text: /*****************************************************************************
   * Open MCT, Copyright (c) 2014-2018, United States Government
   * as represented by the Administrator of the National Aeronautics and Space
   * Administration. All rights reserved.
   *
   * Open MCT is 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.
   *
   * Open MCT includes source code licensed under additional open source
   * licenses. See the Open Source Licenses file (LICENSES.md) included with
   * this source code distribution or the Licensing information page available
   * at runtime from the About dialog for additional information.
   *****************************************************************************/
  
  define(
      ['./PersistenceFailureDialog', './PersistenceFailureConstants'],
      function (PersistenceFailureDialog, PersistenceFailureConstants) {
  
          /**
           * Handle failures to persist domain object models.
           * @param $q Angular's `$q`
           * @param {DialogService} dialogService the dialog service
           * @constructor
           * @memberof platform/persistence/queue
           */
          function PersistenceFailureHandler($q, dialogService) {
              this.$q = $q;
              this.dialogService = dialogService;
          }
  
          /**
           * Discard failures
           * @param {Array} failures persistence failures, as prepared
           *        by PersistenceQueueHandler
           * @memberof platform/persistence/queue.PersistenceFailureHandler#
           */
          PersistenceFailureHandler.prototype.handle = function handleFailures(failures) {
  
              var dialogModel = new PersistenceFailureDialog(failures),
                  revisionErrors = dialogModel.model.revised,
                  $q = this.$q;
  
              // Discard changes for a failed refresh
              function discard(failure) {
                  var persistence =
                      failure.domainObject.getCapability('persistence');
                  return persistence.refresh();
              }
  
              // Discard changes associated with a failed save
              function discardAll(failuresToDiscard) {
                  return $q.all(failuresToDiscard.map(discard));
              }
  
              return discardAll(revisionErrors);
          };
  
          return PersistenceFailureHandler;
      }
  );
  