feat: allow querystring + single file body uploads for editing tracks

routes/api/tracks.js

@@ -141,14 +141,7 @@ router.get(
   }),
 );
 
-async function getMultipartOrJsonBody(req, mapJsonBody = (x) => x) {
+async function readFile(file) {
-  const fileInfo = {};
-  let body;
-
-  if (req.busboy) {
-    body = {};
-
-    req.busboy.on('file', async function (fieldname, file, filename, encoding, mimetype) {
   let fileContent = '';
 
   file.on('data', function (data) {
@@ -160,7 +153,18 @@ async function getMultipartOrJsonBody(req, mapJsonBody = (x) => x) {
     file.on('error', reject);
   });
 
-      body[fieldname] = fileContent;
+  return fileContent;
+}
+
+async function getMultipartOrJsonBody(req, mapJsonBody = (x) => x) {
+  const fileInfo = {};
+  let body;
+
+  if (req.busboy) {
+    body = {};
+
+    req.busboy.on('file', async function (fieldname, file, filename, encoding, mimetype) {
+      body[fieldname] = await readFile(file);
       fileInfo[fieldname] = { filename, encoding, mimetype };
     });
 
@@ -174,8 +178,15 @@ async function getMultipartOrJsonBody(req, mapJsonBody = (x) => x) {
       req.busboy.on('finish', resolve);
       req.busboy.on('error', reject);
     });
-  } else {
+  } else if (req.headers['content-type'] === 'application/json') {
     body = mapJsonBody(req.body);
+  } else {
+    body = { body: await readFile(req), ...req.query };
+    fileInfo.body = {
+      mimetype: req.headers['content-type'],
+      filename: req.headers['content-disposition'],
+      encoding: req.headers['content-encoding'],
+    };
   }
 
   return { body, fileInfo };