Design Pattern: Simple Factory and Cheesecake Factory

make_cheesecake.rb

def make_cheesecake(type)
  cheesecake = nil
  
  case type
    when 'oreo'
      cheesecake = OreoCheesecake.new
    when 'coffee'
      cheesecake = CoffeeCheesecake.new
    when 'tiramisu'
      cheesecake = TiramisuCheesecake.new
    when 'smores'
      cheesecake = SmoresCheesecake.new
    when 'hazelnut'
      cheesecake = HazelnutCheesecake.new
    else
      cheesecake = OriginalCheesecake.new
  end
  
  cheesecake.make_crust
  cheesecake.add_layers
  cheesecake.bake
  cheesecake.refrigerate
  cheesecake.add_toppings
  cheesecake
end