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

   1 /*
   2  * Sone - EditImageAjaxPage.java - Copyright © 2011–2016 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 com.google.common.collect.ImmutableMap;
  21 import net.pterodactylus.sone.data.Image;
  22 import net.pterodactylus.sone.template.ParserFilter;
  23 import net.pterodactylus.sone.template.RenderFilter;
  24 import net.pterodactylus.sone.template.ShortenFilter;
  25 import net.pterodactylus.sone.text.TextFilter;
  26 import net.pterodactylus.sone.web.WebInterface;
  27 import net.pterodactylus.sone.web.page.FreenetRequest;
  28 import net.pterodactylus.util.template.TemplateContext;
  29
  30 /**
  31  * Page that stores a user’s image modifications.
  32  *
  33  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  34  */
  35 public class EditImageAjaxPage extends JsonPage {
  36
  37         private final ParserFilter parserFilter;
  38         private final ShortenFilter shortenFilter;
  39         private final RenderFilter renderFilter;
  40
  41         /**
  42          * Creates a new edit image AJAX page.
  43          *
  44          * @param webInterface
  45          *            The Sone web interface
  46          * @param parserFilter
  47          *            The parser filter for image descriptions
  48          */
  49         public EditImageAjaxPage(WebInterface webInterface, ParserFilter parserFilter, ShortenFilter shortenFilter, RenderFilter renderFilter) {
  50                 super("editImage.ajax", webInterface);
  51                 this.parserFilter = parserFilter;
  52                 this.shortenFilter = shortenFilter;
  53                 this.renderFilter = renderFilter;
  54         }
  55
  56         //
  57         // JSONPAGE METHODS
  58         //
  59
  60         /**
  61          * {@inheritDoc}
  62          */
  63         @Override
  64         protected JsonReturnObject createJsonObject(FreenetRequest request) {
  65                 String imageId = request.getHttpRequest().getParam("image");
  66                 Image image = webInterface.getCore().getImage(imageId, false);
  67                 if (image == null) {
  68                         return createErrorJsonObject("invalid-image-id");
  69                 }
  70                 if (!image.getSone().isLocal()) {
  71                         return createErrorJsonObject("not-authorized");
  72                 }
  73                 if ("true".equals(request.getHttpRequest().getParam("moveLeft"))) {
  74                         Image swappedImage = image.getAlbum().moveImageUp(image);
  75                         webInterface.getCore().touchConfiguration();
  76                         return createSuccessJsonObject().put("sourceImageId", image.getId()).put("destinationImageId", swappedImage.getId());
  77                 }
  78                 if ("true".equals(request.getHttpRequest().getParam("moveRight"))) {
  79                         Image swappedImage = image.getAlbum().moveImageDown(image);
  80                         webInterface.getCore().touchConfiguration();
  81                         return createSuccessJsonObject().put("sourceImageId", image.getId()).put("destinationImageId", swappedImage.getId());
  82                 }
  83                 String title = request.getHttpRequest().getParam("title").trim();
  84                 if (title.isEmpty()) {
  85                         return createErrorJsonObject("invalid-image-title");
  86                 }
  87                 String description = request.getHttpRequest().getParam("description").trim();
  88                 image.modify().setTitle(title).setDescription(TextFilter.filter(request.getHttpRequest().getHeader("host"), description)).update();
  89                 webInterface.getCore().touchConfiguration();
  90                 return createSuccessJsonObject().put("imageId", image.getId()).put("title", image.getTitle()).put("description", image.getDescription()).put("parsedDescription", renderImageDescription(image));
  91         }
  92
  93         private String renderImageDescription(Image image) {
  94                 TemplateContext templateContext = new TemplateContext();
  95                 ImmutableMap<String, Object> parameters = ImmutableMap.<String, Object>builder().put("sone", image.getSone()).build();
  96                 Object parts = parserFilter.format(templateContext, image.getDescription(), parameters);
  97                 Object shortenedParts = shortenFilter.format(templateContext, parts, parameters);
  98                 return (String) renderFilter.format(templateContext, shortenedParts, parameters);
  99         }
 100
 101 }