From 11aeff6016e8ee586c85913d315c0a5cb0c9fe09 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Wed, 14 May 2008 11:10:54 +0000
Subject: - Patch #145242 by douggreen et al: refactor node_rank to modules can
 add scoring factors.

---
 modules/comment/comment.module | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'modules/comment/comment.module')

diff --git a/modules/comment/comment.module b/modules/comment/comment.module
index ead3cc906..88794bd5d 100644
--- a/modules/comment/comment.module
+++ b/modules/comment/comment.module
@@ -1970,3 +1970,18 @@ function comment_unpublish_by_keyword_action($comment, $context) {
     }
   }
 }
+
+/**
+ * Implementation of hook_ranking().
+ */
+function comment_ranking() {
+  return array(
+    'comments' => array(
+      'title' => t('Number of comments'),
+      'join' => 'LEFT JOIN {node_comment_statistics} node_comment_statistics ON node_comment_statistics.nid = i.sid',
+      // Inverse law that maps the highest reply count on the site to 1 and 0 to 0.
+      'score' => '2.0 - 2.0 / (1.0 + node_comment_statistics.comment_count * %f)',
+      'arguments' => array(variable_get('node_cron_comments_scale', 0)),
+    ),
+  );
+}
-- 
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