express-fileupload/test/server.js

Simple express file upload middleware that wraps around Busboy

'use strict';

const fs = require('fs-extra');
const path = require('path');
const express = require('express');
const expressFileupload = require('../lib/index');

const fileDir = path.join(__dirname, 'files');
const uploadDir = path.join(__dirname, 'uploads');

const app = express();

const clearUploadsDir = function() {
  if (!fs.existsSync(uploadDir)) {
    fs.mkdirSync(uploadDir);
  } else {
    fs.emptyDirSync(uploadDir);
  }
};

app.use(expressFileupload());

app.all('/upload/single', function(req, res) {
  if (!req.files)
    return res.status(400).send('No files were uploaded.');

  let testFile = req.files.testFile;
  let uploadPath = path.join(uploadDir, testFile.name);

  testFile.mv(uploadPath, function(err) {
    if (err)
      return res.status(500).send(err);

    res.send('File uploaded to ' + uploadPath);
  });
});

app.all('/upload/multiple', function(req, res) {
  if (!req.files)
    return res.status(400).send('No files were uploaded.');

  let testFile1 = req.files.testFile1;
  let testFile2 = req.files.testFile2;
  let testFile3 = req.files.testFile3;
  let uploadPath1 = path.join(uploadDir, testFile1.name);
  let uploadPath2 = path.join(uploadDir, testFile2.name);
  let uploadPath3 = path.join(uploadDir, testFile3.name);

  if (!testFile1)
    return res.status(400).send('testFile1 was not uploaded');

  if (!testFile2)
    return res.status(400).send('testFile2 was not uploaded');

  if (!testFile3)
    return res.status(400).send('testFile3 was not uploaded');

  testFile1.mv(uploadPath1, function(err) {
    if (err)
      return res.status(500).send(err);

    testFile2.mv(uploadPath2, function(err) {
      if (err)
        return res.status(500).send(err);

      testFile3.mv(uploadPath3, function(err) {
        if (err)
          return res.status(500).send(err);

        res.send('Files uploaded to ' + uploadDir);
      });
    });
  });
});

app.all('/upload/array', function(req, res) {
  if (!req.files)
    return res.status(400).send('No files were uploaded.');

  let testFiles = req.files.testFiles;

  if (!testFiles)
    return res.status(400).send('No files were uploaded');

  if (!Array.isArray(testFiles))
    return res.status(400).send('Files were not uploaded as an array');

  if (!testFiles.length)
    return res.status(400).send('Files array is empty');

  let filesUploaded = 0;
  for (let i = 0; i < testFiles.length; i++) {
    let uploadPath = path.join(uploadDir, testFiles[i].name);

    testFiles[i].mv(uploadPath, function(err) {
      if (err)
        return res.status(500).send(err);

      if (++filesUploaded === testFiles.length)
        res.send('File uploaded to ' + uploadPath);
    });
  }
});

app.all('/fields/user', function(req, res) {
  if (!req.body)
    return res.status(400).send('No request body found');

  if (!req.body.firstName || !req.body.firstName.trim())
    return res.status(400).send('Invalid first name');

  if (!req.body.lastName || !req.body.lastName.trim())
    return res.status(400).send('Invalid last name');

  if (!req.body.email || !req.body.email.trim())
    return res.status(400).send('Invalid email');

  res.json({
    firstName: req.body.firstName,
    lastName: req.body.lastName,
    email: req.body.email
  });
});

app.all('/fields/array', function(req, res) {
  if (!req.body)
    return res.status(400).send('No request body found');

  if (!req.body.testField)
    return res.status(400).send('Invalid field');

  if (!Array.isArray(req.body.testField))
    return res.status(400).send('Field is not an array');

  res.json(req.body.testField);
});


module.exports = {
  app,
  fileDir,
  uploadDir,
  clearUploadsDir
};