Inheritance & Self

chef.rb

# chef.rb

class Chef
  attr_reader :name, :restaurant

  def initialize(name, restaurant)
    @name = name # String
    @restaurant = restaurant # Restaurant
  end
end

fancy_restaurant.rb

# fancy_restaurant.rb

require_relative 'restaurant'

class FancyRestaurant < Restaurant
  def initialize(name, city, capacity, category, stars)
    # DATA (instance variables)
    # @name = name
    # @city = city
    # @capacity = capacity
    # @category = category
    # @clients = []

    # it calls initialize from Restaurant
    super(name, city, capacity, category)

    @stars = stars
  end

  def print_clients
    puts "[!] FORBIDDEN! GO AWAY!"
  end
end

fast_food_restaurant.rb

# fast_food_restaurant.rb

require_relative 'restaurant'

class FastFoodRestaurant < Restaurant
  def initialize(name, city, capacity, category, prep_time)
    # DATA (instance variables)
    # @name = name
    # @city = city
    # @capacity = capacity
    # @category = category
    # @clients = []

    # it calls initialize from Restaurant
    super(name, city, capacity, category)

    @prep_time = prep_time
  end

  def open?
    super || Time.now.hour == 13
  end
end

inheritance_test.rb

# inheritance_test.rb

require_relative 'restaurant'
require_relative 'fast_food_restaurant'
require_relative 'fancy_restaurant'

# create an instance of FastFoodRestaurant
# name, city, capacity, category, prep_time
burger_king = FastFoodRestaurant.new(
  'Burger King', 'Lisbon', 120, 'burgers', 5)

belcanto = FancyRestaurant.new(
  'Belcanto', 'Lisbon', 50, 'experimental', 2)

puts "#{burger_king.name} is in #{burger_king.city}"
puts "#{belcanto.name} is in #{belcanto.city}"

burger_king.book('Maria')
burger_king.book('Ricardo')

burger_king.print_clients

belcanto.book('Maria')
belcanto.print_clients

# class method
puts Restaurant.categories
# puts belcanto.categories # this doesn't work!

restaurant.rb

# restaurant.rb

require_relative 'chef'

class Restaurant
  attr_reader :name, :city, :chef #, :capacity
  #attr_writer :capacity
  attr_accessor :capacity
  
  # This is the initializer to be used when testing inheritance!
  def initialize(name, city, capacity, category)
    # DATA (instance variables)
    @name = name
    @city = city
    @capacity = capacity
    @category = category
    @clients = []
  end
  
  # This is the initializer to be used when testing self
  # def initialize(name, city, capacity, category, chef_name)
  #  # DATA (instance variables)
  #  @name = name
  #  @city = city
  #  @capacity = capacity
  #  @category = category
  #  @clients = []
  #
  #  # self is the current instance
  #  @chef = Chef.new(chef_name, self)
  # end

  # self is the current Class (Restaurant)
  def self.categories
    %w[seafood sushi burgers]
  end

  # BEHAVIOUR (instance methods)

  def book(client_name)
    @clients << client_name
  end

  def open?
    Time.now.hour >= 18 && Time.now.hour <= 22
  end

  def closed?
    !open?
    # Time.now.hour < 18 || Time.now.hour > 22
  end

  def print_clients
    puts "Here are the clients of #{@name}"

    @clients.each do |client|
      puts "- #{client}"
    end
  end

  # def add_seats(seats)
  #   @capacity += seats
  # end

  # the same as att_reader :name
  # def name
  #   @name
  # end

  # def capacity=(new_capacity)
  #   @capacity = new_capacity
  # end
end

restaurant_test.rb

# restauran_test.rb

require_relative 'restaurant'

# create a new Restaurant instance
# name, city, capacity, category
sushi_shop = Restaurant.new(
  'Sushi Shop', 'Lisbon', 100, 'sushi', 'Akira')

# p sushi_shop

puts "#{sushi_shop.name} is in #{sushi_shop.city}"

# Construction work...

sushi_shop.capacity = 100

puts "It now has #{sushi_shop.capacity} seats"

puts "#{sushi_shop.name} is #{sushi_shop.open? ? 'open' : 'closed'}"

#p sushi_shop

sushi_shop.book('Joana')
sushi_shop.book('Maria')

# sushi_shop.clients = []

new_chef = Chef.new('Pablo', sushi_shop)
p new_chef

#p sushi_shop
akira = sushi_shop.chef # Chef instance
#puts "#{sushi_shop.name} chef name is #{akira.name}"

#puts sushi_shop.chef.restaurant.chef.name