/// <summary>
/// Adds an event reminder to specified calendar event
/// </summary>
/// <param name="calendarEvent">Event to add the reminder to</param>
/// <param name="reminder">The reminder</param>
/// <returns>Success or failure</returns>
/// <exception cref="ArgumentException">If calendar event is not created or not valid</exception>
/// <exception cref="Calendars.Plugin.Abstractions.PlatformException">Unexpected platform-specific error</exception>
public Task<bool> AddEventReminderAsync(CalendarEvent calendarEvent, CalendarEventReminder reminder)
{
if (string.IsNullOrEmpty(calendarEvent.ExternalID))
{
throw new ArgumentException("Missing calendar event identifier", "calendarEvent");
}
//Grab current event
var existingEvent = _eventStore.EventFromIdentifier(calendarEvent.ExternalID);
if (existingEvent == null)
{
throw new ArgumentException("Specified calendar event not found on device");
}
//
var seconds = -reminder?.TimeBefore.TotalSeconds ?? defaultTimeBefore;
var alarm = EKAlarm.FromTimeInterval(seconds);
existingEvent.AddAlarm(alarm);
NSError error = null;
if (!_eventStore.SaveEvent(existingEvent, EKSpan.ThisEvent, out error))
{
// Without this, the eventStore will continue to return the "updated"
// event even though the save failed!
// (this obviously also resets any other changes, but since we own the eventStore
// we can be pretty confident that won't be an issue)
//
_eventStore.Reset();
throw new ArgumentException(error.LocalizedDescription, "reminder", new NSErrorException(error));
}
return Task.FromResult(true);
}
/// <summary>
/// Not supported for Windows Store apps
/// </summary>
public Task<bool> AddEventReminderAsync(CalendarEvent calendarEvent, CalendarEventReminder reminder)
{
throw new NotSupportedException();
}
/// <summary>
/// Adds an event reminder to specified calendar event
/// </summary>
/// <param name="calendarEvent">Event to add the reminder to</param>
/// <param name="reminder">The reminder</param>
/// <returns>Success or failure</returns>
/// <exception cref="ArgumentException">If calendar event is not created or not valid</exception>
/// <exception cref="Calendars.Plugin.Abstractions.PlatformException">Unexpected platform-specific error</exception>
public async Task<bool> AddEventReminderAsync(CalendarEvent calendarEvent, CalendarEventReminder reminder)
{
if (string.IsNullOrEmpty(calendarEvent.ExternalID))
{
throw new ArgumentException("Missing calendar event identifier", "calendarEvent");
}
// Verify calendar event exists
var existingAppt = await GetEventByIdAsync(calendarEvent.ExternalID).ConfigureAwait(false);
if (existingAppt == null)
{
throw new ArgumentException("Specified calendar event not found on device");
}
return await Task.Run(() =>
{
var reminderValues = new ContentValues();
reminderValues.Put(CalendarContract.Reminders.InterfaceConsts.Minutes, reminder?.TimeBefore.TotalMinutes ?? 15);
reminderValues.Put(CalendarContract.Reminders.InterfaceConsts.EventId, calendarEvent.ExternalID);
switch(reminder.Method)
{
case CalendarReminderMethod.Alert:
reminderValues.Put(CalendarContract.Reminders.InterfaceConsts.Method, (int)RemindersMethod.Alert);
break;
case CalendarReminderMethod.Default:
reminderValues.Put(CalendarContract.Reminders.InterfaceConsts.Method, (int)RemindersMethod.Default);
break;
case CalendarReminderMethod.Email:
reminderValues.Put(CalendarContract.Reminders.InterfaceConsts.Method, (int)RemindersMethod.Email);
break;
case CalendarReminderMethod.Sms:
reminderValues.Put(CalendarContract.Reminders.InterfaceConsts.Method, (int)RemindersMethod.Sms);
break;
}
var uri = CalendarContract.Reminders.ContentUri;
Insert(uri, reminderValues);
return true;
});
}
/// <summary>
/// Adds an event reminder to specified calendar event
/// </summary>
/// <param name="calendarEvent">Event to add the reminder to</param>
/// <param name="reminder">The reminder</param>
/// <returns>Success or failure</returns>
/// <exception cref="ArgumentException">If calendar event is not created or not valid</exception>
/// <exception cref="Calendars.Plugin.Abstractions.PlatformException">Unexpected platform-specific error</exception>
public async Task<bool> AddEventReminderAsync(CalendarEvent calendarEvent, CalendarEventReminder reminder)
{
if (string.IsNullOrEmpty(calendarEvent.ExternalID))
{
throw new ArgumentException("Missing calendar event identifier", "calendarEvent");
}
var existingAppt = await _localApptStore.GetAppointmentAsync(calendarEvent.ExternalID);
if (existingAppt == null)
{
throw new ArgumentException("Specified calendar event not found on device");
}
var appCalendar = await _localApptStore.GetAppointmentCalendarAsync(existingAppt.CalendarId);
if(appCalendar == null)
{
throw new ArgumentException("Event does not have a valid calendar.");
}
existingAppt.Reminder = reminder?.TimeBefore ?? TimeSpan.FromMinutes(15);
await appCalendar.SaveAppointmentAsync(existingAppt);
return true;
}