Implement “like” button.
[Sone.git] / src / main / java / net / pterodactylus / sone / core / Core.java
index 0f733b6..a4b3569 100644 (file)
@@ -91,7 +91,7 @@ public class Core extends AbstractService {
        private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
 
        /** The Sones’ statuses. */
-       private final Map<Sone, SoneStatus> soneStatuses = new HashMap<Sone, SoneStatus>();
+       private final Map<Sone, SoneStatus> soneStatuses = Collections.synchronizedMap(new HashMap<Sone, SoneStatus>());
 
        /* various caches follow here. */
 
@@ -108,7 +108,7 @@ public class Core extends AbstractService {
         * Creates a new core.
         */
        public Core() {
-               super("Sone Core");
+               super("Sone Core", false);
        }
 
        //
@@ -522,6 +522,35 @@ public class Core extends AbstractService {
                return replies;
        }
 
+       /**
+        * Gets all Sones that like the given post.
+        *
+        * @param post
+        *            The post to check for
+        * @return All Sones that like the post
+        */
+       public Set<Sone> getLikes(final Post post) {
+               return Filters.filteredSet(getSones(), new Filter<Sone>() {
+
+                       @Override
+                       public boolean filterObject(Sone sone) {
+                               return sone.isLikedPostId(post.getId());
+                       }
+               });
+       }
+
+       /**
+        * Deletes the given reply. It is removed from its Sone and from the reply
+        * cache.
+        *
+        * @param reply
+        *            The reply to remove
+        */
+       public void deleteReply(Reply reply) {
+               reply.getSone().removeReply(reply);
+               replyCache.remove(reply.getId());
+       }
+
        //
        // SERVICE METHODS
        //
@@ -633,6 +662,17 @@ public class Core extends AbstractService {
                                        sone.addBlockedSoneId(blockedSoneId);
                                }
 
+                               /* load liked post IDs. */
+                               int likedPostIdCounter = 0;
+                               while (true) {
+                                       String likedPostIdPrefix = sonePrefix + "/LikedPostId." + likedPostIdCounter++;
+                                       String likedPostId = configuration.getStringValue(likedPostIdPrefix + "/ID").getValue(null);
+                                       if (likedPostId == null) {
+                                               break;
+                                       }
+                                       sone.addLikedPostId(likedPostId);
+                               }
+
                                sone.setModificationCounter(modificationCounter);
                                addLocalSone(sone);
                        } catch (MalformedURLException mue1) {
@@ -726,6 +766,14 @@ public class Core extends AbstractService {
                                }
                                configuration.getStringValue(sonePrefix + "/BlockedSone." + blockedSoneCounter + "/ID").setValue(null);
 
+                               /* write all liked posts. */
+                               int likedPostIdCounter = 0;
+                               for (String soneLikedPostId : sone.getLikedPostIds()) {
+                                       String likedPostIdPrefix = sonePrefix + "/LikedPostId." + likedPostIdCounter++;
+                                       configuration.getStringValue(likedPostIdPrefix + "/ID").setValue(soneLikedPostId);
+                               }
+                               configuration.getStringValue(sonePrefix + "/LikedPostId." + likedPostIdCounter + "/ID").setValue(null);
+
                        }
                        /* write null ID as terminator. */
                        configuration.getStringValue("Sone/Sone." + soneId + "/ID").setValue(null);