text: /**
   * Copyright (c) 2014 Intel Corporation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  'use strict';
  
  var devices = require('./models').devices,
      deviceTags = require('./models').deviceTags;
  
  
  exports.all = function (accountId, resultCallback) {
      var filters = {
          where: {
              accountId: accountId
          },
          include: [{ model: deviceTags, as: 'tags'}]
      };
  
      devices.findAll(filters)
          .then(results => {
              var formattedResult = [];
              results.forEach(device => {
                  device.tags.forEach(tag => {
                      formattedResult.push(tag.value);
                  });
              });
              resultCallback(null, formattedResult);
          })
          .catch(err => {
              resultCallback(err);
          });
  };
  