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fix: delete uploaded temp file after processing in syllabus upload route #680

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fix: delete uploaded temp file after processing in syllabus upload route #680

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8 changes: 8 additions & 0 deletions server/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -203,6 +203,14 @@ app.post('/api/syllabus/upload', upload.single('file'), async (req, res) => {
console.error('Syllabus upload error:', error);
if (error.message && error.message.includes('Invalid file type')) return res.status(400).json({ error: 'Invalid file format. Allowed: pdf, docx, txt' });
res.status(500).json({ error: 'Failed to process file', details: error.message });
} finally {
// Always clean up the uploaded temp file after processing (success or failure)
// to prevent unbounded disk growth and unintended file retention.
if (req.file && req.file.path) {
fs.unlink(req.file.path, (err) => {
if (err) console.error('Failed to delete uploaded temp file:', err);
});
}
}
});

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