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.ArrayList;
  21 import java.util.List;
  22 import java.util.Map.Entry;
  23
  24 import net.pterodactylus.demoscenemusic.core.Core;
  25 import net.pterodactylus.demoscenemusic.data.Artist;
  26 import net.pterodactylus.demoscenemusic.page.ServletRequest;
  27 import net.pterodactylus.util.database.DatabaseException;
  28 import net.pterodactylus.util.template.Template;
  29 import net.pterodactylus.util.template.TemplateContext;
  30 import net.pterodactylus.util.template.TemplateContextFactory;
  31 import net.pterodactylus.util.web.Method;
  32 import net.pterodactylus.util.web.RedirectException;
  33
  34 /**
  35  * Page that lets the user edit an artist.
  36  *
  37  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  38  */
  39 public class EditArtistPage extends AdminBasePage {
  40
  41         /**
  42          * Creates a new “edit artist” page.
  43          *
  44          * @param core
  45          *            The core
  46          * @param templateContextFactory
  47          *            The template context factory
  48          * @param template
  49          *            The template to render
  50          */
  51         public EditArtistPage(Core core, TemplateContextFactory templateContextFactory, Template template) {
  52                 super(core, templateContextFactory, template, "admin.edit-artist");
  53         }
  54
  55         //
  56         // BASEPAGE METHODS
  57         //
  58
  59         /**
  60          * {@inheritDoc}
  61          */
  62         @Override
  63         protected void processTemplate(TemplateContext templateContext, ServletRequest request) throws RedirectException {
  64                 super.processTemplate(templateContext, request);
  65                 String id = request.getServletRequest().getParameter("id");
  66                 /* TODO - check for null. */
  67                 Artist artist;
  68                 try {
  69                         artist = getCore().getDataManager().getArtistById(id);
  70                         /* TODO - check for null. */
  71                         templateContext.set("artist", artist);
  72                         if (request.getMethod() == Method.POST) {
  73                                 String name = request.getServletRequest().getParameter("name");
  74                                 artist.setName(name);
  75
  76                                 /* check if properties were changed. */
  77                                 List<String> propertiesToDelete = new ArrayList<String>();
  78                                 for (Entry<String, String> property : artist.getProperties()) {
  79                                         if (request.getServletRequest().getParameter("delete." + property.getKey()) != null) {
  80                                                 propertiesToDelete.add(property.getKey());
  81                                                 continue;
  82                                         }
  83                                         String value = request.getServletRequest().getParameter("value." + property.getKey()).trim();
  84                                         artist.getProperties().set(property.getKey(), value);
  85                                 }
  86
  87                                 /* check if properties are deleted. */
  88                                 if (!propertiesToDelete.isEmpty()) {
  89                                         for (String propertyToDelete : propertiesToDelete) {
  90                                                 artist.getProperties().remove(propertyToDelete);
  91                                         }
  92                                 }
  93
  94                                 /* check for a new property. */
  95                                 if ("true".equals(request.getServletRequest().getParameter("new-property"))) {
  96                                         String property = request.getServletRequest().getParameter("property").trim();
  97                                         String value = request.getServletRequest().getParameter("value").trim();
  98                                         if ((property.length() > 0) && (value.length() > 0)) {
  99                                                 artist.getProperties().set(property, value);
 100                                         }
 101                                 }
 102
 103                                 getCore().getDataManager().saveArtist(artist);
 104                                 throw new RedirectException("admin.edit-artist?id=" + artist.getId());
 105                         }
 106                 } catch (DatabaseException de1) {
 107                         throw new RuntimeException("Could not load artist.", de1);
 108                 }
 109         }
 110
 111 }