1 files changed, 116 insertions, 0 deletions
diff --git a/www/wiki/includes/api/ApiQueryCategoryInfo.php b/www/wiki/includes/api/ApiQueryCategoryInfo.php
new file mode 100644
index 00000000..02361a27
--- /dev/null
+++ b/www/wiki/includes/api/ApiQueryCategoryInfo.php
@@ -0,0 +1,116 @@
+<?php
+/**
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
+ *
+ * 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
+ */
+
+/**
+ * This query adds the "<categories>" subelement to all pages with the list of
+ * categories the page is in.
+ *
+ * @ingroup API
+ */
+class ApiQueryCategoryInfo extends ApiQueryBase {
+
+	public function __construct( ApiQuery $query, $moduleName ) {
+		parent::__construct( $query, $moduleName, 'ci' );
+	}
+
+	public function execute() {
+		$params = $this->extractRequestParams();
+		$alltitles = $this->getPageSet()->getGoodAndMissingTitlesByNamespace();
+		if ( empty( $alltitles[NS_CATEGORY] ) ) {
+			return;
+		}
+		$categories = $alltitles[NS_CATEGORY];
+
+		$titles = $this->getPageSet()->getGoodAndMissingTitles();
+		$cattitles = [];
+		foreach ( $categories as $c ) {
+			/** @var Title $t */
+			$t = $titles[$c];
+			$cattitles[$c] = $t->getDBkey();
+		}
+
+		$this->addTables( [ 'category', 'page', 'page_props' ] );
+		$this->addJoinConds( [
+			'page' => [ 'LEFT JOIN', [
+				'page_namespace' => NS_CATEGORY,
+				'page_title=cat_title' ] ],
+			'page_props' => [ 'LEFT JOIN', [
+				'pp_page=page_id',
+				'pp_propname' => 'hiddencat' ] ],
+		] );
+
+		$this->addFields( [
+			'cat_title',
+			'cat_pages',
+			'cat_subcats',
+			'cat_files',
+			'cat_hidden' => 'pp_propname'
+		] );
+		$this->addWhere( [ 'cat_title' => $cattitles ] );
+
+		if ( !is_null( $params['continue'] ) ) {
+			$title = $this->getDB()->addQuotes( $params['continue'] );
+			$this->addWhere( "cat_title >= $title" );
+		}
+		$this->addOption( 'ORDER BY', 'cat_title' );
+
+		$res = $this->select( __METHOD__ );
+
+		$catids = array_flip( $cattitles );
+		foreach ( $res as $row ) {
+			$vals = [];
+			$vals['size'] = intval( $row->cat_pages );
+			$vals['pages'] = $row->cat_pages - $row->cat_subcats - $row->cat_files;
+			$vals['files'] = intval( $row->cat_files );
+			$vals['subcats'] = intval( $row->cat_subcats );
+			$vals['hidden'] = (bool)$row->cat_hidden;
+			$fit = $this->addPageSubItems( $catids[$row->cat_title], $vals );
+			if ( !$fit ) {
+				$this->setContinueEnumParameter( 'continue', $row->cat_title );
+				break;
+			}
+		}
+	}
+
+	public function getCacheMode( $params ) {
+		return 'public';
+	}
+
+	public function getAllowedParams() {
+		return [
+			'continue' => [
+				ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+			],
+		];
+	}
+
+	protected function getExamplesMessages() {
+		return [
+			'action=query&prop=categoryinfo&titles=Category:Foo|Category:Bar'
+				=> 'apihelp-query+categoryinfo-example-simple',
+		];
+	}
+
+	public function getHelpUrls() {
+		return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Categoryinfo';
+	}
+}