Don’t allow null for any attribute of a LinkPart
[Sone.git] / src / main / java / net / pterodactylus / sone / web / EditProfileFieldPage.java
1 /*
2  * Sone - EditProfileFieldPage.java - Copyright © 2011–2016 David Roden
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17
18 package net.pterodactylus.sone.web;
19
20 import net.pterodactylus.sone.data.Profile;
21 import net.pterodactylus.sone.data.Profile.Field;
22 import net.pterodactylus.sone.data.Sone;
23 import net.pterodactylus.sone.web.page.FreenetRequest;
24 import net.pterodactylus.util.template.Template;
25 import net.pterodactylus.util.template.TemplateContext;
26 import net.pterodactylus.util.web.Method;
27
28 /**
29  * Page that lets the user edit the name of a profile field.
30  *
31  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
32  */
33 public class EditProfileFieldPage extends SoneTemplatePage {
34
35         /**
36          * Creates a new “edit profile field” page.
37          *
38          * @param template
39          *            The template to render
40          * @param webInterface
41          *            The Sone web interface
42          */
43         public EditProfileFieldPage(Template template, WebInterface webInterface) {
44                 super("editProfileField.html", template, "Page.EditProfileField.Title", webInterface, true);
45         }
46
47         //
48         // SONETEMPLATEPAGE METHODS
49         //
50
51         /**
52          * {@inheritDoc}
53          */
54         @Override
55         protected void processTemplate(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
56                 super.processTemplate(request, templateContext);
57                 Sone currentSone = getCurrentSone(request.getToadletContext());
58                 Profile profile = currentSone.getProfile();
59
60                 /* get parameters from request. */
61                 String fieldId = request.getHttpRequest().getParam("field");
62                 Field field = profile.getFieldById(fieldId);
63                 if (field == null) {
64                         throw new RedirectException("invalid.html");
65                 }
66
67                 /* process the POST request. */
68                 if (request.getMethod() == Method.POST) {
69                         if (request.getHttpRequest().getPartAsStringFailsafe("cancel", 4).equals("true")) {
70                                 throw new RedirectException("editProfile.html#profile-fields");
71                         }
72                         fieldId = request.getHttpRequest().getPartAsStringFailsafe("field", 36);
73                         field = profile.getFieldById(fieldId);
74                         if (field == null) {
75                                 throw new RedirectException("invalid.html");
76                         }
77                         String name = request.getHttpRequest().getPartAsStringFailsafe("name", 256);
78                         Field existingField = profile.getFieldByName(name);
79                         if ((existingField == null) || (existingField.equals(field))) {
80                                 field.setName(name);
81                                 currentSone.setProfile(profile);
82                                 throw new RedirectException("editProfile.html#profile-fields");
83                         }
84                         templateContext.set("duplicateFieldName", true);
85                 }
86
87                 /* store current values in template. */
88                 templateContext.set("field", field);
89         }
90
91 }