/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.switchyard.quickstarts.demos.helpdesk;
import static org.switchyard.quickstarts.demos.helpdesk.HelpDeskUserGroupCallback.USERS_GROUPS;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import javax.faces.event.ValueChangeEvent;
import javax.xml.namespace.QName;
import org.apache.log4j.Logger;
import org.kie.api.task.model.TaskSummary;
import org.switchyard.component.bpm.runtime.BPMTaskService;
import org.switchyard.component.bpm.runtime.BPMTaskServiceRegistry;
/**
* @author David Ward <<a href="mailto:dward@jboss.org">dward@jboss.org</a>> © 2012 Red Hat Inc.
*/
@ManagedBean(name = "helpDesk")
@SessionScoped
public class HelpDesk {
private static final Logger LOGGER = Logger.getLogger(HelpDesk.class);
private static final String TICKET = "ticket";
private static final String EN_UK = "en-UK";
private final BPMTaskService _taskService;
private final List<TaskSummary> _userTasks;
private final Map<Long, Ticket> _userTickets;
private String _userId = "krisv";
public HelpDesk() {
_taskService = BPMTaskServiceRegistry.getTaskService(new QName(null, "helpdesk"), new QName("urn:switchyard-quickstart-demo:helpdesk:0.1.0", "HelpDeskService"));
_userTasks = Collections.synchronizedList(new ArrayList<TaskSummary>());
_userTickets = Collections.synchronizedMap(new LinkedHashMap<Long, Ticket>());
}
public String getUserId() {
return _userId;
}
public void setUserId(String userId) {
_userId = userId;
}
public String getGroupId() {
List<String> groups = USERS_GROUPS.get(_userId);
return (groups != null && groups.size() > 0) ? groups.get(0) : null;
}
public Map<String, String> getUsersGroups() {
Map<String, String> usersGroups = new LinkedHashMap<String, String>();
for (Map.Entry<String, List<String>> entry : USERS_GROUPS.entrySet()) {
String key = entry.getKey();
usersGroups.put(key + " (" + entry.getValue().get(0) + ")", key);
}
return usersGroups;
}
public List<TaskSummary> getUserTasks() {
return _userTasks;
}
public Map<Long, Ticket> getUserTickets() {
return _userTickets;
}
public void selectUser(ValueChangeEvent vce) {
setUserId((String) vce.getNewValue());
fetchTasks();
}
private void fetchTasks() {
synchronized (_userTasks) {
_userTasks.clear();
_userTickets.clear();
List<TaskSummary> tasks = _taskService.getTasksAssignedAsPotentialOwner(_userId, EN_UK);
for (TaskSummary task : tasks) {
_userTasks.add(task);
Map<String, Object> params = _taskService.getTaskContent(task.getId());
Ticket ticket = (Ticket) params.get(TICKET);
_userTickets.put(task.getProcessInstanceId(), ticket);
}
}
}
private void completeTasks() {
synchronized (_userTasks) {
if (_userTasks.size() > 0) {
for (TaskSummary task : _userTasks) {
_taskService.claim(task.getId(), _userId);
_taskService.start(task.getId(), _userId);
Map<String, Object> results = new HashMap<String, Object>();
Ticket ticket = _userTickets.get(task.getProcessInstanceId());
results.put(TICKET, ticket);
_taskService.complete(task.getId(), _userId, results);
}
}
}
}
public void submit() {
try {
completeTasks();
fetchTasks();
} catch (Throwable t) {
StringBuilder sb = new StringBuilder();
sb.append("Problem processing tasks: ");
sb.append(t.getClass().getName());
String m = t.getMessage();
if (m != null) {
sb.append("(");
sb.append(m);
sb.append(")");
}
String msg = sb.toString();
LOGGER.error(msg, t);
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(msg));
}
}
}