puts menu
+      end
+
+      def print_die(value)
+        puts " ---"; puts "| #{value} |"; puts " ---"
+        puts "\n"
+      end
+
+      def fetch_user_input(question=nil)
+        puts question if question
+        print "> "
+        gets.chomp
+      end
+
+      def did_i_win(value)
+        case value
+        when true
+          puts "Congrats, you got Yahtzee! Keep playing if you want."
+        else
+          puts "Keep playing..."
+        end
+      end
+
+    end
+
+  end
+
+end