/// <summary>
/// Sends a PushSharp notification to the service end-point.
/// </summary>
/// <param name="notification">The notification to send.</param>
/// <returns>The task and result of the operation.</returns>
protected async Task <PushNotificationResult> SendPushSharpNotification(TPushSharpNotification notification)
{
if (this.serviceConnection == null)
{
throw new InvalidOperationException("The end-point has not been connected.");
}
try
{
// TODO: it appears we can optimize this by creating our own connection interface that does not throw the exception but instead returns it
// the underlying APNS service connection uses an APNS connection object that returns an exception but the service connection object throws it
await this.serviceConnection.Send(notification).ConfigureAwait(false);
return(PushNotificationResult.Success(this.EndPointName));
}
catch (Exception ex)
{
PushNotificationResult result = this.HandleFailedNotificationResult(notification, ex);
if (result != null)
{
return(result);
}
throw;
}
}
private async Task SendAsync <TAccountKey>(NotificationAccount <TAccountKey> account, MobileDevice mobileDevice, PushNotification notification)
{
PushNotificationResult result = await this.mobileNotificationServiceClient.SendNotification(mobileDevice, notification).ConfigureAwait(false);
if (result.WasSuccessful)
{
this.OnSuccess(notification, account.AccountId.ToString(), mobileDevice.DeviceId, result.EndpointName);
}
else
{
this.OnFailed(
notification,
NotificationErrorCode.RouteFailure,
account.AccountId.ToString(),
result.ErrorMessage,
mobileDevice.DeviceId,
result.EndpointName);
}
}
/// <summary>
/// Handles a failed notification and returns the result for the failure or null if the exception should be rethrown.
/// </summary>
/// <param name="notification">The notification that failed to send.</param>
/// <param name="ex">The exception that occurred.</param>
/// <returns>A notification result or null.</returns>
protected override PushNotificationResult HandleFailedNotificationResult(ApnsNotification notification, Exception ex)
{
ApnsNotificationException notificationException = ex as ApnsNotificationException;
if (notificationException != null)
{
if (notificationException.ErrorStatusCode == ApnsNotificationErrorStatusCode.ConnectionError)
{
return
(PushNotificationResult.Failed(
this.EndPointName,
"Connection error: " + ex.Message));
}
return
(PushNotificationResult.Failed(
this.EndPointName,
"Failed to send notification (" + notificationException.Notification.Identifier + ") with status (" + notificationException.ErrorStatusCode + ") and error message: " + ex.Message));
}
return(null);
}
