public static void Publish(this HttpActionContext httpContext, IPublication publication)
{
using var _ = publication.Use();
var publicationState = publication.State;
var computed = publicationState.Computed;
var isConsistent = computed.IsConsistent();
// If exception occurred, response is empty, and we can not assign publication header.
// If JsonifyAttribute is used, it will do it.
var responseHeaders = httpContext.Response?.Headers;
if (responseHeaders != null && responseHeaders.Contains(FusionHeaders.Publication))
{
throw Errors.AlreadyPublished();
}
var psi = new PublicationStateInfo(publication.Ref, computed.Version, isConsistent);
var items = httpContext.GetItems();
items[typeof(IPublicationState)] = publicationState;
items[typeof(PublicationStateInfo)] = psi;
if (responseHeaders != null)
{
responseHeaders.AddPublicationStateInfoHeader(psi);
}
}
public static PublicationStateInfo?GetPublicationStateInfo(this HttpActionContext httpContext)
{
if (!httpContext.GetItems().TryGetValue(typeof(PublicationStateInfo), out var v))
{
return(null);
}
return((PublicationStateInfo?)v);
}
public override void OnActionExecuting(HttpActionContext actionContext)
{
base.OnActionExecuting(actionContext);
var request = actionContext.Request;
var headers = request.Headers;
var mustPublish = headers.TryGetValues(FusionHeaders.RequestPublication, out var _);
if (!mustPublish)
{
return;
}
var items = actionContext.GetItems();
var computeContextScope = Computed.BeginCapture();
items.Add(typeof(ComputeContextScope), computeContextScope);
}