public async Task <IActionResult> GetTen()
        {
            List <CrewByApiDto> crewsByApiDto = await parceService.GetCrews();

            if (crewsByApiDto == null)
            {
                return(NotFound());
            }
            Task[] tasks = new Task[2];
            tasks[0] = (Task.Run(() => service.AddRange(crewsByApiDto)));
            tasks[1] = (Task.Run(() =>
            {
                string format = "d_MMM_yyyy_h_mm_ss";
                string path = "log_" + DateTime.Now.ToString(format) + ".csv";
                using (StreamWriter streamWriter = new StreamWriter(new FileStream(path, FileMode.Create)))
                {
                    Parallel.ForEach(crewsByApiDto, current =>
                                     streamWriter.Write(formatter.ToCsv(current))
                                     );
                }
            }));
            Task.WaitAll(tasks);
            return(Ok());
        }