Angular Value Function

retrieveService.js

(function () {

    angular.module('app')
        .value('badgeService', {
            retrieveBadge: retrieveBadge
        });

    function retrieveBadge(minutesRead) {

        var badge = null;

        switch (true) {

            case (minutesRead > 5000):
                badge = 'Book Worm';
                break;
            case (minutesRead > 2500):
                badge = 'Page Turner';
                break;
            default:
                badge = 'Getting Started';
        }

        return badge;

    }

}());