+ }
+ database.storeSone(sone);
+ soneDownloader.addSone(sone);
+ soneDownloaders.execute(soneDownloader.fetchSoneAsUskAction(sone));
+ return sone;
+ }
+
+ /**
+ * Lets the given local Sone follow the Sone with the given ID.
+ *
+ * @param sone
+ * The local Sone that should follow another Sone
+ * @param soneId
+ * The ID of the Sone to follow
+ */
+ public void followSone(Sone sone, String soneId) {
+ checkNotNull(sone, "sone must not be null");
+ checkNotNull(soneId, "soneId must not be null");
+ database.addFriend(sone, soneId);
+ @SuppressWarnings("ConstantConditions") // we just followed, this can’t be null.
+ long now = database.getFollowingTime(soneId);
+ Sone followedSone = getSone(soneId);
+ if (followedSone == null) {
+ return;
+ }
+ for (Post post : followedSone.getPosts()) {
+ if (post.getTime() < now) {
+ markPostKnown(post);
+ }
+ }
+ for (PostReply reply : followedSone.getReplies()) {
+ if (reply.getTime() < now) {
+ markReplyKnown(reply);
+ }
+ }
+ touchConfiguration();
+ }
+
+ /**
+ * Lets the given local Sone unfollow the Sone with the given ID.
+ *
+ * @param sone
+ * The local Sone that should unfollow another Sone
+ * @param soneId
+ * The ID of the Sone being unfollowed
+ */
+ public void unfollowSone(Sone sone, String soneId) {
+ checkNotNull(sone, "sone must not be null");
+ checkNotNull(soneId, "soneId must not be null");
+ database.removeFriend(sone, soneId);
+ touchConfiguration();
+ }
+
+ /**
+ * Sets the trust value of the given origin Sone for the target Sone.
+ *
+ * @param origin
+ * The origin Sone
+ * @param target
+ * The target Sone
+ * @param trustValue
+ * The trust value (from {@code -100} to {@code 100})
+ */
+ public void setTrust(Sone origin, Sone target, int trustValue) {
+ checkNotNull(origin, "origin must not be null");
+ checkArgument(origin.getIdentity() instanceof OwnIdentity, "origin must be a local Sone");
+ checkNotNull(target, "target must not be null");
+ checkArgument((trustValue >= -100) && (trustValue <= 100), "trustValue must be within [-100, 100]");
+ webOfTrustUpdater.setTrust((OwnIdentity) origin.getIdentity(), target.getIdentity(), trustValue, preferences.getTrustComment());
+ }
+
+ /**
+ * Removes any trust assignment for the given target Sone.
+ *
+ * @param origin
+ * The trust origin
+ * @param target
+ * The trust target
+ */
+ public void removeTrust(Sone origin, Sone target) {
+ checkNotNull(origin, "origin must not be null");
+ checkNotNull(target, "target must not be null");
+ checkArgument(origin.getIdentity() instanceof OwnIdentity, "origin must be a local Sone");
+ webOfTrustUpdater.setTrust((OwnIdentity) origin.getIdentity(), target.getIdentity(), null, null);
+ }
+
+ /**
+ * Assigns the configured positive trust value for the given target.
+ *
+ * @param origin
+ * The trust origin
+ * @param target
+ * The trust target
+ */
+ public void trustSone(Sone origin, Sone target) {
+ setTrust(origin, target, preferences.getPositiveTrust());
+ }
+
+ /**
+ * Assigns the configured negative trust value for the given target.
+ *
+ * @param origin
+ * The trust origin
+ * @param target
+ * The trust target
+ */
+ public void distrustSone(Sone origin, Sone target) {
+ setTrust(origin, target, preferences.getNegativeTrust());
+ }
+
+ /**
+ * Removes the trust assignment for the given target.
+ *
+ * @param origin
+ * The trust origin
+ * @param target
+ * The trust target
+ */
+ public void untrustSone(Sone origin, Sone target) {
+ removeTrust(origin, target);
+ }
+
+ /**
+ * Updates the stored Sone with the given Sone.
+ *
+ * @param sone
+ * The updated Sone
+ */
+ public void updateSone(Sone sone) {
+ updateSone(sone, false);
+ }
+
+ /**
+ * Updates the stored Sone with the given Sone. If {@code soneRescueMode} is
+ * {@code true}, an older Sone than the current Sone can be given to restore
+ * an old state.
+ *
+ * @param sone
+ * The Sone to update
+ * @param soneRescueMode
+ * {@code true} if the stored Sone should be updated regardless
+ * of the age of the given Sone
+ */
+ public void updateSone(final Sone sone, boolean soneRescueMode) {
+ Sone storedSone = getSone(sone.getId());
+ if (storedSone != null) {
+ if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) {
+ logger.log(Level.FINE, String.format("Downloaded Sone %s is not newer than stored Sone %s.", sone, storedSone));
+ return;
+ }
+ List<Object> events =
+ collectEventsForChangesInSone(storedSone, sone);
+ database.storeSone(sone);
+ for (Object event : events) {
+ eventBus.post(event);
+ }
+ sone.setOptions(storedSone.getOptions());
+ sone.setKnown(storedSone.isKnown());
+ sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
+ if (sone.isLocal()) {
+ touchConfiguration();
+ }
+ }
+ }
+
+ private List<Object> collectEventsForChangesInSone(Sone oldSone, Sone newSone) {
+ List<Object> events = new ArrayList<>();
+ SoneComparison soneComparison = new SoneComparison(oldSone, newSone);
+ for (Post newPost : soneComparison.getNewPosts()) {
+ if (newPost.getSone().equals(newSone)) {
+ newPost.setKnown(true);
+ } else if (newPost.getTime() < database.getFollowingTime(newSone.getId())) {
+ newPost.setKnown(true);
+ } else if (!newPost.isKnown()) {
+ events.add(new NewPostFoundEvent(newPost));
+ }
+ }
+ for (Post post : soneComparison.getRemovedPosts()) {
+ events.add(new PostRemovedEvent(post));
+ }
+ for (PostReply postReply : soneComparison.getNewPostReplies()) {
+ if (postReply.getSone().equals(newSone)) {
+ postReply.setKnown(true);
+ } else if (postReply.getTime() < database.getFollowingTime(newSone.getId())) {
+ postReply.setKnown(true);
+ } else if (!postReply.isKnown()) {
+ events.add(new NewPostReplyFoundEvent(postReply));
+ }
+ }
+ for (PostReply postReply : soneComparison.getRemovedPostReplies()) {
+ events.add(new PostReplyRemovedEvent(postReply));
+ }
+ return events;