private async Task HandleAppCloseAsync(AppCloseEvent closeEvent)
{
if (false == await _registrationController.GetIsRegisteredAsync())
{
return;
}
var rawStartTime = _persistentStorage.Get(START_TIME_KEY);
DateTime? startTime = null;
var trigger = LaunchReason.NotDefined;
if (!String.IsNullOrEmpty(rawStartTime))
{
startTime = DateTime.Parse(rawStartTime);
trigger = (LaunchReason) Enum.Parse(typeof (LaunchReason), _persistentStorage.Get(SESSION_TRIGGER));
}
if (startTime.HasValue)
{
var notification = new AppSessionClientNotification
{
StartTimeUtc = startTime.Value,
EndTimeUtc = closeEvent.Timestamp,
OperatingSystem = _environmentInformation.OperatingSystem,
SessionTrigger = trigger
};
_persistentStorage.Set(START_TIME_KEY, String.Empty);
_persistentStorage.Set(SESSION_TRIGGER, String.Empty);
await _notificationManager.QueueClientNotificationAsync(notification);
}
}
public void HandleAppClose(AppCloseEvent closeEvent)
{
HandleAppCloseAsync(closeEvent).ExecuteInBackground();
}
