import multer from 'multer';
import path from 'path';
import fs from 'fs-extra';
import { v4 as uuidv4 } from 'uuid';
import { ApiResponse } from '@clean-cut/shared';
import { Request, Response } from 'express';
// Ensure upload directory exists
const UPLOAD_DIR = path.join(process.cwd(), 'uploads');
fs.ensureDirSync(UPLOAD_DIR);
// Configure multer for file uploads
const storage = multer.diskStorage({
destination: (req, file, cb) => {
cb(null, UPLOAD_DIR);
},
filename: (req, file, cb) => {
const uniqueName = `${uuidv4()}${path.extname(file.originalname)}`;
cb(null, uniqueName);
}
});
const fileFilter = (req: Request, file: Express.Multer.File, cb: any) => {
// Allowed file types
const allowedTypes = ['image/jpeg', 'image/png', 'image/svg+xml', 'image/webp'];
if (allowedTypes.includes(file.mimetype)) {
cb(null, true);
} else {
cb(new Error(`File type ${file.mimetype} is not allowed`), false);
}
};
export const uploadMiddleware = multer({
storage,
fileFilter,
limits: {
fileSize: 50 * 1024 * 1024, // 50MB max file size
files: 10 // Max 10 files at once
}
}).single('file');
// Wrapper to handle multer errors
export const handleUpload = (req: Request, res: Response, next: Function) => {
uploadMiddleware(req, res, (err: any) => {
if (err instanceof multer.MulterError) {
let message = 'Upload error';
if (err.code === 'LIMIT_FILE_SIZE') {
message = 'File too large (max 50MB)';
} else if (err.code === 'LIMIT_FILE_COUNT') {
message = 'Too many files (max 10)';
}
return res.status(400).json({
success: false,
error: 'UPLOAD_ERROR',
message
} as ApiResponse);
} else if (err) {
return res.status(400).json({
success: false,
error: 'UPLOAD_ERROR',
message: err.message
} as ApiResponse);
}
next();
});
};
