public async Task <JsonResult> UploadAndSearchByBibFile(IFormFile file)
{
string fileContent;
using (var streamReader = new StreamReader(file.OpenReadStream()))
fileContent = await streamReader.ReadToEndAsync();
IEnumerable <string> titles = await _bibFileProcessor.GetTitlesAsync(fileContent);
IEnumerable <Task <DocumentSearchResults.Article> > tasks = titles.Select(t => _documentSearchProcessor.GetByNameExactAsync(t));
List <DocumentSearchResults.Article> results = (await Task.WhenAll(tasks)).Where(r => r != null).ToList();
return(Json(results));
}
