From 91b5acd80fbb818e8b51c20c43660401aad35d3f Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Fri, 6 May 2011 15:27:37 +0200
Subject: [PATCH] Add method to check the visibility of a reply.

---
 .../sone/notify/ListNotificationFilters.java       | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/src/main/java/net/pterodactylus/sone/notify/ListNotificationFilters.java b/src/main/java/net/pterodactylus/sone/notify/ListNotificationFilters.java
index 58afc17..bc27173 100644
--- a/src/main/java/net/pterodactylus/sone/notify/ListNotificationFilters.java
+++ b/src/main/java/net/pterodactylus/sone/notify/ListNotificationFilters.java
@@ -213,6 +213,50 @@ public class ListNotificationFilters {
 		if ((!postSone.equals(sone)) && !sone.hasFriend(postSone.getId()) && !sone.equals(post.getRecipient())) {
 			return false;
 		}
+		if (post.getTime() > System.currentTimeMillis()) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * Checks whether a reply is visible to the given Sone. A reply is not
+	 * considered visible if one of the following statements is true:
+	 * <ul>
+	 * <li>The reply does not have a post.</li>
+	 * <li>The reply’s post does not have a Sone.</li>
+	 * <li>The Sone of the reply’s post is not the given Sone, the given Sone
+	 * does not follow the reply’s post’s Sone, and the given Sone is not the
+	 * recipient of the reply’s post.</li>
+	 * <li>The trust relationship between the two Sones can not be retrieved.</li>
+	 * <li>The given Sone has explicitely assigned negative trust to the post’s
+	 * Sone.</li>
+	 * <li>The given Sone has not explicitely assigned negative trust to the
+	 * reply’s post’s Sone but the implicit trust is negative.</li>
+	 * <li>The reply’s post’s {@link Post#getTime() time} is in the future.</li>
+	 * <li>The reply’s {@link Reply#getTime() time} is in the future.</li>
+	 * </ul>
+	 * If none of these statements is true the reply is considered visible.
+	 *
+	 * @param sone
+	 *            The Sone that checks for a post’s visibility
+	 * @param reply
+	 *            The reply to check for visibility
+	 * @return {@code true} if the reply is considered visible, {@code false}
+	 *         otherwise
+	 */
+	public static boolean isReplyVisible(Sone sone, Reply reply) {
+		Validation.begin().isNotNull("Sone", sone).isNotNull("Reply", reply).check().isNotNull("Sone’s Identity", sone.getIdentity()).check().isInstanceOf("Sone’s Identity", sone.getIdentity(), OwnIdentity.class).check();
+		Post post = reply.getPost();
+		if (post == null) {
+			return false;
+		}
+		if (!isPostVisible(sone, post)) {
+			return false;
+		}
+		if (reply.getTime() > System.currentTimeMillis()) {
+			return false;
+		}
 		return true;
 	}
 
-- 
2.7.4