Merge "Avoid page_touched update for HTTP GET action=purge requests"
[lhc/web/wiklou.git] / includes / page / Article.php
index 6396aaa..80061d5 100644 (file)
@@ -99,9 +99,7 @@ class Article implements Page {
         */
        public static function newFromID( $id ) {
                $t = Title::newFromID( $id );
-               # @todo FIXME: Doesn't inherit right
-               return $t == null ? null : new self( $t );
-               # return $t == null ? null : new static( $t ); // PHP 5.3
+               return $t == null ? null : new static( $t );
        }
 
        /**
@@ -149,6 +147,15 @@ class Article implements Page {
                return $article;
        }
 
+       /**
+        * Get the page this view was redirected from
+        * @return Title|null
+        * @since 1.28
+        */
+       public function getRedirectedFrom() {
+               return $this->mRedirectedFrom;
+       }
+
        /**
         * Tell the page view functions that this view was redirected
         * from another page on the wiki.
@@ -467,7 +474,7 @@ class Article implements Page {
         * page of the given title.
         */
        public function view() {
-               global $wgUseFileCache, $wgDebugToolbar, $wgMaxRedirects;
+               global $wgUseFileCache, $wgDebugToolbar;
 
                # Get variables from query string
                # As side effect this will load the revision and update the title
@@ -520,36 +527,8 @@ class Article implements Page {
 
                # Try client and file cache
                if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage->checkTouched() ) {
-                       # Use the greatest of the page's timestamp or the timestamp of any
-                       # redirect in the chain (bug 67849)
-                       $timestamp = $this->mPage->getTouched();
-                       if ( isset( $this->mRedirectedFrom ) ) {
-                               $timestamp = max( $timestamp, $this->mRedirectedFrom->getTouched() );
-
-                               # If there can be more than one redirect in the chain, we have
-                               # to go through the whole chain too in case an intermediate
-                               # redirect was changed.
-                               if ( $wgMaxRedirects > 1 ) {
-                                       $titles = Revision::newFromTitle( $this->mRedirectedFrom )
-                                               ->getContent( Revision::FOR_THIS_USER, $user )
-                                               ->getRedirectChain();
-                                       $thisTitle = $this->getTitle();
-                                       foreach ( $titles as $title ) {
-                                               if ( Title::compare( $title, $thisTitle ) === 0 ) {
-                                                       break;
-                                               }
-                                               $timestamp = max( $timestamp, $title->getTouched() );
-                                       }
-                               }
-                       }
-
-                       # Is it client cached?
-                       if ( $outputPage->checkLastModified( $timestamp ) ) {
-                               wfDebug( __METHOD__ . ": done 304\n" );
-
-                               return;
-                       # Try file cache
-                       } elseif ( $wgUseFileCache && $this->tryFileCache() ) {
+                       # Try to stream the output from file cache
+                       if ( $wgUseFileCache && $this->tryFileCache() ) {
                                wfDebug( __METHOD__ . ": done file cache\n" );
                                # tell wgOut that output is taken care of
                                $outputPage->disable();
@@ -1087,7 +1066,7 @@ class Article implements Page {
                        return false;
                }
 
-               $dbr = wfGetDB( DB_SLAVE );
+               $dbr = wfGetDB( DB_REPLICA );
                $oldestRevisionTimestamp = $dbr->selectField(
                        'revision',
                        'MIN( rev_timestamp )',
@@ -1170,7 +1149,7 @@ class Article implements Page {
 
                if ( !$rc ) {
                        // Don't cache: This can be hit if the page gets accessed very fast after
-                       // its creation / latest upload or in case we have high slave lag. In case
+                       // its creation / latest upload or in case we have high replica DB lag. In case
                        // the revision is too old, we will already return above.
                        return false;
                }
@@ -1724,7 +1703,7 @@ class Article implements Page {
                        // This, as a side-effect, also makes sure that the following query isn't being run for
                        // pages with a larger history, unless the user has the 'bigdelete' right
                        // (and is about to delete this page).
-                       $dbr = wfGetDB( DB_SLAVE );
+                       $dbr = wfGetDB( DB_REPLICA );
                        $revisions = $edits = (int)$dbr->selectField(
                                'revision',
                                'COUNT(rev_page)',
@@ -2159,8 +2138,16 @@ class Article implements Page {
         * Call to WikiPage function for backwards compatibility.
         * @see WikiPage::doPurge
         */
-       public function doPurge() {
-               return $this->mPage->doPurge();
+       public function doPurge( $flags = WikiPage::PURGE_ALL ) {
+               return $this->mPage->doPurge( $flags );
+       }
+
+       /**
+        * Call to WikiPage function for backwards compatibility.
+        * @see WikiPage::getLastPurgeTimestamp
+        */
+       public function getLastPurgeTimestamp() {
+               return $this->mPage->getLastPurgeTimestamp();
        }
 
        /**