added controllers and services

backend/package.json

@@ -12,18 +12,21 @@
   "dependencies": {
     "@types/node": "^18.15.3",
     "body-parser": "^1.20.2",
+    "class-validator": "^0.14.0",
     "cors": "^2.8.5",
     "dotenv": "^16.0.3",
     "express": "^4.18.2",
+    "express-validator": "^6.15.0",
+    "http-status-codes": "^2.2.0",
+    "joi": "^17.9.1",
     "mongoose": "^7.0.1",
     "multer": "^1.4.5-lts.1",
     "ts-node-dev": "^2.0.0"
   },
   "devDependencies": {
-    "@types/body-parser": "^1.19.2",
     "@types/cors": "^2.8.13",
     "@types/express": "^4.17.17",
     "@types/mongoose": "^5.11.97",
     "@types/multer": "^1.4.7"
   }
-}
\ No newline at end of file
+}

backend/src/controllers/artist.ts

+import express from 'express';
+import {ArtistService} from '../services/artist';
+import {unlink} from 'fs';
+
+export const ArtistController = {
+	createArtist: async (req: express.Request, res: express.Response) => {
+		try {
+			const {name, info} = req.body;
+
+			await ArtistService.generate({
+				name,
+				info,
+				photo: req.file?.filename || '',
+			})
+				.then((result) => {
+					return res.send(result);
+				})
+				.catch((err) => {
+					unlink(`uploads/${req.file?.filename}`, (err) => {
+						if (err) throw err;
+					});
+					return res.send({error: err.message});
+				});
+		} catch (err: unknown) {
+			res.json({err});
+		}
+	},
+	getArtists: async (req: express.Request, res: express.Response) => {
+		try {
+			ArtistService.get()
+				.then((result) => {
+					res.send(result);
+				})
+				.catch((err) => {
+					res.json({err});
+				});
+		} catch (err: unknown) {
+			res.json({err});
+		}
+	},
+};

backend/src/index.ts

-import express, {Express, json} from 'express';
+import express, {Express, json, urlencoded} from 'express';
 import 'dotenv/config';
-import {artistRouter} from './routes/artist';
 import cors from 'cors';
-import {albumRouter} from './routes/albums';
-import {connect} from 'mongoose';
-import {trackRouter} from './routes/track';
+import {mongoose} from './repository/mongoose';
+import {ArtistRouter} from './routes/artist';
+
+mongoose.run();
 
 const app: Express = express();
 app.use(json());
 app.use(cors());
+app.use(urlencoded({extended: true}));
 
-app.use('/artists', artistRouter);
-app.use('/albums', albumRouter);
-app.use('/tracks', trackRouter);
-
-const run = async () => {
-	await connect(`${process.env.MONGO_URL}/musicApp`);
-};
-
-run().catch((err) => console.log(err));
+app.use(express.static('images'));
+app.use('/artists', ArtistRouter);
 
 app.listen(process.env.PORT, () => {
-	console.log('Server started on port ' + process.env.PORT);
+	console.log(`App started on port ${process.env.PORT}`);
 });

backend/src/interfaces/IArtist.ts

+export default interface IArtist {
+	name: string;
+	photo: string;
+	info: string;
+}

backend/src/models/artist.ts

+import {model, Schema} from 'mongoose';
+import IArtist from '../interfaces/IArtist';
+
+const ArtistSchema = new Schema<IArtist>(
+	{
+		name: {
+			type: String,
+			required: [true, 'Name is required'],
+			trim: true,
+		},
+		photo: {
+			type: String,
+			required: [true, 'Photo is required'],
+		},
+		info: {
+			type: String,
+			required: [true, 'Info is required'],
+			trim: true,
+		},
+	},
+	{versionKey: false}
+);
+
+const ArtistModel = model<IArtist>('artist', ArtistSchema);
+export default ArtistModel;

backend/src/repository/mongoose.ts

+import {connect, connection} from 'mongoose';
+
+export const mongoose = {
+	run: async () => {
+		try {
+			return await connect(`${process.env.MONGO_URL}/MyPlayer`);
+		} catch (error) {
+			console.log(error);
+		}
+	},
+
+	stop: async () => {
+		try {
+			return await connection.destroy();
+		} catch (error) {
+			console.log(error);
+		}
+	},
+};

backend/src/routes/albums.ts

-import express, {Request, Response} from 'express';
-import {model, Schema, HydratedDocument, Types} from 'mongoose';
-import multer from 'multer';
-import fs from 'fs';
-import path from 'path';
-import {IArtist} from './artist';
-
-const upload = multer({dest: 'uploads/albums'});
-const router = express.Router();
-
-export interface IAlbum {
-	name: string;
-	albumImage: File;
-	year: number;
-	artist: Types.ObjectId;
-}
-
-const Album = model<IAlbum>(
-	'Album',
-	new Schema({
-		artist: {
-			type: Schema.Types.ObjectId,
-			ref: 'Artist',
-		},
-		name: String,
-		year: Number,
-		albumImage: {
-			data: Buffer,
-			contentType: String,
-		},
-	})
-);
-
-router.get('/', async (req: Request, res: Response) => {
-	if (!req.query.artist) {
-		try {
-			const albums = await Album.find().populate<{artist: IArtist}>('artist');
-			res.send(albums);
-			return;
-		} catch (err: unknown) {
-			res.send('Could not get albums');
-		}
-	}
-	try {
-		const artistsAlbums = await Album.find({artist: req.query.artist});
-		res.send(artistsAlbums);
-	} catch (err: unknown) {
-		res.send(`Could not find albums of ${req.query.artist} `);
-	}
-});
-
-router.get('/:id', async (req: Request, res: Response) => {
-	try {
-		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');
-	}
-});
-
-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,
-				albumImage: {
-					data: fs.readFileSync(
-						path.join('uploads/albums/' + req.file?.filename)
-					),
-					contentType: 'image',
-				},
-				year: req.body.year,
-				artist: req.body.artist,
-			});
-			await album.save();
-
-			res.send('Sucessfully saved');
-		} catch (err: unknown) {
-			res.send('Could not post album');
-		}
-	}
-);
-
-export {router as albumRouter};

backend/src/routes/artist.ts

-import express, {Request, Response} from 'express';
-import {model, Schema, HydratedDocument} from 'mongoose';
+import expres, {Router} from 'express';
 import multer from 'multer';
-import fs from 'fs';
-import path from 'path';
+import {ArtistController} from '../controllers/artist';
 
-const upload = multer({dest: 'uploads/artists'});
-const router = express.Router();
+const upload = multer({dest: 'uploads'});
+const router: Router = expres.Router();
 
-export interface IArtist {
-	name: string;
-	image: File;
-	description: string;
-}
+router.get('/', ArtistController.getArtists);
+router.post('/', upload.single('photo'), ArtistController.createArtist);
 
-const artistSchema = new Schema<IArtist>({
-	name: {
-		type: String,
-		required: true,
-	},
-	image: {
-		data: Buffer,
-		contentType: String,
-	},
-	description: {
-		type: String,
-		required: true,
-	},
-});
-
-const Artist = model<IArtist>('Artist', artistSchema);
-
-router.get('/', async (req: Request, res: Response) => {
-	try {
-		const artists = await Artist.find();
-		res.send(artists);
-	} catch (err: unknown) {
-		res.send('could not get artists');
-	}
-});
-
-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,
-				description: req.body.description,
-				image: {
-					data: fs.readFileSync(
-						path.join('uploads/artists/' + req.file?.filename)
-					),
-					contentType: 'image',
-				},
-			});
-			await artist.save();
-
-			res.send('Sucessfully saved');
-		} catch (err: unknown) {
-			res.send('Could not post');
-		}
-	}
-);
-
-export {router as artistRouter};
+export {router as ArtistRouter};

backend/src/routes/track.ts

-import express, {Request, Response} from 'express';
-import {model, Schema, HydratedDocument, Types} from 'mongoose';
-import {IAlbum} from './albums';
-
-const router = express.Router();
-
-interface ITrack {
-	name: string;
-	album: Types.ObjectId;
-	duration: string;
-}
-
-const Track = model<ITrack>(
-	'Track',
-	new Schema({
-		name: String,
-		duration: String,
-		album: {
-			type: Schema.Types.ObjectId,
-			ref: 'Album',
-		},
-	})
-);
-
-router.get('/', async (req: Request, res: Response) => {
-	if (!req.query.album) {
-		try {
-			const tracks = await Track.find().populate<{album: IAlbum}>('album');
-			res.send(tracks);
-			return;
-		} catch (err: unknown) {
-			res.send('Could not get tracks');
-		}
-	}
-	try {
-		const albumTracks = await Track.find({album: req.query.album});
-		res.send(albumTracks);
-	} catch (err: unknown) {
-		res.send(`Could not find album tracks of ${req.query.album} `);
-	}
-});
-
-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,
-			album: req.body.album,
-			duration: req.body.duration,
-		});
-		await track.save();
-		res.send(`Saved track: ${track}`);
-	} catch (err: unknown) {
-		res.send('Could not create track');
-	}
-});
-
-export {router as trackRouter};

backend/src/services/artist.ts

+import IArtist from '../interfaces/IArtist';
+import ArtistModel from '../models/artist';
+
+export const ArtistService = {
+	generate: async ({name, info, photo}: IArtist) => {
+		return await new ArtistModel({
+			name,
+			info,
+			photo,
+		}).save();
+	},
+	get: async () => {
+		return await ArtistModel.find();
+	},
+};