public async Task SubscribeAsync()
{
var lastCheckpoint = await _checkpointRepository.GetLastCheckpointAsync(GetProjectionName());
var settings = new CatchUpSubscriptionSettings(
maxLiveQueueSize: 10000,
readBatchSize: 500,
verboseLogging: false,
resolveLinkTos: false,
subscriptionName: "Meetup");
_eventStoreConnection.SubscribeToAllFrom(
lastCheckpoint: lastCheckpoint,
settings: settings,
eventAppeared: async(sub, @event) =>
{
if (@event.OriginalEvent.EventType.StartsWith("$"))
{
return;
}
try
{
await _mediator.Publish(new ProjectionNotification
{
DomainEvent = GetDomainEventByType(@event.OriginalEvent.EventType, @event.OriginalEvent.Data)
});
await _checkpointRepository.SetLastCheckpointAsync(@event.OriginalPosition.Value, GetProjectionName());
}
catch (Exception exception)
{
_logger.LogError(exception, exception.Message);
}
},
liveProcessingStarted: (sub) =>
{
_logger.LogInformation("{SubscriptionName} subscription started.", sub.SubscriptionName);
},
subscriptionDropped: (sub, subDropReason, exception) =>
{
_logger.LogWarning("{SubscriptionName} dropped. Reason: {SubDropReason}.", sub.SubscriptionName, subDropReason);
});
}