Login presenter

LoginPresenter.java

package com.myapp.core.mvp.home.login;

public class LoginPresenter extends BasePresenter<LoginContract.LoginView> implements LoginContract.ViewAction {

    private APIManager apiManager;
    private PreferenceService preference;
    private INetworkManager networkManager;
    private Repository<Login> eventRepository;

    public LoginPresenter(APIManager apiManager, PreferenceService preference,
                          INetworkManager networkManager, Repository<Login> eventRepository) {
        this.apiManager = apiManager;
        this.preference = preference;
        this.networkManager = networkManager;
        this.eventRepository = eventRepository;
    }

    @Override
    public void onUserLogin(@NonNull Login login) {
        if (!isViewAttached()) return;
        getView().showMessageLayout(false);

        if (networkManager.isConnected()) {
            getView().showProgress();

            apiManager.loginUser(login, new RemoteCallback<LoginResponse>() {
                @Override
                public void onSuccess(LoginResponse response) {
                    if (!isViewAttached()) return;
                    getView().hideProgress();
                    if (response.getSuccess() == HttpsURLConnection.HTTP_OK) {
                        getView().onLoginSuccess();
                    } else {
                        getView().showError("Status " + response.getSuccess());
                    }
                }

                @Override
                public void onUnauthorized() {
                    getView().hideProgress();
                    getView().showUnauthorizedError();
                }

                @Override
                public void onFailed(Throwable throwable) {
                    getView().hideProgress();
                    getView().showError(throwable.getMessage());
                }
            });
        }
    }
}