validated inputs in all routes

backend/src/routes/albums.ts

@@ -54,6 +54,9 @@ router.get('/:id', async (req: Request, res: Response) => {
 		const album = await Album.findById(req.params.id).populate<{
 			artist: IArtist;
 		}>('artist');
+		if (album === null) {
+			res.send('Nothing such album found');
+		}
 		res.send(album);
 	} catch (err: unknown) {
 		res.send('No such artist exists');
@@ -64,6 +67,10 @@ router.post(
 	'/',
 	upload.single('albumImage'),
 	async (req: Request, res: Response) => {
+		if (!req.body.name || !req.file || !req.body.year || !req.body.artist) {
+			res.send('Name, year, artist or albumimage is required');
+			return;
+		}
 		try {
 			const album: HydratedDocument<IAlbum> = new Album({
 				name: req.body.name,

backend/src/routes/artist.ts

@@ -43,6 +43,10 @@ router.post(
 	'/',
 	upload.single('image'),
 	async (req: Request, res: Response) => {
+		if (!req.body.name || !req.body.description || !req.file) {
+			res.send('Name, description or image cannot be emtpty');
+			return;
+		}
 		try {
 			const artist: HydratedDocument<IArtist> = new Artist({
 				name: req.body.name,

backend/src/routes/track.ts

@@ -41,6 +41,10 @@ router.get('/', async (req: Request, res: Response) => {
 });
 
 router.post('/', async (req: Request, res: Response) => {
+	if (!req.body.name || !req.body.album || !req.body.duration) {
+		res.send('Name, album or duration cannot be emtpty');
+		return;
+	}
 	try {
 		const track: HydratedDocument<ITrack> = new Track({
 			name: req.body.name,