Merge "Mark protected IndexPager properties also as protected in subclasses"
[lhc/web/wiklou.git] / includes / specials / pagers / ContribsPager.php
index 780f483..ca13f3d 100644 (file)
@@ -30,27 +30,79 @@ use Wikimedia\Rdbms\IDatabase;
 
 class ContribsPager extends RangeChronologicalPager {
 
-       public $mDefaultDirection = IndexPager::DIR_DESCENDING;
-       public $messages;
-       public $target;
-       public $namespace = '';
-       public $mDb;
-       public $preventClickjacking = false;
+       /**
+        * @var string[] Local cache for escaped messages
+        */
+       private $messages;
+
+       /**
+        * @var string User name, or a string describing an IP address range
+        */
+       private $target;
+
+       /**
+        * @var string Set to "newbie" to list contributions from the most recent 1% registered users.
+        *  $this->target is ignored then. Defaults to "users".
+        */
+       private $contribs;
+
+       /**
+        * @var string|int A single namespace number, or an empty string for all namespaces
+        */
+       private $namespace = '';
+
+       /**
+        * @var string|false Name of tag to filter, or false to ignore tags
+        */
+       private $tagFilter;
+
+       /**
+        * @var bool Set to true to invert the namespace selection
+        */
+       private $nsInvert;
+
+       /**
+        * @var bool Set to true to show both the subject and talk namespace, no matter which got
+        *  selected
+        */
+       private $associated;
+
+       /**
+        * @var bool Set to true to show only deleted revisions
+        */
+       private $deletedOnly;
+
+       /**
+        * @var bool Set to true to show only latest (a.k.a. current) revisions
+        */
+       private $topOnly;
+
+       /**
+        * @var bool Set to true to show only new pages
+        */
+       private $newOnly;
+
+       /**
+        * @var bool Set to true to hide edits marked as minor by the user
+        */
+       private $hideMinor;
+
+       private $preventClickjacking = false;
 
        /** @var IDatabase */
-       public $mDbSecondary;
+       private $mDbSecondary;
 
        /**
         * @var array
         */
-       protected $mParentLens;
+       private $mParentLens;
 
        /**
         * @var TemplateParser
         */
-       protected $templateParser;
+       private $templateParser;
 
-       function __construct( IContextSource $context, array $options ) {
+       public function __construct( IContextSource $context, array $options ) {
                parent::__construct( $context );
 
                $msgs = [
@@ -87,10 +139,6 @@ class ContribsPager extends RangeChronologicalPager {
                }
                $this->getDateRangeCond( $startTimestamp, $endTimestamp );
 
-               // This property on IndexPager is set by $this->getIndexField() in parent::__construct().
-               // We need to reassign it here so that it is used when the actual query is ran.
-               $this->mIndexField = $this->getIndexField();
-
                // Most of this code will use the 'contributions' group DB, which can map to replica DBs
                // with extra user based indexes or partioning by user. The additional metadata
                // queries should use a regular replica DB since the lookup pattern is not all by user.
@@ -212,6 +260,22 @@ class ContribsPager extends RangeChronologicalPager {
                        $ipRangeConds = $user->isAnon() ? $this->getIpRangeConds( $this->mDb, $this->target ) : null;
                        if ( $ipRangeConds ) {
                                $queryInfo['tables'][] = 'ip_changes';
+                               /**
+                                * These aliases make `ORDER BY rev_timestamp, rev_id` from {@see getIndexField} and
+                                * {@see getExtraSortFields} use the replicated `ipc_rev_timestamp` and `ipc_rev_id`
+                                * columns from the `ip_changes` table, for more efficient queries.
+                                * @see https://phabricator.wikimedia.org/T200259#4832318
+                                */
+                               $queryInfo['fields'] = array_merge(
+                                       [
+                                               'rev_timestamp' => 'ipc_rev_timestamp',
+                                               'rev_id' => 'ipc_rev_id',
+                                       ],
+                                       array_diff( $queryInfo['fields'], [
+                                               'rev_timestamp',
+                                               'rev_id',
+                                       ] )
+                               );
                                $queryInfo['join_conds']['ip_changes'] = [
                                        'LEFT JOIN', [ 'ipc_rev_id = rev_id' ]
                                ];
@@ -350,17 +414,19 @@ class ContribsPager extends RangeChronologicalPager {
        }
 
        /**
-        * Override of getIndexField() in IndexPager.
-        * For IP ranges, it's faster to use the replicated ipc_rev_timestamp
-        * on the `ip_changes` table than the rev_timestamp on the `revision` table.
-        * @return string Name of field
+        * @return string
         */
        public function getIndexField() {
-               if ( $this->isQueryableRange( $this->target ) ) {
-                       return 'ipc_rev_timestamp';
-               } else {
-                       return 'rev_timestamp';
-               }
+               // Note this is run via parent::__construct() *before* $this->target is set!
+               return 'rev_timestamp';
+       }
+
+       /**
+        * @return string[]
+        */
+       protected function getExtraSortFields() {
+               // Note this is run via parent::__construct() *before* $this->target is set!
+               return [ 'rev_id' ];
        }
 
        protected function doBatchLookups() {
@@ -415,9 +481,10 @@ class ContribsPager extends RangeChronologicalPager {
         * id then null is returned.
         *
         * @param object $row
+        * @param Title|null $title
         * @return Revision|null
         */
-       public function tryToCreateValidRevision( $row ) {
+       public function tryToCreateValidRevision( $row, $title = null ) {
                /*
                 * There may be more than just revision rows. To make sure that we'll only be processing
                 * revisions here, let's _try_ to build a revision out of our row (without displaying
@@ -427,7 +494,7 @@ class ContribsPager extends RangeChronologicalPager {
                 */
                Wikimedia\suppressWarnings();
                try {
-                       $rev = new Revision( $row );
+                       $rev = new Revision( $row, 0, $title );
                        $validRevision = (bool)$rev->getId();
                } catch ( Exception $e ) {
                        $validRevision = false;
@@ -455,11 +522,16 @@ class ContribsPager extends RangeChronologicalPager {
 
                $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
 
-               $rev = $this->tryToCreateValidRevision( $row );
+               $page = null;
+               // Create a title for the revision if possible
+               // Rows from the hook may not include title information
+               if ( isset( $row->page_namespace ) && isset( $row->page_title ) ) {
+                       $page = Title::newFromRow( $row );
+               }
+               $rev = $this->tryToCreateValidRevision( $row, $page );
                if ( $rev ) {
                        $attribs['data-mw-revid'] = $rev->getId();
 
-                       $page = Title::newFromRow( $row );
                        $link = $linkRenderer->makeLink(
                                $page,
                                $page->getPrefixedText(),
@@ -525,7 +597,7 @@ class ContribsPager extends RangeChronologicalPager {
                        }
 
                        $lang = $this->getLanguage();
-                       $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true );
+                       $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true, false );
                        $date = $lang->userTimeAndDate( $row->rev_timestamp, $user );
                        if ( $rev->userCan( Revision::DELETED_TEXT, $user ) ) {
                                $d = $linkRenderer->makeKnownLink(
@@ -568,10 +640,17 @@ class ContribsPager extends RangeChronologicalPager {
                                $del .= ' ';
                        }
 
-                       $diffHistLinks = Html::rawElement( 'ul',
-                               [ 'class' => 'mw-changeslist-link-list' ],
-                               Html::rawElement( 'li', [], $difftext ) .
-                               Html::rawElement( 'li', [], $histlink )
+                       // While it might be tempting to use a list here
+                       // this would result in clutter and slows down navigating the content
+                       // in assistive technology.
+                       // See https://phabricator.wikimedia.org/T205581#4734812
+                       $diffHistLinks = Html::rawElement( 'span',
+                               [ 'class' => 'mw-changeslist-links' ],
+                               // The spans are needed to ensure the dividing '|' elements are not
+                               // themselves styled as links.
+                               Html::rawElement( 'span', [], $difftext ) .
+                               ' ' . // Space needed for separating two words.
+                               Html::rawElement( 'span', [], $histlink )
                        );
 
                        # Tags, if any.