import net.pterodactylus.sone.data.Post;
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;
/**
* Filter for {@link ListNotification}s.
*/
public static List<Notification> filterNotifications(List<Notification> notifications, Sone currentSone) {
ListNotification<Post> newPostNotification = getNotification(notifications, "new-post-notification", Post.class);
- System.out.println("Found new-post-notification with " + ((newPostNotification != null) ? newPostNotification.getElements().size() : -1) + " posts.");
if (newPostNotification != null) {
ListNotification<Post> filteredNotification = filterNewPostNotification(newPostNotification, currentSone);
int notificationIndex = notifications.indexOf(newPostNotification);
if (filteredNotification == null) {
- System.out.println("Removing notification.");
notifications.remove(notificationIndex);
} else {
- System.out.println("Replacing Notification.");
notifications.set(notificationIndex, filteredNotification);
}
}
ListNotification<Reply> newReplyNotification = getNotification(notifications, "new-replies-notification", Reply.class);
- System.out.println("Found new-reply-notification with " + ((newReplyNotification != null) ? newReplyNotification.getElements().size() : -1) + " replies.");
if (newReplyNotification != null) {
ListNotification<Reply> filteredNotification = filterNewReplyNotification(newReplyNotification, currentSone);
int notificationIndex = notifications.indexOf(newReplyNotification);
if (filteredNotification == null) {
- System.out.println("Removing Notification.");
notifications.remove(notificationIndex);
} else {
- System.out.println("Replacing Notification.");
notifications.set(notificationIndex, filteredNotification);
}
}
* @return The filtered new-post notification, or {@code null} if the
* notification should be removed
*/
- private static ListNotification<Post> filterNewPostNotification(ListNotification<Post> newPostNotification, Sone currentSone) {
+ 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()) {
- System.out.println("Checking Post: " + post);
- if (currentSone.hasFriend(post.getSone().getId()) || currentSone.equals(post.getSone())) {
- System.out.println(" CS.hF: " + currentSone.hasFriend(post.getSone().getId()));
- System.out.println(" CS.e:" + currentSone.equals(post.getSone()));
+ if (isPostVisible(currentSone, post)) {
newPosts.add(post);
}
}
* @return The filtered new-reply notification, or {@code null} if the
* notification should be removed
*/
- private static ListNotification<Reply> filterNewReplyNotification(ListNotification<Reply> newReplyNotification, Sone currentSone) {
+ 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()) {
- System.out.println("Checking Reply: " + reply);
- if (currentSone.hasFriend(reply.getPost().getSone().getId()) || currentSone.equals(reply.getPost().getSone())) {
- System.out.println(" CS.hF: " + currentSone.hasFriend(reply.getPost().getSone().getId()));
- System.out.println(" CS.e: " + currentSone.equals(reply.getPost().getSone()));
+ if (isPostVisible(currentSone, reply.getPost())) {
newReplies.add(reply);
}
}
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;
+ }
+
}