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const multer = require('multer');
const path = require('path');
const fs = require('fs');
const { v4: uuidv4 } = require('uuid');
const sanitize = require('sanitize-filename');
const pool = require('../database/connection');
const { authenticateToken, requireRole } = require('../middleware/auth');
const config = require('../config');
const router = express.Router();
// Configure multer for file uploads
const storage = multer.diskStorage({
destination: (req, file, cb) => {
const uploadDir = path.join(__dirname, '..', '..', config.uploadDir);
Iif (!fs.existsSync(uploadDir)) {
fs.mkdirSync(uploadDir, { recursive: true });
}
cb(null, uploadDir);
},
filename: (req, file, cb) => {
const safeOriginal = sanitize(file.originalname);
const uniqueName = `${uuidv4()}-${safeOriginal || 'resume'}`;
cb(null, uniqueName);
}
});
const upload = multer({
storage: storage,
limits: {
fileSize: 10 * 1024 * 1024 // 10MB limit
},
fileFilter: (req, file, cb) => {
const allowedTypes = [
'application/pdf',
'application/msword',
'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'text/plain'
];
if (allowedTypes.includes(file.mimetype)) {
cb(null, true);
} else E{
cb(new Error('Invalid file type. Only PDF, DOC, DOCX, and TXT files are allowed.'));
}
}
});
// Get all resumes for a candidate
router.get('/candidate/:candidateId', authenticateToken, async (req, res) => {
try {
const { candidateId } = req.params;
// Check permissions
if (req.user.role === 'candidate') {
const candidateResult = await pool.query(
'SELECT id FROM candidates WHERE user_id = $1',
[req.user.id]
);
Iif (candidateResult.rows.length === 0 || candidateResult.rows[0].id !== candidateId) {
return res.status(403).json({ error: 'Access denied' });
}
} else Eif (req.user.role !== 'admin' && req.user.role !== 'recruiter' && req.user.role !== 'employer') {
return res.status(403).json({ error: 'Access denied' });
}
const result = await pool.query(
'SELECT * FROM resumes WHERE candidate_id = $1 ORDER BY uploaded_at DESC',
[candidateId]
);
res.json(result.rows);
} catch (error) {
console.error('Get resumes error:', error);
res.status(500).json({ error: 'Failed to fetch resumes' });
}
});
// Get resume by ID
router.get('/:id', authenticateToken, async (req, res) => {
try {
const { id } = req.params;
const result = await pool.query(
'SELECT * FROM resumes WHERE id = $1',
[id]
);
if (result.rows.length === 0) {
return res.status(404).json({ error: 'Resume not found' });
}
const resume = result.rows[0];
// Check permissions
if (req.user.role === 'candidate') {
const candidateResult = await pool.query(
'SELECT id FROM candidates WHERE user_id = $1',
[req.user.id]
);
if (candidateResult.rows.length === 0 || candidateResult.rows[0].id !== resume.candidate_id) {
return res.status(403).json({ error: 'Access denied' });
}
} else if (req.user.role !== 'admin' && req.user.role !== 'recruiter' && req.user.role !== 'employer') {
return res.status(403).json({ error: 'Access denied' });
}
res.json(resume);
} catch (error) {
console.error('Get resume error:', error);
res.status(500).json({ error: 'Failed to fetch resume' });
}
});
// Upload resume
router.post('/upload', authenticateToken, requireRole(['candidate']), upload.single('resume'), async (req, res) => {
try {
Iif (!req.file) {
return res.status(400).json({ error: 'No file uploaded' });
}
// Get candidate ID for the current user
const candidateResult = await pool.query(
'SELECT id FROM candidates WHERE user_id = $1',
[req.user.id]
);
Iif (candidateResult.rows.length === 0) {
return res.status(400).json({ error: 'Candidate profile not found' });
}
const candidateId = candidateResult.rows[0].id;
// If this is set as primary, unset other primary resumes
Eif (req.body.isPrimary === 'true') {
await pool.query(
'UPDATE resumes SET is_primary = false WHERE candidate_id = $1',
[candidateId]
);
}
const result = await pool.query(`
INSERT INTO resumes (candidate_id, filename, original_name, file_path, file_size, mime_type, is_primary)
VALUES ($1, $2, $3, $4, $5, $6, $7)
RETURNING *
`, [
candidateId,
req.file.filename,
req.file.originalname,
req.file.path,
req.file.size,
req.file.mimetype,
req.body.isPrimary === 'true'
]);
res.status(201).json({
message: 'Resume uploaded successfully',
resume: result.rows[0]
});
} catch (error) {
console.error('Upload resume error:', error);
res.status(500).json({ error: 'Failed to upload resume' });
}
});
// Download resume
router.get('/:id/download', authenticateToken, async (req, res) => {
try {
const { id } = req.params;
const result = await pool.query(
'SELECT * FROM resumes WHERE id = $1',
[id]
);
Iif (result.rows.length === 0) {
return res.status(404).json({ error: 'Resume not found' });
}
const resume = result.rows[0];
// Check permissions
if (req.user.role === 'candidate') {
const candidateResult = await pool.query(
'SELECT id FROM candidates WHERE user_id = $1',
[req.user.id]
);
Iif (candidateResult.rows.length === 0 || candidateResult.rows[0].id !== resume.candidate_id) {
return res.status(403).json({ error: 'Access denied' });
}
} else Eif (req.user.role !== 'admin' && req.user.role !== 'recruiter' && req.user.role !== 'employer') {
return res.status(403).json({ error: 'Access denied' });
}
// Check if file exists
Iif (!fs.existsSync(resume.file_path)) {
return res.status(404).json({ error: 'Resume file not found' });
}
res.download(resume.file_path, resume.original_name);
} catch (error) {
console.error('Download resume error:', error);
res.status(500).json({ error: 'Failed to download resume' });
}
});
// Set primary resume
router.put('/:id/primary', authenticateToken, requireRole(['candidate']), async (req, res) => {
try {
const { id } = req.params;
// Get candidate ID for the current user
const candidateResult = await pool.query(
'SELECT id FROM candidates WHERE user_id = $1',
[req.user.id]
);
Iif (candidateResult.rows.length === 0) {
return res.status(400).json({ error: 'Candidate profile not found' });
}
const candidateId = candidateResult.rows[0].id;
// Check if resume exists and belongs to the candidate
const resumeResult = await pool.query(
'SELECT id FROM resumes WHERE id = $1 AND candidate_id = $2',
[id, candidateId]
);
Iif (resumeResult.rows.length === 0) {
return res.status(404).json({ error: 'Resume not found' });
}
// Unset other primary resumes
await pool.query(
'UPDATE resumes SET is_primary = false WHERE candidate_id = $1',
[candidateId]
);
// Set this resume as primary
const result = await pool.query(
'UPDATE resumes SET is_primary = true WHERE id = $1 RETURNING *',
[id]
);
res.json({
message: 'Primary resume updated successfully',
resume: result.rows[0]
});
} catch (error) {
console.error('Set primary resume error:', error);
res.status(500).json({ error: 'Failed to set primary resume' });
}
});
// Delete resume
router.delete('/:id', authenticateToken, requireRole(['candidate']), async (req, res) => {
try {
const { id } = req.params;
// Get candidate ID for the current user
const candidateResult = await pool.query(
'SELECT id FROM candidates WHERE user_id = $1',
[req.user.id]
);
Iif (candidateResult.rows.length === 0) {
return res.status(400).json({ error: 'Candidate profile not found' });
}
const candidateId = candidateResult.rows[0].id;
// Check if resume exists and belongs to the candidate
const resumeResult = await pool.query(
'SELECT * FROM resumes WHERE id = $1 AND candidate_id = $2',
[id, candidateId]
);
Iif (resumeResult.rows.length === 0) {
return res.status(404).json({ error: 'Resume not found' });
}
const resume = resumeResult.rows[0];
// Delete file from filesystem
Eif (fs.existsSync(resume.file_path)) {
fs.unlinkSync(resume.file_path);
}
// Delete from database
await pool.query('DELETE FROM resumes WHERE id = $1', [id]);
res.json({ message: 'Resume deleted successfully' });
} catch (error) {
console.error('Delete resume error:', error);
res.status(500).json({ error: 'Failed to delete resume' });
}
});
module.exports = router;
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