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[MASA.Framework](https://github.com/masastack/Masa.Framework), [Dapr](https://github.com/dapr/dapr).\n\n## Directory Structure\n\n```\nMasa.EShop\n├── dapr\n│   ├── components                           dapr local components directory\n│   │   ├── pubsub.yaml                      pub/sub config file\n│   │   └── statestore.yaml                  state management config file\n├── src\n│   ├── Api\n│   │   ├── Masa.EShop.Api.Caller            Caller package\n│   │   └── Masa.EShop.Api.Open              BFF Layer, provide API to Web.Client\n│   ├── Contracts                            Common contracts，like Event Class\n│   │   ├── Masa.EShop.Contracts.Basket\n│   │   ├── Masa.EShop.Contracts.Catalog\n│   │   ├── Masa.EShop.Contracts.Ordering\n│   │   └── Masa.EShop.Contracts.Payment\n│   ├── Services\n│   │   ├── Masa.EShop.Services.Basket\n│   │   ├── Masa.EShop.Services.Catalog\n│   │   ├── Masa.EShop.Services.Ordering\n│   │   └── Masa.EShop.Services.Payment\n│   ├── Web\n│   │   ├── Masa.EShop.Web.Admin\n│   │   └── Masa.EShop.Web.Client\n├── test\n|   └── Masa.EShop.Services.Catalog.Tests\n├── docker-compose\n│   ├── Masa.EShop.Web.Admin\n│   └── Masa.EShop.Web.Client\n├── .gitignore\n├── LICENSE\n├── .dockerignore\n└── README.md\n```\n\n## Project Structure\n\n![Project Structure](img/eshop.png)\n\n## Project Architecture\n\n![架构图](img/eshop-architectureks.png)\n\n## Getting started\n\n- Preparation\n\n  - Docker\n  - VS 2022\n  - .Net 6.0\n  - Dapr\n\n- Startup\n\n  - VS 2022(Recommended)\n\n    Set docker-compose as start project, press `Ctrl + F5` to start.\n\n    ![vs-run](img/vs_run.png)\n\n    After startup, you can see the container view.\n\n    ![vs-result](img/vs_result.png)\n\n  - CLI\n\n    Run the command in the project root directory.\n\n    ```\n    docker-compose build\n    docker-compose up\n    ```\n\n    After startup, the output is as follows.\n\n    ![cli-result](img/cli_result.png)\n\n  - VS Code (Todo)\n\n- Display after startup(Update later)\n\n  Baseket Service: http://localhost:8081/swagger/index.html  \n  Catalog Service: http://localhost:8082/swagger/index.html  \n  Ordering Service: http://localhost:8083/swagger/index.html  \n  Payment Service: http://localhost:8084/swagger/index.html  \n  Admin Web: empty  \n  Client Web: http://localhost:8090/catalog\n\n## Features\n\n#### MinimalAPI\n\nThe service in the project uses the `Minimal API` added in .NET 6 instead of the Web API.\n\n\u003e For more Minimal API content reference [mvc-to-minimal-apis-aspnet-6](https://benfoster.io/blog/mvc-to-minimal-apis-aspnet-6/)\n\n```C#\nvar builder = WebApplication.CreateBuilder(args);\nvar app = builder.Build();\napp.MapGet(\"/api/v1/helloworld\", ()=\u003e\"Hello World\");\napp.Run();\n```\n\n`Masa.Contrib.Service.MinimalAPIs` based on `Masa.BuildingBlocks`:\n\nProgram.cs\n\n```C#\nvar builder = WebApplication.CreateBuilder(args);\nvar app = builder.Services.AddServices(builder);\napp.Run();\n```\n\nHelloService.cs\n\n```C#\npublic class HelloService : ServiceBase\n{\n    public HelloService(IServiceCollection services): base(services) =\u003e\n        App.MapGet(\"/api/v1/helloworld\", ()=\u003e\"Hello World\"));\n}\n```\n\n\u003e The `ServiceBase` class (like ControllerBase) provided by `Masa.BuildingBlocks` is used to define Service class (like Controller), maintains the route registry in the constructor. The `AddServices(builder)` method will auto register all the service classes to DI. Service inherited from ServiceBase is `similar to singleton pattern`. Such as `Repostory`, should be injected with the `FromService`.\n\n#### Dapr\n\nThe official Dapr implementation, Masa.Contrib references the Event section.\n\nMore Dapr content reference: https://docs.microsoft.com/zh-cn/dotnet/architecture/dapr-for-net-developers/\n\n1. Add Dapr\n\n```C#\nbuilder.Services.AddDaprClient();\n...\napp.UseRouting();\napp.UseCloudEvents();\napp.UseEndpoints(endpoints =\u003e\n{\n    endpoints.MapSubscribeHandler();\n});\n```\n\n2. Publish event\n\n```C#\nvar @event = new OrderStatusChangedToValidatedIntegrationEvent();\nawait _daprClient.PublishEventAsync\n(\n    \"pubsub\",\n    nameof(OrderStatusChangedToValidatedIntegrationEvent),\n    @event\n);\n```\n\n3. Sub event\n\n```C#\n [Topic(\"pubsub\", nameof(OrderStatusChangedToValidatedIntegrationEvent)]\n public async Task OrderStatusChangedToValidatedAsync(\n     OrderStatusChangedToValidatedIntegrationEvent integrationEvent,\n     [FromServices] ILogger\u003cIntegrationEventService\u003e logger)\n {\n     logger.LogInformation(\"----- integration event: {IntegrationEventId} at {AppName} - ({@IntegrationEvent})\", integrationEvent.Id, Program.AppName, integrationEvent);\n }\n```\n\n\u003e `Topic` first parameter `pubsub` is the `name` field in the `pubsub.yaml` file.\n\n#### Actor\n\n1. Add Actor\n\n```C#\napp.UseEndpoints(endpoint =\u003e\n{\n    ...\n    endpoint.MapActorsHandlers();\n});\n```\n\n2. Define actor interface and inherit IActor.\n\n```C#\npublic interface IOrderingProcessActor : IActor\n{\n```\n\n3. Implement `IOrderingProcessActor` and inherit the `Actor` class. The sample project also implements the `IRemindable` interface, and 'RegisterReminderAsync' method.\n\n```C#\npublic class OrderingProcessActor : Actor, IOrderingProcessActor, IRemindable\n{\n    //todo\n}\n```\n\n4. Register Actor\n\n```C#\nbuilder.Services.AddActors(options =\u003e\n{\n    options.Actors.RegisterActor\u003cOrderingProcessActor\u003e();\n});\n```\n\n5. Invoke actor\n\n```C#\nvar actorId = new ActorId(order.Id.ToString());\nvar actor = ActorProxy.Create\u003cIOrderingProcessActor\u003e(actorId, nameof(OrderingProcessActor));\n```\n\n#### EventBus\n\nOnly In-Process events.\n\n1. Add EventBus\n\n```C#\nbuilder.Services.AddEventBus();\n```\n\n2. Define Event\n\n```C#\npublic class DemoEvent : Event\n{\n    //todo 自定义属性事件参数\n}\n```\n\n3. Send Event\n\n```C#\nIEventBus eventBus;\nawait eventBus.PublishAsync(new DemoEvent());\n```\n\n4. Hanle Event\n\n```C#\n[EventHandler]\npublic async Task DemoHandleAsync(DemoEvent @event)\n{\n    //todo\n}\n```\n\n#### IntegrationEventBus\n\nCross-Process event, In-Process event also supported when `EventBus` is added.\n\n1. Add IntegrationEventBus\n\n```C#\nbuilder.Services\n    .AddDaprEventBus\u003cIntegrationEventLogService\u003e();\n//   .AddDaprEventBus\u003cIntegrationEventLogService\u003e(options=\u003e{\n//        //todo\n//       options.UseEventBus();//Add EventBus\n//    });\n```\n\n2. Define Event\n\n```C#\npublic class DemoIntegrationEvent : IntegrationEvent\n{\n    public override string Topic { get; set; } = nameof(DemoIntegrationEvent);\n    //todo\n}\n```\n\n\u003e `Topic` property is the value of the dapr `TopicAttribute` second parameter.\n\n3. Send Event\n\n```C#\npublic class DemoService\n{\n    private readonly IIntegrationEventBus _eventBus;\n\n    public DemoService(IIntegrationEventBus eventBus)\n    {\n        _eventBus = eventBus;\n    }\n\n    //todo\n\n    public async Task DemoPublish()\n    {\n        //todo\n        await _eventBus.PublishAsync(new DemoIntegrationEvent());\n    }\n}\n```\n\n4. Handle Event\n\n```C#\n[Topic(\"pubsub\", nameof(DemoIntegrationEvent))]\npublic async Task DemoIntegrationEventHandleAsync(DemoIntegrationEvent @event)\n{\n    //todo\n}\n```\n\n#### CQRS\n\nMore CQRS content reference：https://docs.microsoft.com/en-us/azure/architecture/patterns/cqrs\n\n##### Query\n\n1. Define Query\n\n```c#\npublic class CatalogItemQuery : Query\u003cList\u003cCatalogItem\u003e\u003e\n{\n    public string Name { get; set; } = default!;\n\n    public override List\u003cCatalogItem\u003e Result { get; set; } = default!;\n}\n```\n\n2. Add QueryHandler:\n\n```c#\npublic class CatalogQueryHandler\n{\n    private readonly ICatalogItemRepository _catalogItemRepository;\n\n    public CatalogQueryHandler(ICatalogItemRepository catalogItemRepository) =\u003e _catalogItemRepository = catalogItemRepository;\n\n    [EventHandler]\n    public async Task ItemsWithNameAsync(CatalogItemQuery query)\n    {\n        query.Result = await _catalogItemRepository.GetListAsync(query.Name);\n    }\n}\n```\n\n3. Send Query\n\n```C#\nIEventBus eventBus;// DI is recommended\nawait eventBus.PublishAsync(new CatalogItemQuery(){\n    Name = \"Rolex\"\n});\n```\n\n##### Command\n\n1. Define Command\n\n```c#\npublic class CreateCatalogItemCommand : Command\n{\n    public string Name { get; set; } = default!;\n\n    //todo\n}\n```\n\n2. Add CommandHandler：\n\n```c#\npublic class CatalogCommandHandler\n{\n    private readonly ICatalogItemRepository _catalogItemRepository;\n\n    public CatalogCommandHandler(ICatalogItemRepository catalogItemRepository) =\u003e _catalogItemRepository = catalogItemRepository;\n\n    [EventHandler]\n    public async Task CreateCatalogItemAsync(CreateCatalogItemCommand command)\n    {\n        //todo\n    }\n}\n```\n\n3. 发送 Command\n\n```C#\nIEventBus eventBus;\nawait eventBus.PublishAsync(new CreateCatalogItemCommand());\n```\n\n#### DDD\n\nMore DDD content reference:https://docs.microsoft.com/en-us/dotnet/architecture/microservices/microservice-ddd-cqrs-patterns/ddd-oriented-microservice\n\nBoth In-Process and Cross-Process events are supported.\n\n1. Add DomainEventBus\n\n```c#\n.AddDomainEventBus(options =\u003e\n{\n    options.UseEventBus()\n        .UseUow\u003cPaymentDbContext\u003e(dbOptions =\u003e dbOptions.UseSqlServer(\"server=masa.eshop.services.eshop.database;uid=sa;pwd=P@ssw0rd;database=payment\"))\n        .UseDaprEventBus\u003cIntegrationEventLogService\u003e()\n        .UseEventLog\u003cPaymentDbContext\u003e()\n        .UseRepository\u003cPaymentDbContext\u003e();//使用Repository的EF版实现\n})\n```\n\n2. Define DomainCommand(In-Process)\n\nTo verify payment command, you need to inherit DomainCommand or DomainQuery\u003c\u003e\n\n```C#\npublic class OrderStatusChangedToValidatedCommand : DomainCommand\n{\n    public Guid OrderId { get; set; }\n}\n```\n\n3. Send DomainCommand\n\n```C#\nIDomainEventBus domainEventBus;\nawait domainEventBus.PublishAsync(new OrderStatusChangedToValidatedCommand()\n{\n    OrderId = \"OrderId\"\n});\n```\n\n4. Add Handler\n\n```C#\n[EventHandler]\npublic async Task ValidatedHandleAsync(OrderStatusChangedToValidatedCommand command)\n{\n    //todo\n}\n```\n\n5. Define DomainEvent(Cross-Process))\n\n```c#\npublic class OrderPaymentSucceededDomainEvent : IntegrationDomainEvent\n{\n     public Guid OrderId { get; init; }\n\n    public override string Topic { get; set; } = nameof(OrderPaymentSucceededIntegrationEvent);\n\n    private OrderPaymentSucceededDomainEvent()\n    {\n    }\n\n    public OrderPaymentSucceededDomainEvent(Guid orderId) =\u003e OrderId = orderId;\n}\n\npublic class OrderPaymentFailedDomainEvent : IntegrationDomainEvent\n{\n    public Guid OrderId { get; init; }\n\n    public override string Topic { get; set; } = nameof(OrderPaymentFailedIntegrationEvent);\n\n    private OrderPaymentFailedDomainEvent()\n    {\n    }\n\n    public OrderPaymentFailedDomainEvent(Guid orderId) =\u003e OrderId = orderId;\n}\n```\n\n6. Define domain service and send IntegrationDomainEvent(Cross-Process)\n\n```c#\npublic class PaymentDomainService : DomainService\n{\n    private readonly ILogger\u003cPaymentDomainService\u003e _logger;\n\n    public PaymentDomainService(IDomainEventBus eventBus, ILogger\u003cPaymentDomainService\u003e logger) : base(eventBus)\n        =\u003e _logger = logger;\n\n    public async Task StatusChangedAsync(Aggregate.Payment payment)\n    {\n        IIntegrationDomainEvent orderPaymentDomainEvent;\n        if (payment.Succeeded)\n        {\n            orderPaymentDomainEvent = new OrderPaymentSucceededDomainEvent(payment.OrderId);\n        }\n        else\n        {\n            orderPaymentDomainEvent = new OrderPaymentFailedDomainEvent(payment.OrderId);\n        }\n        _logger.LogInformation(\"----- Publishing integration event: {IntegrationEventId} from {AppName} - ({@IntegrationEvent})\", orderPaymentDomainEvent.Id, Program.AppName, orderPaymentDomainEvent);\n        await EventBus.PublishAsync(orderPaymentDomainEvent);\n    }\n}\n```\n\n## Service Description\n\n#### Masa.EShop.Services.Basket\n\n1. Add [MinimalAPI](####MinimalAPI)\n2. Add and use [Dapr](####Dapr)\n\n#### Masa.EShop.Services.Catalog\n\n1. Add [MinimalAPI](####MinimalAPI)\n2. Add [DaprEventBus](####IntegrationEventBus)\n\n```c#\nbuilder.Services\n.AddDaprEventBus\u003cIntegrationEventLogService\u003e(options =\u003e\n{\n    options.UseEventBus()\n           .UseUow\u003cCatalogDbContext\u003e(dbOptions =\u003e dbOptions.UseSqlServer(\"server=masa.eshop.services.eshop.database;uid=sa;pwd=P@ssw0rd;database=catalog\"))\n           .UseEventLog\u003cCatalogDbContext\u003e();\n})\n```\n\n3. Use [CQRS](####CQRS)\n\n#### Masa.EShop.Services.Ordering\n\n1. Add [MinimalAPI](####MinimalAPI)\n2. Add [DaprEventBus](####IntegrationEventBus)\n\n```C#\nbuilder.Services\n    .AddMasaDbContext\u003cOrderingContext\u003e(dbOptions =\u003e dbOptions.UseSqlServer(\"Data Source=masa.eshop.services.eshop.database;uid=sa;pwd=P@ssw0rd;database=order\"))\n    .AddDaprEventBus\u003cIntegrationEventLogService\u003e(options =\u003e\n    {\n        options.UseEventBus().UseEventLog\u003cOrderingContext\u003e();\n    })\n```\n\n3. Use [CQRS](####CQRS)\n4. Add [Actor](####Actor)\n5. Modify docker-compse file\n\n`docker-compose.yml` add `dapr` service;\n\n```yaml\ndapr-placement:\n  image: \"daprio/dapr:1.4.0\"\n```\n\n`docker-compose.override.yml` add command and port mapping.\n\n```yaml\ndapr-placement:\n  command: [\"./placement\", \"-port\", \"50000\", \"-log-level\", \"debug\"]\n  ports:\n    - \"50000:50000\"\n```\n\n`ordering.dapr` service add command\n\n```yaml\n\"-placement-host-address\", \"dapr-placement:50000\"\n```\n\n#### Masa.EShop.Services.Payment\n\n1. Add [MinimalAPI](####MinimalAPI)\n2. Add [DomainEventBus](####DDD)\n\n```C#\nbuilder.Services\n.AddDomainEventBus(options =\u003e\n{\n    options.UseEventBus()\n        .UseUow\u003cPaymentDbContext\u003e(dbOptions =\u003e dbOptions.UseSqlServer(\"server=masa.eshop.services.eshop.database;uid=sa;pwd=P@ssw0rd;database=payment\"))\n        .UseDaprEventBus\u003cIntegrationEventLogService\u003e()\n        .UseEventLog\u003cPaymentDbContext\u003e()\n        .UseRepository\u003cPaymentDbContext\u003e();\n})\n```\n\n3. Use [CQRS](####CQRS)\n\n4. Use [DDD](####DDD)\n\n# Function Introduction\n\nUpdate later\n\n# Nuget Package Introduction\n\n```c#\nInstall-Package Masa.Contrib.Service.MinimalAPIs //MinimalAPI\n```\n\n```c#\nInstall-Package Masa.Contrib.Dispatcher.Events //In-Process event\n```\n\n```c#\nInstall-Package Masa.Contrib.Dispatcher.IntegrationEvents.Dapr //Cross-Process event\nInstall-Package Masa.Contrib.Dispatcher.IntegrationEvents.EventLogs.EF //Local message table\n```\n\n```c#\nInstall-Package Masa.Contrib.Data.UoW.EF //EF UoW\n```\n\n```c#\nInstall-Package Masa.Contrib.ReadWriteSpliting.Cqrs //CQRS\n```\n\n```c#\nInstall-Package Masa.BuildingBlocks.Ddd.Domain //DDD相关实现\nInstall-Package Masa.Contrib.Ddd.Domain.Repository.EF //Repository实现\n```\n\n\n\n## Interactive\n\n| QQ group                                        | WX public account                                            | WX Customer Service                                          |\n| ----------------------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |\n| ![masa.blazor-qq](img/masa.blazor-qq-group.png) | ![masa.blazor-weixin](img/masa.blazor-wechat-public-account.png) | ![masa.blazor-weixin](img/masa.blazor-wechat-customer-service.png) |\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmasalabs%2FMASA.EShop","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmasalabs%2FMASA.EShop","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmasalabs%2FMASA.EShop/lists"}