8c97a841383115c10e8b77d548911076834ca222
[demoscenemusic.git] / EditDerivativePage.java
1 /*
2  * DemosceneMusic - EditDerivativePage.java - Copyright © 2012 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.demoscenemusic.page.admin;
19
20 import net.pterodactylus.demoscenemusic.core.Core;
21 import net.pterodactylus.demoscenemusic.data.Track;
22 import net.pterodactylus.demoscenemusic.data.TrackDerivative;
23 import net.pterodactylus.demoscenemusic.page.ServletRequest;
24 import net.pterodactylus.util.database.DatabaseException;
25 import net.pterodactylus.util.template.Template;
26 import net.pterodactylus.util.template.TemplateContext;
27 import net.pterodactylus.util.template.TemplateContextFactory;
28 import net.pterodactylus.util.web.Method;
29 import net.pterodactylus.util.web.RedirectException;
30
31 /**
32  * Page that lets a user edit a derivative.
33  *
34  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
35  */
36 public class EditDerivativePage extends AdminBasePage {
37
38         /**
39          * Creates a new edit-derivative page.
40          *
41          * @param core
42          *            The core
43          * @param templateContextFactory
44          *            The template context factory
45          * @param template
46          *            The template to render
47          */
48         public EditDerivativePage(Core core, TemplateContextFactory templateContextFactory, Template template) {
49                 super(core, templateContextFactory, template, "admin.edit-derivative");
50         }
51
52         //
53         // BASEPAGE METHODS
54         //
55
56         /**
57          * {@inheritDoc}
58          */
59         @Override
60         protected void processTemplate(TemplateContext templateContext, ServletRequest request) throws RedirectException {
61                 super.processTemplate(templateContext, request);
62                 if (request.getMethod() == Method.POST) {
63
64                         try {
65
66                                 String trackId = request.getServletRequest().getParameter("track");
67                                 Track track = getCore().getDataManager().getTrackById(trackId);
68                                 String derivativeId = request.getServletRequest().getParameter("derivative");
69                                 TrackDerivative derivative = getCore().getDataManager().getTrackDerivativeById(derivativeId);
70
71                                 if ("true".equals(request.getServletRequest().getParameter("delete"))) {
72                                         getCore().getDataDirectory().removeFile(derivativeId);
73                                         getCore().getDataManager().removeTrackDerivative(derivative);
74                                         throw new RedirectException("admin.edit-track?id=" + track.getId());
75                                 }
76
77                                 processProperties(request, derivative);
78                                 getCore().getDataManager().saveTrackDerivate(derivative);
79                                 throw new RedirectException("admin.edit-track?id=" + track.getId());
80
81                         } catch (DatabaseException de1) {
82                                 throw new RuntimeException("Could not edit derivative.", de1);
83                         }
84                 }
85         }
86
87 }