/*

  * Copyright 2007-2008 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.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.rice.kew.role.service.impl;

 import org.kuali.rice.kew.api.action.ActionRequestStatus;

 import org.kuali.rice.kew.dto.ActionRequestDTO;

 import org.kuali.rice.kew.exception.WorkflowException;

 import org.kuali.rice.kew.service.WorkflowInfo;

 import org.kuali.rice.kew.util.KEWConstants;

 import org.kuali.rice.kim.api.role.Role;

 import org.kuali.rice.kim.api.role.RoleMembership;

 import org.kuali.rice.kim.framework.type.KimDelegationTypeService;

 import org.kuali.rice.kim.framework.type.KimRoleTypeService;

 import org.kuali.rice.kim.service.support.impl.KimDerivedRoleTypeServiceBase;

 import org.kuali.rice.kim.util.KimConstants;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Map;

 /**

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  * 

  */

 public class ActionRequestDerivedRoleTypeServiceImpl extends

                 KimDerivedRoleTypeServiceBase implements KimRoleTypeService, KimDelegationTypeService {

         private static final String NON_AD_HOC_APPROVE_REQUEST_RECIPIENT_ROLE_NAME = "Non-Ad Hoc Approve Request Recipient";

         private static final String APPROVE_REQUEST_RECIPIENT_ROLE_NAME = "Approve Request Recipient";

         private static final String ACKNOWLEDGE_REQUEST_RECIPIENT_ROLE_NAME = "Acknowledge Request Recipient";

         private static final String FYI_REQUEST_RECIPIENT_ROLE_NAME = "FYI Request Recipient";

         protected WorkflowInfo workflowInfo = new WorkflowInfo();

         {

                 requiredAttributes.add( KimConstants.AttributeConstants.DOCUMENT_NUMBER );

                 checkRequiredAttributes = true;

         }

         /**

          * @see org.kuali.rice.kim.service.support.impl.KimDerivedRoleTypeServiceBase#getRoleMembersFromApplicationRole(java.lang.String, java.lang.String, org.kuali.rice.core.util.Map<String, String>)

          */

         @Override

     public List<RoleMembership> getRoleMembersFromApplicationRole(String namespaceCode, String roleName, Map<String, String> qualification) {

                 List<RoleMembership> members = new ArrayList<RoleMembership>();

                 if ( qualification != null && !qualification.isEmpty() ) {

                     String principalId = qualification.get(KimConstants.AttributeConstants.PRINCIPAL_ID);

                         if (qualification.containsKey(KimConstants.AttributeConstants.PRINCIPAL_ID)

                                         && hasApplicationRole(principalId, null, namespaceCode,

                                                         roleName, qualification)) {

                 members.add(RoleMembership.Builder.create(null/*roleId*/, null, principalId, Role.PRINCIPAL_MEMBER_TYPE, null).build());

                         }

                 }

                 return members;

         }

         @Override

         public boolean hasApplicationRole(String principalId,

                         List<String> groupIds, String namespaceCode, String roleName,

                         Map<String, String> qualification) {

                 validateRequiredAttributesAgainstReceived(qualification);

                 try {

                         if ( (qualification != null && !qualification.isEmpty()))  {

                                 ActionRequestDTO[] actionRequests = workflowInfo.getActionRequests(qualification.get(KimConstants.AttributeConstants.DOCUMENT_NUMBER), null, principalId);

                                 if (APPROVE_REQUEST_RECIPIENT_ROLE_NAME.equals(roleName) || NON_AD_HOC_APPROVE_REQUEST_RECIPIENT_ROLE_NAME.equals(roleName)) {

                                         for ( ActionRequestDTO ar : actionRequests ) {

                                                 if ( ar.getActionRequested().equals( KEWConstants.ACTION_REQUEST_APPROVE_REQ )

                                                                 && ar.getStatus().equals( ActionRequestStatus.ACTIVATED.getCode() ) ) {

                                                         return APPROVE_REQUEST_RECIPIENT_ROLE_NAME.equals(roleName) || (NON_AD_HOC_APPROVE_REQUEST_RECIPIENT_ROLE_NAME.equals(roleName) && !ar.isAdHocRequest());

                                                 }

                                         }

                                         return false;

                                 }

                                 if (ACKNOWLEDGE_REQUEST_RECIPIENT_ROLE_NAME.equals(roleName)) {

                                         for ( ActionRequestDTO ar : actionRequests ) {

                                                 if ( ar.getActionRequested().equals( KEWConstants.ACTION_REQUEST_ACKNOWLEDGE_REQ ) 

                                                         && ar.getStatus().equals( ActionRequestStatus.ACTIVATED.getCode() ) ) {

                                                         return true;

                                                 }

                                         }

                                         return false;

                                 }

                                 if (FYI_REQUEST_RECIPIENT_ROLE_NAME.equals(roleName)) {

                                         for ( ActionRequestDTO ar : actionRequests ) {

                                                 if ( ar.getActionRequested().equals( KEWConstants.ACTION_REQUEST_FYI_REQ ) 

                                                         && ar.getStatus().equals( ActionRequestStatus.ACTIVATED.getCode() ) ) {

                                                         return true;

                                                 }

                                         }

                                         return false;

                                 }

                         }

                         return false;

                 } catch (WorkflowException e) {

                         throw new RuntimeException("Unable to load route header", e);

                 }

         }

         /**

          * Returns false, as action requests change quite often so membership in this role is highly volatile

          * 

          * @see org.kuali.rice.kim.service.support.impl.KimRoleTypeServiceBase#shouldCacheRoleMembershipResults(java.lang.String, java.lang.String)

          */

         @Override

         public boolean shouldCacheRoleMembershipResults(String namespaceCode,

                         String roleName) {

                 return false;

         }

 }