Add Api for song upload

src/routes/api/fileUpload/+server.js

@@ -0,0 +1,39 @@
+import { json } from '@sveltejs/kit';
+import { parseBuffer } from 'music-metadata';
+import { writeFile } from 'fs/promises';
+import { join } from 'path';
+import { unlink } from 'fs/promises';
+
+export const config = {
+	api: {
+		bodyParser: false
+	}
+};
+
+export async function POST({ request }) {
+	try {
+		const formData = await request.formData();
+		const file = formData.get('upload');
+
+		if (!file) {
+			return json({ error: 'No file uploaded' }, { status: 400 });
+		}
+
+		// Save the file temporarily
+		const buffer = await file.arrayBuffer();
+		const tempPath = join('/tmp', `upload_${Date.now()}_${file.name}`);
+		await writeFile(tempPath, Buffer.from(buffer));
+
+		// Parse metadata
+		const metadata = await parseBuffer(Buffer.from(buffer));
+
+		// Clean up the temporary file
+		// You might want to handle this asynchronously or use a try-finally block
+		await unlink(tempPath);
+
+		return json({ metadata });
+	} catch (error) {
+		console.error('Error processing file:', error);
+		return json({ error: 'Failed to process file' }, { status: 500 });
+	}
+}