Codecademy export

app.js

// parent Class
class Media {
  constructor(title) {
    this._title = title;
    this._isCheckOut = false;
    this._ratings = [];
    this._songs = {}
  }
  get title() {
    return this._title;
  }
  get isCheckOut() {
    return this._isCheckOut;
  }
  get ratings() {
    return this._ratings;
  }
  get songs() {
    return this._songs;
  }
  set isCheckOut(check) {
    this.isCheckOut = check;
  }
  toggleCheckOutStatus() {
    this._isCheckOut = !this._isCheckOut;
  }
  getAverageRating() {
    const arrayRatings = this._ratings.length;
    let ratingSum = this._ratings.reduce((currentSum, rating) => currentSum + rating, 0);
    return ratingSum / arrayRatings;
  }
    addRating(newRating) {
        if (Number.isInteger(newRating)) {
            if (newRating >= 1 && 5 >= newRating) {
                this._ratings.push(newRating);
            }
        } else {
            console.log('There was an invalid rating submitted for ' + this._title);
        }
    }
    addSong(newSong) {
      this._songs.push(newSong);
    }
};
// subclasses
// Book
class Book extends Media {
  constructor(title, author, pages) {
    super(title);
    this._author = author;
    this._pages = pages;
  }
  get author() {
    return this._author;
  }
  get pages() {
    return this._pages;
  }
};
// Movie
class Movie extends Media {
  constructor(director, title, runTime) {
    super(title);
    this._director = director;
    this._runTime = runTime;
  }
  get director() {
    return this._director;
  }
  get runTime() {
    return this._runTime;
  }
};

// CD 
class CD extends Media {
  constructor(title, author, songs) {
    super(title);
    this._author = author;
    this._songs = [];
  }
  get author() {
    return this._author;
  }
  get songs() {
    return this.songs;
  }
  shuffle() {

  }
}
// CD instance
console.log("***CD Instance***");
const cd = new CD('Ya Laila', 'Cheb Khaled', 'kifhalk lyom')
cd.toggleCheckOutStatus();
console.log(cd.isCheckOut);
cd.addRating(4)
cd.addRating(4)
cd.addRating(5)
console.log(cd.getAverageRating())
// Book instance
console.log("***Book Instance***")
const historyOfEverything = new Book('A Short History of Nearly', 'Bill Bryson', 544);


historyOfEverything.toggleCheckOutStatus();

console.log(historyOfEverything.isCheckOut);

historyOfEverything.addRating(4);
historyOfEverything.addRating(5);
historyOfEverything.addRating(5);

historyOfEverything.getAverageRating;

console.log(historyOfEverything.getAverageRating());

// Movie instance
console.log("***Movie Instance***")

 const speed = new Movie('Jan de Bont', 'Speed', 116);

 speed.toggleCheckOutStatus();
 console.log(speed.isCheckOut);

 speed.addRating(1);
 speed.addRating(1);
 speed.addRating(5);
 console.log(speed.getAverageRating());