/*

  * Copyright 2008 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (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.opensource.org/licenses/ecl1.php

  *

  * 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.kuali.student.lum.course.service.assembler;

 import org.kuali.student.common.assembly.BOAssembler;

 import org.kuali.student.common.assembly.BaseDTOAssemblyNode;

 import org.kuali.student.common.assembly.BaseDTOAssemblyNode.NodeOperation;

 import org.kuali.student.common.assembly.data.AssemblyException;

 import org.kuali.student.common.dto.DtoConstants;

 import org.kuali.student.common.util.UUIDHelper;

 import org.kuali.student.lum.course.dto.CourseJointInfo;

 import org.kuali.student.lum.lu.dto.CluCluRelationInfo;

 import org.kuali.student.lum.lu.dto.CluInfo;

 import org.kuali.student.lum.lu.service.LuService;

 /**

  * Assembles/Disassembles CourseJointInfo DTO from/to CluCluRelationInfo 

  * 

  * @author Kuali Student Team

  *

  */

 public class CourseJointAssembler implements BOAssembler<CourseJointInfo, CluCluRelationInfo> {

         LuService luService;                

         /**

          * @return the luService

          */

         public LuService getLuService() {

                 return luService;

         }

         /**

          * @param luService the luService to set

          */

         public void setLuService(LuService luService) {

                 this.luService = luService;

         }

         @Override

         public CourseJointInfo assemble(CluCluRelationInfo cluRel, CourseJointInfo jointInfo, boolean shallowBuild) throws AssemblyException {

                 if(null == cluRel) {

                         return null;

                 }

                 CourseJointInfo joint = (jointInfo != null) ? jointInfo : new CourseJointInfo();

                 CluInfo clu;

                 try {

                         clu = luService.getClu(cluRel.getRelatedCluId());

                         joint.setCourseId(clu.getId());

                         joint.setType(clu.getType());//FIXME is this ever used?

                         joint.setSubjectArea(clu.getOfficialIdentifier().getDivision());

                         joint.setCourseTitle(clu.getOfficialIdentifier().getLongName());

                         joint.setCourseNumberSuffix(clu.getOfficialIdentifier().getSuffixCode());

                         joint.setRelationId(cluRel.getId());

                 } catch (Exception e) {

                         throw new AssemblyException("Error getting related clus", e);

                 } 

                 return joint;

         }

         public CourseJointInfo assemble(CluCluRelationInfo cluRel, String cluId, CourseJointInfo jointInfo, boolean shallowBuild) throws AssemblyException {

                 if(null == cluRel) {

                         return null;

                 }

                 CourseJointInfo joint = (jointInfo != null) ? jointInfo : new CourseJointInfo();

                 CluInfo clu;

                 try {

                         clu = luService.getClu(cluId);

                         if (clu.getState().equals(DtoConstants.STATE_ACTIVE) || clu.getState().equals(DtoConstants.STATE_SUPERSEDED) ||

                                 clu.getState().equals(DtoConstants.STATE_APPROVED) || clu.getState().equals(DtoConstants.STATE_SUSPENDED)) {

                                 joint.setCourseId(clu.getId());

                                 joint.setType(clu.getType());//FIXME is this ever used?

                                 joint.setSubjectArea(clu.getOfficialIdentifier().getDivision());

                                 joint.setCourseTitle(clu.getOfficialIdentifier().getLongName());

                                 joint.setCourseNumberSuffix(clu.getOfficialIdentifier().getSuffixCode());

                                 joint.setRelationId(cluRel.getId());

                         } else        

                                 return null;

                 } catch (Exception e) {

                         throw new AssemblyException("Error getting related clus", e);

                 } 

                 return joint;

         }

         @Override

         public BaseDTOAssemblyNode<CourseJointInfo, CluCluRelationInfo> disassemble(

                         CourseJointInfo joint, NodeOperation operation) throws AssemblyException {

                 if(null == joint){

                         //FIXME Unsure now if this is an exception or just return null or empty assemblyNode 

                         throw new AssemblyException("Activity can not be null");

                 }

                 BaseDTOAssemblyNode<CourseJointInfo, CluCluRelationInfo> result = new BaseDTOAssemblyNode<CourseJointInfo, CluCluRelationInfo>(this);

                 result.setBusinessDTORef(joint);

                 result.setOperation(operation);

                 CluCluRelationInfo cluRel = new CluCluRelationInfo();

                 cluRel.setId(UUIDHelper.genStringUUID(joint.getRelationId()));

                 cluRel.setRelatedCluId(joint.getCourseId());

                 cluRel.setType(CourseAssemblerConstants.JOINT_RELATION_TYPE);

                 result.setNodeData(cluRel);

                 // The caller is required to set the CluId on the cluCluRelation

                 return result;

         }

 }