RepositoryEditorPresenter.java

/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.guvnor.structure.client.editors.repository.edit;

import java.util.List;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.inject.Inject;

import org.guvnor.structure.client.resources.i18n.CommonConstants;
import org.guvnor.structure.client.security.RepositoryController;
import org.guvnor.structure.repositories.PublicURI;
import org.guvnor.structure.repositories.RepositoryInfo;
import org.guvnor.structure.repositories.RepositoryRemovedEvent;
import org.guvnor.structure.repositories.RepositoryService;
import org.guvnor.structure.repositories.RepositoryServiceEditor;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.uberfire.backend.vfs.Path;
import org.uberfire.client.annotations.WorkbenchPartTitle;
import org.uberfire.client.annotations.WorkbenchPartView;
import org.uberfire.client.annotations.WorkbenchScreen;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.client.mvp.UberView;
import org.uberfire.ext.widgets.core.client.resources.i18n.CoreConstants;
import org.uberfire.java.nio.base.version.VersionRecord;
import org.uberfire.lifecycle.OnStartup;
import org.uberfire.mvp.PlaceRequest;
import org.uberfire.workbench.events.NotificationEvent;

@Dependent
@WorkbenchScreen(identifier = "RepositoryEditor")
public class RepositoryEditorPresenter {

    private View view;
    private Caller<RepositoryService> repositoryService;
    private Caller<RepositoryServiceEditor> repositoryServiceEditor;
    private Event<NotificationEvent> notification;
    private PlaceManager placeManager;
    private RepositoryController repositoryController;

    private String alias = null;
    private Path root = null;
    private PlaceRequest place;

    public interface View
            extends UberView<RepositoryEditorPresenter> {

        void setRepositoryInfo( final String repositoryName,
                                final String owner,
                                final boolean readOnly,
                                final List<PublicURI> publicURIs,
                                final String description,
                                final List<VersionRecord> initialVersionList );

        void reloadHistory( final List<VersionRecord> versionList );

        void addHistory( final List<VersionRecord> versionList );
    }

    public RepositoryEditorPresenter() {
    }

    @Inject
    public RepositoryEditorPresenter( final View view,
                                      final Caller<RepositoryService> repositoryService,
                                      final Caller<RepositoryServiceEditor> repositoryServiceEditor,
                                      final Event<NotificationEvent> notification,
                                      final PlaceManager placeManager,
                                      final RepositoryController repositoryController ) {
        this.view = view;
        this.repositoryService = repositoryService;
        this.repositoryServiceEditor = repositoryServiceEditor;
        this.notification = notification;
        this.placeManager = placeManager;
        this.repositoryController = repositoryController;
    }

    @OnStartup
    public void onStartup( final PlaceRequest place ) {
        this.place = place;
        this.alias = place.getParameters().get( "alias" );

        repositoryService.call( new RemoteCallback<RepositoryInfo>() {
            @Override
            public void callback( final RepositoryInfo repo ) {
                root = repo.getRoot();
                view.setRepositoryInfo( repo.getAlias(),
                                        repo.getOwner(),
                                        !repositoryController.canUpdateRepository( repo.getId() ),
                                        repo.getPublicURIs(),
                                        CoreConstants.INSTANCE.Empty(),
                                        repo.getInitialVersionList() );
            }
        } ).getRepositoryInfo( alias );
    }

    @WorkbenchPartTitle
    public String getTitle() {
        return CoreConstants.INSTANCE.RepositoryEditor() + " [" + alias + "]";
    }

    @WorkbenchPartView
    public UberView<RepositoryEditorPresenter> getView() {
        return view;
    }

    void onLoadMoreHistory( final int lastIndex ) {
        repositoryService.call( new RemoteCallback<List<VersionRecord>>() {
            @Override
            public void callback( final List<VersionRecord> versionList ) {
                view.addHistory( versionList );
            }
        } ).getRepositoryHistory( alias,
                                  lastIndex );
    }

    void onRevert( final VersionRecord record ) {
        onRevert( record,
                  null );
    }

    void onRevert( final VersionRecord record,
                   final String comment ) {
        repositoryServiceEditor.call( new RemoteCallback<List<VersionRecord>>() {
            @Override
            public void callback( final List<VersionRecord> content ) {
                view.reloadHistory( content );
            }
        } ).revertHistory( alias,
                           root,
                           comment,
                           record );
    }

    void onGitUrlCopied( final String uri ) {
        notification.fire( new NotificationEvent( CommonConstants.INSTANCE.GitUriCopied( uri ) ) );
    }

    public void onRepositoryRemovedEvent( @Observes RepositoryRemovedEvent event ) {
        if ( alias.equals( event.getRepository().getAlias() ) ) {
            placeManager.closePlace( place );
        }
    }
}