1 files changed, 98 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialWantedpages.php b/www/wiki/includes/specials/SpecialWantedpages.php
new file mode 100644
index 00000000..8cea6ccb
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+++ b/www/wiki/includes/specials/SpecialWantedpages.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Implements Special:Wantedpages
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * A special page that lists most linked pages that does not exist
+ *
+ * @ingroup SpecialPage
+ */
+class WantedPagesPage extends WantedQueryPage {
+
+	function __construct( $name = 'Wantedpages' ) {
+		parent::__construct( $name );
+	}
+
+	function isIncludable() {
+		return true;
+	}
+
+	function execute( $par ) {
+		$inc = $this->including();
+
+		if ( $inc ) {
+			$this->limit = (int)$par;
+			$this->offset = 0;
+		}
+		$this->setListoutput( $inc );
+		$this->shownavigation = !$inc;
+		parent::execute( $par );
+	}
+
+	function getQueryInfo() {
+		$dbr = wfGetDB( DB_REPLICA );
+		$count = $this->getConfig()->get( 'WantedPagesThreshold' ) - 1;
+		$query = [
+			'tables' => [
+				'pagelinks',
+				'pg1' => 'page',
+				'pg2' => 'page'
+			],
+			'fields' => [
+				'namespace' => 'pl_namespace',
+				'title' => 'pl_title',
+				'value' => 'COUNT(*)'
+			],
+			'conds' => [
+				'pg1.page_namespace IS NULL',
+				'pl_namespace NOT IN (' . $dbr->makeList( [ NS_USER, NS_USER_TALK ] ) . ')',
+				'pg2.page_namespace != ' . $dbr->addQuotes( NS_MEDIAWIKI ),
+			],
+			'options' => [
+				'HAVING' => [
+					'COUNT(*) > ' . $dbr->addQuotes( $count ),
+					'COUNT(*) > SUM(pg2.page_is_redirect)'
+				],
+				'GROUP BY' => [ 'pl_namespace', 'pl_title' ]
+			],
+			'join_conds' => [
+				'pg1' => [
+					'LEFT JOIN', [
+						'pg1.page_namespace = pl_namespace',
+						'pg1.page_title = pl_title'
+					]
+				],
+				'pg2' => [ 'LEFT JOIN', 'pg2.page_id = pl_from' ]
+			]
+		];
+		// Replacement for the WantedPages::getSQL hook
+		// Avoid PHP 7.1 warning from passing $this by reference
+		$wantedPages = $this;
+		Hooks::run( 'WantedPages::getQueryInfo', [ &$wantedPages, &$query ] );
+
+		return $query;
+	}
+
+	protected function getGroupName() {
+		return 'maintenance';
+	}
+}