2 * Sone - GetPostFeedCommand.java - Copyright © 2011–2013 David Roden
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.
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.
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/>.
18 package net.pterodactylus.sone.fcp;
20 import static com.google.common.base.Optional.presentInstances;
21 import static com.google.common.collect.FluentIterable.from;
22 import static net.pterodactylus.sone.data.Sone.TO_POSTS;
24 import java.util.Collection;
25 import java.util.Collections;
26 import java.util.HashSet;
27 import java.util.List;
29 import net.pterodactylus.sone.core.Core;
30 import net.pterodactylus.sone.data.Post;
31 import net.pterodactylus.sone.data.Sone;
32 import net.pterodactylus.sone.freenet.fcp.FcpException;
34 import freenet.support.SimpleFieldSet;
35 import freenet.support.api.Bucket;
38 * Implementation of an FCP interface for other clients or plugins to
39 * communicate with Sone.
41 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
43 public class GetPostFeedCommand extends AbstractSoneCommand {
46 * Creates a new “GetPostFeed” command.
51 public GetPostFeedCommand(Core core) {
56 public Response execute(SimpleFieldSet parameters, Bucket data, AccessType accessType) throws FcpException {
57 Sone sone = getMandatoryLocalSone(parameters, "Sone");
58 int startPost = getInt(parameters, "StartPost", 0);
59 int maxPosts = getInt(parameters, "MaxPosts", -1);
61 List<Post> sortedPosts = from(collectAllPostsForSone(sone)).filter(Post.FUTURE_POSTS_FILTER).toSortedList(Post.TIME_COMPARATOR);
63 if (sortedPosts.size() < startPost) {
64 return new Response("PostFeed", encodePosts(Collections.<Post>emptyList(), "Posts."));
67 return new Response("PostFeed", encodePostsWithReplies(sortedPosts.subList(startPost, (maxPosts == -1) ? sortedPosts.size() : Math.min(startPost + maxPosts, sortedPosts.size())), "Posts."));
70 private Collection<Post> collectAllPostsForSone(Sone sone) {
71 Collection<Post> allPosts = new HashSet<Post>();
72 allPosts.addAll(sone.getPosts());
73 allPosts.addAll(from(presentInstances(from(sone.getFriends()).transform(getCore().getDatabase().getSone()))).transformAndConcat(TO_POSTS).toList());
74 allPosts.addAll(getCore().getDatabase().getDirectedPosts(sone.getId()));