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@ajlingo
Created November 17, 2020 21:23
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class Media {
constructor(title) {
this._title = title;
this._isCheckedOut = false;
this._ratings = [];
}
get title() {
return this._title;
}
get isCheckedOut () {
return this._isCheckedOut;
}
get ratings() {
return this._ratings;
}
set isCheckedOut(value) {
this._isCheckedOut = value;
}
toggleCheckOutStatus() {
this.isCheckedOut = !this.isCheckedOut;
}
getAverageRating() {
let ratingsSum = this.ratings.reduce((accumulator, rating) => accumulator + rating);
return ratingsSum / this._ratings.length;
}
addRating(value) {
this.ratings.push(value);
}
}
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;
}
}
const historyOfEverything = ('Bill Bryson', 'A Short History of Nearly Everything', 544);
historyOfEverything.toggleCheckOutStatus();
console.log(historyOfEverything.isCheckedOut);
historyOfEverything.addRating(4);
historyOfEverything.addRating(5);
historyOfEverything.addRating(5);
console.log(historyOfEverything.getAverageRating());
const speed = new Movie('Jan de Bont', 'Speed', 116);
speed.toggleCheckOutStatus();
speed.addRating(1);
speed.addRating(1);
speed.addRating(5);
console.log(speed.getAverageRating());
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