Demo snippets from the "Clean Architecture: As we have applied in Mr.Milú" slides

demo_data_layer.java

public class Mediator {

	public Observable<Auth> login(Login loginModel) {
		if (loginStrategy.isAlreadyLogged())
			return Observable.from(authCache);
		else
			return repository.login(loginMapper.toRequest(loginModel))
								.map(entity -> authMapper.fromResponse(entity));
	}
}

[...]

public class LoginMapper implements RequestMapper<LoginEntity, Login> {

 	@Override public LoginEntity toRequest(Login model) {
 		// return an entity with username and password
 	}
}

[...]

public class AuthMapper implements ResponseMapper<Auth, AuthEntity> {

 	@Override public Auth fromResponse(AuthEntity entity) {
 		// return a model with auth tokens
 	}
}

[...]

public class AuthEntity {

	private String auth_token;
	private String refresh_token;

	// Also getters and setters
}

[...]

public interface Repository {

	Observable<AuthEntity> login(LoginEntity authEntity)
}

demo_domain_layer.java

public class LoginPresenter extends MeigicPresenter<LoginView> {

	[...]

	private void loginIn(String username, String password) {
		loginSubscription = loginUseCase
								.withUsername(username)
								.withPassword(password)
								.subscribe(onSuccess, onFailure);
	}

	private void onSuccess(Auth auth) {
		// Do something
	}

	private void onFailure(Throwable throwable) {
		// Do something
	}
}

[...]

public class LoginUseCase extends UseCase<Observable<Auth>> implements Command {

	public LoginUseCase withUsername(String username) {
		// Adds the username and returns this
	}

	public LoginUseCase withPassword(String password) {
		// Adds the password and returns this
	}

	@Override public Subscription execute() {
		// Call network that returns and observable Auth model
	}
}

[...]

public class Auth {

	private String authToken;
	private String refreshToken;

	// Also getters and setters
	
}

demo_ui_layer.java

public class SampleActivity
        extends MeigicActivity<SampleActivityPresenter, SampleActivityView>
        implements SampleActivityView {


    @Override protected SampleActivityPresenter initPresenter() {
        // Presenter instance
    }

    @Override protected void initView() {
        // Setup the view and helper additions
    }
}

[...]

public class SampleActivityPresenter extends MeigicPresenter<SampleActivityView> {

    public SampleActivityPresenter(SampleActivityView view) {
        super(view);
    }

    @Override public void setup() {
        // Presenter init here
    }

    @Override public void destroy() {
        // Presenter destroy here
    }
}

[...]

public interface SampleActivityView extends MeigicView {

    // View interface methods

}

[...]

public class ColorHelper extends MeigicHelper {

    public ColorHelper(Context context, View view) {
        super(context, view);
    }

    void changeColor() {
        // Do something
    }

}