/// <summary>
/// Aktualisiert das Datum des nächsten Termins, an dem der Reminder feuert.
/// </summary>
private void updateNextReminderDate()
{
Debug.WriteLine("In updateNextReminderDate.");
if (SelectedStartDate == DateTimeOffset.MinValue || SelectedEndDate == DateTimeOffset.MinValue)
return;
DateTime selectedStartDateTmp = new DateTime(SelectedStartDate.Year, SelectedStartDate.Month, SelectedStartDate.Day,
SelectedTime.Hours, SelectedTime.Minutes, SelectedTime.Seconds);
DateTime selectedEndDateTmp = new DateTime(SelectedEndDate.Year, SelectedEndDate.Month, SelectedEndDate.Day,
SelectedTime.Hours, SelectedTime.Minutes, SelectedTime.Seconds);
selectedStartDateTmp = DateTime.SpecifyKind(selectedStartDateTmp, DateTimeKind.Local);
selectedEndDateTmp = DateTime.SpecifyKind(selectedEndDateTmp, DateTimeKind.Local);
DateTimeOffset reminderStartDate = new DateTimeOffset(selectedStartDateTmp);
DateTimeOffset reminderEndDate = new DateTimeOffset(selectedEndDateTmp);
//DateTimeOffset reminderStartDate = new DateTimeOffset(SelectedStartDate.Year, SelectedStartDate.Month, SelectedStartDate.Day,
// SelectedTime.Hours, SelectedTime.Minutes, SelectedTime.Seconds, TimeZoneInfo.Local.BaseUtcOffset);
//DateTimeOffset reminderEndDate = new DateTimeOffset(SelectedEndDate.Year, SelectedEndDate.Month, SelectedEndDate.Day,
// SelectedTime.Hours, SelectedTime.Minutes, SelectedTime.Seconds, TimeZoneInfo.Local.BaseUtcOffset);
// Erzeuge Reminder Objekt mit aktuellen Daten und lasse den nächsten
// Reminder Zeitpunkt bestimmen.
Reminder reminderTmp = new Reminder()
{
StartDate = reminderStartDate,
EndDate = reminderEndDate,
Ignore = SkipNextReminderDate,
Interval = IntervalValue
};
reminderTmp.ComputeFirstNextDate();
reminderTmp.EvaluateIsExpired();
if (reminderTmp.IsExpired)
{
Debug.WriteLine("Reminder is expired.");
IsReminderExpired = true;
}
else
{
IsReminderExpired = false;
}
NextReminderDate = reminderTmp.NextDate;
}
/// <summary>
/// Aktualisiert die für die View relevanten Parameter eines Reminder Objekts, welches aktuell
/// vom ViewModel gehalten wird.
/// </summary>
/// <param name="currentReminder">Die aktuell gehaltene Reminder-Instanz.</param>
/// <param name="newReminder">Die Reminder-Instanz mit den neuen Daten.</param>
private void updateViewRelatedPropertiesOfReminder(Reminder currentReminder, Reminder newReminder)
{
currentReminder.StartDate = newReminder.StartDate;
currentReminder.EndDate = newReminder.EndDate;
currentReminder.Interval = newReminder.Interval;
currentReminder.Ignore = newReminder.Ignore;
currentReminder.IsActive = newReminder.IsActive;
currentReminder.Text = newReminder.Text;
currentReminder.Title = newReminder.Title;
currentReminder.MessagePriority = newReminder.MessagePriority;
currentReminder.ModificationDate = newReminder.ModificationDate;
currentReminder.AuthorId = newReminder.AuthorId;
currentReminder.ComputeFirstNextDate();
currentReminder.EvaluateIsExpired();
}
