public void Handle(WorkshopCreated @event)
{
using (var repository = this.contextFactory.Create())
{
var dto = DbContext.Find <WorkshopView>(@event.SourceId);
if (dto != null)
{
logger.LogWarning(
"Ignoring ConferenceCreated event for conference with ID {0} as it was already created.",
@event.SourceId);
}
else
{
DbContext.Set <WorkshopView>().Add(
new WorkshopView(
@event.SourceId,
@event.Slug,
@event.Name,
@event.Description,
@event.Location,
@event.Tagline,
@event.TwitterSearch,
@event.RegisterDate,
Enumerable.Empty <AnchorType>()));
repository.SaveChanges();
}
}
}
private async Task DoWork(CancellationToken stoppingToken)
{
const string topic = "build.workshop.something";
var newWorkshop = new WorkshopCreated
{
Id = Guid.NewGuid().ToString(),
Title = "Kafka - The basics",
Date = DateTime.Now.ToString("f")
};
using (var producer = _producerFactory.Create())
{
await producer.ProduceAsync(topic : topic, message : new Message <string, string>()
{
Key = Guid.NewGuid().ToString(),
Value = MessagingHelper.MessageToEnvelope(newWorkshop, "workshop_created", Guid.NewGuid().ToString())
});
}
}
