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Uses async

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Bobby Wibowo 2018-03-18 23:32:59 +07:00
parent dcb72734fe
commit 5be27c129d
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1 changed files with 10 additions and 11 deletions
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21
controllers/uploadController.js
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@ -17,18 +17,17 @@ const storage = multer.diskStorage({
destination: function(req, file, cb) { destination: function(req, file, cb) {
cb(null, uploadDir); cb(null, uploadDir);
}, },
filename: function(req, file, cb) { filename: function(req, file, cb) {
for (let i = 0; i < maxTries; i++) { const access = i => {
const name = randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname); const name = randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname);
try { fs.access(path.join(uploadDir, name), err => {
fs.accessSync(path.join(uploadDir, name)); if (err) return cb(null, name);
console.log(`A file named "${name}" already exists (${i + 1}/${maxTries}).`); console.log(`A file named "${name}" already exists (${++i}/${maxTries}).`);
} catch (err) { if (i < maxTries) return access(i);
// Note: fs.accessSync() will throw an Error if a file with the same name does not exist return cb('Could not allocate a unique file name. Try again?');
return cb(null, name); });
} };
} access(0);
return cb('Could not allocate a unique file name. Try again?');
} }
}); });