edituseraction.java

老外的在线考试

/*
 * CyberTester - J2EE Web application for creating, delivering and managing tests/exams/surveys. 
 * Copyright (C) 2004 CyberDemia Research and Services Pty Ltd
 *
 * This program 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 (see the file COPYING); if not, write to the
 * Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * See the COPYING file located in the top-level-directory of
 * the archive of this program for complete text of license.
 */
package com.cyberdemia.cybertester.admin.user;

import javax.servlet.http.*;
import org.apache.struts.action.*;
import com.cyberdemia.user.*;
import com.cyberdemia.cybertester.*;
import com.cyberdemia.school.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.logging.*;
import com.cyberdemia.cybertester.admin.*;

/**
 * 
 * EditUserAction is a Struts action to load a user's data for the user editor page.
 *  
 * @version $Revision: 1.7 $ at $Date: 2004/06/04 12:50:06 $ by $Author: alexycyap $
 * @author Alexander Yap
 */
public final class EditUserAction extends AbstractAdminAction
{
	protected ActionForward doPerform(
		ActionMapping mapping, ActionForm form,
		HttpServletRequest request, HttpServletResponse response,
		HttpSession session) throws Exception	
	{

		Logger logger = CyberTesterUtils.getLogger();
		String mode = request.getParameter(AdminConstants.MODE_KEY);
		if (mode==null)
		{
			mode = AdminConstants.EDITOR_NEW_MODE;
		}
		if (form==null)
		{
			form = new UserForm();
			if ("request".equals(mapping.getScope()))
				request.setAttribute(mapping.getAttribute(), form);
			else
				session.setAttribute(mapping.getAttribute(), form);
		}
		
		String ownerHierId = (String)session.getAttribute(AdminConstants.SELECTED_HIERARCHY_ID_KEY);

		ActionErrors errors = new ActionErrors();
		UserForm userForm = (UserForm)form;
		// populate the form with data if editing existing question.
		if (AdminConstants.EDITOR_EDIT_MODE.equalsIgnoreCase(mode))
		{
            Integer userId = CyberTesterUtils.getIntegerParameterOrRequestAttribute(request, AdminConstants.USER_ID_KEY);
			if (userId!=null)
			{
				userForm.setMode(mode);
				try
				{
					loadUserIntoForm(userId, ownerHierId, userForm, request, errors);
				}
				catch (Exception ex)
				{
					logger.log( Level.SEVERE, "Error transferring User data to form.", ex);
					throw ex;
				}
			}
			else
			{
				userForm.reset(mapping,request);
			}
		}
		else
		{
			userForm.reset(mapping,request);
		}

		if (!errors.isEmpty())
		{
			saveErrors(request, errors);
		}
		
		request.setAttribute(AdminConstants.ASSOC_PARAM_PREFIX_KEY, AdminConstants.ASSOC_PARAM_PREFIX);
		request.setAttribute(AdminConstants.DISASSOC_PARAM_PREFIX_KEY, AdminConstants.DISASSOC_PARAM_PREFIX);
		request.setAttribute(AdminConstants.ASSIGN_GROUP_PARAM_PREFIX_KEY, AdminConstants.ASSIGN_GROUP_PARAM_PREFIX);
		request.setAttribute(AdminConstants.UNASSIGN_GROUP_PARAM_PREFIX_KEY, AdminConstants.UNASSIGN_GROUP_PARAM_PREFIX);
		String searchTarget = request.getParameter(AdminConstants.SEARCH_TARGET_KEY);
		request.setAttribute(AdminConstants.SEARCH_TARGET_KEY, (searchTarget!=null) ? searchTarget : "");
		
		// Set a transactional control token to prevent double posting
		saveToken(request);
		return (mapping.findForward(Constants.SUCCESS));
	}
	
	static void loadUserIntoForm(Integer userId, String ownerHierId, UserForm userForm, HttpServletRequest request, ActionErrors errors) throws Exception
	{
		UserManagerHome uMgrHome = CyberTesterUtils.getUserManagerHome();
		UserManager userMgr = (UserManager)uMgrHome.create();
		UserData user = userMgr.getUserData(userId, true);
		userForm.setTitle( user.getTitle() );
		userForm.setId( user.getId() );
		userForm.setEmail( user.getEmail() );
		userForm.setFirstName( user.getFirstName() );
		userForm.setLastName( user.getLastName() );
		userForm.setRoleGroup( user.isAdmin() ? "manager" : "testee" );
		
		GroupManagerHome grpMgrHome = CyberTesterUtils.getGroupManagerHome();
		GroupManager groupMgr = (GroupManager)grpMgrHome.create();
		GroupData[] assignedGroups = groupMgr.getGroupsByUser(user.getId());
		userForm.setGroups( Arrays.asList(assignedGroups));
		
		if (ownerHierId!=null)
		{
			GroupData[] groupsInHierarchy = groupMgr.getGroupsByParentId(ownerHierId,false,false);

			ArrayList availableGroupList = new ArrayList();
			for (int g=0; g<groupsInHierarchy.length; g++)
			{
				boolean groupAlreadyAssigned = false;
				for (int a=0; a<assignedGroups.length; a++)
				{
					if (groupsInHierarchy[g].equals(assignedGroups[a]))
					{
						groupAlreadyAssigned = true;
						break;
					}
				}
				if (!groupAlreadyAssigned)
				{
					availableGroupList.add(groupsInHierarchy[g]);
				}
			}
			userForm.setAvailableGroups(availableGroupList);
		}

		TestData[] userTestList = CyberTesterUtils.getTestsDataForUser(null, userId);
		TestData[] notUserTestList = CyberTesterUtils.getTestsDataForNotUser(null, userId);
		if ((userTestList!=null) && (notUserTestList!=null))
		{
			if (userTestList.length>0)
			{
				request.setAttribute(AdminConstants.USER_TEST_LIST_KEY, userTestList);
			}
			
			if (notUserTestList.length>0)
			{
				request.setAttribute(AdminConstants.NOT_USER_TEST_LIST_KEY, notUserTestList);
			}
		}
		else
		{
			errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.getting.tests"));									
		}
								
		
	}
}