001/*
002 * (C) Copyright 2014 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 *     <a href="mailto:grenard@nuxeo.com">Guillaume Renard</a>
018 */
019package org.nuxeo.ecm.platform.tag.automation;
020
021import java.util.Collections;
022import java.util.List;
023
024import net.sf.json.JSONArray;
025import net.sf.json.JSONObject;
026
027import org.apache.commons.lang.StringUtils;
028import org.jboss.seam.Component;
029import org.nuxeo.ecm.automation.OperationContext;
030import org.nuxeo.ecm.automation.core.Constants;
031import org.nuxeo.ecm.automation.core.annotations.Context;
032import org.nuxeo.ecm.automation.core.annotations.Operation;
033import org.nuxeo.ecm.automation.core.annotations.OperationMethod;
034import org.nuxeo.ecm.automation.core.annotations.Param;
035import org.nuxeo.ecm.core.api.Blob;
036import org.nuxeo.ecm.core.api.Blobs;
037import org.nuxeo.ecm.core.api.CoreSession;
038import org.nuxeo.ecm.core.api.DocumentModel;
039import org.nuxeo.ecm.platform.tag.Tag;
040import org.nuxeo.ecm.platform.tag.TagService;
041import org.nuxeo.ecm.platform.ui.select2.common.Select2Common;
042import org.nuxeo.ecm.platform.ui.web.api.NavigationContext;
043
044/**
045 * @since 6.0
046 */
047@Operation(id = SuggestTagEntry.ID, category = Constants.CAT_SERVICES, label = "Get tag suggestion", description = "Get tag suggestion")
048public class SuggestTagEntry {
049
050    public static final String ID = "Tag.Suggestion";
051
052    @Context
053    protected OperationContext ctx;
054
055    @Context
056    protected CoreSession documentManager;
057
058    @Context
059    protected TagService tagService;
060
061    @Param(name = "searchTerm", required = false)
062    protected String searchTerm;
063
064    @Param(name = "value", required = false)
065    protected String value;
066
067    @Param(name = "xpath", required = false)
068    protected String xpath;
069
070    @OperationMethod
071    public Blob run() {
072        JSONArray result = new JSONArray();
073        if (tagService != null && tagService.isEnabled()) {
074            if (!StringUtils.isEmpty(value)) {
075                final NavigationContext navigationContext = (NavigationContext) Component.getInstance("navigationContext");
076                DocumentModel currentDocument = navigationContext.getCurrentDocument();
077                if (currentDocument == null) {
078                    return null;
079                } else {
080                    String docId = currentDocument.getId();
081                    List<Tag> tags = tagService.getDocumentTags(documentManager, docId, null);
082                    Collections.sort(tags, Tag.LABEL_COMPARATOR);
083                    for (Tag tag : tags) {
084                        JSONObject obj = new JSONObject();
085                        obj.element(Select2Common.ID, tag.getLabel());
086                        obj.element(Select2Common.LABEL, tag.getLabel());
087                        result.add(obj);
088                    }
089                }
090            } else {
091                if (!StringUtils.isBlank(searchTerm)) {
092                    List<Tag> tags = tagService.getSuggestions(documentManager, searchTerm, null);
093                    Collections.sort(tags, Tag.LABEL_COMPARATOR);
094                    for (int i = 0; i < 10 && i < tags.size(); i++) {
095                        JSONObject obj = new JSONObject();
096                        Tag tag = tags.get(i);
097                        obj.element(Select2Common.ID, tag.getLabel());
098                        obj.element(Select2Common.LABEL, tag.getLabel());
099                        result.add(obj);
100                    }
101                }
102            }
103        }
104        return Blobs.createBlob(result.toString(), "application/json");
105    }
106
107}