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