From fbc4cd017e9453094a63f92a87951caa31d8de71 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 21:30:31 +0100
Subject: [PATCH] Mark new posts as new.

---
 .../java/net/pterodactylus/sone/core/Core.java     | 60 +++++++++++++++++++++-
 .../pterodactylus/sone/template/PostAccessor.java  |  2 +
 src/main/resources/static/css/sone.css             |  5 ++
 src/main/resources/templates/include/viewPost.html |  2 +-
 4 files changed, 66 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 f8f8948..841f560 100644
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -113,6 +113,13 @@ public class Core implements IdentityListener {
 	/* synchronize access on {@link #newSones}. */
 	private Set<String> knownSones = new HashSet<String>();
 
+	/** All new posts. */
+	private Set<String> newPosts = new HashSet<String>();
+
+	/** All known posts. */
+	/* synchronize access on {@link #newPosts}. */
+	private Set<String> knownPosts = new HashSet<String>();
+
 	/** All posts. */
 	private Map<String, Post> posts = new HashMap<String, Post>();
 
@@ -405,6 +412,23 @@ public class Core implements IdentityListener {
 	}
 
 	/**
+	 * Returns whether the given post ID is new. After this method returns it is
+	 * marked a known post ID.
+	 *
+	 * @param postId
+	 *            The post ID
+	 * @return {@code true} if the post is considered to be new, {@code false}
+	 *         otherwise
+	 */
+	public boolean isNewPost(String postId) {
+		synchronized (newPosts) {
+			boolean isNew = !knownPosts.contains(postId) && newPosts.remove(postId);
+			knownPosts.add(postId);
+			return isNew;
+		}
+	}
+
+	/**
 	 * Returns the reply with the given ID.
 	 *
 	 * @param replyId
@@ -617,8 +641,13 @@ public class Core implements IdentityListener {
 				for (Post post : storedSone.getPosts()) {
 					posts.remove(post.getId());
 				}
-				for (Post post : sone.getPosts()) {
-					posts.put(post.getId(), post);
+				synchronized (newPosts) {
+					for (Post post : sone.getPosts()) {
+						if (!storedSone.getPosts().contains(post) && !knownSones.contains(post.getId())) {
+							newPosts.add(post.getId());
+						}
+						posts.put(post.getId(), post);
+					}
 				}
 			}
 			synchronized (replies) {
@@ -784,6 +813,11 @@ public class Core implements IdentityListener {
 				knownSones.add(friend);
 			}
 		}
+		synchronized (newPosts) {
+			for (Post post : posts) {
+				knownPosts.add(post.getId());
+			}
+		}
 	}
 
 	/**
@@ -1043,6 +1077,19 @@ public class Core implements IdentityListener {
 				knownSones.add(knownSoneId);
 			}
 		}
+
+		/* load known posts. */
+		int postCounter = 0;
+		while (true) {
+			String knownPostId = configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").getValue(null);
+			if (knownPostId == null) {
+				break;
+			}
+			synchronized (newPosts) {
+				knownPosts.add(knownPostId);
+			}
+		}
+
 	}
 
 	/**
@@ -1064,6 +1111,15 @@ public class Core implements IdentityListener {
 				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);
+			}
+
 		} catch (ConfigurationException ce1) {
 			logger.log(Level.SEVERE, "Could not store configuration!", ce1);
 		}
diff --git a/src/main/java/net/pterodactylus/sone/template/PostAccessor.java b/src/main/java/net/pterodactylus/sone/template/PostAccessor.java
index 2c0b59e..574eb1c 100644
--- a/src/main/java/net/pterodactylus/sone/template/PostAccessor.java
+++ b/src/main/java/net/pterodactylus/sone/template/PostAccessor.java
@@ -60,6 +60,8 @@ public class PostAccessor extends ReflectionAccessor {
 		} else if (member.equals("liked")) {
 			Sone currentSone = (Sone) dataProvider.getData("currentSone");
 			return (currentSone != null) && (currentSone.isLikedPostId(post.getId()));
+		} else if (member.equals("new")) {
+			return core.isNewPost(post.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 c23047e..7682859 100644
--- a/src/main/resources/static/css/sone.css
+++ b/src/main/resources/static/css/sone.css
@@ -127,6 +127,11 @@ textarea {
 	clear: both;
 }
 
+#sone .post.new {
+	background-color: #ffffa0;
+	padding-left: 1ex;
+}
+
 #sone .post.last {
 	padding: 1ex 0px;
 	border-bottom: none;
diff --git a/src/main/resources/templates/include/viewPost.html b/src/main/resources/templates/include/viewPost.html
index 58b0786..f3d4696 100644
--- a/src/main/resources/templates/include/viewPost.html
+++ b/src/main/resources/templates/include/viewPost.html
@@ -1,4 +1,4 @@
-<div id="<% post.id|html>" class="post<%if loop.last> last<%/if>">
+<div id="<% post.id|html>" class="post<%if loop.last> last<%/if><%if post.new> new<%/if>">
 	<div class="avatar">
 		<img src="/WoT/GetIdenticon?identity=<% post.sone.id|html>&amp;width=48&height=48" width="48" height="48" alt="Avatar Image" />
 	</div>
-- 
2.7.4