001/*
002 * (C) Copyright 2006-2012 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 <[email protected]>
018 */
019
020package org.nuxeo.ecm.activity.operations;
021
022import static org.nuxeo.ecm.activity.ActivityHelper.getUsername;
023import static org.nuxeo.ecm.activity.ActivityMessageHelper.replaceURLsByLinks;
024
025import java.io.IOException;
026import java.io.StringWriter;
027import java.text.DateFormat;
028import java.util.Date;
029import java.util.HashMap;
030import java.util.Locale;
031import java.util.Map;
032
033import org.nuxeo.ecm.activity.ActivityHelper;
034import org.nuxeo.ecm.activity.ActivityLinkBuilder;
035import org.nuxeo.ecm.activity.ActivityReply;
036import org.nuxeo.ecm.activity.ActivityStreamService;
037import org.nuxeo.ecm.automation.core.Constants;
038import org.nuxeo.ecm.automation.core.annotations.Context;
039import org.nuxeo.ecm.automation.core.annotations.Operation;
040import org.nuxeo.ecm.automation.core.annotations.OperationMethod;
041import org.nuxeo.ecm.automation.core.annotations.Param;
042import org.nuxeo.ecm.core.api.Blob;
043import org.nuxeo.ecm.core.api.Blobs;
044import org.nuxeo.ecm.core.api.CoreSession;
045import org.nuxeo.runtime.api.Framework;
046
047import com.fasterxml.jackson.databind.ObjectMapper;
048
049/**
050 * Operation to add an activity reply.
051 *
052 * @author <a href="mailto:[email protected]">Thomas Roger</a>
053 * @since 5.6
054 */
055@Operation(id = AddActivityReply.ID, category = Constants.CAT_SERVICES, label = "Add a reply to an existing activity", description = "Add a reply to an existing activity.")
056public class AddActivityReply {
057
058    public static final String ID = "Services.AddActivityReply";
059
060    @Context
061    protected CoreSession session;
062
063    @Context
064    protected ActivityStreamService activityStreamService;
065
066    @Param(name = "language", required = false)
067    protected String language;
068
069    @Param(name = "activityId", required = true)
070    protected String activityId;
071
072    @Param(name = "message", required = true)
073    protected String message;
074
075    @Param(name = "activityLinkBuilderName", required = true)
076    protected String activityLinkBuilderName;
077
078    @OperationMethod
079    public Blob run() throws IOException {
080        String actor = ActivityHelper.createUserActivityObject(session.getPrincipal());
081        String displayActor = ActivityHelper.generateDisplayName(session.getPrincipal());
082        ActivityReply reply = new ActivityReply(actor, displayActor, message, new Date().getTime());
083        reply = activityStreamService.addActivityReply(Long.valueOf(activityId), reply);
084
085        Locale locale = language != null && !language.isEmpty() ? new Locale(language) : Locale.ENGLISH;
086        DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM, locale);
087        ActivityLinkBuilder activityLinkBuilder = Framework.getService(ActivityStreamService.class).getActivityLinkBuilder(
088                activityLinkBuilderName);
089
090        Map<String, Object> m = new HashMap<String, Object>();
091        m.put("id", reply.getId());
092        m.put("actor", reply.getActor());
093        m.put("displayActor", reply.getDisplayActor());
094        m.put("displayActorLink", getDisplayActorLink(reply.getActor(), reply.getDisplayActor(), activityLinkBuilder));
095        m.put("actorAvatarURL", activityLinkBuilder.getUserAvatarURL(session, getUsername(reply.getActor())));
096        m.put("message", replaceURLsByLinks(reply.getMessage()));
097        m.put("publishedDate", dateFormat.format(new Date(reply.getPublishedDate())));
098        String username = ActivityHelper.getUsername(reply.getActor());
099        m.put("allowDeletion", session.getPrincipal().getName().equals(username));
100
101        ObjectMapper mapper = new ObjectMapper();
102        StringWriter writer = new StringWriter();
103        mapper.writeValue(writer, m);
104
105        return Blobs.createJSONBlob(writer.toString());
106    }
107
108    protected String getDisplayActorLink(String actor, String displayActor, ActivityLinkBuilder activityLinkBuilder) {
109        return activityLinkBuilder.getUserProfileLink(actor, displayActor);
110    }
111
112}