public static void Send()
{
using (var contexto = new CafeDBContext())
{
var ids = contexto.PushDevices.Select(a => a.Endpoint).ToList();
foreach (var regId in ids)
{
// Queue a notification to send
gcmBroker.QueueNotification(new GcmNotification
{
RegistrationIds = new List <string> {
regId
}
});
}
}
}
public static void Configure(string senderId, string authToken)
{
var config = new GcmConfiguration(senderId, authToken, null);
gcmBroker = new GcmServiceBroker(config);
// Wire up events
gcmBroker.OnNotificationFailed += (notification, aggregateEx) =>
{
aggregateEx.Handle(ex =>
{
// See what kind of exception it was to further diagnose
if (ex is GcmNotificationException)
{
var notificationException = (GcmNotificationException)ex;
// Deal with the failed notification
var gcmNotification = notificationException.Notification;
var description = notificationException.Description;
Console.WriteLine($"GCM Notification Failed: ID={gcmNotification.MessageId}, Desc={description}");
}
else if (ex is GcmMulticastResultException)
{
var multicastException = (GcmMulticastResultException)ex;
foreach (var succeededNotification in multicastException.Succeeded)
{
Console.WriteLine($"GCM Notification Failed: ID={succeededNotification.MessageId}");
}
foreach (var failedKvp in multicastException.Failed)
{
var n = failedKvp.Key;
var e = failedKvp.Value;
Console.WriteLine($"GCM Notification Failed: ID={n.MessageId}, Desc={e.Message}");
}
}
else if (ex is DeviceSubscriptionExpiredException)
{
var expiredException = (DeviceSubscriptionExpiredException)ex;
var oldId = expiredException.OldSubscriptionId;
var newId = expiredException.NewSubscriptionId;
if (!string.IsNullOrEmpty(newId))
{
using (var contexto = new CafeDBContext())
{
var oldPushDevice = contexto.PushDevices.FirstOrDefault(a => a.Endpoint == oldId);
if (oldPushDevice != null)
{
oldPushDevice.Endpoint = newId;
contexto.SaveChanges();
}
}
}
Console.WriteLine($"Device RegistrationId Expired: {oldId}");
if (!string.IsNullOrWhiteSpace(newId))
{
// If this value isn't null, our subscription changed and we should update our database
Console.WriteLine($"Device RegistrationId Changed To: {newId}");
}
}
else if (ex is RetryAfterException)
{
var retryException = (RetryAfterException)ex;
// If you get rate limited, you should stop sending messages until after the RetryAfterUtc date
Console.WriteLine($"GCM Rate Limited, don't send more until after {retryException.RetryAfterUtc}");
}
else
{
Console.WriteLine("GCM Notification Failed for some unknown reason");
}
// Mark it as handled
return(true);
});
};
gcmBroker.OnNotificationSucceeded += (notification) =>
{
Console.WriteLine("GCM Notification Sent!");
};
gcmBroker.Start();
}
