private static void changeUser(Registrations r)
{
if (regSummary.Count > 0)
{
regSummary.Where(d => r.StatusId == lastReg.StatusId).First().Duration +=
(lastReg.Time.setToMidnight().AddDays(1) - lastReg.Time).toSeconds();
saveRegistrations();
}
initList(r);
var previous = r.getPrevious();
if (previous != null)
{
regSummary.Where(d => d.StatusId == previous.StatusId).First()
.Duration += (currentTime.AddDays(-1) - r.Time).toSeconds();
}
}
