From ea61478af3186d881afae3b6d08efb29fbc2fe65 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Thu, 24 Jan 2013 07:43:14 +0100
Subject: [PATCH] Add filter for replies with posts.

---
 src/main/java/net/pterodactylus/sone/data/PostReply.java  | 15 +++++++++++++++
 .../pterodactylus/sone/web/ajax/GetStatusAjaxPage.java    |  8 +-------
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/main/java/net/pterodactylus/sone/data/PostReply.java b/src/main/java/net/pterodactylus/sone/data/PostReply.java
index 36921dd..1dc5f44 100644
--- a/src/main/java/net/pterodactylus/sone/data/PostReply.java
+++ b/src/main/java/net/pterodactylus/sone/data/PostReply.java
@@ -17,6 +17,9 @@
 
 package net.pterodactylus.sone.data;
 
+import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
+
 /**
  * A reply is like a {@link Post} but can never be posted on its own, it always
  * refers to another {@link Post}.
@@ -26,6 +29,18 @@ package net.pterodactylus.sone.data;
 public interface PostReply extends Reply<PostReply> {
 
 	/**
+	 * Filter that selects {@link PostReply}s that have a
+	 * {@link Optional#isPresent() present} {@link #getPost() post}.
+	 */
+	public static final Predicate<PostReply> HAS_POST_FILTER = new Predicate<PostReply>() {
+
+		@Override
+		public boolean apply(PostReply postReply) {
+			return postReply.getPost().isPresent();
+		}
+	};
+
+	/**
 	 * Returns the ID of the post this reply refers to.
 	 *
 	 * @return The ID of the post this reply refers to
diff --git a/src/main/java/net/pterodactylus/sone/web/ajax/GetStatusAjaxPage.java b/src/main/java/net/pterodactylus/sone/web/ajax/GetStatusAjaxPage.java
index e69aa12..6caa2fd 100644
--- a/src/main/java/net/pterodactylus/sone/web/ajax/GetStatusAjaxPage.java
+++ b/src/main/java/net/pterodactylus/sone/web/ajax/GetStatusAjaxPage.java
@@ -122,13 +122,7 @@ public class GetStatusAjaxPage extends JsonPage {
 			});
 		}
 		/* remove replies to unknown posts. */
-		newReplies = Collections2.filter(newReplies, new Predicate<PostReply>() {
-
-			@Override
-			public boolean apply(PostReply reply) {
-				return (reply.getPost() != null) && (reply.getPost().getSone() != null);
-			}
-		});
+		newReplies = Collections2.filter(newReplies, PostReply.HAS_POST_FILTER);
 		JsonArray jsonReplies = new JsonArray();
 		for (PostReply reply : newReplies) {
 			JsonObject jsonReply = new JsonObject();
-- 
2.7.4