public async Task <Account[]> GetAccounts(string flowId, string userId)
{
var payload = new GetUserAccountsEvent {
UserId = userId
};
var response = await eventsAwaiter.AwaitResponse <SelectedAccountsEvent>(flowId, () => publishingRouter.Publish(Queues.Accounts, payload, flowId, Queues.Transactions));
return(response.Accounts);
}
public async Task <IEnumerable <AccountDTO> > Get(string userId)
{
var flowId = HttpContext.Items["flowId"].ToString();
var payload = new GetUserAccountsEvent {
UserId = userId
};
var response = await eventsAwaiter.AwaitResponse <SelectedAccountsEvent>(flowId, () => publishingRouter.Publish(Queues.Accounts, payload, flowId, Queues.APIGateway));
var accounts = response.Accounts.Select(a => mapper.Map <AccountDTO>(a));
return(accounts);
}
public async Task <string> UserActivity(UserActivityReportRequest data)
{
var payload = new AggregateUserActivityReportDataEvent
{
Granularity = data.Granularity,
TimestampFrom = data.TimestampFrom,
TimestampTo = data.TimestampTo,
UserId = data.UserId,
};
var flowId = HttpContext.Items["flowId"].ToString();
var response = await eventsAwaiter.AwaitResponse <AggregatedUserActivityReportEvent>(flowId, () => publishingRouter.Publish(Queues.Transactions, payload, flowId, Queues.APIGateway));
return(ReportCsvSerializer.SerializerUserActivityReport(data.UserId, data.TimestampFrom, data.TimestampTo, data.Granularity, response));
}
public async Task <BatchData> Get([FromQuery(Name = "part")] int part, [FromQuery(Name = "total")] int total, [FromQuery(Name = "timestamp")] DateTime timestamp)
{
var flowId = HttpContext.Items["flowId"].ToString();
Payment[] payments = null;
Loan[] loans = null;
AccountBalance[] balances = null;
var paymentsFlowId = flowId + "_p";
var paymentsEvent = new GetPartPaymentsEvent {
Part = part, TotalParts = total, Timestamp = timestamp
};
var paymentsResponse = await eventsAwaiter.AwaitResponse <SelectedPaymentsEvent>(paymentsFlowId, () => publishingRouter.Publish(Queues.Payments, paymentsEvent, paymentsFlowId, Queues.APIGateway));
payments = paymentsResponse.Payments;
var parallelTasks = new List <Task>();
parallelTasks.Add(Task.Run(async() =>
{
var loansFlowId = flowId + "_l";
var paymentsIds = payments.Select(p => p.Id).ToArray();
var loansEvent = new GetLoansByPaymentsEvent {
PaymentsIds = paymentsIds
};
var loansResponse = await eventsAwaiter.AwaitResponse <SelectedLoansEvent>(loansFlowId, () => publishingRouter.Publish(Queues.Loans, loansEvent, loansFlowId, Queues.APIGateway));
loans = loansResponse.Loans;
}));
parallelTasks.Add(Task.Run(async() =>
{
var balancesFlowId = flowId + "_b";
var accountsIds = payments.Select(p => p.AccountId).Distinct().ToArray();
var balancesEvent = new GetBalancesEvent {
Ids = accountsIds
};
var balancesRequest = await eventsAwaiter.AwaitResponse <SelectedBalancesEvent>(balancesFlowId, () => publishingRouter.Publish(Queues.Accounts, balancesEvent, balancesFlowId, Queues.APIGateway));
balances = balancesRequest.Balances;
}));
await Task.WhenAll(parallelTasks);
return(new BatchData
{
Balances = balances.Select(b => mapper.Map <BalanceDTO>(b)).ToArray(),
Loans = loans.Select(l => mapper.Map <LoanDTO>(l)).ToArray(),
Payments = payments.Select(p => mapper.Map <PaymentDTO>(p)).ToArray()
});
}
public async Task Transfer(MessageContext context, TransferEvent inputEvent)
{
var card = cardsRepository.GetCard(inputEvent.Transfer.CardId);
if (card == null)
{
throw new ArgumentException("Card not found.");
}
var blockRequestTime = DateTime.UtcNow;
var title = $"{DateTime.UtcNow} card usage for a transfer worth {inputEvent.Transfer.Amount} EUR";
var transfer = new Transfer
{
AccountId = card.AccountId,
CardId = card.Id,
Recipient = inputEvent.Transfer.Recipient,
Amount = inputEvent.Transfer.Amount,
Title = title
};
var accountTransferEvent = new TransferEvent {
Transfer = transfer
};
var reply = await eventsAwaiter.AwaitResponse <SelectedTransactionsEvent>(context.FlowId, () => publishingRouter.Publish(Queues.Accounts, accountTransferEvent, context.FlowId, Queues.Cards));
var transaction = reply.Transactions.Single();
cardsRepository.CreateBlock(card.Id, transaction.Id, blockRequestTime);
if (context.ReplyTo != null)
{
publishingRouter.Publish(context.ReplyTo, reply, context.FlowId);
}
}
public async Task <Panel> Panel(string userId)
{
var mainFlowId = HttpContext.Items["flowId"].ToString();
var panel = new Panel {
Accounts = new AccountDTO[0], Cards = new CardDTO[0], Payments = new PaymentDTO[0], Transactions = new TransactionDTO[0], Loans = new LoanDTO[0]
};
var accountsFlowId = mainFlowId + "_a";
var accountsEvent = new GetUserAccountsEvent {
UserId = userId
};
var accountsResponse = await eventsAwaiter.AwaitResponse <SelectedAccountsEvent>(accountsFlowId, () => publishingRouter.Publish(Queues.Accounts, accountsEvent, accountsFlowId, Queues.APIGateway));
panel.Accounts = mapper.Map <AccountDTO[]>(accountsResponse.Accounts);
var accountsIds = accountsResponse.Accounts.Select(a => a.Id).ToArray();
if (accountsIds.Any())
{
var parallelTasks = new List <Task>();
parallelTasks.Add(Task.Run(async() =>
{
var transactionsFlowId = mainFlowId + "_t";
var transactionsEvent = new FilterTransactionsEvent {
Senders = accountsIds, Top = PanelTransactionsCount
};
var transactionsResponse = await eventsAwaiter.AwaitResponse <SelectedTransactionsEvent>(transactionsFlowId, () => publishingRouter.Publish(Queues.Transactions, transactionsEvent, transactionsFlowId, Queues.APIGateway));
panel.Transactions = mapper.Map <TransactionDTO[]>(transactionsResponse.Transactions);
}));
parallelTasks.Add(Task.Run(async() =>
{
var paymentsFlowId = mainFlowId + "_p";
var paymentsEvent = new GetPaymentsByAccountsEvent {
AccountsIds = accountsIds
};
var paymentsResponse = await eventsAwaiter.AwaitResponse <SelectedPaymentsEvent>(paymentsFlowId, () => publishingRouter.Publish(Queues.Payments, paymentsEvent, paymentsFlowId, Queues.APIGateway));
panel.Payments = mapper.Map <PaymentDTO[]>(paymentsResponse.Payments);
var loansFlowId = mainFlowId + "_l";
var paymentsIds = paymentsResponse.Payments.Select(p => p.Id).ToArray();
var loansEvent = new GetLoansByPaymentsEvent {
PaymentsIds = paymentsIds
};
var loansResponse = await eventsAwaiter.AwaitResponse <SelectedLoansEvent>(loansFlowId, () => publishingRouter.Publish(Queues.Loans, loansEvent, loansFlowId, Queues.APIGateway));
panel.Loans = mapper.Map <LoanDTO[]>(loansResponse.Loans);
}));
parallelTasks.Add(Task.Run(async() =>
{
var cardsFlowId = mainFlowId + "_c";
var cardsEvent = new GetCardsByAccountsEvent {
AccountsIds = accountsIds
};
var cardsResponse = await eventsAwaiter.AwaitResponse <SelectedCardsEvent>(cardsFlowId, () => publishingRouter.Publish(Queues.Cards, cardsEvent, cardsFlowId, Queues.APIGateway));
panel.Cards = mapper.Map <CardDTO[]>(cardsResponse.Cards);
}));
await Task.WhenAll(parallelTasks);
}
return(panel);
}
