public static void Configure(ProjectionGatewayConfiguration projectionGatewayConfiguration, IPEndPoint httpEndPoint, UserCredentials credentials)
{
var projectionManager = new ProjectionsManager(new ConsoleLogger(), httpEndPoint, new TimeSpan(1, 0, 0, 0));
var byCategoryProjectionStatus = ((JObject)JsonConvert.DeserializeObject(projectionManager.GetStatusAsync("$by_category", credentials).Result))["status"].ToString();
var streamByCategoryProjectionStatus = ((JObject)JsonConvert.DeserializeObject(projectionManager.GetStatusAsync("$stream_by_category", credentials).Result))["status"].ToString();
if (byCategoryProjectionStatus == "Stopped")
{
projectionManager.EnableAsync("$by_category", credentials).Wait();
}
if (streamByCategoryProjectionStatus == "Stopped")
{
projectionManager.EnableAsync("$stream_by_category", credentials).Wait();
}
const string projectionPattern = @"fromCategory('{0}')
.foreachStream()
.whenAny(function(state, event){{
linkTo('{1}', event);
}})";
foreach (var aggregateRootName in projectionGatewayConfiguration.Subscriptions.Keys)
{
projectionManager.CreateContinuousAsync(
string.Format("{0}Projection", aggregateRootName),
string.Format(projectionPattern, aggregateRootName, aggregateRootName + "View"), credentials).Wait();
}
}
//TODO: Need restore point configuration
private static void Start(ProjectionGatewayConfiguration projectionGatewayConfiguration, IEventStoreConnection eventStoreConnection)
{
projectionGatewayConfiguration.Locator.Register(() => eventStoreConnection);
eventStoreConnection.ConnectAsync().Wait();
foreach (var subscription in projectionGatewayConfiguration.Subscriptions)
{
var eventHandlers = subscription.Value;
eventStoreConnection.SubscribeToStreamFrom(
stream: subscription.Key + "View",
lastCheckpoint: StreamCheckpoint.StreamStart,
resolveLinkTos: true,
eventAppeared: (upSubscription, @event) =>
{
var eventType = Type.GetType(@event.Event.EventType);
var deserializedEvent = JsonConvert.DeserializeObject(Encoding.UTF8.GetString(@event.Event.Data), eventType);
eventHandlers
.Single(x => x.EventType == eventType)
.EventHandler(deserializedEvent);
});
}
}
