AzureConfig.Program.AddTestData C# (CSharp) Метод

        private static void AddTestData()
        {
            var transactRepo = new TransactionRepository();
            var custRepo = new CustomerRepository();
            var customers = custRepo.GetAllCustomers().ToList();
            
            int productCount = 3;
            List<string> prodIDs = new List<string>();
            for (int i = 1; i <= productCount; i++)
            {
                prodIDs.Add("Signature" + i);
            }

            DateTime minDt = new DateTime(2015, 1, 1, 0, 0, 0, DateTimeKind.Utc);
            DateTime maxDt = DateTime.UtcNow;
            TimeSpan timeSpan = maxDt - minDt;

            var transactionBatch = new List<Transaction>(100);

            Stopwatch sw = Stopwatch.StartNew();
            for (int i = 0; i < 50000; i++)
            {
                string prodId = prodIDs[_rand.Next(0, productCount)];
                TimeSpan randSpan = new TimeSpan(0, 0, _rand.Next(0, (int)timeSpan.TotalSeconds));
                DateTime date = minDt + randSpan;
                var curCustomer = customers[_rand.Next(0, customers.Count)];
                Guid clientId = curCustomer.InternalID.Value;
                int transactDuplicates = _rand.Next(0, 10) >= 9 ? 2 : 1;

                Transaction t = new Transaction
                {
                    MvaNumber = curCustomer.MvaNumber,
                    ExternalRef = curCustomer.ExternalIDs.First(),
                    //InternalRef = curCustomer.InternalID,
                    CustomerNumber = curCustomer.CustomerNumber,
                    Date = date,
                    Description = "test item",
                    ProductID = prodId,
                    Amount = transactDuplicates
                };

                //transactRepo.AddTransactionToUpdateQueue(t);
                transactionBatch.Add(t);

                if (i % 100 == 0)
                {
                    transactRepo.AddOrUpdateTransactionBatch(transactionBatch);
                    transactionBatch.Clear();

                    Console.WriteLine($"{i} transactions have been added :: {sw.ElapsedMilliseconds} ms");
                    WriteQueueLengthAsync();
                    sw.Restart();
                }
            }
        }