/**

  * Copyright 2010 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.osedu.org/licenses/ECL-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.kuali.student.core.comments.ui.server;

 import java.util.List;

 import org.kuali.rice.kim.bo.entity.dto.KimEntityInfo;

 import org.kuali.rice.kim.bo.entity.dto.KimEntityNameInfo;

 import org.kuali.rice.kim.bo.entity.dto.KimPrincipalInfo;

 import org.kuali.rice.kim.bo.types.dto.AttributeSet;

 import org.kuali.rice.kim.service.IdentityManagementService;

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

 import org.kuali.student.common.rice.StudentIdentityConstants;

 import org.kuali.student.common.rice.authorization.PermissionType;

 import org.kuali.student.common.ui.server.gwt.BaseRpcGwtServletAbstract;

 import org.kuali.student.core.comment.dto.CommentInfo;

 import org.kuali.student.core.comment.dto.CommentTypeInfo;

 import org.kuali.student.core.comment.service.CommentService;

 import org.kuali.student.core.comments.ui.client.service.CommentRpcService;

 public class CommentRpcGwtServlet extends BaseRpcGwtServletAbstract<CommentService> implements CommentRpcService {

         private static final long serialVersionUID = 1L;

         private IdentityManagementService identityService;

         public IdentityManagementService getIdentityService() {

         return identityService;

     }

     public void setIdentityService(IdentityManagementService identityService) {

         this.identityService = identityService;

     }

     @Override

         public CommentInfo addComment(String referenceId, String referenceTypeKey,

                         CommentInfo commentInfo) throws Exception {

                 return service.addComment(referenceId, referenceTypeKey, commentInfo);

         }

         @Override

         public List<CommentInfo> getComments(String referenceId,

                         String referenceTypeKey) throws Exception {

                 return service.getComments(referenceId, referenceTypeKey);

         }

         @Override

         public List<CommentInfo> getCommentsByType(String referenceId,

                         String referenceTypeKey, String commentTypeKey) throws Exception {

                 return service.getCommentsByType(referenceId, referenceTypeKey, commentTypeKey);

         }

         @Override

         public CommentInfo updateComment(String referenceId,

                         String referenceTypeKey, CommentInfo commentInfo) throws Exception {

                 return service.updateComment(referenceId, referenceTypeKey, commentInfo);

         }

         @Override

         public StatusInfo removeComment(String commentId, String referenceId,

                         String referenceTypeKey) throws Exception {

                 return service.removeComment(commentId, referenceId, referenceTypeKey);

         }

         @Override

         public List<CommentTypeInfo> getCommentTypesForReferenceType(String referenceTypeKey) throws Exception {

                 return service.getCommentTypesForReferenceType(referenceTypeKey);

         }

         @Override

     public Boolean isAuthorizedAddComment(String id, String referenceTypeKey) {

                 if (id != null && (!"".equals(id.trim()))) {

                         AttributeSet permissionDetails = new AttributeSet(StudentIdentityConstants.KS_REFERENCE_TYPE_KEY, referenceTypeKey);

                         if (getPermissionService().isPermissionDefinedForTemplateName(PermissionType.ADD_COMMENT.getPermissionNamespace(), PermissionType.ADD_COMMENT.getPermissionTemplateName(), permissionDetails)) {

                     AttributeSet roleQuals = new AttributeSet();

                     roleQuals.put(referenceTypeKey, id);

                     return Boolean.valueOf(getPermissionService().isAuthorizedByTemplateName(getCurrentUser(), PermissionType.ADD_COMMENT.getPermissionNamespace(), PermissionType.ADD_COMMENT.getPermissionTemplateName(), permissionDetails, roleQuals));

                         }

                 }

                 return Boolean.TRUE;

     }

         private String nvl(String inString) {

             return (inString == null)? "" : inString;

         }

     @Override

     public String getUserRealName(String principalName) {

         KimEntityInfo kimEntityInfo = identityService.getEntityInfoByPrincipalName(principalName);

         return getUserRealNameByEntityInfo(kimEntityInfo);

     }

     @Override

     public String getUserRealNameByPrincipalId(String principalId) {

         KimEntityInfo kimEntityInfo = identityService.getEntityInfoByPrincipalId(principalId);

         return getUserRealNameByEntityInfo(kimEntityInfo);

     }

     @Override

     public String getPrincipalNameByPrincipalId(String principalId) {

         KimPrincipalInfo kimPrincipalInfo = identityService.getPrincipal(principalId);

         return kimPrincipalInfo.getPrincipalName();

     }

     protected String getUserRealNameByEntityInfo(KimEntityInfo kimEntityInfo){

             KimEntityNameInfo kimEntityNameInfo = (kimEntityInfo == null)? null : kimEntityInfo.getDefaultName();

         StringBuilder name = new StringBuilder(); 

         if (kimEntityNameInfo != null) {

             if (!nvl(kimEntityNameInfo.getFirstName()).trim().isEmpty()) {

                 if (!name.toString().isEmpty()) {

                     name.append(" ");

                 }

                 name.append(nvl(kimEntityNameInfo.getFirstName()));

             }

             if (!nvl(kimEntityNameInfo.getMiddleName()).trim().isEmpty()) {

                 if (!name.toString().isEmpty()) {

                     name.append(" ");

                 }

                 name.append(nvl(kimEntityNameInfo.getMiddleName()));

             }

             if (!nvl(kimEntityNameInfo.getLastName()).trim().isEmpty()) {

                 if (!name.toString().isEmpty()) {

                     name.append(" ");

                 }

                 name.append(nvl(kimEntityNameInfo.getLastName()));

             }

         }

         return name.toString();

     }       

 }