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Merge pull request #85 from BobbyWibowo/pr-retry-names

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Patch to allow "retries" when generating random name
This commit is contained in:
Kana 2018-03-19 07:53:32 -03:00 committed by GitHub
commit 0157388217
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2 changed files with 23 additions and 3 deletions
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7
config.sample.js
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@ -61,6 +61,13 @@ module.exports = {
// The length of the random generated name for the uploaded files
fileLength: 32,
/*
This option will limit how many times it will try to generate random names
for uploaded files. If this value is higher than 1, it will help in cases
where files with the same name already exists (higher chance with shorter file name length).
*/
maxTries: 1,
/*
NOTE: Thumbnails are only for the admin panel and they require you
to install a separate binary called graphicsmagick (http://www.graphicsmagick.org)

17
controllers/uploadController.js
View File

@ -9,12 +9,25 @@ const utils = require('./utilsController.js');
const uploadsController = {};
// Let's default it to only 1 try
const maxTries = config.uploads.maxTries || 1;
const uploadDir = path.join(__dirname, '..', config.uploads.folder);
const storage = multer.diskStorage({
destination: function(req, file, cb) {
cb(null, path.join(__dirname, '..', config.uploads.folder));
cb(null, uploadDir);
},
filename: function(req, file, cb) {
cb(null, randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname));
const access = i => {
const name = randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname);
fs.access(path.join(uploadDir, name), err => {
if (err) return cb(null, name);
console.log(`A file named "${name}" already exists (${++i}/${maxTries}).`);
if (i < maxTries) return access(i);
return cb('Could not allocate a unique file name. Try again?');
});
};
access(0);
}
});