/**
* Schedules alarms for a single task
*
* @param shouldPerformPropertyCheck whether to check if task has requisite properties
*/
private void scheduleAlarm(Task task, boolean shouldPerformPropertyCheck) {
if (task == null || !task.isSaved()) return;
// read data if necessary
if (shouldPerformPropertyCheck) {
for (Property<?> property : NOTIFICATION_PROPERTIES) {
if (!task.containsValue(property)) {
task = taskDao.fetch(task.getId(), NOTIFICATION_PROPERTIES);
if (task == null) return;
break;
}
}
}
// Make sure no alarms are scheduled other than the next one. When that one is shown, it
// will schedule the next one after it, and so on and so forth.
clearAllAlarms(task);
if (task.isCompleted()
|| task.isDeleted()
|| !Task.USER_ID_SELF.equals(task.getValue(Task.USER_ID))) {
return;
}
// snooze reminder
long whenSnooze = calculateNextSnoozeReminder(task);
// random reminders
long whenRandom = calculateNextRandomReminder(task);
// notifications at due date
long whenDueDate = calculateNextDueDateReminder(task);
// notifications after due date
long whenOverdue = calculateNextOverdueReminder(task);
// For alarms around/before now, increment the now value so the next one will be later
if (whenDueDate <= now || whenOverdue <= now) {
whenDueDate = now;
whenOverdue = now;
now +=
30 * DateUtilities.ONE_MINUTE; // Prevents overdue tasks from being scheduled all at once
}
// if random reminders are too close to due date, favor due date
if (whenRandom != NO_ALARM && whenDueDate - whenRandom < DateUtilities.ONE_DAY)
whenRandom = NO_ALARM;
// snooze trumps all
if (whenSnooze != NO_ALARM) {
scheduler.createAlarm(task, whenSnooze, TYPE_SNOOZE);
} else if (whenRandom < whenDueDate && whenRandom < whenOverdue) {
scheduler.createAlarm(task, whenRandom, TYPE_RANDOM);
} else if (whenDueDate < whenOverdue) {
scheduler.createAlarm(task, whenDueDate, TYPE_DUE);
} else if (whenOverdue != NO_ALARM) {
scheduler.createAlarm(task, whenOverdue, TYPE_OVERDUE);
} else {
scheduler.createAlarm(task, 0, 0);
}
}
@Override
public void finish() {
super.finish();
// abandon editing and delete the newly created task if
// no title was entered
if (title.getText().length() == 0 && isNewTask && model.isSaved()) {
taskService.delete(model);
}
}
public void delete(Task item) {
if (!item.isSaved()) {
return;
}
if (item.containsValue(Task.TITLE) && item.getTitle().length() == 0) {
taskDao.delete(item.getId());
item.setId(Task.NO_ID);
} else {
long id = item.getId();
item.clear();
item.setId(id);
gcalHelper.deleteTaskEvent(item);
item.setDeletionDate(DateUtilities.now());
taskService.save(item);
}
}