Refactor error handling in File class to emit download.error event and reject promise

src/models/file.js

@@ -57,15 +57,16 @@ class File {
     // Emit a download.start event with the url and filepath
     emitter.emit('download.start', { url: this.url, filepath: this.filepath });
 
+    return new Promise((resolve, reject) => {
       // Handle file errors
       file.on('error', (err) => {
         fs.unlink(filepath, () => {
           // Emit a download.error event with the error
           emitter.emit('download.error', { url: this.url, filepath: this.filepath, error: err.message, type: 'file' });
         });
+        return reject(err.message);
       });
 
-    return new Promise((resolve, reject) => {
       request
       .get(url.href, (response) => {
         // Check if response is valid