Page History

version: '3.8'

services:
  ravendb:
    image: ravendb/ravendb:ubuntu-latest
    container_name: ravendb
    ports:
      - "9000:8080"
    environment:
      - RAVEN_Setup_Mode=None
      - RAVEN_License_Eula_Accepted=true
    volumes:
      - ravendb_data:/ravendb/data
      - ravendb_logs:/ravendb/logs

volumes:
  ravendb_data:
  ravendb_logs:

public class Member
{
    public string Id { get; set; } // RavenDB는 기본적으로 Id를 문서 키로 사용
    public string Name { get; set; }
    public string Email { get; set; }
    public int Age { get; set; }
}

public class MemberRepository
{
    private readonly IDocumentStore _store;

    public MemberRepository(IDocumentStore store)
    {
        _store = store ?? throw new ArgumentNullException(nameof(store));
    }

    public void AddMember(Member member)
    {
        using (var session = _store.OpenSession())
        {
            session.Store(member);
            session.SaveChanges();
        }
    }

    public Member GetMemberById(string id)
    {
        using (var session = _store.OpenSession())
        {
            return session.Load<Member>(id);
        }
    }

    public void UpdateMember(Member member)
    {
        using (var session = _store.OpenSession())
        {
            var existingMember = session.Load<Member>(member.Id);
            if (existingMember != null)
            {
                existingMember.Name = member.Name;
                existingMember.Email = member.Email;
                existingMember.Age = member.Age;
                session.SaveChanges();
            }
        }
    }

    public void DeleteMember(string id)
    {
        using (var session = _store.OpenSession())
        {
            var member = session.Load<Member>(id);
            if (member != null)
            {
                session.Delete(member);
                session.SaveChanges();
            }
        }
    }
}

public class MemberRepositoryTest : TestKitXunit
{
    private readonly IDocumentStore _store;
    private readonly MemberRepository _repository;
    
    public MemberRepositoryTest(ITestOutputHelper output) : base(output)
    {
        // RavenDB 임베디드 서버 초기화
        _store = new DocumentStore
        {
            Urls = new[] { "http://localhost:9000" }, // 로컬 RavenDB URL
            Database = "net-core-labs"
        };
        _store.Initialize();

        // MemberRepository 초기화
        _repository = new MemberRepository(_store);
    }
    
    [Fact]
    public void AddMember_ShouldAddMemberSuccessfully()
    {
        // Arrange
        var member = new Member
        {
            Name = "John Doe",
            Email = "john.doe@example.com",
            Age = 30
        };

        // Act
        _repository.AddMember(member);

        // Assert
        var retrievedMember = _repository.GetMemberById(member.Id);
        Assert.NotNull(retrievedMember);
        Assert.Equal("John Doe", retrievedMember.Name);
    }

    [Fact]
    public void UpdateMember_ShouldUpdateMemberSuccessfully()
    {
        // Arrange
        var member = new Member
        {
            Name = "Jane Doe",
            Email = "jane.doe@example.com",
            Age = 25
        };
        _repository.AddMember(member);

        // Act
        member.Age = 26;
        _repository.UpdateMember(member);

        // Assert
        var updatedMember = _repository.GetMemberById(member.Id);
        Assert.NotNull(updatedMember);
        Assert.Equal(26, updatedMember.Age);
    }

    [Fact]
    public void DeleteMember_ShouldDeleteMemberSuccessfully()
    {
        // Arrange
        var member = new Member
        {
            Name = "Mark Smith",
            Email = "mark.smith@example.com",
            Age = 40
        };
        _repository.AddMember(member);

        // Act
        _repository.DeleteMember(member.Id);

        // Assert
        var deletedMember = _repository.GetMemberById(member.Id);
        Assert.Null(deletedMember);
    }
    
}

public class SalesActor: ReceivePersistentActor
{
    // The unique actor id
    public override string PersistenceId => "sales-actor";
    
    // The state that will be persisted in SNAPSHOTS
    private SalesActorState _state;
    
    public SalesActor(long expectedProfit, TaskCompletionSource<bool> taskCompletion)
    {
        _state = new SalesActorState
        {
            totalSales = 0
        }; 
        
        // Process a sale:
        Command<Sale>(saleInfo =>
        {
            if (_state.totalSales < expectedProfit)
            {
                // Persist an EVENT to RavenDB
                // ===========================
                
                // The handler function is executed after the EVENT was saved successfully
                Persist(saleInfo, _ =>
                {
                    // Update the latest state in the actor
                    _state.totalSales += saleInfo.Price;

                    ConsoleHelper.WriteToConsole(ConsoleColor.Black,
                        $"Sale was persisted. Phone brand: {saleInfo.Brand}. Price: {saleInfo.Price}");

                    // Store a SNAPSHOT every 5 sale events
                    // ====================================
                    
                    if (LastSequenceNr != 0 && LastSequenceNr % 5 == 0)
                    {
                        SaveSnapshot(_state.totalSales);
                    }
                });
            }
            else if (!taskCompletion.Task.IsCompleted)
            {
                Sender.Tell(new StopSimulate());
                
                ConsoleHelper.WriteToConsole(ConsoleColor.DarkMagenta,
                    $"Sale not persisted: " +
                    $"Total sales have already reached the expected profit of {expectedProfit}");
                
                ConsoleHelper.WriteToConsole(ConsoleColor.DarkMagenta,
                    _state.ToString());
                
                taskCompletion.TrySetResult(true);
            }
        });
        
        // Handle a SNAPSHOT success msg
        Command<SaveSnapshotSuccess>(success =>
        {
            ConsoleHelper.WriteToConsole(ConsoleColor.Blue,
                $"Snapshot saved successfully at sequence number {success.Metadata.SequenceNr}");
            
            // Optionally, delete old snapshots or events here if needed
            // DeleteMessages(success.Metadata.SequenceNr);
        });
        
        // Recover an EVENT
        Recover<Sale>(saleInfo =>
        {
            _state.totalSales += saleInfo.Price;
            
            ConsoleHelper.WriteToConsole(ConsoleColor.DarkGreen,
                $"Event was recovered. Price: {saleInfo.Price}");
        });
        
        // Recover a SNAPSHOT
        Recover<SnapshotOffer>(offer =>
        {
            var salesFromSnapshot = (long) offer.Snapshot;
            _state.totalSales = salesFromSnapshot;
            
            ConsoleHelper.WriteToConsole(ConsoleColor.DarkGreen,
                $"Snapshot was recovered. Total sales from snapshot: {salesFromSnapshot}");
        });
    }
}

public override string PersistenceId => "sales-actor";

private SalesActorState _state;

Persist(saleInfo, _ =>
{
    _state.totalSales += saleInfo.Price;
    
    if (LastSequenceNr % 5 == 0) {
        SaveSnapshot(_state.totalSales);
    }
});

Sender.Tell(new StopSimulate());
taskCompletion.TrySetResult(true);

Command<SaveSnapshotSuccess>(success => {
    Console.WriteLine(...);
});

public class SalesSimulatorActor : ReceiveActor
{
    private readonly IActorRef _salesActor;
    private ICancelable scheduler;

    public SalesSimulatorActor(IActorRef salesActor)
    {
        _salesActor = salesActor;

        // Schedule the first sale simulation immediately and then every 2 seconds:
        scheduler = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(TimeSpan.Zero, 
            TimeSpan.FromSeconds(2), Self, new StartSimulate(), Self);
        
        Receive<StartSimulate>(HandleStart);
        Receive<StopSimulate>(HandleStop);
    }

    private void HandleStart(StartSimulate message)
    {
        ConsoleHelper.WriteToConsole(ConsoleColor.Black,
            $"About to simulate a sale...");

        Random random = new Random();
        string[] products = { "Apple", "Google", "Nokia", "Xiaomi", "Huawei" };

        var randomBrand = products[random.Next(products.Length)];
        var randomPrice = random.Next(1, 6) * 100; // 100, 200, 300, 400, or 500

        var nextSale = new Sale(randomPrice, randomBrand);
        _salesActor.Tell(nextSale);
    }
    
    private void HandleStop(StopSimulate message)
    {
        scheduler.Cancel();
        ConsoleHelper.WriteToConsole(ConsoleColor.DarkRed,
            "Simulation stopped");
    }
}