/*
- * Sone - ListNotificationFilters.java - Copyright © 2010 David Roden
+ * Sone - ListNotificationFilters.java - Copyright © 2010–2015 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.collect.FluentIterable.from;
+
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
+import javax.inject.Singleton;
import net.pterodactylus.sone.data.Post;
-import net.pterodactylus.sone.data.Reply;
+import net.pterodactylus.sone.data.PostReply;
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.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
+@Singleton
public class ListNotificationFilters {
+ private final PostVisibilityFilter postVisibilityFilter;
+ private final ReplyVisibilityFilter replyVisibilityFilter;
+
+ @Inject
+ public ListNotificationFilters(@Nonnull PostVisibilityFilter postVisibilityFilter, @Nonnull ReplyVisibilityFilter replyVisibilityFilter) {
+ this.postVisibilityFilter = postVisibilityFilter;
+ this.replyVisibilityFilter = replyVisibilityFilter;
+ }
+
/**
* Filters new-post and new-reply notifications in the given list of
* notifications. If {@code currentSone} is <code>null</code>, new-post and
* itself will be retained in the notifications.
*
* @param notifications
- * The notifications to filter
+ * The notifications to filter
* @param currentSone
- * The current Sone, or {@code null} if not logged in
+ * The current Sone, or {@code null} if not logged in
* @return The filtered notifications
*/
- public static List<Notification> filterNotifications(List<Notification> notifications, Sone currentSone) {
- ListNotification<Post> newPostNotification = getNotification(notifications, "new-post-notification", Post.class);
- if (newPostNotification != null) {
- ListNotification<Post> filteredNotification = filterNewPostNotification(newPostNotification, currentSone);
- int notificationIndex = notifications.indexOf(newPostNotification);
- if (filteredNotification == null) {
- notifications.remove(notificationIndex);
- } else {
- notifications.set(notificationIndex, filteredNotification);
- }
- }
- ListNotification<Reply> newReplyNotification = getNotification(notifications, "new-replies-notification", Reply.class);
- if (newReplyNotification != null) {
- ListNotification<Reply> filteredNotification = filterNewReplyNotification(newReplyNotification, currentSone);
- int notificationIndex = notifications.indexOf(newReplyNotification);
- if (filteredNotification == null) {
- notifications.remove(notificationIndex);
+ @SuppressWarnings("unchecked")
+ public List<Notification> filterNotifications(Collection<? extends Notification> notifications, Sone currentSone) {
+ List<Notification> filteredNotifications = new ArrayList<Notification>();
+ for (Notification notification : notifications) {
+ if (notification.getId().equals("new-sone-notification")) {
+ if ((currentSone != null) && !currentSone.getOptions().isShowNewSoneNotifications()) {
+ continue;
+ }
+ filteredNotifications.add(notification);
+ } else if (notification.getId().equals("new-post-notification")) {
+ if (currentSone == null) {
+ continue;
+ }
+ if (!currentSone.getOptions().isShowNewPostNotifications()) {
+ continue;
+ }
+ Optional<ListNotification<Post>> filteredNotification = filterNewPostNotification((ListNotification<Post>) notification, currentSone);
+ if (filteredNotification.isPresent()) {
+ filteredNotifications.add(filteredNotification.get());
+ }
+ } else if (notification.getId().equals("new-reply-notification")) {
+ if (currentSone == null) {
+ continue;
+ }
+ if (!currentSone.getOptions().isShowNewReplyNotifications()) {
+ continue;
+ }
+ Optional<ListNotification<PostReply>> filteredNotification =
+ filterNewReplyNotification((ListNotification<PostReply>) notification, currentSone);
+ if (filteredNotification.isPresent()) {
+ filteredNotifications.add(filteredNotification.get());
+ }
+ } else if (notification.getId().equals("mention-notification")) {
+ Optional<ListNotification<Post>> filteredNotification = filterNewPostNotification((ListNotification<Post>) notification, null);
+ if (filteredNotification.isPresent()) {
+ filteredNotifications.add(filteredNotification.get());
+ }
} else {
- notifications.set(notificationIndex, filteredNotification);
+ filteredNotifications.add(notification);
}
}
- return notifications;
+ return filteredNotifications;
}
/**
* Filters the new posts of the given notification. If {@code currentSone}
- * is {@code null}, {@code null} is returned and the notification is
- * subsequently removed. Otherwise only posts that are posted by friend
- * Sones of the given Sone are retained; all other posts are removed.
+ * is {@code null} and {@code soneRequired} is {@code true}, {@code null} is
+ * returned and the notification is subsequently removed. Otherwise only
+ * posts that are posted by friend Sones of the given Sone are retained; all
+ * other posts are removed.
*
* @param newPostNotification
- * The new-post notification
+ * The new-post notification
* @param currentSone
- * The current Sone, or {@code null} if not logged in
+ * The current Sone, or {@code null} if not logged in
* @return The filtered new-post notification, or {@code null} if the
- * notification should be removed
+ * notification should be removed
*/
- public static ListNotification<Post> filterNewPostNotification(ListNotification<Post> newPostNotification, Sone currentSone) {
- if (currentSone == null) {
- return null;
- }
- List<Post> newPosts = new ArrayList<Post>();
- for (Post post : newPostNotification.getElements()) {
- if (isPostVisible(currentSone, post)) {
- newPosts.add(post);
- }
- }
+ @Nonnull
+ private Optional<ListNotification<Post>> filterNewPostNotification(@Nonnull ListNotification<Post> newPostNotification,
+ @Nonnull Sone currentSone) {
+ List<Post> newPosts = from(newPostNotification.getElements()).filter(postVisibilityFilter.isVisible(currentSone)).toList();
if (newPosts.isEmpty()) {
- return null;
+ return Optional.absent();
}
if (newPosts.size() == newPostNotification.getElements().size()) {
- return newPostNotification;
+ return Optional.of(newPostNotification);
}
ListNotification<Post> filteredNotification = new ListNotification<Post>(newPostNotification);
filteredNotification.setElements(newPosts);
- return filteredNotification;
+ filteredNotification.setLastUpdateTime(newPostNotification.getLastUpdatedTime());
+ return Optional.of(filteredNotification);
}
/**
* replies are removed.
*
* @param newReplyNotification
- * The new-reply notification
+ * The new-reply notification
* @param currentSone
- * The current Sone, or {@code null} if not logged in
+ * The current Sone, or {@code null} if not logged in
* @return The filtered new-reply notification, or {@code null} if the
- * notification should be removed
+ * notification should be removed
*/
- public static ListNotification<Reply> filterNewReplyNotification(ListNotification<Reply> newReplyNotification, Sone currentSone) {
- if (currentSone == null) {
- return null;
- }
- List<Reply> newReplies = new ArrayList<Reply>();
- for (Reply reply : newReplyNotification.getElements()) {
- if (isPostVisible(currentSone, reply.getPost())) {
- newReplies.add(reply);
- }
- }
+ private Optional<ListNotification<PostReply>> filterNewReplyNotification(ListNotification<PostReply> newReplyNotification,
+ @Nonnull Sone currentSone) {
+ List<PostReply> newReplies = from(newReplyNotification.getElements()).filter(replyVisibilityFilter.isVisible(currentSone)).toList();
if (newReplies.isEmpty()) {
- return null;
+ return Optional.absent();
}
if (newReplies.size() == newReplyNotification.getElements().size()) {
- return newReplyNotification;
+ return Optional.of(newReplyNotification);
}
- ListNotification<Reply> filteredNotification = new ListNotification<Reply>(newReplyNotification);
+ ListNotification<PostReply> filteredNotification = new ListNotification<PostReply>(newReplyNotification);
filteredNotification.setElements(newReplies);
- return filteredNotification;
- }
-
- /**
- * Finds the notification with the given ID in the list of notifications and
- * returns it.
- *
- * @param <T>
- * The type of the item in the notification
- * @param notifications
- * The notification to search
- * @param notificationId
- * The ID of the requested notification
- * @param notificationElementClass
- * The class of the notification item
- * @return The requested notification, or {@code null} if no notification
- * with the given ID could be found
- */
- @SuppressWarnings("unchecked")
- private static <T> ListNotification<T> getNotification(Collection<? extends Notification> notifications, String notificationId, Class<T> notificationElementClass) {
- for (Notification notification : notifications) {
- if (!notificationId.equals(notification.getId())) {
- continue;
- }
- return (ListNotification<T>) notification;
- }
- return null;
- }
-
- /**
- * 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>
- * <li>The post does not have a Sone.</li>
- * <li>The Sone of the post is not the given Sone, the given Sone does not
- * follow the post’s Sone, and the given Sone is not the recipient of the
- * post.</li>
- * <li>The trust relationship between the two Sones can not be retrieved.</li>
- * <li>The given Sone has explicitely assigned negative trust to the post’s
- * Sone.</li>
- * <li>The given Sone has not explicitely assigned negative trust to the
- * post’s Sone but the implicit trust is negative.</li>
- * </ul>
- * If none of these statements is true the post is considered visible.
- *
- * @param sone
- * The Sone that checks for a post’s visibility
- * @param post
- * The post to check for visibility
- * @return {@code true} if the post is considered visible, {@code false}
- * otherwise
- */
- public static boolean isPostVisible(Sone sone, Post post) {
- Validation.begin().isNotNull("Sone", sone).isNotNull("Post", post).check().isNotNull("Sone’s Identity", sone.getIdentity()).check().isInstanceOf("Sone’s Identity", sone.getIdentity(), OwnIdentity.class).check();
- Sone postSone = post.getSone();
- if (postSone == null) {
- return false;
- }
- Trust trust = postSone.getIdentity().getTrust((OwnIdentity) sone.getIdentity());
- if (trust != null) {
- if ((trust.getExplicit() != null) && (trust.getExplicit() < 0)) {
- return false;
- }
- if ((trust.getExplicit() == null) && (trust.getImplicit() != null) && (trust.getImplicit() < 0)) {
- return false;
- }
- } else {
- return false;
- }
- if ((!postSone.equals(sone)) && !sone.hasFriend(postSone.getId()) && !sone.equals(post.getRecipient())) {
- return false;
- }
- return true;
+ filteredNotification.setLastUpdateTime(newReplyNotification.getLastUpdatedTime());
+ return Optional.of(filteredNotification);
}
}
projects / Sone.git / blobdiff