AdminCourseVersionPresenter.java

package kornell.gui.client.presentation.admin.courseversion.courseversion;

import java.util.logging.Logger;

import com.github.gwtbootstrap.client.ui.constants.AlertType;
import com.google.gwt.place.shared.Place;
import com.google.gwt.place.shared.PlaceController;
import com.google.gwt.user.client.ui.Widget;
import com.google.web.bindery.event.shared.EventBus;

import kornell.api.client.Callback;
import kornell.api.client.KornellSession;
import kornell.core.entity.CourseVersion;
import kornell.core.error.KornellErrorTO;
import kornell.gui.client.KornellConstantsHelper;
import kornell.gui.client.ViewFactory;
import kornell.gui.client.mvp.PlaceUtils;
import kornell.gui.client.presentation.admin.courseversion.courseversions.AdminCourseVersionsPlace;
import kornell.gui.client.util.view.KornellNotification;
import kornell.gui.client.util.view.LoadingPopup;

public class AdminCourseVersionPresenter implements AdminCourseVersionView.Presenter {
	Logger logger = Logger.getLogger(AdminCourseVersionPresenter.class.getName());
	private AdminCourseVersionView view;
	private KornellSession session;
	private PlaceController placeController;
	private EventBus bus;
	Place defaultPlace;
	private ViewFactory viewFactory;
	private AdminCourseVersionContentPresenter courseVersionContentPresenter;

	public AdminCourseVersionPresenter(KornellSession session, PlaceController placeController, EventBus bus,
			Place defaultPlace, ViewFactory viewFactory) {
		this.session = session;
		this.placeController = placeController;
		this.bus = bus;
		this.defaultPlace = defaultPlace;
		this.viewFactory = viewFactory;

		init();
	}

	private void init() {
		if (session.isInstitutionAdmin()) {
			view = viewFactory.getAdminCourseVersionView();
			if (view.getPresenter() == null) {
				view.setPresenter(this);
			}
		} else {
			logger.warning("Hey, only admins are allowed to see this! " + this.getClass().getName());
			placeController.goTo(defaultPlace);
		}
	}

	@Override
	public Widget asWidget() {
		return view.asWidget();
	}

	public AdminCourseVersionView getView() {
		return view;
	}

	@Override
	public void upsertCourseVersion(CourseVersion courseVersion) {
		if (courseVersion.getUUID() == null) {
			session.courseVersions().create(courseVersion, new Callback<CourseVersion>() {
				@Override
				public void ok(CourseVersion courseVersion) {
					LoadingPopup.hide();
					KornellNotification.show("Versão de curso criada com sucesso!");
					PlaceUtils.reloadCurrentPlace(bus, placeController);
				}

				@Override
				public void conflict(KornellErrorTO kornellErrorTO) {
					LoadingPopup.hide();
					KornellNotification.show(KornellConstantsHelper.getErrorMessage(kornellErrorTO), AlertType.ERROR,
							2500);
				}
			});
		} else {
			session.courseVersion(courseVersion.getUUID()).update(courseVersion, new Callback<CourseVersion>() {
				@Override
				public void ok(CourseVersion courseVersion) {
					LoadingPopup.hide();
					KornellNotification.show("Alterações salvas com sucesso!");
					placeController.goTo(new AdminCourseVersionsPlace());
				}

				@Override
				public void conflict(KornellErrorTO kornellErrorTO) {
					LoadingPopup.hide();
					KornellNotification.show(KornellConstantsHelper.getErrorMessage(kornellErrorTO), AlertType.ERROR,
							2500);
				}
			});
		}
	}

	@Override
	public void buildContentView(CourseVersion courseVersion) {
		courseVersionContentPresenter = new AdminCourseVersionContentPresenter(session, placeController, bus, defaultPlace, viewFactory);
		courseVersionContentPresenter.init(courseVersion);
		view.addContentPanel((AdminCourseVersionContentView) courseVersionContentPresenter.asWidget());
	}
}