Add recipients to posts.
[Sone.git] / src / main / java / net / pterodactylus / sone / core / Core.java
index ccf2cd3..e1dcb9c 100644 (file)
@@ -84,7 +84,7 @@ public class Core implements IdentityListener {
        private final CoreListenerManager coreListenerManager = new CoreListenerManager(this);
 
        /** The configuration. */
-       private final Configuration configuration;
+       private Configuration configuration;
 
        /** The identity manager. */
        private final IdentityManager identityManager;
@@ -102,6 +102,10 @@ public class Core implements IdentityListener {
        /* 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>();
@@ -186,6 +190,18 @@ public class Core implements IdentityListener {
        //
 
        /**
+        * Sets the configuration to use. This will automatically save the current
+        * configuration to the given configuration.
+        *
+        * @param configuration
+        *            The new configuration to use
+        */
+       public void setConfiguration(Configuration configuration) {
+               this.configuration = configuration;
+               saveConfiguration();
+       }
+
+       /**
         * Returns the options used by the core.
         *
         * @return The options of the core
@@ -241,6 +257,19 @@ 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
@@ -478,9 +507,23 @@ public class Core implements IdentityListener {
         * @return The post, or {@code null} if there is no such post
         */
        public Post getPost(String postId) {
+               return getPost(postId, true);
+       }
+
+       /**
+        * Returns the post with the given ID, optionally creating a new post.
+        *
+        * @param postId
+        *            The ID of the post to get
+        * @param create
+        *            {@code true} it create a new post if no post with the given ID
+        *            exists, {@code false} to return {@code null}
+        * @return The post, or {@code null} if there is no such post
+        */
+       public Post getPost(String postId, boolean create) {
                synchronized (posts) {
                        Post post = posts.get(postId);
-                       if (post == null) {
+                       if ((post == null) && create) {
                                post = new Post(postId);
                                posts.put(postId, post);
                        }
@@ -498,27 +541,64 @@ public class Core implements IdentityListener {
         *         otherwise
         */
        public boolean isNewPost(String postId) {
+               return isNewPost(postId, true);
+       }
+
+       /**
+        * Returns whether the given post ID is new. If {@code markAsKnown} is
+        * {@code true} then after this method returns the post ID is marked a known
+        * post ID.
+        *
+        * @param postId
+        *            The post ID
+        * @param markAsKnown
+        *            {@code true} to mark the post ID as known, {@code false} to
+        *            not to mark it as known
+        * @return {@code true} if the post is considered to be new, {@code false}
+        *         otherwise
+        */
+       public boolean isNewPost(String postId, boolean markAsKnown) {
                synchronized (newPosts) {
-                       boolean isNew = !knownPosts.contains(postId) && newPosts.remove(postId);
-                       knownPosts.add(postId);
-                       if (isNew) {
-                               coreListenerManager.fireMarkPostKnown(getPost(postId));
+                       boolean isNew = !knownPosts.contains(postId) && newPosts.contains(postId);
+                       if (markAsKnown) {
+                               newPosts.remove(postId);
+                               knownPosts.add(postId);
+                               if (isNew) {
+                                       coreListenerManager.fireMarkPostKnown(getPost(postId));
+                               }
                        }
                        return isNew;
                }
        }
 
        /**
-        * Returns the reply with the given ID.
+        * Returns the reply with the given ID. If there is no reply with the given
+        * ID yet, a new one is created.
         *
         * @param replyId
         *            The ID of the reply to get
-        * @return The reply, or {@code null} if there is no such reply
+        * @return The reply
         */
        public Reply getReply(String replyId) {
+               return getReply(replyId, true);
+       }
+
+       /**
+        * Returns the reply with the given ID. If there is no reply with the given
+        * ID yet, a new one is created, unless {@code create} is false in which
+        * case {@code null} is returned.
+        *
+        * @param replyId
+        *            The ID of the reply to get
+        * @param create
+        *            {@code true} to always return a {@link Reply}, {@code false}
+        *            to return {@code null} if no reply can be found
+        * @return The reply, or {@code null} if there is no such reply
+        */
+       public Reply getReply(String replyId, boolean create) {
                synchronized (replies) {
                        Reply reply = replies.get(replyId);
-                       if (reply == null) {
+                       if (create && (reply == null)) {
                                reply = new Reply(replyId);
                                replies.put(replyId, reply);
                        }
@@ -556,11 +636,29 @@ public class Core implements IdentityListener {
         *         otherwise
         */
        public boolean isNewReply(String replyId) {
+               return isNewReply(replyId, true);
+       }
+
+       /**
+        * Returns whether the reply with the given ID is new.
+        *
+        * @param replyId
+        *            The ID of the reply to check
+        * @param markAsKnown
+        *            {@code true} to mark the reply as known, {@code false} to not
+        *            to mark it as known
+        * @return {@code true} if the reply is considered to be new, {@code false}
+        *         otherwise
+        */
+       public boolean isNewReply(String replyId, boolean markAsKnown) {
                synchronized (newReplies) {
-                       boolean isNew = !knownReplies.contains(replyId) && newReplies.remove(replyId);
-                       knownReplies.add(replyId);
-                       if (isNew) {
-                               coreListenerManager.fireMarkReplyKnown(getReply(replyId));
+                       boolean isNew = !knownReplies.contains(replyId) && newReplies.contains(replyId);
+                       if (markAsKnown) {
+                               newReplies.remove(replyId);
+                               knownReplies.add(replyId);
+                               if (isNew) {
+                                       coreListenerManager.fireMarkReplyKnown(getReply(replyId));
+                               }
                        }
                        return isNew;
                }
@@ -605,6 +703,33 @@ 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.
         *
@@ -651,17 +776,35 @@ 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…");
+                                       saveSone(sone);
+                                       coreListenerManager.fireRescuedSone(sone);
+                                       soneInserter.start();
                                }
 
                        }, "Sone Downloader").start();
@@ -734,17 +877,21 @@ 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()) {
+                                               post.setSone(getSone(post.getSone().getId()));
                                                if (!storedSone.getPosts().contains(post) && !knownPosts.contains(post.getId())) {
                                                        newPosts.add(post.getId());
                                                        coreListenerManager.fireNewPostFound(post);
@@ -754,11 +901,14 @@ public class Core implements IdentityListener {
                                }
                        }
                        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()) {
+                                               reply.setSone(getSone(reply.getSone().getId()));
                                                if (!storedSone.getReplies().contains(reply) && !knownReplies.contains(reply.getId())) {
                                                        newReplies.add(reply.getId());
                                                        coreListenerManager.fireNewReplyFound(reply);
@@ -768,14 +918,31 @@ public class Core implements IdentityListener {
                                }
                        }
                        synchronized (storedSone) {
-                               storedSone.setTime(sone.getTime());
+                               if (!soneRescueMode || (sone.getTime() > storedSone.getTime())) {
+                                       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());
-                               storedSone.setLatestEdition(sone.getRequestUri().getEdition());
+                               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.getLatestEdition());
                        }
                }
        }
@@ -849,13 +1016,18 @@ public class Core implements IdentityListener {
                        if (postId == null) {
                                break;
                        }
+                       String postRecipientId = configuration.getStringValue(postPrefix + "/Recipient").getValue(null);
                        long postTime = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0);
                        String postText = configuration.getStringValue(postPrefix + "/Text").getValue(null);
                        if ((postTime == 0) || (postText == null)) {
                                logger.log(Level.WARNING, "Invalid post found, aborting load!");
                                return;
                        }
-                       posts.add(getPost(postId).setSone(sone).setTime(postTime).setText(postText));
+                       Post post = getPost(postId).setSone(sone).setTime(postTime).setText(postText);
+                       if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
+                               post.setRecipient(getSone(postRecipientId));
+                       }
+                       posts.add(post);
                }
 
                /* load replies. */
@@ -973,6 +1145,9 @@ public class Core implements IdentityListener {
                        for (Post post : sone.getPosts()) {
                                String postPrefix = sonePrefix + "/Posts/" + postCounter++;
                                configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
+                               if (post.getRecipient() != null) {
+                                       configuration.getStringValue(postPrefix + "/Recipient").setValue(post.getRecipient().getId());
+                               }
                                configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
                                configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
                        }
@@ -1023,9 +1198,10 @@ public class Core implements IdentityListener {
         *            The Sone that creates the post
         * @param text
         *            The text of the post
+        * @return The created post
         */
-       public void createPost(Sone sone, String text) {
-               createPost(sone, System.currentTimeMillis(), text);
+       public Post createPost(Sone sone, String text) {
+               return createPost(sone, System.currentTimeMillis(), text);
        }
 
        /**
@@ -1037,11 +1213,12 @@ public class Core implements IdentityListener {
         *            The time of the post
         * @param text
         *            The text of the post
+        * @return The created post
         */
-       public void createPost(Sone sone, long time, String text) {
+       public Post createPost(Sone sone, long time, String text) {
                if (!isLocalSone(sone)) {
                        logger.log(Level.FINE, "Tried to create post for non-local Sone: %s", sone);
-                       return;
+                       return null;
                }
                Post post = new Post(sone, time, text);
                synchronized (posts) {
@@ -1052,6 +1229,7 @@ public class Core implements IdentityListener {
                }
                sone.addPost(post);
                saveSone(sone);
+               return post;
        }
 
        /**
@@ -1073,6 +1251,22 @@ public class Core implements IdentityListener {
        }
 
        /**
+        * Marks the given post as known, if it is currently a new post (according
+        * to {@link #isNewPost(String)}).
+        *
+        * @param post
+        *            The post to mark as known
+        */
+       public void markPostKnown(Post post) {
+               synchronized (newPosts) {
+                       if (newPosts.remove(post.getId())) {
+                               knownPosts.add(post.getId());
+                               coreListenerManager.fireMarkPostKnown(post);
+                       }
+               }
+       }
+
+       /**
         * Creates a new reply.
         *
         * @param sone
@@ -1137,6 +1331,22 @@ public class Core implements IdentityListener {
        }
 
        /**
+        * Marks the given reply as known, if it is currently a new reply (according
+        * to {@link #isNewReply(String)}).
+        *
+        * @param reply
+        *            The reply to mark as known
+        */
+       public void markReplyKnown(Reply reply) {
+               synchronized (newReplies) {
+                       if (newReplies.remove(reply.getId())) {
+                               knownReplies.add(reply.getId());
+                               coreListenerManager.fireMarkReplyKnown(reply);
+                       }
+               }
+       }
+
+       /**
         * Starts the core.
         */
        public void start() {
@@ -1156,6 +1366,52 @@ public class Core implements IdentityListener {
                stopped = true;
        }
 
+       /**
+        * Saves the current options.
+        */
+       public void saveConfiguration() {
+               /* 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());
+
+                       /* save known Sones. */
+                       int soneCounter = 0;
+                       synchronized (newSones) {
+                               for (String knownSoneId : knownSones) {
+                                       configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId);
+                               }
+                               configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null);
+                       }
+
+                       /* save known posts. */
+                       int postCounter = 0;
+                       synchronized (newPosts) {
+                               for (String knownPostId : knownPosts) {
+                                       configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
+                               }
+                               configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null);
+                       }
+
+                       /* save known replies. */
+                       int replyCounter = 0;
+                       synchronized (newReplies) {
+                               for (String knownReplyId : knownReplies) {
+                                       configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
+                               }
+                               configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
+                       }
+
+                       /* now save it. */
+                       configuration.save();
+
+               } catch (ConfigurationException ce1) {
+                       logger.log(Level.SEVERE, "Could not store configuration!", ce1);
+               }
+       }
+
        //
        // PRIVATE METHODS
        //
@@ -1231,49 +1487,6 @@ public class Core implements IdentityListener {
        }
 
        /**
-        * Saves the current options.
-        */
-       private void saveConfiguration() {
-               /* 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());
-
-                       /* save known Sones. */
-                       int soneCounter = 0;
-                       synchronized (newSones) {
-                               for (String knownSoneId : knownSones) {
-                                       configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId);
-                               }
-                               configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null);
-                       }
-
-                       /* save known posts. */
-                       int postCounter = 0;
-                       synchronized (newPosts) {
-                               for (String knownPostId : knownPosts) {
-                                       configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
-                               }
-                               configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null);
-                       }
-
-                       /* save known replies. */
-                       int replyCounter = 0;
-                       synchronized (newReplies) {
-                               for (String knownReplyId : knownReplies) {
-                                       configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
-                               }
-                               configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
-                       }
-
-               } catch (ConfigurationException ce1) {
-                       logger.log(Level.SEVERE, "Could not store configuration!", ce1);
-               }
-       }
-
-       /**
         * Generate a Sone URI from the given URI and latest edition.
         *
         * @param uriString