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

   1 /*
   2  * DemosceneMusic - EditTrackPage.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 import java.util.List;
  22
  23 import net.pterodactylus.demoscenemusic.core.Core;
  24 import net.pterodactylus.demoscenemusic.data.Artist;
  25 import net.pterodactylus.demoscenemusic.data.Party;
  26 import net.pterodactylus.demoscenemusic.data.Track;
  27 import net.pterodactylus.demoscenemusic.page.ServletRequest;
  28 import net.pterodactylus.util.database.DatabaseException;
  29 import net.pterodactylus.util.template.Template;
  30 import net.pterodactylus.util.template.TemplateContext;
  31 import net.pterodactylus.util.template.TemplateContextFactory;
  32 import net.pterodactylus.util.web.Method;
  33 import net.pterodactylus.util.web.RedirectException;
  34
  35 /**
  36  * Page that lets the user edit a track.
  37  *
  38  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  39  */
  40 public class EditTrackPage extends AdminBasePage {
  41
  42         /**
  43          * Creates a new edit-track page.
  44          *
  45          * @param core
  46          *            The core
  47          * @param templateContextFactory
  48          *            The template contex factory
  49          * @param template
  50          *            The template to render
  51          */
  52         public EditTrackPage(Core core, TemplateContextFactory templateContextFactory, Template template) {
  53                 super(core, templateContextFactory, template, "admin.edit-track");
  54         }
  55
  56         //
  57         // BASEPAGE METHODS
  58         //
  59
  60         /**
  61          * {@inheritDoc}
  62          */
  63         @Override
  64         protected void processTemplate(TemplateContext templateContext, ServletRequest request) throws RedirectException {
  65                 super.processTemplate(templateContext, request);
  66                 String trackId = request.getServletRequest().getParameter("id");
  67                 try {
  68                         Track track = getCore().getDataManager().getTrackById(trackId);
  69                         if (track == null) {
  70                                 templateContext.set("error", "no-track-given");
  71                                 return;
  72                         }
  73
  74                         templateContext.set("track", track);
  75                         if (request.getMethod() == Method.POST) {
  76
  77                                 String partyId = request.getServletRequest().getParameter("party");
  78                                 Party party = getCore().getDataManager().getPartyById(partyId);
  79
  80                                 String artistId = request.getServletRequest().getParameter("artist");
  81                                 Artist artist = getCore().getDataManager().getArtistById(artistId);
  82
  83                                 /* check if a party should be removed. */
  84                                 if ("true".equals(request.getServletRequest().getParameter("delete-party"))) {
  85                                         Collection<Party> parties = track.getParties();
  86                                         parties.remove(party);
  87                                         track.setParties(parties);
  88                                 }
  89
  90                                 /* check if a party should be added. */
  91                                 if ("true".equals(request.getServletRequest().getParameter("add-party"))) {
  92                                         Collection<Party> parties = track.getParties();
  93                                         parties.add(party);
  94                                         track.setParties(parties);
  95                                 }
  96
  97                                 if ("true".equals(request.getServletRequest().getParameter("delete-artist"))) {
  98                                         List<Artist> artists = track.getArtists();
  99                                         artists.remove(artist);
 100                                         track.setArtists(artists);
 101                                 }
 102
 103                                 if ("true".equals(request.getServletRequest().getParameter("move-up"))) {
 104                                         List<Artist> artists = track.getArtists();
 105                                         int index = artists.indexOf(artist);
 106                                         if (index > 0) {
 107                                                 artists.remove(artist);
 108                                                 artists.add(index - 1, artist);
 109                                         }
 110                                         track.setArtists(artists);
 111                                 }
 112
 113                                 if ("true".equals(request.getServletRequest().getParameter("move-down"))) {
 114                                         List<Artist> artists = track.getArtists();
 115                                         int index = artists.indexOf(artist);
 116                                         if (index < (artists.size() - 1)) {
 117                                                 artists.remove(artist);
 118                                                 artists.add(index + 1, artist);
 119                                         }
 120                                         track.setArtists(artists);
 121                                 }
 122
 123                                 if ("true".equals(request.getServletRequest().getParameter("add-artist"))) {
 124                                         List<Artist> artists = track.getArtists();
 125                                         artists.add(artist);
 126                                         track.setArtists(artists);
 127                                 }
 128
 129                                 String name = request.getServletRequest().getParameter("name");
 130                                 if ((name != null) && (name.trim().length() > 0)) {
 131                                         track.setName(name);
 132                                 }
 133                                 String remix = request.getServletRequest().getParameter("remix");
 134                                 if ((remix != null) && (remix.trim().length() > 0)) {
 135                                         track.setRemix(remix);
 136                                 }
 137
 138                                 /* process properties. */
 139                                 processProperties(request, track);
 140
 141                                 getCore().getDataManager().saveTrack(track);
 142                                 throw new RedirectException("admin.edit-track?id=" + track.getId());
 143                         }
 144                 } catch (DatabaseException de1) {
 145                         throw new RuntimeException("Could not edit track.", de1);
 146                 }
 147         }
 148
 149 }