001/*
002 * (C) Copyright 2012 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 *     Thomas Roger
018 */
019
020package org.nuxeo.ecm.csv;
021
022import java.io.File;
023import java.util.ArrayList;
024import java.util.Arrays;
025import java.util.Collections;
026import java.util.List;
027
028import org.nuxeo.ecm.core.api.CoreSession;
029import org.nuxeo.ecm.core.work.api.Work;
030import org.nuxeo.ecm.core.work.api.Work.State;
031import org.nuxeo.ecm.core.work.api.WorkManager;
032import org.nuxeo.runtime.api.Framework;
033
034/**
035 * @since 5.7
036 */
037public class CSVImporterImpl implements CSVImporter {
038
039    @Override
040    public String launchImport(CoreSession session, String parentPath, File csvFile, String csvFileName,
041            CSVImporterOptions options) {
042        CSVImporterWork work = new CSVImporterWork(session.getRepositoryName(), parentPath, session.getPrincipal()
043                                                                                                   .getName(), csvFile,
044                csvFileName, options);
045        WorkManager workManager = Framework.getLocalService(WorkManager.class);
046        workManager.schedule(work, WorkManager.Scheduling.IF_NOT_RUNNING_OR_SCHEDULED);
047        return work.getId();
048    }
049
050    @Override
051    public CSVImportStatus getImportStatus(String id) {
052        WorkManager workManager = Framework.getLocalService(WorkManager.class);
053        State state = workManager.getWorkState(id);
054        if (state == null) {
055            return null;
056        } else if (state == State.COMPLETED) {
057            return new CSVImportStatus(CSVImportStatus.State.COMPLETED);
058        } else if (state == State.SCHEDULED) {
059            String queueId = workManager.getCategoryQueueId(CSVImporterWork.CATEGORY_CSV_IMPORTER);
060            int queueSize = workManager.getQueueSize(queueId, State.SCHEDULED);
061            return new CSVImportStatus(CSVImportStatus.State.SCHEDULED, 0, queueSize);
062        } else { // RUNNING
063            return new CSVImportStatus(CSVImportStatus.State.RUNNING);
064        }
065    }
066
067    @Override
068    public List<CSVImportLog> getImportLogs(String id) {
069        return getLastImportLogs(id, -1);
070    }
071
072    @Override
073    public List<CSVImportLog> getImportLogs(String id, CSVImportLog.Status... status) {
074        return getLastImportLogs(id, -1, status);
075    }
076
077    @Override
078    public List<CSVImportLog> getLastImportLogs(String id, int max) {
079        WorkManager workManager = Framework.getLocalService(WorkManager.class);
080        Work work = workManager.find(id, null);
081        if (work == null) {
082            work = workManager.find(id, State.COMPLETED);
083            if (work == null) {
084                return Collections.emptyList();
085            }
086        }
087        List<CSVImportLog> importLogs = ((CSVImporterWork) work).getImportLogs();
088        max = (max == -1 || max > importLogs.size()) ? importLogs.size() : max;
089        return importLogs.subList(importLogs.size() - max, importLogs.size());
090    }
091
092    @Override
093    public List<CSVImportLog> getLastImportLogs(String id, int max, CSVImportLog.Status... status) {
094        List<CSVImportLog> importLogs = getLastImportLogs(id, max);
095        return status.length == 0 ? importLogs : filterImportLogs(importLogs, status);
096    }
097
098    protected List<CSVImportLog> filterImportLogs(List<CSVImportLog> importLogs, CSVImportLog.Status... status) {
099        List<CSVImportLog.Status> statusList = Arrays.asList(status);
100        List<CSVImportLog> filteredLogs = new ArrayList<CSVImportLog>();
101        for (CSVImportLog log : importLogs) {
102            if (statusList.contains(log.getStatus())) {
103                filteredLogs.add(log);
104            }
105        }
106        return filteredLogs;
107    }
108
109    @Override
110    public CSVImportResult getImportResult(String id) {
111        WorkManager workManager = Framework.getLocalService(WorkManager.class);
112        Work work = workManager.find(id, State.COMPLETED);
113        if (work == null) {
114            return null;
115        }
116
117        List<CSVImportLog> importLogs = ((CSVImporterWork) work).getImportLogs();
118        return CSVImportResult.fromImportLogs(importLogs);
119    }
120
121}