001/*
002 *  Copyright 2010 Anyware Services
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 */
016package org.ametys.plugins.workspaces.project.notification;
017
018import java.util.ArrayList;
019import java.util.List;
020import java.util.Map;
021import java.util.stream.Collectors;
022
023import org.apache.commons.lang.StringUtils;
024
025import org.ametys.core.observation.Event;
026import org.ametys.core.observation.Observer;
027import org.ametys.core.user.UserIdentity;
028import org.ametys.plugins.repository.AmetysObject;
029import org.ametys.plugins.workspaces.ObservationConstants;
030import org.ametys.plugins.workspaces.project.notification.preferences.NotificationPreferencesHelper.Frequency;
031import org.ametys.plugins.workspaces.project.objects.Project;
032import org.ametys.plugins.workspaces.tasks.Task;
033import org.ametys.runtime.i18n.I18nizableText;
034
035/**
036 * This {@link Observer} observes events on task to notify concerned users
037 *
038 */
039public class TaskMailNotifierObserver extends AbstractSendNotificationObserver
040{
041    @Override
042    public boolean supports(Event event)
043    {
044        return event.getId().equals(ObservationConstants.EVENT_TASK_CREATED)
045                || event.getId().equals(ObservationConstants.EVENT_TASK_ASSIGNED)
046                || event.getId().equals(ObservationConstants.EVENT_TASK_CLOSED_STATUS_CHANGED)
047                || event.getId().equals(ObservationConstants.EVENT_TASK_DELETING);
048    }
049
050    @Override
051    protected AmetysObject getEventAmetysObject(Event event)
052    {
053        return (Task) event.getArguments().get(ObservationConstants.ARGS_TASK);
054    }
055
056    @Override
057    protected String getMailBodyURI(Event event, Project project)
058    {
059        return "cocoon://_plugins/workspaces/notification-mail-task";
060    }
061
062    @Override
063    protected I18nizableText getI18nSubject(Event event, Project project)
064    {
065        Map<String, Object> eventArgs = event.getArguments();
066        String mailSubjecti18nKey = _getSubjectI18nKey(event.getId(), eventArgs);
067        List<String> mailSubjectParams = _getSubjectParams (project, eventArgs);
068        return new I18nizableText("plugin." + _pluginName, mailSubjecti18nKey, mailSubjectParams);
069    }
070    
071    @Override
072    protected List<UserIdentity> getUsersToNotify(String eventId, AmetysObject object, Project project)
073    {
074        List<UserIdentity> users = new ArrayList<>();
075        
076        if (object instanceof Task)
077        {
078            // User in charge of the task
079            users.addAll(((Task) object).getAssignments());
080        }
081        
082        return users.stream().filter(userId -> _notificationPrefHelper.askedToBeNotified(userId, project.getName(), Frequency.EACH)).collect(Collectors.toList());
083    }
084    
085    /**
086     * Get the i18n subject key
087     * @param eventType The type of event
088     * @param eventParams The optional event parameters
089     * @return the i18 key
090     */
091    protected String _getSubjectI18nKey (String eventType, Map<String, Object> eventParams)
092    {
093        return "PROJECT_MAIL_NOTIFICATION_SUBJECT_" + StringUtils.replaceChars(eventType.toUpperCase(), '.', '_');
094    }
095    
096    /**
097     * Get the i18n parameters for subject key
098     * @param project The parent project
099     * @param eventParams The optional event parameters
100     * @return the i18n parameters
101     */
102    protected List<String> _getSubjectParams (Project project, Map<String, Object> eventParams)
103    {
104        List<String> i18nparams = new ArrayList<>();
105        i18nparams.add(project.getTitle()); // {0}
106        
107        Task task = (Task) eventParams.get(ObservationConstants.ARGS_TASK);
108        if (task != null)
109        {
110            i18nparams.add(task.getLabel()); // {1}
111        }
112        return i18nparams;
113    }
114}