public async Task <string> CalendarService_SucessfullyAddEvent(GoogleCalendarService service)
{
var dummyEvent = CreateDummyEvent().ToEvent();
string dummyId = "";
try
{
dummyId = await service.AddEvent(dummyEvent);
}
catch (Exception ex)
{
Assert.Fail("Failed to add event: " + ex.Message);
}
return(dummyId);
}
// Save received event (already validated by edit view model) to db
// If SaveEventMsg.SaveChangeOnline true, then also save event to / delete event from google calendar
private async void OnModifyEventReceived(ModifyEventMsg m)
{
var eventToModify = m.Event;
var service = new GoogleCalendarService();
try
{
// Modify local db and possiblely google calendar based on action
switch (m.Action)
{
case EventModifyAction.Add:
string googleCalendarEventId = null;
var targetAccountId = eventToModify.AID;
// Apply changes online first so any failure will prevent changes from being saved locally
if (LoggedIn && m.SaveChangeOnline)
{
googleCalendarEventId = await service.AddEvent(eventToModify.ToEvent());
}
// Event was successfully persisted on Google Calendar, update account and id
if (!googleCalendarEventId.IsNullOrEmpty())
{
var accounts = _dbs.GetAvailableAccounts();
var lastSyncAccount = accounts.Where(a => a.AccId > 1)
.OrderByDescending(a => a.LastSync)
.FirstOrDefault();
if (lastSyncAccount == null)
{
throw new DataException("Couldn't find target Google Calendar account");
}
targetAccountId = lastSyncAccount.AccId;
eventToModify.GID = googleCalendarEventId;
}
// Save changes locally
await _dbs.AddEvent(eventToModify, targetAccountId);
// Switch view to edit just created event
Messenger.Base.Send(eventToModify);
break;
case EventModifyAction.Update:
if (LoggedIn && m.SaveChangeOnline)
{
await service.UpdateEvent(eventToModify.ToEvent());
}
await _dbs.UpdateEvent(eventToModify, eventToModify.EID);
break;
case EventModifyAction.Delete:
if (LoggedIn && m.SaveChangeOnline)
{
await service.DeleteEvent(eventToModify.GID);
}
_dbs.DeleteEvent(eventToModify.EID);
break;
default:
SendModifyEventStatus(success: false, msg: "Unknown action received");
return;
}
}
catch (DataException ex)
{
SendModifyEventStatus(success: false, msg: ex.Message);
return;
}
catch (Google.GoogleApiException)
{
SendModifyEventStatus(success: false, msg: "Unable to apply changes online. If error persists, consider modifying event locally");
return;
}
SendModifyEventStatus(success: true, deleted: m.Action == EventModifyAction.Delete);
RefreshEvents(viewableEventsNum);
// Update tree view if opened
Messenger.Base.Send(new UpdateTreeViewMsg
{
ModifiedEvent = m.Event,
Action = m.Action
});
}