public IActionResult OnPost()
{
if (ModelState.IsValid)
{
var fileName = FileUploadManager.UploadSingleFile(UploadFileModel.File, _hostEnvironment);
var text = FileDataExtractor.Extract(_hostEnvironment.WebRootPath + "\\uploads\\" + fileName);
FileIndexingManager.AddToIndex(_hostEnvironment, UploadFileModel.Title, text, fileName);
Message = $"Document had been uploaded successfully.";
}
return(Page());
}