public async Task SendNotificationAsync(PushSubscriptionUser subscription, WebPushNotificationMessages message, CancellationToken cancellationToken)
{
var vapidDetails = new VapidDetails(this._options.Subject, this._options.PublicKey, this._options.PrivateKey);
PushSubscription pushSubscription = new WebPush.PushSubscription(subscription.Endpoint, subscription.P256DH, subscription.Auth);
//var payload = System.Text.Json.JsonSerializer.Serialize(message);
var settings = new JsonSerializerSettings();
settings.ContractResolver = new DefaultContractResolver {
NamingStrategy = new JsonLowerCaseNamingStrategy()
};;
var payload = JsonConvert.SerializeObject(message, settings);
try
{
await _pushClient.SendNotificationAsync(pushSubscription, payload, vapidDetails);
}
catch (WebPushException ex)
{
{
using (IStoreRepositoryAccessor pushstoreAccessor = _pushStoreAccessorProvider.GetStoreRepositoryAccessor())
{
subscription.DateEndTime = DateTime.Now;
await pushstoreAccessor.StoreRepository.UpdateSubscriptionAsync(subscription);
}
_logger?.LogInformation("Subscription has expired or is no longer valid and has been removed.");
}
Console.Error.WriteLine("(WebPush) Error sending push notification: " + ex.Message);
}
}
public async Task <WebPushNotificationMessages> Enqueue(WebPushNotificationMessages message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
_messages.Enqueue(message);
_messageEnqueuedSignal.Release();
return(message);
}
private async Task DequeueMessagesAsync()
{
while (!_stopTokenSource.IsCancellationRequested)
{
WebPushNotificationMessages message = await _messagesQueue.DequeueAsync(_stopTokenSource.Token);
if (!_stopTokenSource.IsCancellationRequested)
{
using (IStoreRepositoryAccessor pushStoreAccessor = _pushStoreAccessorProvider.GetStoreRepositoryAccessor())
{
await pushStoreAccessor.StoreRepository.ForEachSubscriptionAsync((PushSubscriptionUser subscription) =>
{
// Fire-and-forget
_pushService.SendNotificationAsync(subscription, message, _stopTokenSource.Token);
},
_stopTokenSource.Token);
}
}
}
}
public Task SendNotificationAsync(PushSubscriptionUser subscription, WebPushNotificationMessages message)
{
return(SendNotificationAsync(subscription, message, CancellationToken.None));
}