public static void SetDueAndAdjustReminder(this ITask task, DateTime?newDate, IEnumerable <ITask> impactedTasks, bool showNotification = false)
{
INotificationService notificationService = Ioc.Resolve <INotificationService>();
ISynchronizationManager syncManager = Ioc.Resolve <ISynchronizationManager>();
var oldDate = task.Due;
// change due date (and if we sync with Exchange, start date might be updated too)
task.Due = newDate;
syncManager.SetDueDate(newDate, task.Start, v => task.Start = v);
task.Modified = DateTime.Now;
// check if we must update reminder date
if (!task.Alarm.HasValue || !newDate.HasValue || !oldDate.HasValue)
{
if (showNotification)
{
if (newDate.HasValue)
{
var dateLong = string.Format("{0} {1}", newDate.Value.ToString("ddddd"), newDate.Value.ToString("M"));
notificationService.ShowNotification(string.Format(StringResources.Notification_DueDateUpdatedFormat, dateLong));
}
else
{
notificationService.ShowNotification(StringResources.Notification_DueDateRemoved);
}
}
return;
}
int days = (int)(newDate.Value - oldDate.Value).TotalDays;
task.Alarm = task.Alarm.Value.AddDays(days);
if (showNotification)
{
string newReminderDatetime = string.Format("{0} {1}", task.Alarm.Value.ToString("M"), task.Alarm.Value.ToString("t"));
string toastMessage = string.Format(StringResources.Dialog_ReminderUpdatedDateFormat, newReminderDatetime);
if (impactedTasks.Count(t => t.Alarm.HasValue) > 1)
{
toastMessage = StringResources.Dialog_RemindersUpdated;
}
notificationService.ShowNotification(toastMessage);
}
}