Don’t forget to fire events.
[Sone.git] / src / main / java / net / pterodactylus / sone / core / Core.java
index 0fbbf3c..806ac21 100644 (file)
@@ -95,10 +95,17 @@ public class Core implements IdentityListener {
        /** The Sone downloader. */
        private final SoneDownloader soneDownloader;
 
+       /** Whether the core has been stopped. */
+       private volatile boolean stopped;
+
        /** The Sones’ statuses. */
        /* synchronize access on itself. */
        private final Map<Sone, SoneStatus> soneStatuses = new HashMap<Sone, SoneStatus>();
 
+       /** Locked local Sones. */
+       /* synchronize on itself. */
+       private final Set<Sone> lockedSones = new HashSet<Sone>();
+
        /** Sone inserters. */
        /* synchronize access on this on localSones. */
        private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
@@ -192,6 +199,16 @@ public class Core implements IdentityListener {
        }
 
        /**
+        * Returns whether the “Sone rescue mode” is currently activated.
+        *
+        * @return {@code true} if the “Sone rescue mode” is currently activated,
+        *         {@code false} if it is not
+        */
+       public boolean isSoneRescueMode() {
+               return options.getBooleanOption("SoneRescueMode").get();
+       }
+
+       /**
         * Returns the identity manager used by the core.
         *
         * @return The identity manager
@@ -228,6 +245,19 @@ public class Core implements IdentityListener {
        }
 
        /**
+        * Returns whether the given Sone is currently locked.
+        *
+        * @param sone
+        *            The sone to check
+        * @return {@code true} if the Sone is locked, {@code false} if it is not
+        */
+       public boolean isLocked(Sone sone) {
+               synchronized (lockedSones) {
+                       return lockedSones.contains(sone);
+               }
+       }
+
+       /**
         * Returns all Sones, remote and local.
         *
         * @return All Sones
@@ -488,6 +518,9 @@ public class Core implements IdentityListener {
                synchronized (newPosts) {
                        boolean isNew = !knownPosts.contains(postId) && newPosts.remove(postId);
                        knownPosts.add(postId);
+                       if (isNew) {
+                               coreListenerManager.fireMarkPostKnown(getPost(postId));
+                       }
                        return isNew;
                }
        }
@@ -543,6 +576,9 @@ public class Core implements IdentityListener {
                synchronized (newReplies) {
                        boolean isNew = !knownReplies.contains(replyId) && newReplies.remove(replyId);
                        knownReplies.add(replyId);
+                       if (isNew) {
+                               coreListenerManager.fireMarkReplyKnown(getReply(replyId));
+                       }
                        return isNew;
                }
        }
@@ -586,6 +622,33 @@ public class Core implements IdentityListener {
        //
 
        /**
+        * Locks the given Sone. A locked Sone will not be inserted by
+        * {@link SoneInserter} until it is {@link #unlockSone(Sone) unlocked}
+        * again.
+        *
+        * @param sone
+        *            The sone to lock
+        */
+       public void lockSone(Sone sone) {
+               synchronized (lockedSones) {
+                       lockedSones.add(sone);
+               }
+       }
+
+       /**
+        * Unlocks the given Sone.
+        *
+        * @see #lockSone(Sone)
+        * @param sone
+        *            The sone to unlock
+        */
+       public void unlockSone(Sone sone) {
+               synchronized (lockedSones) {
+                       lockedSones.remove(sone);
+               }
+       }
+
+       /**
         * Adds a local Sone from the given ID which has to be the ID of an own
         * identity.
         *
@@ -632,17 +695,34 @@ public class Core implements IdentityListener {
                        sone.setClient(new Client("Sone", SonePlugin.VERSION.toString()));
                        /* TODO - load posts ’n stuff */
                        localSones.put(ownIdentity.getId(), sone);
-                       SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone);
+                       final SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone);
                        soneInserters.put(sone, soneInserter);
                        setSoneStatus(sone, SoneStatus.idle);
                        loadSone(sone);
-                       soneInserter.start();
+                       if (!isSoneRescueMode()) {
+                               soneInserter.start();
+                       }
                        new Thread(new Runnable() {
 
                                @Override
                                @SuppressWarnings("synthetic-access")
                                public void run() {
-                                       soneDownloader.fetchSone(sone);
+                                       if (!isSoneRescueMode()) {
+                                               soneDownloader.fetchSone(sone);
+                                               return;
+                                       }
+                                       logger.log(Level.INFO, "Trying to restore Sone from Freenet…");
+                                       coreListenerManager.fireRescuingSone(sone);
+                                       lockSone(sone);
+                                       long edition = sone.getLatestEdition();
+                                       while (!stopped && (edition >= 0) && isSoneRescueMode()) {
+                                               logger.log(Level.FINE, "Downloading edition " + edition + "…");
+                                               soneDownloader.fetchSone(sone, sone.getRequestUri().setKeyType("SSK").setDocName("Sone-" + edition));
+                                               --edition;
+                                       }
+                                       logger.log(Level.INFO, "Finished restoring Sone from Freenet, starting Inserter…");
+                                       coreListenerManager.fireRescuedSone(sone);
+                                       soneInserter.start();
                                }
 
                        }, "Sone Downloader").start();
@@ -715,32 +795,40 @@ public class Core implements IdentityListener {
         */
        public void updateSone(Sone sone) {
                if (hasSone(sone.getId())) {
+                       boolean soneRescueMode = isLocalSone(sone) && isSoneRescueMode();
                        Sone storedSone = getSone(sone.getId());
-                       if (!(sone.getTime() > storedSone.getTime())) {
+                       if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) {
                                logger.log(Level.FINE, "Downloaded Sone %s is not newer than stored Sone %s.", new Object[] { sone, storedSone });
                                return;
                        }
                        synchronized (posts) {
-                               for (Post post : storedSone.getPosts()) {
-                                       posts.remove(post.getId());
+                               if (!soneRescueMode) {
+                                       for (Post post : storedSone.getPosts()) {
+                                               posts.remove(post.getId());
+                                       }
                                }
                                synchronized (newPosts) {
                                        for (Post post : sone.getPosts()) {
-                                               if (!storedSone.getPosts().contains(post) && !knownSones.contains(post.getId())) {
+                                               if (!storedSone.getPosts().contains(post) && !knownPosts.contains(post.getId())) {
+                                                       post.setSone(getSone(post.getSone().getId()));
                                                        newPosts.add(post.getId());
+                                                       coreListenerManager.fireNewPostFound(post);
                                                }
                                                posts.put(post.getId(), post);
                                        }
                                }
                        }
                        synchronized (replies) {
-                               for (Reply reply : storedSone.getReplies()) {
-                                       replies.remove(reply.getId());
+                               if (!soneRescueMode) {
+                                       for (Reply reply : storedSone.getReplies()) {
+                                               replies.remove(reply.getId());
+                                       }
                                }
                                synchronized (newReplies) {
                                        for (Reply reply : sone.getReplies()) {
-                                               if (!storedSone.getReplies().contains(reply) && !knownSones.contains(reply.getId())) {
+                                               if (!storedSone.getReplies().contains(reply) && !knownReplies.contains(reply.getId())) {
                                                        newReplies.add(reply.getId());
+                                                       coreListenerManager.fireNewReplyFound(reply);
                                                }
                                                replies.put(reply.getId(), reply);
                                        }
@@ -750,10 +838,25 @@ public class Core implements IdentityListener {
                                storedSone.setTime(sone.getTime());
                                storedSone.setClient(sone.getClient());
                                storedSone.setProfile(sone.getProfile());
-                               storedSone.setPosts(sone.getPosts());
-                               storedSone.setReplies(sone.getReplies());
-                               storedSone.setLikePostIds(sone.getLikedPostIds());
-                               storedSone.setLikeReplyIds(sone.getLikedReplyIds());
+                               if (soneRescueMode) {
+                                       for (Post post : sone.getPosts()) {
+                                               storedSone.addPost(post);
+                                       }
+                                       for (Reply reply : sone.getReplies()) {
+                                               storedSone.addReply(reply);
+                                       }
+                                       for (String likedPostId : sone.getLikedPostIds()) {
+                                               storedSone.addLikedPostId(likedPostId);
+                                       }
+                                       for (String likedReplyId : sone.getLikedReplyIds()) {
+                                               storedSone.addLikedReplyId(likedReplyId);
+                                       }
+                               } else {
+                                       storedSone.setPosts(sone.getPosts());
+                                       storedSone.setReplies(sone.getReplies());
+                                       storedSone.setLikePostIds(sone.getLikedPostIds());
+                                       storedSone.setLikeReplyIds(sone.getLikedReplyIds());
+                               }
                                storedSone.setLatestEdition(sone.getRequestUri().getEdition());
                        }
                }
@@ -1132,6 +1235,7 @@ public class Core implements IdentityListener {
                        }
                }
                saveConfiguration();
+               stopped = true;
        }
 
        //
@@ -1152,6 +1256,7 @@ public class Core implements IdentityListener {
                        }
 
                }));
+               options.addBooleanOption("SoneRescueMode", new DefaultOption<Boolean>(false));
                options.addBooleanOption("ClearOnNextRestart", new DefaultOption<Boolean>(false));
                options.addBooleanOption("ReallyClearOnNextRestart", new DefaultOption<Boolean>(false));
 
@@ -1167,6 +1272,7 @@ public class Core implements IdentityListener {
                }
 
                options.getIntegerOption("InsertionDelay").set(configuration.getIntValue("Option/InsertionDelay").getValue(null));
+               options.getBooleanOption("SoneRescueMode").set(configuration.getBooleanValue("Option/SoneRescueMode").getValue(null));
 
                /* load known Sones. */
                int soneCounter = 0;
@@ -1213,6 +1319,7 @@ public class Core implements IdentityListener {
                /* store the options first. */
                try {
                        configuration.getIntValue("Option/InsertionDelay").setValue(options.getIntegerOption("InsertionDelay").getReal());
+                       configuration.getBooleanValue("Option/SoneRescueMode").setValue(options.getBooleanOption("SoneRescueMode").getReal());
                        configuration.getBooleanValue("Option/ClearOnNextRestart").setValue(options.getBooleanOption("ClearOnNextRestart").getReal());
                        configuration.getBooleanValue("Option/ReallyClearOnNextRestart").setValue(options.getBooleanOption("ReallyClearOnNextRestart").getReal());