public static Link Feed(AppendStreamOperation operation)
=> new Link(
Constants.Relations.Feed,
LinkFormatter.FormatBackwardLink(
operation.StreamId,
Constants.MaxCount,
StreamVersion.End,
false));
public async Task <Response> AppendMessages(
AppendStreamOperation operation,
CancellationToken cancellationToken)
{
var result = await operation.Invoke(_streamStore, cancellationToken);
var response = new Response(
new HALResponse(result)
.AddLinks(Links.Self(operation))
.AddLinks(Links.Feed(operation)),
result.CurrentVersion == 0
? 201
: 200);
if (operation.ExpectedVersion == ExpectedVersion.NoStream)
{
response.Headers[Constants.Headers.Location] = new[] { $"streams/{operation.StreamId}" };
}
return(response);
}
public static Link Self(AppendStreamOperation operation) => new Link(
Constants.Relations.Self,
$"{operation.StreamId}");