Clear search class toggle on container

gistfile1.js

    $scope.toggleClearSearch = function() {
      if ($scope.filters.search == '') {
        $('#search-form').removeClass('filtered');
      }
      else {
        $('#search-form').addClass('filtered');
      }
    }

    $scope.search = function() {
      $scope.filters.search = $scope.patientSearch;
      $scope.toggleClearSearch();
    };

    $scope.clearSearch = function() {
      $scope.filters.search = '';
      $scope.patientSearch = '';
      $scope.toggleClearSearch();
    };