public static Links StreamBrowserNavigation(
this Links links,
ListStreamsPage listStreamsPage,
ListStreamsOperation operation)
{
if (operation.ContinuationToken != null)
{
links.Add(
Constants.Relations.Next,
LinkFormatter.ListStreams(operation.Pattern, operation.MaxCount, operation.ContinuationToken));
}
if (listStreamsPage.ContinuationToken != null)
{
links.Add(
Constants.Relations.Next,
LinkFormatter.ListStreams(operation.Pattern, operation.MaxCount, operation.ContinuationToken));
}
return(links
.Add(
Constants.Relations.Browse,
LinkFormatter.ListStreams(operation.Pattern, operation.MaxCount, operation.ContinuationToken))
.Self());
}
public async Task <Response> Get(ListStreamsOperation operation, CancellationToken cancellationToken)
{
var listStreamsPage = await operation.Invoke(_streamStore, cancellationToken);
return(new HalJsonResponse(new HALResponse(new
{
listStreamsPage.ContinuationToken
})
.AddLinks(
Links
.FromOperation(operation)
.Index()
.Find()
.StreamBrowserNavigation(listStreamsPage, operation))
.AddEmbeddedCollection(
Constants.Relations.Feed,
Array.ConvertAll(
listStreamsPage.StreamIds,
streamId => new HALResponse(null)
.AddLinks(
Links
.FromOperation(operation)
.Add(Constants.Relations.Feed, LinkFormatter.Stream(streamId), streamId)
.Self())))));
}
private static string FormatLink(ListStreamsOperation operation, string continuationToken) =>
$"streams?p={operation.Pattern.Value}&t={operation.PatternType}&c={continuationToken}&m={operation.MaxCount}";