(function(){
    "use strict";
    angular.module('shared')
        .filter('sortByStudentName', ['$filter', function sortByStudentNameFilterFactory($filter) {
            return function sortByStudentNameFilter(students, byLastName) {
                return $filter('orderBy')(students, studentName);

                function studentName(student) {
                    return $filter('rosterSortableStudentName')(student, byLastName);
                }
            }
        }])
})();