src/main/java/net/pterodactylus/demoscenemusic/page/admin/EditArtistPage.java

   1 /*
   2  * DemosceneMusic - EditArtistPage.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 java.util.Collection;
  21
  22 import net.pterodactylus.demoscenemusic.core.Core;
  23 import net.pterodactylus.demoscenemusic.data.Artist;
  24 import net.pterodactylus.demoscenemusic.data.Group;
  25 import net.pterodactylus.demoscenemusic.page.ServletRequest;
  26 import net.pterodactylus.util.database.DatabaseException;
  27 import net.pterodactylus.util.template.Template;
  28 import net.pterodactylus.util.template.TemplateContext;
  29 import net.pterodactylus.util.template.TemplateContextFactory;
  30 import net.pterodactylus.util.web.Method;
  31 import net.pterodactylus.util.web.RedirectException;
  32
  33 /**
  34  * Page that lets the user edit an artist.
  35  *
  36  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  37  */
  38 public class EditArtistPage extends AdminBasePage {
  39
  40         /**
  41          * Creates a new “edit artist” page.
  42          *
  43          * @param core
  44          *            The core
  45          * @param templateContextFactory
  46          *            The template context factory
  47          * @param template
  48          *            The template to render
  49          */
  50         public EditArtistPage(Core core, TemplateContextFactory templateContextFactory, Template template) {
  51                 super(core, templateContextFactory, template, "admin.edit-artist");
  52         }
  53
  54         //
  55         // BASEPAGE METHODS
  56         //
  57
  58         /**
  59          * {@inheritDoc}
  60          */
  61         @Override
  62         protected void processTemplate(TemplateContext templateContext, ServletRequest request) throws RedirectException {
  63                 super.processTemplate(templateContext, request);
  64                 String id = request.getServletRequest().getParameter("id");
  65                 try {
  66                         Artist artist = getCore().getDataManager().getArtistById(id);
  67                         /* TODO - check for null. */
  68                         templateContext.set("artist", artist);
  69                         if (request.getMethod() == Method.POST) {
  70                                 String name = request.getServletRequest().getParameter("name");
  71                                 if ((name != null) && (name.trim().length() > 0)) {
  72                                         artist.setName(name);
  73                                 }
  74
  75                                 /* process property changes. */
  76                                 processProperties(request, artist);
  77
  78                                 /* check for new group. */
  79                                 if ("true".equals(request.getServletRequest().getParameter("add-group"))) {
  80                                         String groupId = request.getServletRequest().getParameter("group");
  81                                         Group group = getCore().getDataManager().getGroupById(groupId);
  82                                         Collection<Group> groups = artist.getGroups();
  83                                         groups.add(group);
  84                                         artist.setGroups(groups);
  85                                 }
  86
  87                                 /* check for deleted groups. */
  88                                 if ("true".equals(request.getServletRequest().getParameter("delete-group"))) {
  89                                         String groupId = request.getServletRequest().getParameter("group");
  90                                         Group group = getCore().getDataManager().getGroupById(groupId);
  91                                         Collection<Group> groups = artist.getGroups();
  92                                         groups.remove(group);
  93                                         artist.setGroups(groups);
  94                                 }
  95
  96                                 getCore().getDataManager().saveArtist(artist);
  97                                 throw new RedirectException("admin.edit-artist?id=" + artist.getId());
  98                         }
  99                 } catch (DatabaseException de1) {
 100                         throw new RuntimeException("Could not load artist.", de1);
 101                 }
 102         }
 103
 104 }