feat(admin): accept audio uploads

src/controllers/adminController.js

@@ -1,5 +1,14 @@
+import fs from 'fs';
 import Track from '../models/Track.js';
 
+const removeFile = (file) => {
+  if (!file?.path) {
+    return;
+  }
+
+  fs.unlink(file.path, () => {});
+};
+
 export const adminController = {
   async addTrack(req, res, next) {
     try {
@@ -11,7 +20,27 @@ export const adminController = {
           .json({ success: false, message: 'All fields are required' });
       }
 
-      const coverUrl = req.file ? `/uploads/covers/${req.file.filename}` : '';
+      const coverFile = req.files?.cover?.[0];
+      const audioFile = req.files?.audio?.[0];
+
+      if (!coverFile || !audioFile) {
+        removeFile(coverFile);
+        removeFile(audioFile);
+        return res
+          .status(400)
+          .json({ success: false, message: 'Cover and audio files are required' });
+      }
+
+      if (coverFile.size > 5 * 1024 * 1024) {
+        removeFile(coverFile);
+        removeFile(audioFile);
+        return res
+          .status(400)
+          .json({ success: false, message: 'Cover image must be 5MB or smaller' });
+      }
+
+      const coverUrl = `/uploads/covers/${coverFile.filename}`;
+      const audioUrl = `/uploads/audio/${audioFile.filename}`;
 
       const track = await Track.create({
         title,
@@ -19,6 +48,7 @@ export const adminController = {
         album,
         genre,
         coverUrl,
+        audioUrl,
         createdBy: req.userId,
       });
 

src/models/Track.js

@@ -29,6 +29,12 @@ const trackSchema = new mongoose.Schema(
     coverUrl: {
       type: String,
       trim: true,
+      required: true,
+    },
+    audioUrl: {
+      type: String,
+      trim: true,
+      required: true,
     },
     createdBy: {
       type: mongoose.Schema.Types.ObjectId,

src/routes/admins.js

@@ -2,7 +2,7 @@ import { Router } from 'express';
 import { adminController } from '../controllers/adminController.js';
 import { auth } from '../middlewares/auth.js';
 import { requireAdmin } from '../middlewares/roles.js';
-import { uploadCover } from '../utils/multer.js';
+import { uploadTrackAssets } from '../utils/multer.js';
 
 const router = Router();
 
@@ -10,7 +10,10 @@ router.post(
   '/tracks',
   auth,
   requireAdmin,
-  uploadCover.single('cover'),
+  uploadTrackAssets.fields([
+    { name: 'cover', maxCount: 1 },
+    { name: 'audio', maxCount: 1 },
+  ]),
   adminController.addTrack
 );
 

src/utils/multer.js

@@ -3,14 +3,27 @@ import path from 'path';
 import multer from 'multer';
 
 const coversDir = path.join(process.cwd(), 'uploads', 'covers');
+const audioDir = path.join(process.cwd(), 'uploads', 'audio');
 
 if (!fs.existsSync(coversDir)) {
   fs.mkdirSync(coversDir, { recursive: true });
 }
 
+if (!fs.existsSync(audioDir)) {
+  fs.mkdirSync(audioDir, { recursive: true });
+}
+
 const storage = multer.diskStorage({
   destination: (req, file, cb) => {
-    cb(null, coversDir);
+    if (file.fieldname === 'cover') {
+      return cb(null, coversDir);
+    }
+
+    if (file.fieldname === 'audio') {
+      return cb(null, audioDir);
+    }
+
+    return cb(new Error('Invalid upload field'));
   },
   filename: (req, file, cb) => {
     const safeName = file.originalname.replace(/\s+/g, '-');
@@ -19,16 +32,36 @@ const storage = multer.diskStorage({
 });
 
 const imageFilter = (req, file, cb) => {
+  if (file.fieldname === 'cover') {
     const allowed = ['image/jpeg', 'image/png', 'image/webp'];
     if (!allowed.includes(file.mimetype)) {
       return cb(new Error('Only JPG, PNG, or WEBP images are allowed'));
     }
 
     return cb(null, true);
+  }
+
+  if (file.fieldname === 'audio') {
+    const allowed = [
+      'audio/mpeg',
+      'audio/mp3',
+      'audio/wav',
+      'audio/x-wav',
+      'audio/flac',
+      'audio/x-flac',
+    ];
+    if (!allowed.includes(file.mimetype)) {
+      return cb(new Error('Only MP3, WAV, or FLAC audio is allowed'));
+    }
+
+    return cb(null, true);
+  }
+
+  return cb(new Error('Invalid upload field'));
 };
 
-export const uploadCover = multer({
+export const uploadTrackAssets = multer({
   storage,
   fileFilter: imageFilter,
-  limits: { fileSize: 5 * 1024 * 1024 },
+  limits: { fileSize: 50 * 1024 * 1024 },
 });