public UserClubAssignmentService(
AggregateManagerRef aggregateManagerRef,
ActorSystem actorSystem)
{
AggregateManager = aggregateManagerRef.Ref;
ActorSystem = actorSystem;
Queue = Source.Queue <AssignUserToClubFlow>(5, OverflowStrategy.Backpressure);
AssignmentFlow = Flow.Create <AssignUserToClubFlow>()
.Ask <GetUserState>()
.SelectAsync(4, async x =>
{
var getUserState = new GetUserState(x.UserId);
var userState = await x.AggregateManager.Ask <UserState>(getUserState, TimeSpan.FromMilliseconds(500));
x.UserState = userState;
return(x);
})
.SelectAsync(4, async x =>
{
var getBankAccountState = new GetBankAccountState(x.UserId);
var bankAccountState = await x.AggregateManager.Ask <BankAccountState>(getBankAccountState, TimeSpan.FromMilliseconds(500));
x.BankAccountState = bankAccountState;
return(x);
})
.Select(x =>
{
var networth = x.BankAccountState.Savings - x.BankAccountState.Credit;
AddMember addMemberCommand = null;
if (networth < 4)
{
addMemberCommand = new AddGoldMember(x.UserId);
}
else if (networth < 6)
{
addMemberCommand = new AddPlatinumMember(x.UserId);
}
else
{
addMemberCommand = new AddBlackMember(x.UserId);
}
AggregateManager.Tell(addMemberCommand);
return(new AssignmentSummary
{
UserId = x.UserId,
Name = x.UserState.Name,
Email = x.UserState.Email,
NetWorth = networth
});
});
}
public async Task When_flow_is_opened_user_is_assigned_to_a_club()
{
var aggregateManager = Sys.ActorOf(Props.Create(() => new AggregateManager()));
var aggregateManagerRef = new AggregateManagerRef(aggregateManager);
var userClubAssignmentService = new UserClubAssignmentService(aggregateManagerRef, Sys);
var flowUnderTest = userClubAssignmentService.AssignmentFlow;
var queue = userClubAssignmentService.Queue;
var materializer = Sys.Materializer();
var probe = this.SinkProbe <AssignmentSummary>();
var id = new Guid("1c041a27-0c61-414e-a002-30706b3411fd");
var name = $"testUser";
var email = $"*****@*****.**";
var registerUser = new RegisterUser(id, name, email, "SE", "1234567890");
var savings = 20;
var credit = 14;
var openAccount = new OpenBankAccount(id, savings, credit);
aggregateManager.Tell(registerUser, ActorRefs.NoSender);
aggregateManager.Tell(openAccount, ActorRefs.NoSender);
var assignmentCommand = new AssignUserToClubFlow
{
UserId = id,
AggregateManager = aggregateManager
};
using (materializer)
{
var flow = queue
.Via(flowUnderTest)
.ToMaterialized(probe, Keep.Both)
.Run(materializer);
var q = flow.Item1;
var sink = flow.Item2;
var result = await q.OfferAsync(assignmentCommand);
sink.Request(1);
//sink.RequestNext();
sink.ExpectNext <AssignmentSummary>(x =>
x.Email == email &&
x.NetWorth == savings - credit);
}
}