src/main/java/net/pterodactylus/sone/web/ajax/EditImageAjaxPage.java

   1 /*
   2  * Sone - EditImageAjaxPage.java - Copyright © 2011–2013 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.sone.web.ajax;
  19
  20 import java.util.Collections;
  21
  22 import net.pterodactylus.sone.data.Image;
  23 import net.pterodactylus.sone.template.ParserFilter;
  24 import net.pterodactylus.sone.template.RenderFilter;
  25 import net.pterodactylus.sone.text.Part;
  26 import net.pterodactylus.sone.text.TextFilter;
  27 import net.pterodactylus.sone.web.WebInterface;
  28 import net.pterodactylus.sone.web.page.FreenetRequest;
  29 import net.pterodactylus.util.template.TemplateContext;
  30
  31 import com.google.common.collect.ImmutableMap;
  32
  33 /**
  34  * Page that stores a user’s image modifications.
  35  *
  36  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  37  */
  38 public class EditImageAjaxPage extends JsonPage {
  39
  40         private final ParserFilter parserFilter;
  41         private final RenderFilter renderFilter;
  42
  43         /**
  44          * Creates a new edit image AJAX page.
  45          *
  46          * @param webInterface
  47          *            The Sone web interface
  48          * @param parserFilter
  49          *            The parser filter for image descriptions
  50          */
  51         public EditImageAjaxPage(WebInterface webInterface, ParserFilter parserFilter, RenderFilter renderFilter) {
  52                 super("editImage.ajax", webInterface);
  53                 this.parserFilter = parserFilter;
  54                 this.renderFilter = renderFilter;
  55         }
  56
  57         //
  58         // JSONPAGE METHODS
  59         //
  60
  61         /**
  62          * {@inheritDoc}
  63          */
  64         @Override
  65         protected JsonReturnObject createJsonObject(FreenetRequest request) {
  66                 String imageId = request.getHttpRequest().getParam("image");
  67                 Image image = webInterface.getCore().getImage(imageId, false);
  68                 if (image == null) {
  69                         return createErrorJsonObject("invalid-image-id");
  70                 }
  71                 if (!image.getSone().isLocal()) {
  72                         return createErrorJsonObject("not-authorized");
  73                 }
  74                 if ("true".equals(request.getHttpRequest().getParam("moveLeft"))) {
  75                         Image swappedImage = image.getAlbum().moveImageUp(image);
  76                         webInterface.getCore().touchConfiguration();
  77                         return createSuccessJsonObject().put("sourceImageId", image.getId()).put("destinationImageId", swappedImage.getId());
  78                 }
  79                 if ("true".equals(request.getHttpRequest().getParam("moveRight"))) {
  80                         Image swappedImage = image.getAlbum().moveImageDown(image);
  81                         webInterface.getCore().touchConfiguration();
  82                         return createSuccessJsonObject().put("sourceImageId", image.getId()).put("destinationImageId", swappedImage.getId());
  83                 }
  84                 String title = request.getHttpRequest().getParam("title").trim();
  85                 if (title.isEmpty()) {
  86                         return createErrorJsonObject("invalid-image-title");
  87                 }
  88                 String description = request.getHttpRequest().getParam("description").trim();
  89                 image.modify().setTitle(title).setDescription(TextFilter.filter(request.getHttpRequest().getHeader("host"), description)).update();
  90                 webInterface.getCore().touchConfiguration();
  91                 return createSuccessJsonObject().put("imageId", image.getId())
  92                                 .put("title", image.getTitle())
  93                                 .put("description", image.getDescription())
  94                                 .put("parsedDescription", parseDescription(image));
  95         }
  96
  97         private String parseDescription(Image image) {
  98                 Iterable<Part> parts = (Iterable<Part>) parserFilter.format(new TemplateContext(), image.getDescription(),
  99                                 ImmutableMap.<String, Object>builder().put("sone", image.getSone()).build());
 100                 return (String) renderFilter.format(new TemplateContext(), parts, Collections.<String, Object>emptyMap());
 101         }
 102
 103 }