private async Task TrySendNextBatch(IMessageHandlerContext context)
{
var customersInProgress = Data.Invoices.Count(s => s.Status == InvoiceStatus.InProgress);
var customersWaiting = Data.Invoices.Count(s => s.Status == InvoiceStatus.Waiting);
if (customersInProgress > 0)
{
return;
}
if (customersWaiting == 0)
{
Console.WriteLine($"[{Data.BillingRunId}] {customersWaiting} customers remaining, completing saga.");
await context.Publish <InvoiceProposalsCreated>(s => { s.BillingRunId = Data.BillingRunId; });
MarkAsComplete();
return;
}
Console.WriteLine($"[{Data.BillingRunId}] {customersWaiting} customers remaining, sending next batch of {BatchSize}.");
var nextInvoices = Data.Invoices.Where(s => s.Status == InvoiceStatus.Waiting).Take(BatchSize);
foreach (var invoice in nextInvoices)
{
var message = new CreateInvoiceProposalRequest();
message.CustomerId = invoice.CustomerId;
message.BillingRunId = Data.BillingRunId;
invoice.Status = InvoiceStatus.InProgress;
await context.SendLocal(message);
}
}
public async Task Handle(CreateInvoiceProposalRequest message, IMessageHandlerContext context)
{
Console.WriteLine($"\t[{message.BillingRunId}] CreateInvoiceProposalRequest registered.");
Data.CustomerId = message.CustomerId;
Data.BillingRunId = message.BillingRunId;
await context.Send(new CreateInvoice()
{
CustomerId = message.CustomerId
});
}