Merge "RCFilters: Only register watchlist filter group when user is logged in"
[lhc/web/wiklou.git] / includes / specials / SpecialRecentchanges.php
index e143509..a47d91b 100644 (file)
@@ -31,9 +31,104 @@ use Wikimedia\Rdbms\FakeResultWrapper;
  * @ingroup SpecialPage
  */
 class SpecialRecentChanges extends ChangesListSpecialPage {
+
+       private $watchlistFilterGroupDefinition;
+
        // @codingStandardsIgnoreStart Needed "useless" override to change parameters.
        public function __construct( $name = 'Recentchanges', $restriction = '' ) {
                parent::__construct( $name, $restriction );
+
+               $this->watchlistFilterGroupDefinition = [
+                       'name' => 'watchlist',
+                       'title' => 'rcfilters-filtergroup-watchlist',
+                       'class' => ChangesListStringOptionsFilterGroup::class,
+                       'priority' => -9,
+                       'isFullCoverage' => true,
+                       'filters' => [
+                               [
+                                       'name' => 'watched',
+                                       'label' => 'rcfilters-filter-watchlist-watched-label',
+                                       'description' => 'rcfilters-filter-watchlist-watched-description',
+                                       'cssClassSuffix' => 'watched',
+                                       'isRowApplicableCallable' => function ( $ctx, $rc ) {
+                                               return $rc->getAttribute( 'wl_user' );
+                                       }
+                               ],
+                               [
+                                       'name' => 'watchednew',
+                                       'label' => 'rcfilters-filter-watchlist-watchednew-label',
+                                       'description' => 'rcfilters-filter-watchlist-watchednew-description',
+                                       'cssClassSuffix' => 'watchednew',
+                                       'isRowApplicableCallable' => function ( $ctx, $rc ) {
+                                               return $rc->getAttribute( 'wl_user' ) &&
+                                                       $rc->getAttribute( 'rc_timestamp' ) &&
+                                                       $rc->getAttribute( 'wl_notificationtimestamp' ) &&
+                                                       $rc->getAttribute( 'rc_timestamp' ) >= $rc->getAttribute( 'wl_notificationtimestamp' );
+                                       },
+                               ],
+                               [
+                                       'name' => 'notwatched',
+                                       'label' => 'rcfilters-filter-watchlist-notwatched-label',
+                                       'description' => 'rcfilters-filter-watchlist-notwatched-description',
+                                       'cssClassSuffix' => 'notwatched',
+                                       'isRowApplicableCallable' => function ( $ctx, $rc ) {
+                                               return $rc->getAttribute( 'wl_user' ) === null;
+                                       },
+                               ]
+                       ],
+                       'default' => ChangesListStringOptionsFilterGroup::NONE,
+                       'queryCallable' => function ( $specialPageClassName, $context, $dbr,
+                               &$tables, &$fields, &$conds, &$query_options, &$join_conds, $selectedValues ) {
+                               sort( $selectedValues );
+                               $notwatchedCond = 'wl_user IS NULL';
+                               $watchedCond = 'wl_user IS NOT NULL';
+                               $newCond = 'rc_timestamp >= wl_notificationtimestamp';
+
+                               if ( $selectedValues === [ 'notwatched' ] ) {
+                                       $conds[] = $notwatchedCond;
+                                       return;
+                               }
+
+                               if ( $selectedValues === [ 'watched' ] ) {
+                                       $conds[] = $watchedCond;
+                                       return;
+                               }
+
+                               if ( $selectedValues === [ 'watchednew' ] ) {
+                                       $conds[] = $dbr->makeList( [
+                                               $watchedCond,
+                                               $newCond
+                                       ], LIST_AND );
+                                       return;
+                               }
+
+                               if ( $selectedValues === [ 'notwatched', 'watched' ] ) {
+                                       // no filters
+                                       return;
+                               }
+
+                               if ( $selectedValues === [ 'notwatched', 'watchednew' ] ) {
+                                       $conds[] = $dbr->makeList( [
+                                               $notwatchedCond,
+                                               $dbr->makeList( [
+                                                       $watchedCond,
+                                                       $newCond
+                                               ], LIST_AND )
+                                       ], LIST_OR );
+                                       return;
+                               }
+
+                               if ( $selectedValues === [ 'watched', 'watchednew' ] ) {
+                                       $conds[] = $watchedCond;
+                                       return;
+                               }
+
+                               if ( $selectedValues === [ 'notwatched', 'watched', 'watchednew' ] ) {
+                                       // no filters
+                                       return;
+                               }
+                       }
+               ];
        }
        // @codingStandardsIgnoreEnd
 
@@ -103,6 +198,18 @@ class SpecialRecentChanges extends ChangesListSpecialPage {
        protected function registerFilters() {
                parent::registerFilters();
 
+               if (
+                       !$this->including() &&
+                       $this->getUser()->isLoggedIn() &&
+                       $this->getUser()->isAllowed( 'viewmywatchlist' )
+               ) {
+                       $this->registerFiltersFromDefinitions( [ $this->watchlistFilterGroupDefinition ] );
+                       $watchlistGroup = $this->getFilterGroup( 'watchlist' );
+                       $watchlistGroup->getFilter( 'watched' )->setAsSupersetOf(
+                               $watchlistGroup->getFilter( 'watchednew' )
+                       );
+               }
+
                $user = $this->getUser();
 
                $significance = $this->getFilterGroup( 'significance' );
@@ -236,7 +343,7 @@ class SpecialRecentChanges extends ChangesListSpecialPage {
                $fields = array_merge( RecentChange::selectFields(), $fields );
 
                // JOIN on watchlist for users
-               if ( $user->getId() && $user->isAllowed( 'viewmywatchlist' ) ) {
+               if ( $user->isLoggedIn() && $user->isAllowed( 'viewmywatchlist' ) ) {
                        $tables[] = 'watchlist';
                        $fields[] = 'wl_user';
                        $fields[] = 'wl_notificationtimestamp';