learn-co-curriculum / alt-code-challenge-2-web-082817

Object Relations Assessment

Your Task

For this challenge, you have been given the job of creating a command line interface for your local drive-in movie theater, Happy's Sunset Drive-In! You have been asked to create a tracking tool that allows employees to know how many cars are at each movie screen. The drive-in has many screens, and each screen can have many cars. For the safety of all viewers, there is a limit to the number of cars that can be at a movie screen.

Notes

Your goal is to build out all of the methods listed in the deliverables and connect the required classes to a command line interface.

Do your best to follow Ruby best practices. For example, use higher-level array methods such as map, select, and find when appropriate in place of each

We've provided you with a tools/console.rb file, so you will be able to test out the methods that you write here.

To Submit - once you've completed all the deliverables, please copy/paste your three class definitions into the solution.rb file. Please don't submit the lab until we give you the signal.

Deliverables

Implement all of the methods described below:

DriveIn

• DriveIn#screens
  • returns all movie screens
• DriveIn#cars
  • this method should return all cars currently at all screens
• DriveIn#full_house?
  • returns true if all movie screens are at capacity
• DriveIn#whats_playing
  • returns the names of all movies currently playing

MovieScreen

#MovieScreen.new is provided for you in this lab, and takes in a movie title as a String and a capacity as an Integer

• MovieScreen#cars
  • Returns an array of all cars currently at this movie screen
• MovieScreen#at_capacity?
  • Returns a boolean. The return will be true if the number of cars at this movie screen is at capacity
• MovieScreen#add_car
  • Adds an instance of a car to this movie screen if the movie screen is not at capacity, creates a new car instance and returns the string "Enjoy!". If the movie screen is at capacity, return a string that says 'Movie is sold out'
• MovieScreen.all_screens
  • Returns all movie screens

Car

• Car.all
  • Returns all cars
• Car.movie_screen
  • Returns the movie screen this car is at