public string SyncNow(TaskSyncProfile syncProfile, SyncMetric syncMetric, SyncCallback syncCallback) { try { if (syncProfile.GoogleSettings.GoogleAccount == null || syncProfile.GoogleSettings.GoogleCalendar == null || !syncProfile.ValidateOutlookSettings()) { MessageService.ShowMessageAsync( "Please configure Google and Outlook calendar in settings to continue."); return "Invalid Settings"; } ResetSyncData(); var isSyncComplete = TaskUpdateService.SyncTask(syncProfile, syncMetric, syncCallback); return isSyncComplete ? null : "Error Occurred"; } catch (AggregateException exception) { var flattenException = exception.Flatten(); MessageService.ShowMessageAsync(flattenException.Message); Logger.Error(exception); return flattenException.Message; } catch (Exception exception) { MessageService.ShowMessageAsync(exception.Message); Logger.Error(exception); return exception.Message; } }