public async Task PrepareAsync(EventDescriptor descriptor, IDbConnection dbConnection, IDbTransaction dbTransaction)
{
var message = new Internal.Model.Message
{
Id = _identityGenerator.NextIdentity(),
MessageId = _identityGenerator.NextIdentity(),
TransactId = TransactID,
Content = descriptor.Message.GetTransferJson(),
CreationDate = DateTime.Now,
State = MessageState.Processing,
Type = MessageType.Published,
Exchange = descriptor.Exchange,
RouteKey = descriptor.RouteKey
};
var metaData = new MetaData();
metaData.Set("ContentType", descriptor.ContentType);
metaData.Set("TransactID", message.TransactId.ToString());
metaData.Set("MessageID", message.MessageId.ToString());
metaData.Contact(descriptor.Message.MetaData);
message.MetaData = metaData.ToJson();
await _publishedEventPersistenter.InsertAsync(message, dbConnection, dbTransaction);
var jsonTransafer = FeiniuBus.Util.FeiniuBusJsonConvert.SerializeObject(new { MetaData = metaData.GetDictionary(), Content = descriptor.Message.Content });
await _messageQueueTransaction.PublishAsync(descriptor.Exchange, descriptor.RouteKey, Encoding.UTF8.GetBytes(jsonTransafer));
}
public EventPublisher(IServiceProvider serviceProvider)
{
_serviceProvider = serviceProvider;
_identityGenerator = serviceProvider.GetRequiredService <IIdentityGenerator>();
_publishedEventPersistenter = serviceProvider.GetRequiredService <IPublishedEventPersistenter>();
_messageQueueTransaction = serviceProvider.GetRequiredService <IMessageQueueTransaction>();
_messageSerializer = serviceProvider.GetRequiredService <IMessageSerializer>();
_logger = serviceProvider.GetRequiredService <ILoggerFactory>().CreateLogger <EventPublisher>();
TransactID = _identityGenerator.NextIdentity();
}