Geburtstag ermitteln

var birthdayMailCount = 0;

var parameters = {
    onStart: function(accessibleUserCount)
    {
        KnuddelsServer.getDefaultLogger().info('Starte Geburtstagsmails.');
    },
    onEnd: function(accessibleUserCount)
    {
        KnuddelsServer.getDefaultLogger().info('Ende Geburtstagsmails: ' + birthdayMailCount);
    }
};
KnuddelsServer.getUserAccess().eachAccessibleUser(function(user, index, accessibleUserCount)
{
    const kAgeYesterday = 'ageYesterday';
    var userPersistence = user.getPersistence();

    var ageYesterday = userPersistence.getNumber(kAgeYesterday, 0);

    var ageToday = user.getAge();

    var ageChanged = ageToday != ageYesterday;

    if (ageChanged)
    {
        var topic = 'Alles Gute zum Geburtstag';
        var text = 'Hey! Zu deinem Ehrentag wünschen wir dir alles Gute!';

        user.sendPostMessage(topic, text);

        userPersistence.setNumber(kAgeYesterday, ageToday);
        birthdayMailCount++;
    }

}, parameters);