Return an optional from the Sone parser.
[Sone.git] / src / main / java / net / pterodactylus / sone / web / EditProfileFieldPage.java
1 /*
2  * Sone - EditProfileFieldPage.java - Copyright © 2011–2013 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         @Override
52         protected void processTemplate(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
53                 super.processTemplate(request, templateContext);
54                 Sone currentSone = getCurrentSone(request.getToadletContext());
55                 Profile profile = currentSone.getProfile();
56
57                 /* get parameters from request. */
58                 String fieldId = request.getHttpRequest().getParam("field");
59                 Field field = profile.getFieldById(fieldId);
60                 if (field == null) {
61                         throw new RedirectException("invalid.html");
62                 }
63
64                 /* process the POST request. */
65                 if (request.getMethod() == Method.POST) {
66                         if (request.getHttpRequest().getPartAsStringFailsafe("cancel", 4).equals("true")) {
67                                 throw new RedirectException("editProfile.html#profile-fields");
68                         }
69                         fieldId = request.getHttpRequest().getPartAsStringFailsafe("field", 36);
70                         field = profile.getFieldById(fieldId);
71                         if (field == null) {
72                                 throw new RedirectException("invalid.html");
73                         }
74                         String name = request.getHttpRequest().getPartAsStringFailsafe("name", 256);
75                         Field existingField = profile.getFieldByName(name);
76                         if ((existingField == null) || (existingField.equals(field))) {
77                                 field.setName(name);
78                                 currentSone.setProfile(profile);
79                                 throw new RedirectException("editProfile.html#profile-fields");
80                         }
81                         templateContext.set("duplicateFieldName", true);
82                 }
83
84                 /* store current values in template. */
85                 templateContext.set("field", field);
86         }
87
88 }