public static IEnumerable <PaymentDTO> CreatePayments(AccountDTO[] accounts, PaymentStatus status, IRnd <string> recipientRnd,
IRnd <int> countRnd, IRnd <float> amountRnd, IRnd <DateTime> startDateRnd, Func <DateTime> datetimeNow, IRnd <TimeSpan> intervalRnd, TitleRnd titleRnd)
{
foreach (var account in accounts)
{
var count = countRnd.Next();
for (int i = 0; i < count; i++)
{
var interval = intervalRnd.Next();
var startTimestamp = startDateRnd.Next();
var repayDiff = (int)((datetimeNow() - startTimestamp) / interval);
var lastRepayTimestamp = startTimestamp + repayDiff * interval;
yield return(new PaymentDTO
{
Id = Guid.NewGuid().ToString(),
Name = titleRnd.Next(5),
AccountId = account.Id,
Amount = amountRnd.Next(),
StartTimestamp = startTimestamp,
LatestProcessingTimestamp = lastRepayTimestamp,
Interval = interval,
Status = (int)status,
Recipient = recipientRnd.Next(account.Id)
});
}
}
}
public static string[] BusinessUserScenario(SetupAll setup, int clients, int actionsPerGroup, int minTransactions, int maxTransacitons, int requesters)
{
var users = setup.UsersSetup.Users.Where(u => u.Business)
.Select((u, i) => new { index = i, user = u })
.ToArray();
var usersDict = users.ToDictionary(k => k.user.Id, v => v.user);
var groups = users.GroupBy(u => u.index % clients);
var accounts = setup.AccountsSetup.Accounts
.GroupBy(a => a.UserId)
.ToDictionary(k => k.Key, v => v.ToArray());
var minAmount = 50;
var amountRnd = new RndBuilder <float>(new CurrencyRnd()).Min(minAmount).Max(10000)
.DistributionValues(new float[] { 300, 500, 1500, 2500, 5000, 8000 })
.DistributionProbabilities(new[] { 2, 15, 20, 30, 25, 5, 3 })
.Build();
var titelRnd = new TitleRnd();
var transactionsCountRnd = new RndBuilder <int>().Min(minTransactions).Max(maxTransacitons).Build();
var allActions = new List <BusinessUserScenarioElement>();
var no = 0;
foreach (var group in groups)
{
var groupCount = group.Count();
var groupAccounts = group.Where(g => accounts.ContainsKey(g.user.Id)).SelectMany(g => accounts[g.user.Id]).ToArray();
var usersAccounts = groupAccounts.GroupBy(a => a.UserId).ToDictionary(k => k.Key, v => v.ToArray());
for (int actions = 0; actions < actionsPerGroup; actions++)
{
var user = group.ElementAt(rand.Next(0, groupCount)).user;
var userAccounts = usersAccounts[user.Id];
var transactionsCount = transactionsCountRnd.Next();
var userActions = new List <BusinessUserTransaction>();
for (int i = 0; i < transactionsCount; i++)
{
if (userAccounts.All(a => a.Balance < minAmount))
{
continue;
}
var amount = GetAmount(userAccounts, amountRnd);
var sender = GetSender(amount, userAccounts);
var recipient = groupAccounts.ElementAt(rand.Next(0, groupAccounts.Length));
userActions.Add(new BusinessUserTransaction {
Amount = amount, AccountId = sender.Id, Recipient = recipient.Id, Title = titelRnd.Next()
});
sender.Balance -= amount;
recipient.Balance += amount;
}
allActions.Add(new BusinessUserScenarioElement {
No = (no++).ToString(), Group = group.Key, UserId = user.Id, User = user.Login, Transactions = userActions.ToArray()
});
}
}
return(allActions.GroupBy(a => a.Group % requesters).Select(g => JsonConvert.SerializeObject(g)).ToArray());
}
