Return an optional from the Sone parser.
[Sone.git] / src / main / java / net / pterodactylus / sone / web / DeleteAlbumPage.java
1 /*
2  * Sone - DeleteAlbumPage.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.Album;
21 import net.pterodactylus.sone.web.page.FreenetRequest;
22 import net.pterodactylus.util.template.Template;
23 import net.pterodactylus.util.template.TemplateContext;
24 import net.pterodactylus.util.web.Method;
25
26 import com.google.common.base.Optional;
27
28 /**
29  * Page that lets the user delete an {@link Album}.
30  *
31  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
32  */
33 public class DeleteAlbumPage extends SoneTemplatePage {
34
35         /**
36          * Creates a new “delete album” page.
37          *
38          * @param template
39          *            The template to render
40          * @param webInterface
41          *            The Sone web interface
42          */
43         public DeleteAlbumPage(Template template, WebInterface webInterface) {
44                 super("deleteAlbum.html", template, "Page.DeleteAlbum.Title", webInterface, true);
45         }
46
47         @Override
48         protected void processTemplate(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
49                 super.processTemplate(request, templateContext);
50                 if (request.getMethod() == Method.POST) {
51                         String albumId = request.getHttpRequest().getPartAsStringFailsafe("album", 36);
52                         Optional<Album> album = webInterface.getCore().getAlbum(albumId);
53                         if (!album.isPresent()) {
54                                 throw new RedirectException("invalid.html");
55                         }
56                         if (!album.get().getSone().isLocal()) {
57                                 throw new RedirectException("noPermission.html");
58                         }
59                         if (request.getHttpRequest().isPartSet("abortDelete")) {
60                                 throw new RedirectException("imageBrowser.html?album=" + album.get().getId());
61                         }
62                         Album parentAlbum = album.get().getParent();
63                         album.get().remove();
64                         if (parentAlbum.equals(album.get().getSone().getRootAlbum())) {
65                                 throw new RedirectException("imageBrowser.html?sone=" + album.get().getSone().getId());
66                         }
67                         throw new RedirectException("imageBrowser.html?album=" + parentAlbum.getId());
68                 }
69                 String albumId = request.getHttpRequest().getParam("album");
70                 Optional<Album> album = webInterface.getCore().getAlbum(albumId);
71                 if (!album.isPresent()) {
72                         throw new RedirectException("invalid.html");
73                 }
74                 templateContext.set("album", album);
75         }
76
77 }