001/*
002 * (C) Copyright 2016 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     "Guillaume Renard"
018 */
019
020package org.nuxeo.ecm.platform.audit.provider;
021
022import java.util.ArrayList;
023import java.util.List;
024
025import org.apache.commons.lang3.StringUtils;
026import org.nuxeo.ecm.core.api.CoreSession;
027import org.nuxeo.ecm.core.api.DocumentModel;
028import org.nuxeo.ecm.directory.Session;
029import org.nuxeo.ecm.directory.api.DirectoryService;
030import org.nuxeo.ecm.platform.audit.api.LogEntry;
031import org.nuxeo.ecm.platform.query.api.AbstractPageProvider;
032import org.nuxeo.ecm.platform.query.api.PageProvider;
033import org.nuxeo.ecm.platform.query.api.PageProviderService;
034import org.nuxeo.ecm.platform.usermanager.UserManager;
035import org.nuxeo.ecm.platform.usermanager.UserManagerImpl;
036import org.nuxeo.runtime.api.Framework;
037
038/**
039 * @since 8.2
040 */
041public class LatestCreatedUsersOrGroupsPageProvider extends AbstractPageProvider<DocumentModel> {
042
043    private static final long serialVersionUID = 1L;
044
045    public static final String LATEST_CREATED_USERS_OR_GROUPS_PROVIDER = "LATEST_CREATED_USERS_OR_GROUPS_PROVIDER";
046
047    public static final String LATEST_AUDITED_CREATED_USERS_OR_GROUPS_PROVIDER = "LATEST_AUDITED_CREATED_USERS_OR_GROUPS_PROVIDER";
048
049    protected static final String CORE_SESSION_PROPERTY = "coreSession";
050
051    protected List<DocumentModel> currentPage;
052
053    @Override
054    public List<DocumentModel> getCurrentPage() {
055        if (currentPage != null) {
056            return currentPage;
057        }
058        currentPage = new ArrayList<DocumentModel>();
059        PageProviderService pps = Framework.getService(PageProviderService.class);
060        CoreSession coreSession = (CoreSession) getProperties().get(CORE_SESSION_PROPERTY);
061        PageProvider<?> pp = pps.getPageProvider(LATEST_AUDITED_CREATED_USERS_OR_GROUPS_PROVIDER, null, getPageSize(),
062                getCurrentPageIndex(), getProperties(),
063                coreSession != null ? coreSession.getRootDocument().getId() : new Object[] { null });
064        @SuppressWarnings("unchecked")
065        List<LogEntry> entries = (List<LogEntry>) pp.getCurrentPage();
066        if (entries != null) {
067            UserManager um = Framework.getService(UserManager.class);
068            DirectoryService directoryService = Framework.getService(DirectoryService.class);
069            try (Session userDir = directoryService.open(um.getUserDirectoryName(), null)) {
070                for (LogEntry e : entries) {
071                    String id = (String) e.getExtendedInfos().get("id").getSerializableValue();
072                    if (StringUtils.isNotBlank(id)) {
073                        DocumentModel doc;
074                        if (UserManagerImpl.GROUPCREATED_EVENT_ID.equals(e.getEventId())) {
075                            doc = um.getGroupModel(id);
076                        } else if (UserManagerImpl.USERCREATED_EVENT_ID.equals(e.getEventId())) {
077                            doc = um.getUserModel(id);
078                        } else {
079                            continue;
080                        }
081                        if (doc == null) {
082                            // probably user/group does not exist anymore
083                            continue;
084                        }
085                        currentPage.add(doc);
086                    }
087                }
088            }
089        }
090        return currentPage;
091    }
092
093    @Override
094    protected void pageChanged() {
095        currentPage = null;
096        super.pageChanged();
097    }
098
099    @Override
100    public long getResultsCountLimit() {
101        PageProviderService pps = Framework.getService(PageProviderService.class);
102        @SuppressWarnings("unchecked")
103        PageProvider<?> pp = pps.getPageProvider(LATEST_AUDITED_CREATED_USERS_OR_GROUPS_PROVIDER, null, null, null,
104                null, null);
105        return pp.getResultsCountLimit();
106    }
107
108}