From 19ff2e20cd414bfa9e600ff01500c8aed44f8519 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Thu, 11 Nov 2010 21:41:18 +0100
Subject: [PATCH] Mark new replies.

---
 .../java/net/pterodactylus/sone/core/Core.java     | 60 +++++++++++++++++++++-
 .../pterodactylus/sone/template/ReplyAccessor.java |  2 +
 src/main/resources/static/css/sone.css             |  4 ++
 src/main/resources/templates/include/viewPost.html |  2 +-
 4 files changed, 65 insertions(+), 3 deletions(-)

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index 37d1741..895f45e 100644
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -126,6 +126,12 @@ public class Core implements IdentityListener {
 	/** All replies. */
 	private Map<String, Reply> replies = new HashMap<String, Reply>();
 
+	/** All new replies. */
+	private Set<String> newReplies = new HashSet<String>();
+
+	/** All known replies. */
+	private Set<String> knownReplies = new HashSet<String>();
+
 	/**
 	 * Creates a new core.
 	 *
@@ -468,6 +474,22 @@ public class Core implements IdentityListener {
 	}
 
 	/**
+	 * Returns whether the reply with the given ID is new.
+	 *
+	 * @param replyId
+	 *            The ID of the reply to check
+	 * @return {@code true} if the reply is considered to be new, {@code false}
+	 *         otherwise
+	 */
+	public boolean isNewReply(String replyId) {
+		synchronized (newReplies) {
+			boolean isNew = !knownReplies.contains(replyId) && newReplies.remove(replyId);
+			knownReplies.add(replyId);
+			return isNew;
+		}
+	}
+
+	/**
 	 * Returns all Sones that have liked the given post.
 	 *
 	 * @param post
@@ -654,8 +676,13 @@ public class Core implements IdentityListener {
 				for (Reply reply : storedSone.getReplies()) {
 					replies.remove(reply.getId());
 				}
-				for (Reply reply : sone.getReplies()) {
-					replies.put(reply.getId(), reply);
+				synchronized (newReplies) {
+					for (Reply reply : sone.getReplies()) {
+						if (!storedSone.getReplies().contains(reply) && !knownSones.contains(reply.getId())) {
+							newReplies.add(reply.getId());
+						}
+						replies.put(reply.getId(), reply);
+					}
 				}
 			}
 			synchronized (storedSone) {
@@ -818,6 +845,11 @@ public class Core implements IdentityListener {
 				knownPosts.add(post.getId());
 			}
 		}
+		synchronized (newReplies) {
+			for (Reply reply : replies) {
+				knownReplies.add(reply.getId());
+			}
+		}
 	}
 
 	/**
@@ -993,6 +1025,9 @@ public class Core implements IdentityListener {
 		synchronized (replies) {
 			replies.put(reply.getId(), reply);
 		}
+		synchronized (newReplies) {
+			knownReplies.add(reply.getId());
+		}
 		sone.addReply(reply);
 		saveSone(sone);
 	}
@@ -1093,6 +1128,18 @@ public class Core implements IdentityListener {
 			}
 		}
 
+		/* load known replies. */
+		int replyCounter = 0;
+		while (true) {
+			String knownReplyId = configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").getValue(null);
+			if (knownReplyId == null) {
+				break;
+			}
+			synchronized (newReplies) {
+				knownReplies.add(knownReplyId);
+			}
+		}
+
 	}
 
 	/**
@@ -1123,6 +1170,15 @@ public class Core implements IdentityListener {
 				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);
 		}
diff --git a/src/main/java/net/pterodactylus/sone/template/ReplyAccessor.java b/src/main/java/net/pterodactylus/sone/template/ReplyAccessor.java
index 53c5448..08c91c7 100644
--- a/src/main/java/net/pterodactylus/sone/template/ReplyAccessor.java
+++ b/src/main/java/net/pterodactylus/sone/template/ReplyAccessor.java
@@ -56,6 +56,8 @@ public class ReplyAccessor extends ReflectionAccessor {
 		} else if (member.equals("liked")) {
 			Sone currentSone = (Sone) dataProvider.getData("currentSone");
 			return (currentSone != null) && (currentSone.isLikedReplyId(reply.getId()));
+		} else if (member.equals("new")) {
+			return core.isNewReply(reply.getId());
 		}
 		return super.get(dataProvider, object, member);
 	}
diff --git a/src/main/resources/static/css/sone.css b/src/main/resources/static/css/sone.css
index b05a1f1..9e33575 100644
--- a/src/main/resources/static/css/sone.css
+++ b/src/main/resources/static/css/sone.css
@@ -234,6 +234,10 @@ textarea {
 	padding: 1ex;
 }
 
+#sone .post .reply.new {
+	background-color: #ffffa0;
+}
+
 #sone .post .reply .time {
 	float: none;
 	display: inline;
diff --git a/src/main/resources/templates/include/viewPost.html b/src/main/resources/templates/include/viewPost.html
index f3d4696..ddb3dbd 100644
--- a/src/main/resources/templates/include/viewPost.html
+++ b/src/main/resources/templates/include/viewPost.html
@@ -37,7 +37,7 @@
 		</div>
 		<div class="replies">
 			<%foreach post.replies reply>
-				<div id="<% reply.id|html>" class="reply">
+				<div id="<% reply.id|html>" class="reply<%if reply.new> new<%/if>">
 					<div class="avatar">
 						<img src="/WoT/GetIdenticon?identity=<% reply.sone.id|html>&amp;width=36&height=36" width="36" height="36" alt="Avatar Image" />
 					</div>
-- 
2.7.4