* Moved author count check to new Title::countAuthorsBetween() function

[lhc/web/wiklou.git] / includes / Title.php

diff --git a/includes/Title.php b/includes/Title.php
index 2eef75b..da282fd 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -3714,6 +3714,29 @@ class Title {
                );
        }
 
+       /**
+        * Get the number of authors between the given revision IDs.
+        * Used for diffs and other things that really need it.
+        *
+        * @param $fromRevId \type{\int} Revision ID (first before range)
+        * @param $toRevId \type{\int} Revision ID (first after range)
+        * @param $limit \type{\int} Maximum number of authors
+        * @param $flags \type{\int} Title::GAID_FOR_UPDATE
+        * @return \type{\int}
+        */
+       public function countAuthorsBetween( $fromRevId, $toRevId, $limit, $flags = 0 ) {
+               $db = ( $flags & self::GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
+               $res = $db->select( 'revision', 'DISTINCT rev_user_text',
+                       array(
+                               'rev_page = ' . $this->getArticleID(),
+                               'rev_id > ' . (int)$fromRevId,
+                               'rev_id < ' . (int)$toRevId
+                       ), __METHOD__,
+                       array( 'LIMIT' => $limit )
+               );
+               return (int)$db->numRows( $res );
+       }
+
        /**
         * Compare with another title.
         *