Codecademy export

app.js

class Catalog {
  constructor() {
    this._collection = [];
 }

  get collection() { 
    return this._collection;
  }

  set collection(mediaItems) {
    this._collection.push(mediaItems);
  }
}

class Media {
  constructor(title) {
    this._title = title;
    this._isCheckedOut = false;
    this._ratings = [];
  }

  get title() {
    return this._title;
  }

  get isCheckedOut() {
    return this._isCheckedOut;
  }

  set isCheckedOut(newCheckOutVal) {
    this._isCheckedOut = newCheckOutVal;
  }

  get ratings() {
    return this._ratings;
  }

  set ratings(NewRat) {
    this._ratings = NewRat;
  }

  toggleCheckOutStatus() {
    if (this.isCheckedOut === true) {
      this.isCheckedOut = false;
    } else {
      this.isCheckedOut = true;
    }
  }

  getAvarageRating() {
    const ratingSum = this.ratings.reduce((accumulator, currentValue) => accumulator + currentValue);
    const ratingsLength = this.ratings.length;
    const avrgRating = ratingSum / ratingsLength;
    return this.ratings = avrgRating;
  }

  addRating(rating) {
    if (rating <= 5 && rating >= 1) {
      this.ratings.push(rating);
    } else {
      return 'The rating has to be between 1 and 5';
    }
  }
}

class Book extends Media {
  constructor(author, title, pages) {
  super(title)
  this._author = author;
  this._pages = pages;
  }

  get author() {
    return this._author;
  }

  get pages() {
    return this._pages;
  }
}

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;
  }
}

class CD extends Media {
  constructor(artist, title, songs) {
  super(title)
  this._artist = artist;
  this._songs = [songs];
  }

  get artist() {
    return this._artist;
  }

  get songs() {
    return this._songs;
  }

  set songs(song) {
    this._songs = song;
  }

  addSongs(newSong) {
    this.songs.push(newSong);
  }

  shuffle() {
    for (let i = this.songs.length - 1; i > 0; i--) {
      const j = Math.floor(Math.random() * (i + 1));
      const temp = this.songs[i];
      this.songs[i] = this.songs[j];
      this.songs[j] = temp;
    }
    return this.songs;
  }

}

const historyOfEverything = new Book('Bill Bryson', 'A Short History of Nearly Everything', 544);
//console.log(historyOfEverything);
historyOfEverything.toggleCheckOutStatus()
//console.log(historyOfEverything.isCheckedOut);
historyOfEverything.addRating(4)
historyOfEverything.addRating(5)
historyOfEverything.addRating(5)
historyOfEverything.getAvarageRating();
//console.log(historyOfEverything.ratings);


const speed = new Movie('Jan de Bont', 'Speed', 116);
//console.log(speed);
speed.toggleCheckOutStatus();
//console.log(speed.isCheckedOut);
speed.addRating(1);
speed.addRating(1);
speed.addRating(5);
speed.getAvarageRating();
//console.log(speed.ratings);

const michaelJackson = new CD('Michael Jackson','Bad','Bad');
michaelJackson.addSongs('Speed Demon');
michaelJackson.addSongs('Liberian Girl');
// Actual array of songs
console.log(michaelJackson.songs);
//Shuffle array of songs
console.log(michaelJackson.shuffle());
michaelJackson.toggleCheckOutStatus();
//console.log(speed.isCheckedOut);
michaelJackson.addRating(3);
michaelJackson.addRating(4);
michaelJackson.addRating(5);
michaelJackson.getAvarageRating();
console.log(michaelJackson)



const itemsCatalog = new Catalog;
itemsCatalog.collection = historyOfEverything;
itemsCatalog.collection = speed; 
itemsCatalog.collection = michaelJackson;
console.log(itemsCatalog);