public string Status()
        {
            var dbConnectionStatus = "DOWN";

            try
            {
                var hours = _timeEntryRepository.TotalHours();
                Console.WriteLine(string.Format("GET /status - DB OK. Total time entries: {0} h", hours));

                dbConnectionStatus = "OK";
            }
            catch (Exception exception)
            {
                Console.WriteLine("GET /status - database connection failed.");
                Console.WriteLine(exception.Message);
            }

            return(string.Format("Database connection: {0}", dbConnectionStatus));
        }