/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
// www.projectforge.org
//
// Copyright (C) 2001-2014 Kai Reinhard (k.reinhard@micromata.de)
//
// ProjectForge is dual-licensed.
//
// This community edition is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 3 of the License.
//
// This community edition is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see http://www.gnu.org/licenses/.
//
/////////////////////////////////////////////////////////////////////////////
package org.projectforge.web.rest;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.projectforge.registry.Registry;
import org.projectforge.rest.JsonUtils;
import org.projectforge.rest.RestPaths;
import org.projectforge.rest.objects.TaskObject;
import org.projectforge.task.TaskDO;
import org.projectforge.task.TaskDao;
import org.projectforge.task.TaskFilter;
import org.projectforge.task.TaskNode;
import org.projectforge.task.TaskTree;
import org.projectforge.user.PFUserContext;
import org.projectforge.web.rest.converter.TaskDOConverter;
/**
* @author Kai Reinhard (k.reinhard@micromata.de)
*
*/
@Path(RestPaths.TIMESHEET)
public class TimesheetDaoRest
{
private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(TimesheetDaoRest.class);
private final TaskDao taskDao;
public TimesheetDaoRest()
{
this.taskDao = Registry.instance().getDao(TaskDao.class);
}
/**
* Rest-Call für: {@link TaskDao#getList(org.projectforge.core.BaseSearchFilter)}
*
* @param searchTerm
*/
@GET
@Path("list")
@Produces(MediaType.APPLICATION_JSON)
public Response getList( //
@QueryParam("search") final String searchTerm, //
@QueryParam("notopened") final Boolean notOpened, //
@QueryParam("opened") final Boolean opened, //
@QueryParam("closed") final Boolean closed, //
@QueryParam("deleted") final Boolean deleted)
{
final List<TaskDO> list = queryList(searchTerm, notOpened, opened, closed, deleted);
final List<TaskObject> result = new ArrayList<TaskObject>();
if (list != null) {
for (final TaskDO task : list) {
result.add(createRTask(task));
}
}
final String json = JsonUtils.toJson(result);
return Response.ok(json).build();
}
/**
* Rest-Call für: {@link TaskDao#getList(org.projectforge.core.BaseSearchFilter)}
*
* @param searchTerm
*/
@GET
@Path("tree")
@Produces(MediaType.APPLICATION_JSON)
public Response getTree( //
@QueryParam("search") final String searchTerm, //
@QueryParam("notopened") final Boolean notOpened, //
@QueryParam("opened") final Boolean opened, //
@QueryParam("closed") final Boolean closed, //
@QueryParam("deleted") final Boolean deleted)
{
final List<TaskDO> list = queryList(searchTerm, notOpened, opened, closed, deleted);
final List<TaskObject> result = convertTasks(list);
final String json = JsonUtils.toJson(result);
return Response.ok(json).build();
}
private List<TaskDO> queryList(final String searchTerm, final Boolean notOpened, final Boolean opened, final Boolean closed,
final Boolean deleted)
{
final TaskFilter filter = new TaskFilter();
if (closed != null) {
filter.setClosed(closed.booleanValue());
}
if (deleted != null) {
filter.setDeleted(deleted.booleanValue());
}
if (opened != null) {
filter.setOpened(opened.booleanValue());
}
if (notOpened != null) {
filter.setNotOpened(notOpened.booleanValue());
}
filter.setSearchString(searchTerm);
final List<TaskDO> list = taskDao.getList(filter);
return list;
}
/**
* Builds task tree.
* @param tasks
* @return
*/
private List<TaskObject> convertTasks(final List<TaskDO> tasks)
{
final List<TaskObject> topLevelTasks = new ArrayList<TaskObject>();
if (tasks == null || tasks.isEmpty() == true) {
return topLevelTasks;
}
final TaskTree taskTree = taskDao.getTaskTree();
final Map<Integer, TaskObject> rtaskMap = new HashMap<Integer, TaskObject>();
for (final TaskDO task : tasks) {
final TaskObject rtask = createRTask(task);
rtaskMap.put(task.getId(), rtask);
}
for (final TaskDO task : tasks) {
addTask(taskTree, topLevelTasks, task, rtaskMap);
}
return topLevelTasks;
}
private TaskObject addTask(final TaskTree taskTree, final List<TaskObject> topLevelTasks, final TaskDO task, final Map<Integer, TaskObject> rtaskMap)
{
TaskObject rtask = rtaskMap.get(task.getId());
if (rtask == null) {
// ancestor task not part of the result list, create it:
if (taskDao.hasSelectAccess(PFUserContext.getUser(), task, false) == false) {
// User has no access, ignore this part of the task tree.
return null;
}
rtask = createRTask(task);
rtaskMap.put(task.getId(), rtask);
}
final TaskDO parent = taskTree.getTaskById(task.getParentTaskId());
if (parent == null) {
// this is the root node, ignore it:
return null;
}
if (taskTree.isRootNode(parent) == true) {
topLevelTasks.add(rtask);
return rtask;
}
TaskObject parentRTask = rtaskMap.get(task.getParentTaskId());
if (parentRTask == null) {
// Get and insert parent task first:
parentRTask = addTask(taskTree, topLevelTasks, parent, rtaskMap);
}
if (parentRTask != null) {
parentRTask.add(rtask);
}
return rtask;
}
private TaskObject createRTask(final TaskDO taskDO)
{
final TaskObject task = TaskDOConverter.getTaskObject(taskDO);
if (taskDO == null) {
log.error("Oups, task is null.");
return task;
}
final TaskNode taskNode = taskDao.getTaskTree().getTaskNodeById(taskDO.getId());
if (taskNode == null) {
log.error("Oups, task node with id '" + taskDO.getId() + "' not found in taskTree.");
return task;
}
task.setBookableForTimesheets(taskNode.isBookableForTimesheets());
return task;
}
}