Merge "mediawiki.skinning: Remove obsolete #firstHeading selector"

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

diff --git a/includes/Title.php b/includes/Title.php
index 526bc92..7fdeb05 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -158,6 +158,9 @@ class Title {
 
        /** @var TitleValue A corresponding TitleValue object */
        private $mTitleValue = null;
+
+       /** @var bool Would deleting this page be a big deletion? */
+       private $mIsBigDeletion = null;
        // @}
 
        /**
@@ -941,10 +944,12 @@ class Title {
         * Get the page's content model id, see the CONTENT_MODEL_XXX constants.
         *
         * @throws MWException
+        * @param int $flags A bit field; may be Title::GAID_FOR_UPDATE to select for update
         * @return string Content model id
         */
-       public function getContentModel() {
-               if ( !$this->mContentModel ) {
+       public function getContentModel( $flags = 0 ) {
+               # Calling getArticleID() loads the field from cache as needed
+               if ( !$this->mContentModel && $this->getArticleID( $flags ) ) {
                        $linkCache = LinkCache::singleton();
                        $this->mContentModel = $linkCache->getGoodLinkFieldObj( $this, 'model' );
                }
@@ -2258,11 +2263,15 @@ class Title {
                                $errors[] = array( 'immobile-target-page' );
                        }
                } elseif ( $action == 'delete' ) {
-                       if ( count( $this->getUserPermissionsErrorsInternal( 'edit',
-                               $user, $doExpensiveQueries, true ) )
-                       ) {
-                               // If they can't edit, they shouldn't delete.
-                               $errors[] = array( 'delete-cantedit' );
+                       $tempErrors = $this->checkPageRestrictions( 'edit',
+                               $user, array(), $doExpensiveQueries, true );
+                       if ( !$tempErrors ) {
+                               $tempErrors = $this->checkCascadingSourcesRestrictions( 'edit',
+                                       $user, $tempErrors, $doExpensiveQueries, true );
+                       }
+                       if ( $tempErrors ) {
+                               // If protection keeps them from editing, they shouldn't be able to delete.
+                               $errors[] = array( 'deleteprotected' );
                        }
                        if ( $doExpensiveQueries && $wgDeleteRevisionsLimit
                                && !$this->userCan( 'bigdelete', $user ) && $this->isBigDeletion()
@@ -3271,6 +3280,7 @@ class Title {
                $this->mEstimateRevisions = null;
                $this->mPageLanguage = false;
                $this->mDbPageLanguage = null;
+               $this->mIsBigDeletion = null;
        }
 
        /**
@@ -3313,8 +3323,8 @@ class Title {
                        // @note: splitTitleString() is a temporary hack to allow MediaWikiTitleCodec to share
                        //        the parsing code with Title, while avoiding massive refactoring.
                        // @todo: get rid of secureAndSplit, refactor parsing code.
-                       $parser = self::getTitleParser();
-                       $parts = $parser->splitTitleString( $dbkey, $this->getDefaultNamespace() );
+                       $titleParser = self::getTitleParser();
+                       $parts = $titleParser->splitTitleString( $dbkey, $this->getDefaultNamespace() );
                } catch ( MalformedTitleException $ex ) {
                        return false;
                }
@@ -4377,12 +4387,32 @@ class Title {
                        return false;
                }
 
-               $revCount = $this->estimateRevisionCount();
-               return $revCount > $wgDeleteRevisionsLimit;
+               if ( $this->mIsBigDeletion === null ) {
+                       $dbr = wfGetDB( DB_SLAVE );
+
+                       $innerQuery = $dbr->selectSQLText(
+                               'revision',
+                               '1',
+                               array( 'rev_page' => $this->getArticleID() ),
+                               __METHOD__,
+                               array( 'LIMIT' => $wgDeleteRevisionsLimit + 1 )
+                       );
+
+                       $revCount = $dbr->query(
+                               'SELECT COUNT(*) FROM (' . $innerQuery . ') AS innerQuery',
+                               __METHOD__
+                       );
+                       $revCount = $revCount->fetchRow();
+                       $revCount = $revCount['COUNT(*)'];
+
+                       $this->mIsBigDeletion = $revCount > $wgDeleteRevisionsLimit;
+               }
+
+               return $this->mIsBigDeletion;
        }
 
        /**
-        * Get the  approximate revision count of this page.
+        * Get the approximate revision count of this page.
         *
         * @return int
         */