/*
- * Sone - ListNotificationFilters.java - Copyright © 2010 David Roden
+ * Sone - ListNotificationFilters.java - Copyright © 2010–2013 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
package net.pterodactylus.sone.notify;
+import static com.google.common.base.Preconditions.checkNotNull;
+
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import net.pterodactylus.sone.data.Post;
+import net.pterodactylus.sone.data.PostReply;
import net.pterodactylus.sone.data.Reply;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.freenet.wot.OwnIdentity;
import net.pterodactylus.sone.freenet.wot.Trust;
import net.pterodactylus.util.notify.Notification;
-import net.pterodactylus.util.validation.Validation;
+
+import com.google.common.base.Optional;
/**
* Filter for {@link ListNotification}s.
public static List<Notification> filterNotifications(Collection<? extends Notification> notifications, Sone currentSone) {
List<Notification> filteredNotifications = new ArrayList<Notification>();
for (Notification notification : notifications) {
- if (notification.getId().equals("new-post-notification")) {
+ if (notification.getId().equals("new-sone-notification")) {
+ if ((currentSone != null) && (!currentSone.getOptions().getBooleanOption("ShowNotification/NewSones").get())) {
+ continue;
+ }
+ filteredNotifications.add(notification);
+ } else if (notification.getId().equals("new-post-notification")) {
+ if ((currentSone != null) && (!currentSone.getOptions().getBooleanOption("ShowNotification/NewPosts").get())) {
+ continue;
+ }
ListNotification<Post> filteredNotification = filterNewPostNotification((ListNotification<Post>) notification, currentSone, true);
if (filteredNotification != null) {
filteredNotifications.add(filteredNotification);
}
} else if (notification.getId().equals("new-reply-notification")) {
- ListNotification<Reply> filteredNotification = filterNewReplyNotification((ListNotification<Reply>) notification, currentSone);
+ if ((currentSone != null) && (!currentSone.getOptions().getBooleanOption("ShowNotification/NewReplies").get())) {
+ continue;
+ }
+ ListNotification<PostReply> filteredNotification = filterNewReplyNotification((ListNotification<PostReply>) notification, currentSone);
if (filteredNotification != null) {
filteredNotifications.add(filteredNotification);
}
* @return The filtered new-reply notification, or {@code null} if the
* notification should be removed
*/
- public static ListNotification<Reply> filterNewReplyNotification(ListNotification<Reply> newReplyNotification, Sone currentSone) {
+ public static ListNotification<PostReply> filterNewReplyNotification(ListNotification<PostReply> newReplyNotification, Sone currentSone) {
if (currentSone == null) {
return null;
}
- List<Reply> newReplies = new ArrayList<Reply>();
- for (Reply reply : newReplyNotification.getElements()) {
+ List<PostReply> newReplies = new ArrayList<PostReply>();
+ for (PostReply reply : newReplyNotification.getElements()) {
if (isReplyVisible(currentSone, reply)) {
newReplies.add(reply);
}
if (newReplies.size() == newReplyNotification.getElements().size()) {
return newReplyNotification;
}
- ListNotification<Reply> filteredNotification = new ListNotification<Reply>(newReplyNotification);
+ ListNotification<PostReply> filteredNotification = new ListNotification<PostReply>(newReplyNotification);
filteredNotification.setElements(newReplies);
filteredNotification.setLastUpdateTime(newReplyNotification.getLastUpdatedTime());
return filteredNotification;
}
/**
+ * Filters the given posts, using {@link #isPostVisible(Sone, Post)} to
+ * decide whether a post should be contained in the returned list. If
+ * {@code currentSone} is not {@code null} it is used to filter out posts
+ * that are from Sones that are not followed or not trusted by the given
+ * Sone.
+ *
+ * @param posts
+ * The posts to filter
+ * @param currentSone
+ * The current Sone (may be {@code null})
+ * @return The filtered posts
+ */
+ public static List<Post> filterPosts(Collection<Post> posts, Sone currentSone) {
+ List<Post> filteredPosts = new ArrayList<Post>();
+ for (Post post : posts) {
+ if (isPostVisible(currentSone, post)) {
+ filteredPosts.add(post);
+ }
+ }
+ return filteredPosts;
+ }
+
+ /**
* Checks whether a post is visible to the given Sone. A post is not
* considered visible if one of the following statements is true:
* <ul>
* otherwise
*/
public static boolean isPostVisible(Sone sone, Post post) {
- Validation.begin().isNotNull("Post", post).check();
+ checkNotNull(post, "post must not be null");
Sone postSone = post.getSone();
if (postSone == null) {
return false;
return false;
}
} else {
- return false;
+ /*
+ * a null trust means that the trust updater has not yet
+ * received a trust value for this relation. if we return false,
+ * the post feed will stay empty until the trust updater has
+ * received trust values. to prevent this we simply assume that
+ * posts are visible if there is no trust.
+ */
}
- if ((!postSone.equals(sone)) && !sone.hasFriend(postSone.getId()) && !sone.equals(post.getRecipient())) {
+ if ((!postSone.equals(sone)) && !sone.hasFriend(postSone.getId()) && !sone.getId().equals(post.getRecipientId().orNull())) {
return false;
}
}
* @return {@code true} if the reply is considered visible, {@code false}
* otherwise
*/
- public static boolean isReplyVisible(Sone sone, Reply reply) {
- Validation.begin().isNotNull("Reply", reply).check();
- Post post = reply.getPost();
- if (post == null) {
+ public static boolean isReplyVisible(Sone sone, PostReply reply) {
+ checkNotNull(reply, "reply must not be null");
+ Optional<Post> post = reply.getPost();
+ if (!post.isPresent()) {
return false;
}
- if (!isPostVisible(sone, post)) {
+ if (!isPostVisible(sone, post.get())) {
return false;
}
if (reply.getTime() > System.currentTimeMillis()) {