如何在单独的程序集中获取用户ID [英] How to get User ID inside a separate assembly

问题描述

我正在开发一个有两个项目的应用程序:

I'm working on an application which has two projects:

1. 核心-使用存储库模式和域驱动设计来容纳数据访问层

2. UI-使用ASP.Net MVC.目前，我可以通过如下所示的User属性获取UI控制器中当前登录的用户的信息(id，名称等):

1. Core - houses the data access layer using repository pattern and domain-driven design

2. UI - using ASP.Net MVC. Currently, I am able to get the current logged in user's info(id, name, etc..) inside the UI controller via the User property like this:

using Microsoft.AspNet.Identity;

public class ExamController : Controller
{
   IExaminationRepository _repository;

   public ExamController()
   {
     _repository = RepositoryFactory.Get<IExaminationRepository>();
   }

   [HttpPost]
   [Authorize(Roles = "Examiner")]
   public ActionResult Create(ExamViewModel viewModel)
   {
      try
      {
        ExaminationDomain domain = Mapper.Map<ExamViewModel, ExaminationDomain>(viewModel);

        //TODO: Move this to the repository
        domain.AuthorId = User.Identity.GetUserId();

        _repository.Add(domain);

        return RedirectToAction("Index");
    }
    catch
    {
        return View();
    }
  }
}

我想将以下行: domain.AuthorId = User.Identity.GetUserId(); 移到我的存储库具体实现中，如下所示:

I would like to move the line: domain.AuthorId = User.Identity.GetUserId(); to my repository concrete implementation like this:

using Microsoft.AspNet.Identity;
using System.Security.Principal;

internal class ExaminationRepository
{
    public DBEntities context;
    public IPrincipal User;

    public ExaminationRepository(DBEntities context)
    {
        this.context = context;
        //I'd like to instantiate User property here:
        this.User = "not sure what to instantiate with";
    }

    public void Add(ExaminationDomain domain)
    {
        Examination newExam = Mapper.Map<ExaminationDomain, Examination>(domain);

        newExam.AuthorId = User.Identity.GetUserId();

        newExam.CreatedBy = User.Identity.Name;

        newExam.CreatedDate = DateTime.Now;

        context.Examinations.Add(newExam);

        context.SaveChanges();

    }

但是我不确定要在构造函数中实例化User属性的内容.我已经阅读了一些使用 WindowsIdentity.GetCurrent().User 的建议，而不是创建用户属性，但这不包含用户ID，仅包含用户名.

But I am not sure what to instantiate the User property to in the constructor. I've read some suggestions to use WindowsIdentity.GetCurrent().User instead of creating a user property but this doesn't contain the user id, only user name.

关于获取用户信息的其他建议?

Any other suggestions on getting user info?

真的很感谢您的帮助.

谢谢

推荐答案

我将使用自定义管理器将您的存储库从httpcontext解耦.例如，我有一个名为IAUthenticationManager的接口

I would decouple your repository from the httpcontext with a custom manager. For example I have a interface called IAUthenticationManager

public interface IAUthenticationManager
{
   string CurrentUserId();

   bool HasCurrentUserRole(string roleName),
}

易于测试并且完全解耦.

Easy to test and fully decoupled.

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