public async Task <IActionResult> DownloadFile(
[FromQuery] Guid personUniqueId,
[FromQuery] string uniqueCode,
[FromQuery] long fileId,
[FromServices] DocumentsManager manager)
{
var customFile = await manager.GetFileAsync(User.Identity.Name, personUniqueId, uniqueCode, fileId);
var ms = new MemoryStream(customFile.FileContents);
return(File(ms, customFile.ContentType, customFile.FileName));
}