WLFilters: new 'watchlist activity' filter group
[lhc/web/wiklou.git] / includes / specials / SpecialWatchlist.php
index 088bc1b..b20b331 100644 (file)
@@ -142,6 +142,47 @@ class SpecialWatchlist extends ChangesListSpecialPage {
        protected function registerFilters() {
                parent::registerFilters();
 
+               $this->registerFilterGroup( new ChangesListStringOptionsFilterGroup( [
+                       'name' => 'watchlistactivity',
+                       'title' => 'rcfilters-filtergroup-watchlistactivity',
+                       'class' => ChangesListStringOptionsFilterGroup::class,
+                       'priority' => 3,
+                       'isFullCoverage' => true,
+                       'filters' => [
+                               [
+                                       'name' => 'unseen',
+                                       'label' => 'rcfilters-filter-watchlistactivity-unseen-label',
+                                       'description' => 'rcfilters-filter-watchlistactivity-unseen-description',
+                                       'cssClassSuffix' => 'watchedunseen',
+                                       'isRowApplicableCallable' => function ( $ctx, $rc ) {
+                                               $changeTs = $rc->getAttribute( 'rc_timestamp' );
+                                               $lastVisitTs = $rc->getAttribute( 'wl_notificationtimestamp' );
+                                               return $changeTs >= $lastVisitTs;
+                                       },
+                               ],
+                               [
+                                       'name' => 'seen',
+                                       'label' => 'rcfilters-filter-watchlistactivity-seen-label',
+                                       'description' => 'rcfilters-filter-watchlistactivity-seen-description',
+                                       'cssClassSuffix' => 'watchedseen',
+                                       'isRowApplicableCallable' => function ( $ctx, $rc ) {
+                                               $changeTs = $rc->getAttribute( 'rc_timestamp' );
+                                               $lastVisitTs = $rc->getAttribute( 'wl_notificationtimestamp' );
+                                               return $changeTs < $lastVisitTs;
+                                       }
+                               ],
+                       ],
+                       'default' => ChangesListStringOptionsFilterGroup::NONE,
+                       'queryCallable' => function ( $specialPageClassName, $context, $dbr,
+                                                                                 &$tables, &$fields, &$conds, &$query_options, &$join_conds, $selectedValues ) {
+                               if ( $selectedValues === [ 'seen' ] ) {
+                                       $conds[] = 'rc_timestamp < wl_notificationtimestamp';
+                               } elseif ( $selectedValues === [ 'unseen' ] ) {
+                                       $conds[] = 'rc_timestamp >= wl_notificationtimestamp';
+                               }
+                       }
+               ] ) );
+
                $user = $this->getUser();
 
                $significance = $this->getFilterGroup( 'significance' );