Made Movie and Show inherit from Media.

src/classes/media/Media.js

@@ -0,0 +1,25 @@
+class Media {
+  constructor(name, mediaURLs) {
+    this.name = name;
+    this.mediaURLs = mediaURLs;
+    this.downloadURLs = [];
+  }
+
+  setDownloadURLs(downloadURLs) {
+    this.downloadURLs = downloadURLs;
+  }
+
+  getDownloadPackageName() {
+    throw new Error('Method not implemented!');
+  }
+
+  getDownloadDestinationFolder() {
+    throw new Error('Method not implemented!');
+  }
+
+  getDownloadFilename() {
+    throw new Error('Method not implemented!');
+  }
+}
+
+module.exports = Media;

src/classes/media/Movie.js

@@ -1,13 +1,21 @@
-class Movie {
+const Media = require('./Media');
+
+class Movie extends Media {
   constructor(name, year, mediaURLs) {
-    this.name = name;
+    super(name, mediaURLs);
     this.year = year;
-    this.mediaURLs = mediaURLs;
-    this.downloadURLs = [];
   }
 
-  setDownloadURLs(downloadURLs) {
-    this.downloadURLs = downloadURLs;
+  getDownloadPackageName() {
+    return `${this.name} (${this.year})`;
+  }
+
+  getDownloadDestinationFolder() {
+    return `${this.name} (${this.year})`;
+  }
+
+  getDownloadFilename(ext) {
+    return `${this.name} (${this.year})${ext}`;
   }
 }
 

src/classes/media/Show.js

@@ -1,13 +1,26 @@
-class Show {
+const Media = require('./Media');
+
+class Show extends Media{
   constructor(name, season, mediaURLs) {
-    this.name = name;
+    super(name, mediaURLs);
     this.season = season < 10 ? `0${season}` : `${season}`;
-    this.mediaURLs = mediaURLs;
-    this.downloadURLs = [];
   }
 
-  setDownloadURLs(downloadURLs) {
-    this.downloadURLs = downloadURLs;
+  getParsedEpisodeNumberForURL(downloadURL) {
+    const episode = this.downloadURLs.indexOf(downloadURL) + 1;
+    return episode < 10 ? `0${episode}` : `${episode}`;
+  }
+
+  getDownloadPackageName() {
+    return this.name;
+  }
+
+  getDownloadDestinationFolder() {
+    return `${this.name}/Season ${this.season}`;
+  }
+
+  getDownloadFilename(ext, downloadURL) {
+    return `${this.name} - S${this.season}E${this.getParsedEpisodeNumberForURL(downloadURL)}.${ext}`;
   }
 }