Dan Meehan solution

Dans-Game/controller.rb

@@ -0,0 +1,68 @@
+require_relative 'view'
+require_relative 'model'
+
+class Controller
+  include View
+
+  def initialize
+    @beerList = List.new
+  end
+
+  def add_beer
+    @beerList.add_beer Print::serialize_add_beer
+  end
+
+  def edit_beer
+    id = Print::get_input("\nEnter the id of the beer you want to EDIT:").to_i
+    b = @beerList.find_beer id
+    fail "No beer matching id #{id}" unless b
+    @beerList.edit_beer(Print::serialize_edit_beer(b.name, b.brewer, b.rating), id)
+  end
+
+  def delete_beer
+    id = Print::get_input "\nEnter the id of the beer you want to DELETE:"
+    @beerList.delete_beer id.to_i
+  end
+
+  def sort_list
+    cmd = Print::get_input "\nEnter the sort method (N)ame/(B)rewer/(R)ating/(I)d:"
+    case cmd.upcase
+    when 'N'
+      @beerList.sort_by_name!
+    when 'B'
+      @beerList.sort_by_brewer!
+    when 'R'
+      @beerList.sort_by_rating!
+    else
+      @beerList.sort_by_id!
+    end
+  end
+
+  def run!
+    Print::run_spinner
+    Print::title_screen
+
+    loop do
+      Print::menu
+      case Print::get_input.upcase
+      when "V"
+        Print::print_list(@beerList.beers)
+      when "A"
+        add_beer
+      when "E"
+        edit_beer
+      when "D"
+        delete_beer
+      when "S"
+        sort_list
+      when "Q"
+        puts "Cheers!" 
+        exit
+      else
+        Print::error_message
+      end
+    end
+  end
+end
+
+Controller.new.run!

Dans-Game/model.rb

@@ -0,0 +1,81 @@
+class Beer
+  attr_reader :id, :name, :brewer, :rating
+
+  def initialize args
+    @id = args[:id]
+    @name = args[:name]
+    @brewer = args[:brewer]
+    @rating = args[:rating]
+  end
+
+  def edit input
+    @name = input[:name]
+    @brewer = input[:brewer]
+    @rating = input[:rating]
+  end
+
+  def to_s
+    "##{@id} #{@name} - #{@brewer} (#{@rating} / 100)"
+  end
+end
+
+class List
+  attr_reader :beers
+
+  def initialize
+    @id = 0
+    @beers = []
+    populate
+  end
+
+  def add_beer input
+    @beers << Beer.new(input.merge(generate_id))
+  end
+
+  def delete_beer id
+    @beers.delete_if { |b| b.id == id }
+  end
+
+  def edit_beer input, id
+    b = find_beer id
+    fail "No beer matching id #{id}" unless b
+    b.edit input
+  end
+
+  def find_beer id
+    @beers.find { |b| b.id == id }
+  end
+
+  def sort_by_brewer!
+    @beers.sort_by! { |b| b.brewer }
+  end
+
+  def sort_by_id!
+    @beers.sort_by! { |b| b.id }
+  end
+
+  def sort_by_name!
+    @beers.sort_by! { |b| b.name }
+  end
+
+  def sort_by_rating!
+    @beers.sort_by! { |b| 100 - b.rating }
+  end
+
+  private
+
+  def generate_id
+    { id: @id += 1 }
+  end
+
+  def populate
+    list = [
+      { name: "Dortmunder Gold", brewer: "Great Lakes", rating: 95 },
+      { name: "Fat Tire", brewer: "New Belgium", rating: 78 },
+      { name: "Ohio Native Lager", brewer: "Sibling Revelry", rating: 83 },
+      { name: "Inverness", brewer: "Columbus  Brewing Company", rating: 72 },
+      { name: "Black & Tan", brewer: "Yuengling", rating: 80 },
+    ]
+    list.each { |b| add_beer(b) }
+  end
+end

Dans-Game/view.rb

@@ -0,0 +1,98 @@
+module View
+
+  module Print
+
+    class << self
+      def run_spinner
+        print "Loading (please wait) "
+        5.times { print "."; sleep 0.5; }
+        print "\n"
+      end
+
+      def error_message
+        puts "That's not a command key. Try again!"
+      end
+
+      def title_screen
+        title = <<TITLE
+
+     ********** | **********
+     *      BARTENDER      *
+     ********** | **********
+
+TITLE
+        puts title
+      end
+
+      def menu
+        menu = <<EOS
+
+       ***** Welcome *****
+       - (V)iew your beers
+       - (A)dd a beer
+       - (E)dit a beer
+       - (D)elete a beer
+       - (S)ort list
+       - (Q)uit program
+       *******************
+
+EOS
+        puts menu
+      end
+
+      def print_list(beers)
+        beers.each { |b| puts "     " + b.to_s }
+      end
+
+      def serialize_add_beer
+        prompts = [
+          "\nEnter the name:",
+          "\nEnter the brewer:",
+          "\nEnter your rating (/100):"
+        ]
+        {}.tap do |obj|
+          prompts.each do |t| 
+            if obj.empty?
+              obj[:name] = get_input(t)
+            elsif obj.size == 1
+              obj[:brewer] = get_input(t)
+            else
+              obj[:rating] = get_input(t).to_i
+            end
+          end
+        end
+      end
+
+      def serialize_edit_beer name, brewer, rating
+        prompts = [
+          "\nEnter new name or blank to leave as #{name}",
+          "\nEnter new brewer or blank to leave as #{brewer}",
+          "\nEnter new rating or blank to leave as #{rating}"]
+        {}.tap do |obj|
+          prompts.each do |t|
+            if obj.empty?
+              obj[:name] = get_input_or_default(name, t)
+            elsif obj.size == 1
+              obj[:brewer] = get_input_or_default(brewer, t)
+            else
+              obj[:rating] = get_input_or_default(rating, t).to_i
+            end
+          end
+        end
+      end
+
+      def get_input question=nil
+        puts question if question
+        print "> "
+        gets.chomp
+      end
+
+      def get_input_or_default default, question=nil
+        puts question if question
+        print "> "
+        input = gets.chomp
+        input == "" ? default : input
+      end
+    end
+  end
+end