--- /dev/null
+/*
+ * 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+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.PostReply;
+import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.util.notify.Notification;
+
+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 ListNotificationFilter {
+
+ private final PostVisibilityFilter postVisibilityFilter;
+ private final ReplyVisibilityFilter replyVisibilityFilter;
+
+ @Inject
+ public ListNotificationFilter(@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
+ * new-reply notifications are removed completely. If {@code currentSone} is
+ * not {@code null}, only posts that are posted by a friend Sone or the Sone
+ * itself, and replies that are replies to posts of friend Sones or the Sone
+ * itself will be retained in the notifications.
+ *
+ * @param notifications
+ * The notifications to filter
+ * @param currentSone
+ * The current Sone, or {@code null} if not logged in
+ * @return The filtered notifications
+ */
+ @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 {
+ filteredNotifications.add(notification);
+ }
+ }
+ return filteredNotifications;
+ }
+
+ /**
+ * Filters the new posts of the given notification. If {@code currentSone}
+ * 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
+ * @param currentSone
+ * 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
+ */
+ @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 Optional.absent();
+ }
+ if (newPosts.size() == newPostNotification.getElements().size()) {
+ return Optional.of(newPostNotification);
+ }
+ ListNotification<Post> filteredNotification = new ListNotification<Post>(newPostNotification);
+ filteredNotification.setElements(newPosts);
+ filteredNotification.setLastUpdateTime(newPostNotification.getLastUpdatedTime());
+ return Optional.of(filteredNotification);
+ }
+
+ /**
+ * Filters the new replies of the given notification. If {@code currentSone}
+ * is {@code null}, {@code null} is returned and the notification is
+ * subsequently removed. Otherwise only replies that are replies to posts
+ * that are posted by friend Sones of the given Sone are retained; all other
+ * replies are removed.
+ *
+ * @param newReplyNotification
+ * The new-reply notification
+ * @param currentSone
+ * 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
+ */
+ 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 Optional.absent();
+ }
+ if (newReplies.size() == newReplyNotification.getElements().size()) {
+ return Optional.of(newReplyNotification);
+ }
+ ListNotification<PostReply> filteredNotification = new ListNotification<PostReply>(newReplyNotification);
+ filteredNotification.setElements(newReplies);
+ filteredNotification.setLastUpdateTime(newReplyNotification.getLastUpdatedTime());
+ return Optional.of(filteredNotification);
+ }
+
+}
projects / Sone.git / blobdiff