Unity ??? ??? ??? ??

??? ??? ???? ????? ?? ??? ?? ?????? ??? ??? ???? ??? ? ????. ? ??, ??? Unity? ???? ??? ?? ??(?: Twitter, Facebook ?)? ?? ??? ?? ????? ???? ???? ?? ??? ???.

?????

?? ??? ???? ?? IAuthenticate ?????? ?????. AppliesTo ???? ???? ???? ??? ??? ??? ????? ?????.

public interface IAuthenticate
{
    bool Login(string user, string pass);
    bool AppliesTo(string providerName);
}

?? ???

TwitterAuth ? FacebookAuth? ?? ??? ???? ????. IAuthenticate? ???? ?? ?? ??? ?????. AppliesTo ????? ??? ??? ??? ???? ???? ?? ???? ?????.

public class TwitterAuth : IAuthenticate
{
    bool Login(string user, string pass) { /* Logic to connect to Twitter API */ }
    bool AppliesTo(string providerName) { return this.GetType().Name.Equals(providerName); }
}

Strategy

IAuthenticateStrategy ?????? ???? ??? ?? ??? ??????. . IAuthenticate ??? ??? ???? AppliesTo ???? ???? ??? ?? ???? ?????.

public interface IAuthenticateStrategy
{
    bool Login(string providerName, string user, string pass);
}

public class AuthenticateStrategy : IAuthenticateStrategy
{
    private readonly IAuthenticate[] _authenticateProviders;

    public AuthenticateStrategy(IAuthenticate[] authenticateProviders) => _authenticateProviders = authenticateProviders;

    public bool Login(string providerName, string user, string pass)
    {
        var provider = _authenticateProviders.FirstOrDefault(x => x.AppliesTo(providerName));

        if (provider == null)
        {
            throw new Exception("Login provider not registered");
        }

        return provider.Login(user, pass);
    }
}

Unity ??

?? ???? ??? ???? ?????. Unity, ??? ??? ?? ??

unityContainer.RegisterType<IAuthenticate, TwitterAuth>("twitterAuth");
unityContainer.RegisterType<IAuthenticate, FacebookAuth>("facebookAuth");
unityContainer.RegisterType<IAuthenticateStrategy, AuthenticateStrategy>(
    new InjectionConstructor(
        new ResolvedArrayParameter<IAuthenticate>(
            new ResolvedParameter<IAuthenticate>("twitterAuth"),
            new ResolvedParameter<IAuthenticate>("facebookAuth")
        )
    ));

??

?????? IAuthenticateStrategy? ???? ?? ???? ??? ??? ??? ??? ?????. name.

public AuthenticateController(IAuthenticateStrategy authenticateStrategy)
{
    if (authenticateStrategy == null)
        throw new ArgumentNullException(nameof(authenticateStrategy));

    _authenticateStrategy = authenticateStrategy;
}

public virtual ActionResult Twitter(string user, string pass)
{
    bool success = _authenticateStrategy.Login("TwitterAuth", user, pass); /* Authenticate using Twitter */
}

public virtual ActionResult Facebook(string user, string pass)
{
    bool success = _authenticateStrategy.Login("FacebookAuth", user, pass); /* Authenticate using Facebook */
}

unity.config

?? unity.config ???? Unity ??? ??? ?? ????.

<register type="IAuthenticate" mapTo="TwitterAuth" name="twitterAuth" />
<register type="IAuthenticate" mapTo="FacebookAuth" name="facebookAuth" />
<register type="IAuthenticateStrategy" mapTo="AuthenticateStrategy" />

? ??? ??? ??? ?? ??? ?? ????? ???? ???? ?? Unity ??? ??? ??? ??? ? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!