Merge "StringUtils: Add a utility for checking if a string is a valid regex"

[lhc/web/wiklou.git] / includes / page / Article.php

diff --git a/includes/page/Article.php b/includes/page/Article.php
index 4bede96..6aeb038 100644 (file)
--- a/includes/page/Article.php
+++ b/includes/page/Article.php
@@ -363,8 +363,16 @@ class Article implements Page {
                        }
                }
 
+               $rl = MediaWikiServices::getInstance()->getRevisionLookup();
+               $oldRev = $this->mRevision ? $this->mRevision->getRevisionRecord() : null;
                if ( $request->getVal( 'direction' ) == 'next' ) {
-                       $nextid = $this->getTitle()->getNextRevisionID( $oldid );
+                       $nextid = 0;
+                       if ( $oldRev ) {
+                               $nextRev = $rl->getNextRevision( $oldRev );
+                               if ( $nextRev ) {
+                                       $nextid = $nextRev->getId();
+                               }
+                       }
                        if ( $nextid ) {
                                $oldid = $nextid;
                                $this->mRevision = null;
@@ -372,7 +380,13 @@ class Article implements Page {
                                $this->mRedirectUrl = $this->getTitle()->getFullURL( 'redirect=no' );
                        }
                } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
-                       $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
+                       $previd = 0;
+                       if ( $oldRev ) {
+                               $prevRev = $rl->getPreviousRevision( $oldRev );
+                               if ( $prevRev ) {
+                                       $previd = $prevRev->getId();
+                               }
+                       }
                        if ( $previd ) {
                                $oldid = $previd;
                                $this->mRevision = null;
@@ -1599,8 +1613,9 @@ class Article implements Page {
                                        'oldid' => $oldid
                                ] + $extraParams
                        );
-               $prev = $this->getTitle()->getPreviousRevisionID( $oldid );
-               $prevlink = $prev
+               $rl = MediaWikiServices::getInstance()->getRevisionLookup();
+               $prevExist = (bool)$rl->getPreviousRevision( $revision->getRevisionRecord() );
+               $prevlink = $prevExist
                        ? Linker::linkKnown(
                                $this->getTitle(),
                                $context->msg( 'previousrevision' )->escaped(),
@@ -1611,7 +1626,7 @@ class Article implements Page {
                                ] + $extraParams
                        )
                        : $context->msg( 'previousrevision' )->escaped();
-               $prevdiff = $prev
+               $prevdiff = $prevExist
                        ? Linker::linkKnown(
                                $this->getTitle(),
                                $context->msg( 'diff' )->escaped(),