/// <summary>
/// Adds the specified appointment into the configured Google Calendar.
/// This action is done into a thread and the action will be done when it's done
/// </summary>
/// <param name="appointment">The appointment to insert.</param>
public void AddAppointment(Appointment appointment)
{
var context = TaskScheduler.FromCurrentSynchronizationContext();
var token = new CancellationTokenSource().Token;
var task = System.Threading.Tasks.Task.Factory.StartNew(() =>
{
try
{
var service = this.GetService();
var entry = new EventEntry();
entry.Title.Text = appointment.Subject;
entry.Times.Add(new When()
{
StartTime = appointment.StartTime,
EndTime = appointment.EndTime,
});
var postUri = new Uri(this.CalendarUri);
entry = service.Insert(postUri, entry) as EventEntry;
entry.ExtensionElements.Add(new ExtendedProperty()
{
Name = SynchronisationProperty,
Value = appointment.GoogleSynchronisationId.ToString(),
});
entry.Update();
this.Logger.Info("Appointment correctly added into Google Calendar.");
}
catch (Exception ex) { throw new GoogleCalendarException(ex.Message, ex); }
});
task.ContinueWith(t => this.Logger.Warn(t.Exception.InnerException.InnerException), token, TaskContinuationOptions.OnlyOnFaulted, context);
}
/// <summary>
/// Removes the specified appointment into the configured Google Calendar.
/// This action is done into a thread and the action will be done when it's done.
/// </summary>
/// <param name="appointment">The appointment.</param>
public void RemoveAppointment(Appointment appointment)
{
System.Threading.Tasks.Task.Factory.StartNew(() =>
{
try
{
//If the appointment to remove is binded to a Google Calendar appointment then do nothing
if (appointment.GoogleSynchronisationId == null || appointment.GoogleSynchronisationId == new Guid()) { return; }
var service = GetService();
var query = new EventQuery()
{
Uri = new Uri(this.CalendarUri),
ExtraParameters = string.Format("extq=[{0}:{1}]", SynchronisationProperty, appointment.GoogleSynchronisationId),
};
var feed = service.Query(query) as EventFeed;
var appointments = new List<EventEntry>();
while (feed != null && feed.Entries.Count > 0)
{
foreach (EventEntry entry in feed.Entries)
{
appointments.Add(entry);
}
if (feed.NextChunk != null)
{
query.Uri = new Uri(feed.NextChunk);
feed = service.Query(query) as EventFeed;
}
else { feed = null; }
if (appointments.Count == 1)
{
foreach (var a in appointments)
{
a.Delete();
this.Logger.Info("Appointment correctly removed from Google Calendar.");
}
}
else if (appointments.Count == 0) { this.Logger.Debug("This appointment doesn't exist in Google Calendar"); }
else { throw new Exception("This id exist more than once"); }
}
}
catch (Exception ex) { throw new GoogleCalendarException(ex.Message, ex); }
});
}