public async Task <IDeduplicationSession> CheckForDuplicate(string messageId, ContextBag context)
{
var session = documentStore.OpenAsyncSession();
var isDuplicate = await session.LoadAsync <GatewayMessage>(MessageIdHelper.EscapeMessageId(messageId)).ConfigureAwait(false) != null;
return(new RavenDeduplicationSession(session, isDuplicate, messageId, deduplicationDataTimeToLive));
}
public async Task MarkAsDispatched()
{
if (!IsDuplicate)
{
var timeReceived = DateTime.UtcNow;
var expiry = timeReceived + deduplicationDataTimeToLive;
var gatewayMessage = new GatewayMessage()
{
Id = MessageIdHelper.EscapeMessageId(messageId),
TimeReceived = timeReceived
};
await session.StoreAsync(gatewayMessage).ConfigureAwait(false);
session.Advanced.GetMetadataFor(gatewayMessage)[Constants.Documents.Metadata.Expires] = expiry;
await session.SaveChangesAsync().ConfigureAwait(false);
}
}