99 lines
3.0 KiB
JavaScript
99 lines
3.0 KiB
JavaScript
import { Router } from 'express';
|
|
import { createNewPost, getPostById, deletePost, getAllPosts, getPostsByUserId, editPost } from '../functions/postFunctions.js';
|
|
const router = Router();
|
|
import path from 'path';
|
|
import multer from 'multer';
|
|
import fs from 'fs/promises';
|
|
import sharp from 'sharp';
|
|
import crypto from 'crypto';
|
|
import { fileTypeFromBuffer } from 'file-type';
|
|
|
|
|
|
/*const storage = multer.diskStorage({
|
|
destination: function (req, file, cb) {
|
|
cb(null, 'uploads/');
|
|
},
|
|
filename: function (req, file, cb) {
|
|
const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
|
|
cb(null, file.fieldname + '-' + uniqueSuffix + path.extname(file.originalname));
|
|
}
|
|
});*/
|
|
const storage = multer.memoryStorage();
|
|
|
|
const fileFilter = (req, file, cb) => {
|
|
if (file.mimetype.startsWith('image/')) {
|
|
cb(null, true);
|
|
} else {
|
|
cb(new Error('Solo se permiten imágenes'), false);
|
|
}
|
|
};
|
|
|
|
const upload = multer({
|
|
storage: storage,
|
|
fileFilter: fileFilter,
|
|
limits: {
|
|
fileSize: 5 * 1024 * 1024 // 5MB limit
|
|
}
|
|
});
|
|
|
|
async function processImage(file) {
|
|
const imagePath = path.join(process.cwd(), 'uploads');
|
|
|
|
const buffer = file.buffer;
|
|
const hash = crypto.createHash('sha256').update(buffer).digest('hex');
|
|
const mime = await fileTypeFromBuffer(buffer).then(type => type?.mime);
|
|
|
|
// Validate MIME type
|
|
if (!mime || !['image/jpeg', 'image/png', 'image/gif', 'image/webp'].includes(mime)) {
|
|
throw new Error('Unsupported image format');
|
|
}
|
|
|
|
// File save name and path if not GIF
|
|
let filename;
|
|
if (mime === 'image/gif') {
|
|
filename = `${hash}.gif`;
|
|
await fs.writeFile(path.join(imagePath, filename), buffer);
|
|
} else {
|
|
filename = `${hash}.webp`;
|
|
await sharp(buffer)
|
|
.resize({ width: 800, height: 800, fit: 'inside', withoutEnlargement: true })
|
|
.rotate()
|
|
.normalise()
|
|
.withMetadata()
|
|
.toFormat('webp', { quality: 80 })
|
|
.toFile(path.join(imagePath, filename));
|
|
}
|
|
return filename;
|
|
}
|
|
|
|
const processUploadedImage = async (req, res, next) => {
|
|
try {
|
|
if (req.file) {
|
|
const filename = await processImage(req.file);
|
|
req.processedFilename = filename;
|
|
}
|
|
next();
|
|
} catch (error) {
|
|
console.error('Error processing image:', error);
|
|
res.status(400).json({ error: 'Error al procesar la imagen: ' + error.message });
|
|
}
|
|
};
|
|
|
|
// Validate post creation payload
|
|
const validatePostPayload = (req, res, next) => {
|
|
const { contenido, id_usuario } = req.body;
|
|
if (!contenido || !id_usuario) {
|
|
return res.status(400).json({ error: 'contenido and id_usuario are required' });
|
|
}
|
|
next();
|
|
};
|
|
|
|
router.post('/', upload.single('imagen'), validatePostPayload, processUploadedImage, createNewPost);
|
|
router.get('/:id_post', getPostById);
|
|
router.delete('/:id_post', deletePost);
|
|
router.get('/', getAllPosts);
|
|
router.get('/user/:userId', getPostsByUserId);
|
|
router.put('/:id_post', editPost);
|
|
|
|
export default router;
|