/* 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.activiti.rest.api.task;
import java.util.List;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.TaskService;
import org.activiti.engine.identity.Group;
import org.activiti.engine.identity.GroupQuery;
import org.activiti.rest.api.ActivitiUtil;
import org.activiti.rest.api.SecuredResource;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import org.restlet.resource.Get;
/**
* @author Tijs Rademakers
*/
public class TasksSummaryResource extends SecuredResource {
@Get
public ObjectNode getTasksSummary() {
if(authenticate() == false) return null;
String user = getQuery().getValues("user");
if(user == null) {
throw new ActivitiException("No user provided");
}
TaskService ts = ActivitiUtil.getTaskService();
GroupQuery query = ActivitiUtil.getIdentityService()
.createGroupQuery()
.groupMember(user)
.groupType("assignment");
List<Group> groups = query.list();
ObjectNode groupsJSON = new ObjectMapper().createObjectNode();
for (Group group : groups) {
long tasksInGroup = ts.createTaskQuery().taskCandidateGroup(group.getId()).count();
groupsJSON.put(group.getName(), tasksInGroup);
}
ObjectNode summaryResponseJSON = new ObjectMapper().createObjectNode();
ObjectNode totalAssignedJSON = new ObjectMapper().createObjectNode();
totalAssignedJSON.put("total", ts.createTaskQuery().taskAssignee(user).count());
summaryResponseJSON.put("assigned", totalAssignedJSON);
ObjectNode totalUnassignedJSON = new ObjectMapper().createObjectNode();
totalUnassignedJSON.put("total", ts.createTaskQuery().taskCandidateUser(user).count());
totalUnassignedJSON.put("groups", groupsJSON);
summaryResponseJSON.put("unassigned", totalUnassignedJSON);
return summaryResponseJSON;
}
}