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 *     Funsho David
018 */
019
020package org.nuxeo.ecm.platform.comment.impl;
021
022import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON;
023import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE;
024import static org.nuxeo.ecm.platform.comment.api.AnnotationConstants.ANNOTATION_PERMISSIONS;
025import static org.nuxeo.ecm.platform.comment.api.AnnotationConstants.ANNOTATION_XPATH;
026import static org.nuxeo.ecm.platform.comment.impl.CommentJsonWriter.writeCommentEntity;
027
028import java.io.IOException;
029import java.util.Arrays;
030import java.util.Collection;
031
032import org.nuxeo.ecm.core.api.CoreInstance;
033import org.nuxeo.ecm.core.api.CoreSession;
034import org.nuxeo.ecm.core.api.IdRef;
035import org.nuxeo.ecm.core.api.NuxeoPrincipal;
036import org.nuxeo.ecm.core.api.security.PermissionProvider;
037import org.nuxeo.ecm.core.io.marshallers.json.ExtensibleEntityJsonWriter;
038import org.nuxeo.ecm.core.io.registry.reflect.Setup;
039import org.nuxeo.ecm.platform.comment.api.Annotation;
040import org.nuxeo.runtime.api.Framework;
041
042import com.fasterxml.jackson.core.JsonGenerator;
043
044/**
045 * @since 10.1
046 */
047@Setup(mode = SINGLETON, priority = REFERENCE)
048public class AnnotationJsonWriter extends ExtensibleEntityJsonWriter<Annotation> {
049
050    public static final String ENTITY_TYPE = "annotation";
051
052    public AnnotationJsonWriter() {
053        super(ENTITY_TYPE, Annotation.class);
054    }
055
056    @Override
057    protected void writeEntityBody(Annotation entity, JsonGenerator jg) throws IOException {
058        writeCommentEntity(entity, jg);
059        jg.writeStringField(ANNOTATION_XPATH, entity.getXpath());
060        // Write permissions of current user on the annotation,
061        // which are the ones granted on the annotated document
062        CoreSession session = ctx.getSession(null).getSession();
063        NuxeoPrincipal principal = session.getPrincipal();
064        PermissionProvider permissionProvider = Framework.getService(PermissionProvider.class);
065        Collection<String> permissions = CoreInstance.doPrivileged(session, s -> {
066            return s.filterGrantedPermissions(principal, new IdRef(entity.getParentId()),
067                    Arrays.asList(permissionProvider.getPermissions()));
068        });
069        jg.writeArrayFieldStart(ANNOTATION_PERMISSIONS);
070        for (String permission : permissions) {
071            jg.writeString(permission);
072        }
073        jg.writeEndArray();
074    }
075}