foobar.js

angular.module('admin.stats', [])

    .config(function($stateProvider) {
        $stateProvider
            .state('admin-stats', {
                url: '/admin/stats',
                templateUrl: 'admin/admin.stats/admin.stats.tpl.html',
                controller: 'AdminStatController'
            });
    })

    .controller('AdminStatController', function ($scope, $q, UserService, SaleService, EventService, Restangular) {

        $scope.king = {};

        var userAdmin = Restangular.all('users');
        var eventAdmin = Restangular.all('admin/events');
        var saleAdmin = Restangular.all('admin/sales');

        var promises = [
            userAdmin.getList(),
            eventAdmin.getList(),
            saleAdmin.getList()
        ];

        $q.all(promises).then(function (results) {
            var users = results[0],
                events = results[1],
                sales = results[2];

            console.log("How'd we do?", users, events, sales);
            $scope.king.userArray = users;

            $scope.king.eventArray = events;

            $scope.king.salesList = sales;
            var totals = SaleService.adminTotal();
            $scope.king.salesTotal = totals.booksAdmin;

            // TODO - associate the data as needed
        });

    })

;