org.lamsfoundation.lams.admin.web.action.UserSearchSingleTermAction.java Source code

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Here is the source code for org.lamsfoundation.lams.admin.web.action.UserSearchSingleTermAction.java

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/****************************************************************
 * Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
 * =============================================================
 * License Information: http://lamsfoundation.org/licensing/lams/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 * USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 * ****************************************************************
 */

/* $Id: UserSearchSingleTermAction.java,v 1.1 2007-12-05 05:52:49 jliew Exp $ */
package org.lamsfoundation.lams.admin.web.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.lang.StringUtils;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.lamsfoundation.lams.admin.service.AdminServiceProxy;
import org.lamsfoundation.lams.usermanagement.Organisation;
import org.lamsfoundation.lams.usermanagement.OrganisationType;
import org.lamsfoundation.lams.usermanagement.Role;
import org.lamsfoundation.lams.usermanagement.dto.UserDTO;
import org.lamsfoundation.lams.usermanagement.service.IUserManagementService;
import org.lamsfoundation.lams.util.WebUtil;
import org.lamsfoundation.lams.web.session.SessionManager;
import org.lamsfoundation.lams.web.util.AttributeNames;

/**
 * @author jliew
 * 
 * @struts:action path="/user/searchsingle" validate="false"
 *
 * @struts:action-forward name="basiclist" path="/user/basiclist.jsp"
 */
public class UserSearchSingleTermAction extends Action {

    private static IUserManagementService service;

    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        service = AdminServiceProxy.getService(getServlet().getServletContext());
        String term = WebUtil.readStrParam(request, "term", true);
        Integer orgId = WebUtil.readIntParam(request, "orgId", true);

        if (StringUtils.isNotBlank(term)) {
            List users = new ArrayList();
            if (orgId != null) {
                // filter results according to user's roles
                Organisation org = (Organisation) service.findById(Organisation.class, orgId);
                Organisation group;
                if (org != null) {
                    HttpSession session = SessionManager.getSession();
                    if (session != null) {
                        UserDTO userDto = (UserDTO) session.getAttribute(AttributeNames.USER);
                        if (userDto != null) {
                            Integer userId = userDto.getUserID();
                            if (org.getOrganisationType().getOrganisationTypeId()
                                    .equals(OrganisationType.CLASS_TYPE)) {
                                group = org.getParentOrganisation();
                            } else {
                                group = org;
                            }
                            // get search results, filtered according to orgId
                            if (request.isUserInRole(Role.SYSADMIN) || service.isUserGlobalGroupAdmin()) {
                                users = service.searchUserSingleTerm(term, orgId);
                            } else if (service.isUserInRole(userId, group.getOrganisationId(), Role.GROUP_ADMIN)
                                    || service.isUserInRole(userId, group.getOrganisationId(),
                                            Role.GROUP_MANAGER)) {
                                if (group.getCourseAdminCanBrowseAllUsers()) {
                                    users = service.searchUserSingleTerm(term, orgId);
                                } else if (org.getOrganisationType().getOrganisationTypeId()
                                        .equals(OrganisationType.CLASS_TYPE)) {
                                    users = service.searchUserSingleTerm(term, group.getOrganisationId(), orgId);
                                }
                            }
                        }
                    }
                }
            } else {
                // if there's no orgId param, search all users
                users = service.searchUserSingleTerm(term);
            }
            request.setAttribute("users", users);
        }

        return mapping.findForward("basiclist");
    }
}