Reo.Core.BaseDomainModels.MediatR 8.0.492

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dotnet add package Reo.Core.BaseDomainModels.MediatR --version 8.0.492
                    
NuGet\Install-Package Reo.Core.BaseDomainModels.MediatR -Version 8.0.492
                    
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<PackageReference Include="Reo.Core.BaseDomainModels.MediatR" Version="8.0.492" />
                    
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<PackageVersion Include="Reo.Core.BaseDomainModels.MediatR" Version="8.0.492" />
                    
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<PackageReference Include="Reo.Core.BaseDomainModels.MediatR" />
                    
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For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Reo.Core.BaseDomainModels.MediatR --version 8.0.492
                    
#r "nuget: Reo.Core.BaseDomainModels.MediatR, 8.0.492"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Reo.Core.BaseDomainModels.MediatR@8.0.492
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Reo.Core.BaseDomainModels.MediatR&version=8.0.492
                    
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#tool nuget:?package=Reo.Core.BaseDomainModels.MediatR&version=8.0.492
                    
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Reo.Core.BaseDomainModels.MediatR

Описание пакета

Пакет Reo.Core.BaseDomainModels.MediatR предоставляет набор базовых классов и интерфейсов для построения приложений на основе Domain-Driven Design (DDD) с интеграцией MediatR. Он решает задачи структурирования бизнес-логики, управления доменными событиями и командами, а также обеспечивает удобный способ взаимодействия с репозиториями.

Основные функции:

  • Поддержка доменных моделей (агрегатов) с идентификаторами.
  • Интеграция с MediatR для обработки команд и событий.
  • Абстракции для репозиториев (чтение и запись данных).
  • Упрощение реализации паттернов CQRS и Event Sourcing.

Основные компоненты

1. IReoAggregateRoot<TId>

Интерфейс для агрегатов доменной модели. Определяет обязательные свойства и методы, такие как Id и методы для обработки команд и событий.

2. IReoDomainCommand / IReoDomainCommandWithResult

Интерфейсы для команд, которые могут быть обработаны через MediatR. IReoDomainCommand используется для команд без возвращаемого значения, а IReoDomainCommandWithResult — для команд, возвращающих bool.

3. IReoDomainEvent

Интерфейс для доменных событий, реализующих INotification из MediatR. Используется для публикации событий после изменения состояния агрегата.

4. IReoDomainCommandsExecutor / IReoDomainEventsExecutor

Интерфейсы для исполнения команд и событий. Реализуются в базовых классах, таких как ReoAggregateRoot, и обеспечивают интеграцию с MediatR.

5. IReoDomainReadOnlyRepository<TAggregateRoot> / IReoDomainWriteOnlyRepository<TAggregateRoot>

Абстракции для репозиториев. Предоставляют методы для чтения и записи агрегатов в хранилище данных.

6. ReoAggregateRoot<TId>

Базовый класс для реализации агрегатов. Реализует IReoAggregateRoot<TId>, IReoDomainCommandsExecutor, IReoDomainEventsExecutor и предоставляет методы для добавления команд и событий.

Требования

Установка

NuGet Package Manager

Install-Package Reo.Core.BaseDomainModels.MediatR

.NET CLI

dotnet add package Reo.Core.BaseDomainModels.MediatR

Настройка

Регистрация в DI-контейнере (ASP.NET Core)

Добавьте сервисы в ConfigureServices в Startup.cs или Program.cs:

services.AddMediatR(cfg => {
    cfg.RegisterServicesFromAssembly(typeof(Startup).Assembly);
});

Пример регистрации репозиториев

services.AddScoped<IReoDomainReadOnlyRepository<MyAggregateRoot>, MyRepository>();
services.AddScoped<IReoDomainWriteOnlyRepository<MyAggregateRoot>, MyRepository>();

Использование

Пример 1: Создание агрегата и обработка команды

public class CreateOrderCommand : IReoDomainCommand
{
    public Guid CustomerId { get; set; }
    public List<OrderItem> Items { get; set; }
}

public class OrderAggregate : ReoAggregateRoot<Guid>
{
    public Guid CustomerId { get; private set; }
    public List<OrderItem> Items { get; private set; }

    public void Apply(CreateOrderCommand command)
    {
        CustomerId = command.CustomerId;
        Items = command.Items;
        AddDomainEvent(new OrderCreatedEvent { OrderId = Id });
    }
}

public class OrderCreatedEvent : IReoDomainEvent
{
    public Guid OrderId { get; set; }
}

Пример 2: Обработчик команды

public class CreateOrderCommandHandler : IRequestHandler<CreateOrderCommand>
{
    private readonly IReoDomainWriteOnlyRepository<OrderAggregate> _repository;

    public CreateOrderCommandHandler(IReoDomainWriteOnlyRepository<OrderAggregate> repository)
    {
        _repository = repository;
    }

    public async Task Handle(CreateOrderCommand command, CancellationToken token)
    {
        var aggregate = new OrderAggregate();
        aggregate.Apply(command);
        await _repository.SaveAsync(aggregate, token);
    }
}

Пример 3: Обработчик события

public class OrderCreatedEventHandler : INotificationHandler<OrderCreatedEvent>
{
    public async Task Handle(OrderCreatedEvent notification, CancellationToken token)
    {
        // Логика обработки события (например, отправка уведомления).
        Console.WriteLine($"Order created: {notification.OrderId}");
    }
}

Лицензия

Этот пакет распространяется под лицензией MIT License.

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1)

Showing the top 1 NuGet packages that depend on Reo.Core.BaseDomainModels.MediatR:

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Reo.Core.Application.Abstractions.MediatR

Package Description

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