Store LatestEdition property only after saving the Sone to disk.
[Sone.git] / src / main / java / net / pterodactylus / sone / web / ViewSonePage.java
1 /*
2  * Sone - ViewSonePage.java - Copyright © 2010 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;
19
20 import java.util.ArrayList;
21 import java.util.Collections;
22 import java.util.Comparator;
23 import java.util.HashMap;
24 import java.util.List;
25 import java.util.Map;
26 import java.util.Set;
27
28 import net.pterodactylus.sone.data.Post;
29 import net.pterodactylus.sone.data.Reply;
30 import net.pterodactylus.sone.data.Sone;
31 import net.pterodactylus.sone.template.SoneAccessor;
32 import net.pterodactylus.sone.web.page.FreenetRequest;
33 import net.pterodactylus.util.collection.Pagination;
34 import net.pterodactylus.util.number.Numbers;
35 import net.pterodactylus.util.template.Template;
36 import net.pterodactylus.util.template.TemplateContext;
37
38 /**
39  * Lets the user browser another Sone.
40  *
41  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
42  */
43 public class ViewSonePage extends SoneTemplatePage {
44
45         /**
46          * Creates a new “view Sone” page.
47          *
48          * @param template
49          *            The template to render
50          * @param webInterface
51          *            The Sone web interface
52          */
53         public ViewSonePage(Template template, WebInterface webInterface) {
54                 super("viewSone.html", template, webInterface, false);
55         }
56
57         //
58         // TEMPLATEPAGE METHODS
59         //
60
61         /**
62          * {@inheritDoc}
63          */
64         @Override
65         protected String getPageTitle(FreenetRequest request) {
66                 String soneId = request.getHttpRequest().getParam("sone");
67                 Sone sone = webInterface.getCore().getSone(soneId, false);
68                 if ((sone != null) && (sone.getTime() > 0)) {
69                         String soneName = SoneAccessor.getNiceName(sone);
70                         return soneName + " - " + webInterface.getL10n().getString("Page.ViewSone.Title");
71                 }
72                 return webInterface.getL10n().getString("Page.ViewSone.Page.TitleWithoutSone");
73         }
74
75         /**
76          * {@inheritDoc}
77          */
78         @Override
79         protected void processTemplate(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
80                 super.processTemplate(request, templateContext);
81                 String soneId = request.getHttpRequest().getParam("sone");
82                 Sone sone = webInterface.getCore().getSone(soneId, false);
83                 templateContext.set("sone", sone);
84                 templateContext.set("soneId", soneId);
85                 if (sone == null) {
86                         return;
87                 }
88                 List<Post> sonePosts = sone.getPosts();
89                 sonePosts.addAll(webInterface.getCore().getDirectedPosts(sone));
90                 Collections.sort(sonePosts, Post.TIME_COMPARATOR);
91                 Pagination<Post> postPagination = new Pagination<Post>(sonePosts, webInterface.getCore().getPreferences().getPostsPerPage()).setPage(Numbers.safeParseInteger(request.getHttpRequest().getParam("postPage"), 0));
92                 templateContext.set("postPagination", postPagination);
93                 templateContext.set("posts", postPagination.getItems());
94                 Set<Reply> replies = sone.getReplies();
95                 final Map<Post, List<Reply>> repliedPosts = new HashMap<Post, List<Reply>>();
96                 for (Reply reply : replies) {
97                         Post post = reply.getPost();
98                         if (repliedPosts.containsKey(post) || sone.equals(post.getSone()) || (sone.equals(post.getRecipient()))) {
99                                 continue;
100                         }
101                         repliedPosts.put(post, webInterface.getCore().getReplies(post));
102                 }
103                 List<Post> posts = new ArrayList<Post>(repliedPosts.keySet());
104                 Collections.sort(posts, new Comparator<Post>() {
105
106                         @Override
107                         public int compare(Post leftPost, Post rightPost) {
108                                 return (int) Math.min(Integer.MAX_VALUE, Math.max(Integer.MIN_VALUE, repliedPosts.get(rightPost).get(0).getTime() - repliedPosts.get(leftPost).get(0).getTime()));
109                         }
110
111                 });
112
113                 Pagination<Post> repliedPostPagination = new Pagination<Post>(posts, webInterface.getCore().getPreferences().getPostsPerPage()).setPage(Numbers.safeParseInteger(request.getHttpRequest().getParam("repliedPostPage"), 0));
114                 templateContext.set("repliedPostPagination", repliedPostPagination);
115                 templateContext.set("repliedPosts", repliedPostPagination.getItems());
116         }
117
118 }