/// <summary>
/// Sends back specified file from specified folder inside OutputDirectory.
/// </summary>
/// <param name="folder">Folder inside OutputDirectory.</param>
/// <param name="file">File.</param>
/// <returns>HTTP response with file.</returns>
public FileResult DownloadFile(string file, string folder)
{
var pathProcessor = new PathProcessor(folder, file: file);
return(File(pathProcessor.DefaultOutFile, "application/octet-stream", file));
}
