2 * Sone - GetPostFeedCommand.java - Copyright © 2011–2012 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 java.util.ArrayList;
21 import java.util.Collections;
22 import java.util.HashSet;
23 import java.util.List;
26 import net.pterodactylus.sone.core.Core;
27 import net.pterodactylus.sone.data.Post;
28 import net.pterodactylus.sone.data.Sone;
29 import net.pterodactylus.sone.freenet.fcp.FcpException;
30 import net.pterodactylus.util.collection.filter.Filters;
31 import freenet.support.SimpleFieldSet;
32 import freenet.support.api.Bucket;
35 * Implementation of an FCP interface for other clients or plugins to
36 * communicate with Sone.
38 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
40 public class GetPostFeedCommand extends AbstractSoneCommand {
43 * Creates a new “GetPostFeed” command.
48 public GetPostFeedCommand(Core core) {
56 public Response execute(SimpleFieldSet parameters, Bucket data, AccessType accessType) throws FcpException {
57 Sone sone = getSone(parameters, "Sone", true);
58 int startPost = getInt(parameters, "StartPost", 0);
59 int maxPosts = getInt(parameters, "MaxPosts", -1);
61 Set<Post> allPosts = new HashSet<Post>();
62 allPosts.addAll(sone.getPosts());
63 for (String friendSoneId : sone.getFriends()) {
64 if (!getCore().hasSone(friendSoneId)) {
67 allPosts.addAll(getCore().getSone(friendSoneId, false).getPosts());
69 allPosts.addAll(getCore().getDirectedPosts(sone));
70 allPosts = Filters.filteredSet(allPosts, Post.FUTURE_POSTS_FILTER);
72 List<Post> sortedPosts = new ArrayList<Post>(allPosts);
73 Collections.sort(sortedPosts, Post.TIME_COMPARATOR);
75 if (sortedPosts.size() < startPost) {
76 return new Response("PostFeed", encodePosts(Collections.<Post> emptyList(), "Posts.", false));
79 return new Response("PostFeed", encodePosts(sortedPosts.subList(startPost, (maxPosts == -1) ? sortedPosts.size() : Math.min(startPost + maxPosts, sortedPosts.size())), "Posts.", true));