Implement a “Sone rescue mode.”

[Sone.git] / src / main / java / net / pterodactylus / sone / core / Core.java

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index 67c16a6..5b1b9f6 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -95,6 +95,9 @@ 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>();
@@ -192,6 +195,16 @@ 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
@@ -638,17 +651,31 @@ 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…");
+                                       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…");
+                                       soneInserter.start();
                                }
 
                        }, "Sone Downloader").start();
@@ -721,14 +748,17 @@ 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()) {
@@ -741,8 +771,10 @@ 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()) {
@@ -758,10 +790,25 @@ 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());
                        }
                }
@@ -1140,6 +1187,7 @@ public class Core implements IdentityListener {
                        }
                }
                saveConfiguration();
+               stopped = true;
        }
 
        //
@@ -1160,6 +1208,7 @@ 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));
 
@@ -1175,6 +1224,7 @@ 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;
@@ -1221,6 +1271,7 @@ 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());