static IOutgoingAttachments GetAttachments(this ExtendableOptions options)
{
var contextBag = options.GetExtensions();
if (contextBag.TryGet <IOutgoingAttachments>(out var attachments))
{
return(attachments);
}
attachments = new OutgoingAttachments();
contextBag.Set(attachments);
return(attachments);
}
static IOutgoingAttachments GetAttachments(this ExtendableOptions options)
{
Guard.AgainstNull(options, nameof(options));
var contextBag = options.GetExtensions();
// check the context for a IOutgoingAttachments in case a mocked instance is injected for testing
if (contextBag.TryGet <IOutgoingAttachments>(out var attachments))
{
return(attachments);
}
attachments = new OutgoingAttachments();
contextBag.Set(attachments);
return(attachments);
}
static async Task WriteMultipart(
IDocumentWriter writer,
HttpResponse response,
ExecutionResult result,
OutgoingAttachments attachments,
CancellationToken cancellation)
{
List <HttpContent> httpContents = new();
try
{
using MultipartFormDataContent multipart = new()
{
//TODO: no point doing ToString
{ new StringContent(await writer.WriteToStringAsync(result)), "result" }
};
foreach (var attachment in attachments.Inner)
{
httpContents.Add(await AddAttachment(attachment, multipart, cancellation));
}
response.ContentLength = multipart.Headers.ContentLength;
response.ContentType = multipart.Headers.ContentType?.ToString();
await multipart.CopyToAsync(response.Body, cancellation);
}
finally
{
foreach (var httpContent in httpContents)
{
httpContent.Dispose();
}
foreach (var cleanup in attachments.Inner.Select(x => x.Value.Cleanup))
{
cleanup?.Invoke();
}
}
}
static async Task WriteMultipart(
HttpResponse response,
ExecutionResult result,
OutgoingAttachments attachments,
CancellationToken cancellation)
{
var httpContents = new List <HttpContent>();
try
{
using var multipart = new MultipartFormDataContent();
var serializedResult = JsonConvert.SerializeObject(result);
multipart.Add(new StringContent(serializedResult));
foreach (var attachment in attachments.Inner)
{
httpContents.Add(await AddAttachment(attachment, multipart, cancellation));
}
response.ContentLength = multipart.Headers.ContentLength;
response.ContentType = multipart.Headers.ContentType.ToString();
await multipart.CopyToAsync(response.Body);
}
finally
{
foreach (var httpContent in httpContents)
{
httpContent.Dispose();
}
foreach (var cleanup in attachments.Inner.Select(x => x.Value.Cleanup))
{
cleanup?.Invoke();
}
}
}
