public async Task <IActionResult> PostContactDataAsync() { using (var memoryStream = new MemoryStream()) { await Request.StreamFile(memoryStream); memoryStream.Seek(0, SeekOrigin.Begin); using (var streamReder = new StreamReader(memoryStream)) { var userId = this.GetCurrentUserId(); await _dataImportService.ImportContactsAsync(streamReder, userId); } } return(Ok()); }