GroupsWebHandler


1   /*
2    * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/admin/GroupsWebHandler.java,v 1.19 2006/04/14 17:05:25 minhnn Exp $
3    * $Author: minhnn $
4    * $Revision: 1.19 $
5    * $Date: 2006/04/14 17:05:25 $
6    *
7    * ====================================================================
8    *
9    * Copyright (C) 2002-2006 by MyVietnam.net
10   *
11   * All copyright notices regarding mvnForum MUST remain 
12   * intact in the scripts and in the outputted HTML.
13   * The "powered by" text/logo with a link back to
14   * http://www.mvnForum.com and http://www.MyVietnam.net in 
15   * the footer of the pages MUST remain visible when the pages
16   * are viewed on the internet or intranet.
17   *
18   * This program is free software; you can redistribute it and/or modify
19   * it under the terms of the GNU General Public License as published by
20   * the Free Software Foundation; either version 2 of the License, or
21   * any later version.
22   *
23   * This program is distributed in the hope that it will be useful,
24   * but WITHOUT ANY WARRANTY; without even the implied warranty of
25   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
26   * GNU General Public License for more details.
27   *
28   * You should have received a copy of the GNU General Public License
29   * along with this program; if not, write to the Free Software
30   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
31   *
32   * Support can be obtained from support forums at:
33   * http://www.mvnForum.com/mvnforum/index
34   *
35   * Correspondence and Marketing Questions can be sent to:
36   * info at MyVietnam net
37   *
38   * @author: Minh Nguyen  
39   * @author: Mai  Nguyen  
40   */
41  package com.mvnforum.admin;
42  
43  import java.sql.Timestamp  ;
44  import java.util.*;
45  
46  import com.mvnforum.*;
47  import com.mvnforum.auth.*;
48  import com.mvnforum.db.DAOFactory;
49  import com.mvnforum.db.GroupsBean;
50  import net.myvietnam.mvncore.exception.*;
51  import net.myvietnam.mvncore.util.*;
52  import net.myvietnam.mvncore.web.GenericRequest;
53  import net.myvietnam.mvncore.web.GenericResponse;
54  
55  public class GroupsWebHandler {
56  
57      private OnlineUserManager onlineUserManager = OnlineUserManager.getInstance();
58  
59      public GroupsWebHandler() {
60      }
61  
62      public void processAdd(GenericRequest request, GenericResponse response)
63          throws ObjectNotFoundException, BadInputException, CreateException, DatabaseException, DuplicateKeyException,
64          ForeignKeyNotFoundException, AuthenticationException, AssertionException {
65  
66          OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
67          MVNForumPermission permission = onlineUser.getPermission();
68          permission.ensureCanAdminSystem();
69  
70          MyUtil.saveVNTyperMode(request, response);
71          Timestamp   now = DateUtil.getCurrentGMTTimestamp();
72  
73          String   groupName        = GenericParamUtil.getParameterSafe(request, "GroupName", true);
74          String   groupDesc        = GenericParamUtil.getParameterSafe(request, "GroupDesc", false);
75          int groupOption         = 0;//GenericParamUtil.getParameterInt(request, "GroupOption");
76  
77          // now check the name should not be the default name of group of company
78          if (groupName.toLowerCase().startsWith(MVNForumGlobal.COMPANY_GROUP_FREFIX.toLowerCase())) {
79              throw new BadInputException("Cannot add group with the name reserved for company.");
80          }
81  
82          DAOFactory.getGroupsDAO().create(""/*groupOwnerName*/, groupName, groupDesc,
83                                 groupOption, now/*groupCreationDate*/, now/*groupModifiedDate*/);
84  
85          //now add owner to group if there is owner for this group
86          String   groupOwnerName   = GenericParamUtil.getParameterSafe(request, "GroupOwnerName", false);
87          if (groupOwnerName.length() > 0) {
88              int groupID     = DAOFactory.getGroupsDAO().getGroupIDFromGroupName(groupName);
89              int privilege   = 0;//@todo review and support it later, should be GroupAdmin
90              try {
91                  DAOFactory.getGroupsDAO().updateOwner(groupID, // primary key
92                                         groupOwnerName, now/*groupModifiedDate*/);
93                  DAOFactory.getMemberGroupDAO().create(groupID, groupOwnerName, privilege, now, now);
94              } catch (ForeignKeyNotFoundException ex) {
95                  // what should do when member not found ???
96                  // now, I just do nothing
97              } catch (DuplicateKeyException ex) {
98                  // do nothing, it is not an error (member already in this group)
99              }
100         }
101     }
102 
103     public void prepareDelete(GenericRequest request)
104         throws ObjectNotFoundException, BadInputException, DatabaseException, AuthenticationException, AssertionException {
105 
106         OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
107         MVNForumPermission permission = onlineUser.getPermission();
108         permission.ensureCanAdminSystem();
109 
110         Locale locale = I18nUtil.getLocaleInRequest(request);
111 
112         // primary key column(s)
113         int groupID = GenericParamUtil.getParameterInt(request, "group");
114 
115         //make sure reserved groups are never deleted (like "Registered Members" group)
116         if (groupID <= MVNForumConstant.LAST_RESERVED_GROUP_ID) {
117             String   localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.BadInputException.cannot_delete_group.id_less_than");
118             throw new BadInputException(localizedMessage);
119             //throw new BadInputException("Cannot delete group with id <= " + Integer.toString(MVNForumConstant.LAST_RESERVED_GROUP_ID));
120         }
121 
122         GroupsBean groupsBean = DAOFactory.getGroupsDAO().getGroup(groupID);
123 
124         request.setAttribute("GroupsBean", groupsBean);
125     }
126 
127     public void processDelete(GenericRequest request)
128         throws BadInputException, ObjectNotFoundException, DatabaseException, AuthenticationException, AssertionException {
129 
130         OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
131         MVNForumPermission permission = onlineUser.getPermission();
132         permission.ensureCanAdminSystem();
133 
134         Locale locale = I18nUtil.getLocaleInRequest(request);
135 
136         // primary key column(s)
137         int groupID = GenericParamUtil.getParameterInt(request, "group");
138 
139         //make sure reserved groups are never deleted (like "Registered Members" group)
140         if (groupID <= MVNForumConstant.LAST_RESERVED_GROUP_ID) {
141             String   localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.BadInputException.cannot_delete_group.id_less_than", new Object  []{Integer.toString(MVNForumConstant.LAST_RESERVED_GROUP_ID)});
142             throw new BadInputException(localizedMessage);
143             //throw new BadInputException("Cannot delete group with id <= " + Integer.toString(MVNForumConstant.LAST_RESERVED_GROUP_ID));
144         }
145 
146         // now check the name should not be the default name of group of company
147         GroupsBean groupsBean = DAOFactory.getGroupsDAO().getGroup(groupID);
148         if (groupsBean.getGroupName().toLowerCase().startsWith(MVNForumGlobal.COMPANY_GROUP_FREFIX.toLowerCase())) {
149             throw new BadInputException("Cannot delete group with the name reserved for company.");
150         }
151 
152         // now check the password
153         MyUtil.ensureCorrectCurrentPassword(request);
154 
155         DAOFactory.getGroupForumDAO().delete_inGroup(groupID);
156 
157         DAOFactory.getGroupPermissionDAO().delete_inGroup(groupID);
158 
159         DAOFactory.getMemberGroupDAO().delete_inGroup(groupID);
160 
161         DAOFactory.getGroupsDAO().delete(groupID);
162     }
163 
164     public void processUpdate(GenericRequest request, GenericResponse response)
165         throws BadInputException, ObjectNotFoundException, DatabaseException, DuplicateKeyException,
166         AuthenticationException, AssertionException {
167 
168         OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
169         MVNForumPermission permission = onlineUser.getPermission();
170         permission.ensureCanAdminSystem();
171 
172         MyUtil.saveVNTyperMode(request, response);
173         Timestamp   now = DateUtil.getCurrentGMTTimestamp();
174 
175         // primary key column(s)
176         int groupID = GenericParamUtil.getParameterInt(request, "group");
177 
178         // column(s) to update
179         String   groupName = GenericParamUtil.getParameterSafe(request, "GroupName", true);
180         String   groupDesc = GenericParamUtil.getParameterSafe(request, "GroupDesc", true);
181 
182         // now check the name should not be the default name of group of company
183         GroupsBean groupBean = DAOFactory.getGroupsDAO().getGroup(groupID);
184         if (groupBean.getGroupName().toLowerCase().startsWith(MVNForumGlobal.COMPANY_GROUP_FREFIX.toLowerCase())) {
185             throw new BadInputException("Cannot edit auto-generated group for company.");
186         }
187 
188         DAOFactory.getGroupsDAO().update(groupID, // primary key
189                                groupName, groupDesc, now/*groupModifiedDate*/);
190     }
191 
192     public void processUpdateGroupOwner(GenericRequest request)
193         throws ObjectNotFoundException, BadInputException, DatabaseException, ForeignKeyNotFoundException,
194         CreateException, AuthenticationException, AssertionException {
195 
196         OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
197         MVNForumPermission permission = onlineUser.getPermission();
198         permission.ensureCanAdminSystem();
199 
200         Locale locale = I18nUtil.getLocaleInRequest(request);
201 
202         Timestamp   now = DateUtil.getCurrentGMTTimestamp();
203 
204         // primary key column(s)
205         int groupID = GenericParamUtil.getParameterInt(request, "group");
206 
207         //make sure group owners for reserved groups can't be changed
208         if (groupID <= MVNForumConstant.LAST_RESERVED_GROUP_ID) {
209             String   localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.BadInputException.cannot_delete_group_owner_for_reserved_groups");
210             throw new BadInputException(localizedMessage);
211             //throw new AssertionException("Cannot update group owner for reserved (virtual) groups.");
212         }
213         //@todo: Igor: Why don't we allow changing of GroupOwner for reserved groups? I think we have no reason to disallow that.
214 
215         // column(s) to update
216         String   groupOwnerName = GenericParamUtil.getParameterSafe(request, "GroupOwnerName", false);
217 
218         DAOFactory.getGroupsDAO().updateOwner(groupID, // primary key
219                                groupOwnerName, now/*groupModifiedDate*/);
220 
221         /*
222          * now add owner to group if there is owner for this group
223          * if member already in the group, we dont throw Exception (DuplicateKeyException)
224          */
225         if (groupOwnerName.length() > 0) {
226             int privilege = 0;//@todo review and support it later
227             try {
228                 DAOFactory.getMemberGroupDAO().create(groupID, groupOwnerName, privilege, now, now);
229             } catch (DuplicateKeyException ex) {
230                 // do nothing, it is not an error (member already in this group)
231             }
232         }
233     }
234 
235     public void prepareView(GenericRequest request)
236         throws BadInputException, ObjectNotFoundException, DatabaseException, AuthenticationException, AssertionException {
237 
238         OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
239         MVNForumPermission permission = onlineUser.getPermission();
240         permission.ensureCanAdminSystem();
241 
242         // primary key column(s)
243         int groupID = GenericParamUtil.getParameterInt(request, "group");
244 
245         GroupsBean groupsBean = DAOFactory.getGroupsDAO().getGroup(groupID);
246 
247         request.setAttribute("GroupsBean", groupsBean);
248     }
249 
250     public void prepareList(GenericRequest request)
251         throws DatabaseException, AuthenticationException, AssertionException {
252 
253         OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
254         MVNForumPermission permission = onlineUser.getPermission();
255         permission.ensureCanAdminSystem();
256 
257         Collection groupsBeans = DAOFactory.getGroupsDAO().getGroups();
258 
259         // now count the number of members in each group
260         Iterator iterator = groupsBeans.iterator();
261         while(iterator.hasNext()) {
262             GroupsBean groupsBean = (GroupsBean)iterator.next();
263             int groupID = groupsBean.getGroupID();
264             if (groupID == MVNForumConstant.GROUP_ID_OF_REGISTERED_MEMBERS) {
265                 int memberCount = DAOFactory.getMemberDAO().getNumberOfMembers();
266                 if (MVNForumConfig.isGuestUserInDatabase()) {
267                     //"Registered Members" group. Exclude virtual guest from count.
268                     memberCount--;
269                 }
270                 groupsBean.setGroupMemberCount(memberCount);
271             } else if (groupID <= MVNForumConstant.LAST_RESERVED_GROUP_ID) {
272                 //other reserved groups
273                 groupsBean.setGroupMemberCount(0);
274             } else {
275                 groupsBean.setGroupMemberCount(DAOFactory.getMemberGroupDAO().getNumberOfBeans_inGroup(groupID));
276             }
277         }
278 
279         request.setAttribute("GroupsBeans", groupsBeans);
280     }
281 
282 }
283
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags