add task solution

classes/Book.js

@@ -1,6 +1,29 @@
 // import the Media class:
-
+const Media = require('./Media');
 // create your Book class:
+class Book extends Media {
+  constructor(title, year, genre, author, numPages, rating) {
+    super(title, year, genre);
+    this.author = author;
+    this.numPages = numPages;
+    this.rating = rating;
+  }
+
+  static highestRating(books) {
+    let highest = books[0];
+
+    for (let i = 1; i < books.length; i++) {
+      if (books[i].rating > highest.rating) {
+        highest = books[i];
+      }
+    }
+
+    return highest;
+  }
 
+  summary() {
+    return `Title: ${this.title}, Author: ${this.author}, Year: ${this.year}, Page Count: ${this.numPages}, Genre: ${this.genre}, Rating: ${this.rating}`;
+  }
+}
 // don't change below
 module.exports = Book;

classes/Media.js

@@ -1,4 +1,19 @@
 // create your Media class:
+class Media {
+  static totalMediaCount = 0;
+
+  constructor(title, year, genre) {
+    this.title = title;
+    this.year = year;
+    this.genre = genre;
+
+    Media.totalMediaCount++;
+  }
+
+  summary() {
+    return `Title: ${this.title}, Year: ${this.year}, Genre: ${this.genre}`;
+  }
+}
 
 // uncomment below to export it:
 module.exports = Media;

classes/Movie.js

@@ -1,6 +1,29 @@
 // import the Media class:
-
+const Media = require('./Media');
 // create your Movie class:
+class Movie extends Media {
+  constructor(title, year, genre, director, duration, rating) {
+    super(title, year, genre);
+    this.director = director;
+    this.duration = duration;
+    this.rating = rating;
+  }
+
+  static longestMovie(movies) {
+    let longest = movies[0];
+
+    for (let i = 1; i < movies.length; i++) {
+      if (movies[i].rating > longest.rating) {
+        longest = movies[i];
+      }
+    }
+
+    return longest;
+  }
 
+  summary() {
+    return `Title: ${this.title}, Director: ${this.director}, Year: ${this.year}, Genre: ${this.genre}, Rating: ${this.rating}`; 
+  }
+}
 // don't change below
 module.exports = Movie;

classes/Music.js

@@ -1,6 +1,28 @@
 // import the Media class:
-
+const Media = require('./Media');
 // create your Music class:
+class Music extends Media {
+  constructor(title, year, genre, artist, length) {
+    super(title, year, genre);
+    this.artist = artist;
+    this.length = length;
+  }
+
+  static shortestAlbum(musics) {
+    let shortest = musics[0];
+
+    for (let i = 1; i < musics.length; i++) {
+      if (musics[i].length < shortest.length) {
+        shortest = musics[i];
+      }
+    }
+
+    return shortest;
+  }
 
+  summary() {
+    return `Title: ${this.title}, Artist: ${this.artist}, Year: ${this.year}, Genre: ${this.genre}, Length: ${this.length} seconds`;
+  }
+}
 // don't change below
 module.exports = Music;

main.js

@@ -1 +1,10 @@
 // Import classes here to console.log and debug
+const Media = require('./classes/Media');
+const Book = require('./classes/Book');
+const Movie = require('./classes/Movie');
+const Music = require('./classes/Music');
+
+console.log(Media);
+console.log(Book);
+console.log(Movie);
+console.log(Music);