Uploading images - MEAN STACK

uploader.js

//routes
  app.route('/api/teams/logo').all()
    .post(teams.upload).all(teamsPolicy.isAllowed)

//server.controller    
//sharp = require('sharp') :: http://sharp.dimens.io/
exports.upload = function (req, res) {
  var upload = multer(uploadConfig).single('photo');
  upload(req, res, function (uploadError) {
    if (uploadError) {
      return res.status(400).send({
        message: 'Error uploading file'
      });
    } else {
      var file = './public/uploads/' + req.file.filename;
      sharp(file)
        .toFormat(sharp.format.jpeg)
        .resize(250, 250)
        .toFile('./public/uploads/' + req.file.filename + '.jpg', function (err) {
          if (err) {
            fs.unlinkSync(req.file.path);
            return res.status(400).send({
              message: 'Error uploading file'
            });
          }
          else {
            fs.unlinkSync(req.file.path);
            req.file.url = req.protocol + '://' + req.headers.host + '/uploads/' + req.file.filename + '.jpg';
            res.jsonp(req.file);

          }
        });

    }
  });
};


//HTML
/*
 <input type="file" nv-file-select uploader="uploader" ng-if="!uploader.isUploading"/>
                                <span ng-if="uploader.isUploading">Uploading.. pls wait..</span>
                                <img ng-show="done" ng-src="{{image.url}}" class="col-md-8" alt=""/>
*/

//bower                                 
//"angular-file-upload": "1.1.5"

//Angular
'use strict';

// Teams controller
angular.module('uploads').controller('UploaderController',
  ['$scope', '$stateParams', '$location', 'Authentication', 'FileUploader', '_',
    function ($scope, $stateParams, $location, Authentication, FileUploader, _) {
      $scope.authentication = Authentication;
      
      /** uploader **/
      $scope.done = false;
      var uploader = $scope.uploader = new FileUploader({
        autoUpload: true,
        url: '/api/teams/logo',
        alias: 'photo',
        queueLimit: 1,
        removeAfterUpload: true
      });

      uploader.onErrorItem = function (fileItem, response, status, headers) {
        $scope.message = {type: 'error', title: 'Error', message: response.message};
      };

      uploader.onSuccessItem = function (fileItem, response, status, headers) {
        $scope.team.logo = response;
        $scope.image = response;
      };

      uploader.onCompleteAll = function () {
        $scope.done = true;
        $scope.message = null;
      };


    }
  ]);