io.imunity.console.views.authentication.credential_requirements.CredentialRequirementsView Maven / Gradle / Ivy

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Task oriented web based administration UI
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/*
 * Copyright (c) 2021 Bixbit - Krzysztof Benedyczak. All rights reserved.
 * See LICENCE.txt file for licensing information.
 */

package io.imunity.console.views.authentication.credential_requirements;

import static io.imunity.console.views.ViewHeaderActionLayoutFactory.createHeaderActionLayout;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;

import com.google.common.collect.Sets;
import com.vaadin.flow.component.UI;
import com.vaadin.flow.component.combobox.ComboBox;
import com.vaadin.flow.component.confirmdialog.ConfirmDialog;
import com.vaadin.flow.component.grid.Grid;
import com.vaadin.flow.component.grid.GridSortOrder;
import com.vaadin.flow.component.grid.GridVariant;
import com.vaadin.flow.component.html.Span;
import com.vaadin.flow.component.orderedlayout.VerticalLayout;
import com.vaadin.flow.router.Route;
import com.vaadin.flow.router.RouterLink;

import io.imunity.console.ConsoleMenu;
import io.imunity.console.views.ConsoleViewComponent;
import io.imunity.vaadin.elements.Breadcrumb;
import io.imunity.vaadin.elements.NotificationPresenter;
import io.imunity.vaadin.elements.grid.GridWithActionColumn;
import io.imunity.vaadin.elements.grid.SingleActionHandler;
import io.imunity.vaadin.endpoint.common.WebSession;
import io.imunity.vaadin.endpoint.common.bus.EventsBus;
import jakarta.annotation.security.PermitAll;
import pl.edu.icm.unity.base.authn.CredentialRequirements;
import pl.edu.icm.unity.base.describedObject.DescribedObjectROImpl;
import pl.edu.icm.unity.base.message.MessageSource;
import pl.edu.icm.unity.engine.api.utils.MessageUtils;

@PermitAll
@Breadcrumb(key = "WebConsoleMenu.authentication.credentialRequirements", parent = "WebConsoleMenu.authentication")
@Route(value = "/credential-requirements", layout = ConsoleMenu.class)
public class CredentialRequirementsView extends ConsoleViewComponent
{
	private final CredentialRequirementsController controller;
	private final MessageSource msg;
	private final EventsBus bus;
	private final NotificationPresenter notificationPresenter;
	private Grid credList;

	CredentialRequirementsView(MessageSource msg, CredentialRequirementsController controller, NotificationPresenter notificationPresenter)
	{
		this.controller = controller;
		this.msg = msg;
		this.bus = WebSession.getCurrent().getEventBus();
		this.notificationPresenter = notificationPresenter;
		init();
	}

	public void init()
	{
		credList = new GridWithActionColumn<>(msg::getMessage, getActionsHandlers());
		credList.addThemeVariants(GridVariant.LUMO_NO_BORDER);
		Grid.Column nameColumn = credList.addComponentColumn(c ->
				{
					if(!c.isReadOnly())
						return new RouterLink(c.getName(), CredentialRequirementsEditView.class, c.getName());
					else
						return new Span(c.getName());
				})
				.setHeader(msg.getMessage("CredentialReqView.nameCaption"))
				.setAutoWidth(true)
				.setResizable(true)
				.setSortable(true)
				.setComparator(Comparator.comparing(DescribedObjectROImpl::getName));
		credList.addColumn(c -> String.join(", ", c.getRequiredCredentials()))
				.setHeader(msg.getMessage("CredentialReqView.credentialsCaption"))
				.setAutoWidth(true)
				.setResizable(true)
				.setSortable(true);
		credList.addColumn(DescribedObjectROImpl::getDescription)
				.setHeader(msg.getMessage("CredentialReqView.descriptionCaption"))
				.setAutoWidth(true)
				.setResizable(true)
				.setSortable(true);
		
		credList.sort(GridSortOrder.asc(nameColumn).build());
		credList.setItems(controller.getCredentialRequirements());

		getContent().add(new VerticalLayout(createHeaderActionLayout(msg, CredentialRequirementsEditView.class), credList));
	}
	
	private List> getActionsHandlers()
	{
		SingleActionHandler edit = SingleActionHandler
				.builder4Edit(msg::getMessage, CredentialRequirements.class)
				.withHandler(r -> gotoEdit(r.iterator().next()))
				.withDisabledPredicate(r -> r.isReadOnly()).build();

		SingleActionHandler remove = SingleActionHandler
				.builder4Delete(msg::getMessage, CredentialRequirements.class)
				.withDisabledPredicate(credReq -> credReq.isReadOnly())
				.withHandler(r -> tryRemove(r.iterator().next())).build();

		return Arrays.asList(edit, remove);
	}

	private void gotoEdit(CredentialRequirements cred)
	{
		UI.getCurrent()
				.navigate(CredentialRequirementsEditView.class, cred.getName());
	}

	private void tryRemove(CredentialRequirements item)
	{
		Collection allCRs = controller.getCredentialRequirements();
		HashSet removedCr = Sets.newHashSet(item.getName());
		List crs = new ArrayList<>();
		for (CredentialRequirements cr: allCRs)
			if (!removedCr.contains(cr.getName()))
				crs.add(cr.getName());
		Collections.sort(crs);
		if (crs.isEmpty())
		{
			notificationPresenter.showError(msg.getMessage("CredentialRequirements.removalError"),
					msg.getMessage("CredentialRequirements.cantRemoveLast"));
			return;
		}

		String confirmText = MessageUtils.createConfirmFromStrings(msg, removedCr);
		ComboBox replacementCR = new ComboBox<>(msg.getMessage("CredentialRequirements.replacement"), crs);
		replacementCR.setValue(crs.get(0));
		replacementCR.setWidthFull();
		VerticalLayout layout = new VerticalLayout();
		layout.add(new Span(msg.getMessage("CredentialRequirements.removalConfirm", confirmText)), replacementCR);

		ConfirmDialog confirmDialog = new ConfirmDialog();
		confirmDialog.setHeader(msg.getMessage("ConfirmDialog.confirm"));
		confirmDialog.setConfirmButton(msg.getMessage("ok"), e -> remove(item, replacementCR.getValue()));
		confirmDialog.setCancelButton(msg.getMessage("cancel"), e -> {});
		confirmDialog.add(layout);
		confirmDialog.open();
	}

	private void remove(CredentialRequirements toRemove, String replacementCR)
	{
		controller.removeCredentialRequirements(toRemove, replacementCR, bus);
		credList.setItems(controller.getCredentialRequirements());
	}

}