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const fs = require('fs');
const path = require('path');
const { v4: uuidv4 } = require('uuid');
const { validateFile, getFileType } = require('../utils/fileValidation');
const { formatFileSize } = require('../utils/helpers');
exports.uploadFile = async (req, res) => {
try {
if (!req.file) {
return res.status(400).json({ error: 'No file provided' });
}
const file = req.file;
// Validate file
const fileCategory = validateFile(file);
// Generate file metadata
const fileData = {
id: uuidv4(),
originalName: file.originalname,
fileName: file.filename,
fileSize: file.size,
mimeType: file.mimetype,
url: `/uploads/${file.filename}`,
uploaderId: req.user.userId,
uploadedAt: new Date()
};
// Generate thumbnail for images (simplified - in production use sharp/gm)
if (fileCategory === 'image') {
fileData.thumbnail = `/uploads/${file.filename}`; // Same file for demo
}
res.json({
message: 'File uploaded successfully',
file: fileData
});
} catch (error) {
console.error('❌ File upload error:', error);
res.status(400).json({ error: error.message });
}
};
exports.getFile = async (req, res) => {
try {
const { filename } = req.params;
const filePath = path.join(__dirname, '../../uploads', filename);
// Check if file exists
if (!fs.existsSync(filePath)) {
return res.status(404).json({ error: 'File not found' });
}
// Set appropriate headers
const ext = path.extname(filename).toLowerCase();
const mimeTypes = {
'.jpg': 'image/jpeg',
'.jpeg': 'image/jpeg',
'.png': 'image/png',
'.gif': 'image/gif',
'.webp': 'image/webp',
'.pdf': 'application/pdf',
'.txt': 'text/plain',
'.mp3': 'audio/mpeg',
'.wav': 'audio/wav',
'.ogg': 'audio/ogg'
};
res.setHeader('Content-Type', mimeTypes[ext] || 'application/octet-stream');
res.setHeader('Content-Disposition', `inline; filename="${filename}"`);
// Stream file
const fileStream = fs.createReadStream(filePath);
fileStream.pipe(res);
} catch (error) {
console.error('❌ Get file error:', error);
res.status(500).json({ error: 'Server error retrieving file' });
}
};
exports.cleanupOrphanedFiles = async (req, res) => {
try {
// This would typically be a cron job
const uploadsDir = path.join(__dirname, '../../uploads');
const files = fs.readdirSync(uploadsDir);
const orphanedFiles = [];
const oneWeekAgo = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000);
for (const file of files) {
const filePath = path.join(uploadsDir, file);
const stats = fs.statSync(filePath);
// Check if file is older than 1 week and not referenced in any message
if (stats.mtime < oneWeekAgo) {
const messageWithFile = await Message.findOne({ 'attachment.fileName': file });
if (!messageWithFile) {
orphanedFiles.push(file);
fs.unlinkSync(filePath);
}
}
}
res.json({
message: `Cleaned up ${orphanedFiles.length} orphaned files`,
orphanedFiles
});
} catch (error) {
console.error('❌ Cleanup error:', error);
res.status(500).json({ error: 'Server error during cleanup' });
}
}; |