Episode1/zoo.rb at afd8730967bb6ae5b08ccccc6e0314208093e7ea · RubyoffRails/Episode1 · GitHub

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#Zoo

module Animal

	def eat(food)
		@meals ||= 0
		if likes?(food)
			@meals += 1
			true
		else
			false
		end
	end

	def likes?(food)
		acceptable_food.include?(food.to_sym)
	end

	def acceptable_food
		[]
	end

	def full?
		false
	end

end


class Panda
	include Animal

	def acceptable_food
		[:bamboo]
	end

	def full?
		@meals > 30
	end

end

class Lion
	include Animal

	def acceptable_food
		[:wildebeests, :zeebras]
	end

	def full?
		@meals > 10
	end
end

class Zookeeper
	def feed(args={})
		food = args.fetch(:food)
		panda = args.fetch(:to)
		panda.eat(food)
	end

end

class Human
  include Animal

  def acceptable_food
    [:bacon, :tacos]
  end
end