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 }