Vending Machine Fun

gistfile1.rb

class VendingMachine

  # attr_accessor :money
  
  def initialize(number_of_cans)
    @cans = []
    number_of_cans.times do
      @cans << 'Coke'
    end
    # => ['Coke', 'Coke', 'Coke', 'Coke']
    @money = 0
  end
  
  def empty?
    @cans.empty?
    # @capacity == 0
  end
  
  def insert_coins(amount)
    @money = @money + amount
  end
  
  def push_button(brand)
    # @capacity = @capacity - 1
    @cans.shift
    puts brand
  end
  
  def remove_money
    orig_amount = @money
    @money = 0
    return orig_amount
  end
end

machine = VendingMachine.new(5)

until machine.empty?
  machine.insert_coins(50)
  machine.push_button 'Coke'
end

puts machine.remove_money  # => 250
puts machine.remove_money  # => 0

# Coke
# Coke
# Coke
# Coke
# Coke

# Extra credit