001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Thomas Roger
016 */
017
018package org.nuxeo.ecm.csv;
019
020import java.io.File;
021import java.util.ArrayList;
022import java.util.Arrays;
023import java.util.Collections;
024import java.util.List;
025
026import org.nuxeo.ecm.core.api.CoreSession;
027import org.nuxeo.ecm.core.work.api.Work;
028import org.nuxeo.ecm.core.work.api.Work.State;
029import org.nuxeo.ecm.core.work.api.WorkManager;
030import org.nuxeo.runtime.api.Framework;
031
032/**
033 * @since 5.7
034 */
035public class CSVImporterImpl implements CSVImporter {
036
037    @Override
038    public String launchImport(CoreSession session, String parentPath, File csvFile, String csvFileName,
039            CSVImporterOptions options) {
040        CSVImporterWork work = new CSVImporterWork(session.getRepositoryName(), parentPath,
041                session.getPrincipal().getName(), csvFile, csvFileName, options);
042        WorkManager workManager = Framework.getLocalService(WorkManager.class);
043        workManager.schedule(work, WorkManager.Scheduling.IF_NOT_RUNNING_OR_SCHEDULED);
044        return work.getId();
045    }
046
047    @Override
048    public CSVImportStatus getImportStatus(String id) {
049        WorkManager workManager = Framework.getLocalService(WorkManager.class);
050        State state = workManager.getWorkState(id);
051        if (state == null) {
052            return null;
053        } else if (state == State.COMPLETED) {
054            return new CSVImportStatus(CSVImportStatus.State.COMPLETED);
055        } else if (state == State.SCHEDULED) {
056            String queueId = workManager.getCategoryQueueId(CSVImporterWork.CATEGORY_CSV_IMPORTER);
057            int queueSize = workManager.getQueueSize(queueId, State.SCHEDULED);
058            return new CSVImportStatus(CSVImportStatus.State.SCHEDULED, 0, queueSize);
059        } else { // RUNNING
060            return new CSVImportStatus(CSVImportStatus.State.RUNNING);
061        }
062    }
063
064    @Override
065    public List<CSVImportLog> getImportLogs(String id) {
066        return getLastImportLogs(id, -1);
067    }
068
069    @Override
070    public List<CSVImportLog> getImportLogs(String id, CSVImportLog.Status... status) {
071        return getLastImportLogs(id, -1, status);
072    }
073
074    @Override
075    public List<CSVImportLog> getLastImportLogs(String id, int max) {
076        WorkManager workManager = Framework.getLocalService(WorkManager.class);
077        Work work = workManager.find(id, null);
078        if (work == null) {
079            work = workManager.find(id, State.COMPLETED);
080            if (work == null) {
081                return Collections.emptyList();
082            }
083        }
084        List<CSVImportLog> importLogs = ((CSVImporterWork) work).getImportLogs();
085        max = (max == -1 || max > importLogs.size()) ? importLogs.size() : max;
086        return importLogs.subList(importLogs.size() - max, importLogs.size());
087    }
088
089    @Override
090    public List<CSVImportLog> getLastImportLogs(String id, int max, CSVImportLog.Status... status) {
091        List<CSVImportLog> importLogs = getLastImportLogs(id, max);
092        return status.length == 0 ? importLogs : filterImportLogs(importLogs, status);
093    }
094
095    protected List<CSVImportLog> filterImportLogs(List<CSVImportLog> importLogs, CSVImportLog.Status... status) {
096        List<CSVImportLog.Status> statusList = Arrays.asList(status);
097        List<CSVImportLog> filteredLogs = new ArrayList<CSVImportLog>();
098        for (CSVImportLog log : importLogs) {
099            if (statusList.contains(log.getStatus())) {
100                filteredLogs.add(log);
101            }
102        }
103        return filteredLogs;
104    }
105
106    @Override
107    public CSVImportResult getImportResult(String id) {
108        WorkManager workManager = Framework.getLocalService(WorkManager.class);
109        Work work = workManager.find(id, State.COMPLETED);
110        if (work == null) {
111            return null;
112        }
113
114        List<CSVImportLog> importLogs = ((CSVImporterWork) work).getImportLogs();
115        return CSVImportResult.fromImportLogs(importLogs);
116    }
117
118}