001/*
002 * (C) Copyright 2018 Nuxeo (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 <[email protected]>
018 */
019package org.nuxeo.ecm.platform.rendition.io;
020
021import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON;
022import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE;
023import static org.nuxeo.ecm.platform.rendition.Constants.ALL_PUBLICATION_QUERY;
024
025import java.io.IOException;
026
027import org.nuxeo.ecm.core.api.DocumentModel;
028import org.nuxeo.ecm.core.io.marshallers.json.enrichers.AbstractJsonEnricher;
029import org.nuxeo.ecm.core.io.registry.context.RenderingContext.SessionWrapper;
030import org.nuxeo.ecm.core.io.registry.reflect.Setup;
031import org.nuxeo.ecm.core.query.sql.NXQL;
032
033import com.fasterxml.jackson.core.JsonGenerator;
034
035@Setup(mode = SINGLETON, priority = REFERENCE)
036public class PublicationJsonEnricher extends AbstractJsonEnricher<DocumentModel> {
037
038    public static final String NAME = "publications";
039
040    public PublicationJsonEnricher() {
041        super(NAME);
042    }
043
044    @Override
045    public void write(JsonGenerator jg, DocumentModel document) throws IOException {
046        jg.writeObjectFieldStart(NAME);
047        int resultCount;
048        try (SessionWrapper wrapper = ctx.getSession(document)) {
049            String escapedId = NXQL.escapeString(document.getId());
050            resultCount = wrapper.getSession()
051                                 .queryProjection(
052                                         String.format(ALL_PUBLICATION_QUERY,
053                                                 escapedId, escapedId),
054                                         0, 0)
055                                 .size();
056
057        }
058        jg.writeNumberField("resultsCount", resultCount);
059        jg.writeEndObject();
060    }
061}