$timeout as promises

timeout_as_promises.js

$timeout(function() {
  if (!$scope.promiseComplete && $scope.submitted) {
    $scope.message = {
      content: [{
        title: '',
        msg: 'Service down - created'
      }],
      type: 'error'
    };
    
    $timeout(function() {
      $scope.message = null;
    }, 2000).then(function() {
      return $timeout(function() {
        if (userDidntChangeAnything()) {
          $scope.message = {
            content: [{
              title: '',
              msg: 'Do you need any help? Talk to our support in our online chat!'
            }],
            type: 'notification'
          };
        }
      }, 5000);
    }).then(function() {
      return $timeout(function() {
        $scope.message = null;
      }, 2000);
    });
  }
}, 5000);