Sistem-Pakar-Diagnosa-Penya.../backend/middleware/uploadPenyakitGambar.js

47 lines
1.3 KiB
JavaScript

const multer = require('multer');
const path = require('path');
const fs = require('fs');
// Path folder penyimpanan gambar
const uploadPath = path.join(__dirname, '../image_penyakit');
// Pastikan folder sudah ada, jika belum maka buat
if (!fs.existsSync(uploadPath)) {
fs.mkdirSync(uploadPath, { recursive: true });
}
// Konfigurasi storage untuk multer
const storage = multer.diskStorage({
destination: function(req, file, cb) {
cb(null, uploadPath);
},
filename: function(req, file, cb) {
// Format nama file: hama-timestamp.extension
const timestamp = new Date().getTime();
const ext = path.extname(file.originalname);
cb(null, `penyakit-${timestamp}${ext}`);
}
});
// Filter untuk memastikan hanya file gambar yang diupload
const fileFilter = (req, file, cb) => {
// Izinkan hanya format gambar yang umum
const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif'];
if (allowedTypes.includes(file.mimetype)) {
cb(null, true);
} else {
cb(new Error('Format file tidak didukung! Hanya file JPG, JPEG, PNG, dan GIF yang diizinkan.'), false);
}
};
// Inisialisasi multer dengan konfigurasi
const uploadHamaGambar = multer({
storage: storage,
fileFilter: fileFilter,
limits: {
fileSize: 5 * 1024 * 1024 // Batasi ukuran file maksimal 5MB
}
});
module.exports = uploadHamaGambar;