public async Task SendNotification(BrowserSubscription subscription, Notification notification)
{
if (_vapid.PrivateKey == null)
{
_logger.Error("WebPush config is missing keys for accountId " + subscription.AccountId);
return;
}
var json = JsonConvert.SerializeObject(notification);
var dto = new PushSubscription(subscription.Endpoint, subscription.PublicKey,
subscription.AuthenticationSecret);
try
{
await _client.SendNotificationAsync(dto, json, _vapid);
}
catch (WebPushException ex)
{
if (ex.Message == "Subscription no longer valid")
{
throw new InvalidSubscriptionException(
$"Subscription for {subscription.Endpoint} is no longer valid.", ex);
}
throw;
}
}
public async Task HandleAsync(IMessageContext context, StoreBrowserSubscription message)
{
var subscription = new BrowserSubscription
{
AccountId = context.Principal.GetAccountId(),
AuthenticationSecret = message.AuthenticationSecret,
Endpoint = message.Endpoint,
PublicKey = message.PublicKey,
ExpiresAtUtc = message.ExpirationTime == null
? (DateTime?)null
: new DateTime(1970, 1, 1).AddMilliseconds(message.ExpirationTime.Value)
};
await _notificationsRepository.Save(subscription);
}
public async Task Save(BrowserSubscription message)
{
var existing =
await _unitOfWork.FirstOrDefaultAsync <BrowserSubscription>(new { message.Endpoint, message.AccountId });
if (existing != null)
{
existing.PublicKey = message.PublicKey;
existing.AuthenticationSecret = message.AuthenticationSecret;
existing.ExpiresAtUtc = message.ExpiresAtUtc;
await _unitOfWork.UpdateAsync(existing);
}
else
{
await _unitOfWork.InsertAsync(message);
}
}
public async Task Delete(BrowserSubscription subscription)
{
await _unitOfWork.DeleteAsync(subscription);
}
