Automapper自定义解析 - 注入到库构造

问题描述

我想创建一个自定义解析为automapper这需要访问我的数据存储库中检索登录的用户帐户之一。

I am trying to create a custom resolver for automapper which needs to access one of my data repositories to retreive the logged in users account.

下面是我的代码，所以远...

Here is my code so far...

public class FollowingResolver : ValueResolver<Audio, bool>
    {
        readonly IIdentityTasks identityTasks;

        public FollowingResolver(IIdentityTasks identitTasks)
        {
            this.identityTasks = identitTasks;
        }

        protected override bool ResolveCore(Audio source)
        {
            var user = identityTasks.GetCurrentIdentity();
            if (user != null)
                return user.IsFollowingUser(source.DJAccount);

            return false;
        }
    }

但是我得到这个错误：

However I am getting this error:

FollowingResolver' does not have a default constructor

我曾尝试添加一个默认contrstructor但我的仓库永远不会被初始化，然后

I have tried adding a default contrstructor but my repository never gets initialised then.

这是我的autoampper初始化代码：

This is my autoampper initialisation code:

public static void Configure(IWindsorContainer container)
        {
            Mapper.Reset();
            Mapper.Initialize(x =>
            {
                x.AddProfile<AccountProfile>();
                x.AddProfile<AudioProfile>();
                x.ConstructServicesUsing(container.Resolve);
            });

            Mapper.AssertConfigurationIsValid();
        }

我缺少的东西，它甚至有可能做到像这样还是我我在这里错过了船？

Am I missing something, is it even possible to do it like this or am I missing the boat here?

推荐答案

我正在使用温莎城堡，而试图注入一个服务同样的错误。

I was getting the same error using Castle Windsor while trying to inject a service.

我不得不添加：

Mapper.Initialize(map =>
{
    map.ConstructServicesUsing(_container.Resolve);
});

在 Mapper.CreateMap 来电。

创建一个 ValueResolverInstaller 是这样的：

public class ValueResolverInstaller : IWindsorInstaller
{
    public void Install(IWindsorContainer container, IConfigurationStore store)
    {
        container.Register(Classes.FromThisAssembly()
                                .BasedOn<IValueResolver>()
                                .LifestyleTransient());
    }
}

和 ValueResolver 本身：

public class DivergencesResolver : ValueResolver<MyClass, int>
{
    private AssessmentService assessmentService;

    public DivergencesResolver(AssessmentService assessmentService)
    {
        this.assessmentService = assessmentService;
    }

    protected override int ResolveCore(MyClass c)
    {
        return assessmentService.GetAssessmentDivergences(c.AssessmentId).Count();
    }
}

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