public HttpResponseMessage GetActionFile(string fileName)
{
var path = HttpRuntime.AppDomainAppPath;
string directoryName = System.IO.Path.Combine(path, "ActionDocuments");
FileProvider fileProvider = new FileProvider(directoryName);
if (!fileProvider.Exists(fileName))
{
throw new HttpResponseException(HttpStatusCode.NotFound);
}
FileStream fileStream = fileProvider.Open(fileName);
var response = new HttpResponseMessage();
response.Content = new StreamContent(fileStream);
response.Content.Headers.ContentDisposition
= new ContentDispositionHeaderValue("attachment");
response.Content.Headers.ContentDisposition.FileName = fileName;
response.Content.Headers.ContentType
= new MediaTypeHeaderValue("application/octet-stream");
response.Content.Headers.ContentLength
= fileProvider.GetLength(fileName);
return(response);
}