ApiQueryGadgets.php

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<?php
class ApiQueryGadgets extends ApiQueryBase {
    private $props;
 
    private $categories;
 
    private $neededIds;
 
    private $listAllowed;
 
    private $listEnabled;
 
    public function __construct( ApiQuery $queryModule, $moduleName ) {
        parent::__construct( $queryModule, $moduleName, 'ga' );
    }
 
    public function execute() {
        $params = $this->extractRequestParams();
        $this->props = array_flip( $params['prop'] );
        $this->categories = isset( $params['categories'] )
            ? array_flip( $params['categories'] )
            : false;
        $this->neededIds = isset( $params['ids'] )
            ? array_flip( $params['ids'] )
            : false;
        $this->listAllowed = isset( $params['allowedonly'] ) && $params['allowedonly'];
        $this->listEnabled = isset( $params['enabledonly'] ) && $params['enabledonly'];
 
        $this->getMain()->setCacheMode( $this->listAllowed || $this->listEnabled
            ? 'anon-public-user-private' : 'public' );
 
        $this->applyList( $this->getList() );
    }
 
    private function getList() {
        $gadgets = GadgetRepo::singleton()->getStructuredList();
 
        if ( $gadgets === false ) {
            return [];
        }
 
        $result = [];
        foreach ( $gadgets as $category => $list ) {
            if ( $this->categories && !isset( $this->categories[$category] ) ) {
                continue;
            }
 
            foreach ( $list as $g ) {
                if ( $this->isNeeded( $g ) ) {
                    $result[] = $g;
                }
            }
        }
        return $result;
    }
 
    private function applyList( $gadgets ) {
        $data = [];
        $result = $this->getResult();
 
        foreach ( $gadgets as $g ) {
            $row = [];
            if ( isset( $this->props['id'] ) ) {
                $row['id'] = $g->getName();
            }
 
            if ( isset( $this->props['metadata'] ) ) {
                $row['metadata'] = $this->fakeMetadata( $g );
                $this->setIndexedTagNameForMetadata( $row['metadata'] );
            }
 
            if ( isset( $this->props['desc'] ) ) {
                $row['desc'] = $g->getDescription();
            }
 
            $data[] = $row;
        }
 
        $result->setIndexedTagName( $data, 'gadget' );
        $result->addValue( 'query', $this->getModuleName(), $data );
    }
 
    private function isNeeded( Gadget $gadget ) {
        $user = $this->getUser();
 
        return ( $this->neededIds === false || isset( $this->neededIds[$gadget->getName()] ) )
            && ( !$this->listAllowed || $gadget->isAllowed( $user ) )
            && ( !$this->listEnabled || $gadget->isEnabled( $user ) );
    }
 
    private function fakeMetadata( Gadget $g ) {
        return [
            'settings' => [
                'rights' => $g->getRequiredRights(),
                'skins' => $g->getRequiredSkins(),
                'default' => $g->isOnByDefault(),
                'hidden' => $g->isHidden(),
                'shared' => false,
                'category' => $g->getCategory(),
                'legacyscripts' => (bool)$g->getLegacyScripts(),
            ],
            'module' => [
                'scripts' => $g->getScripts(),
                'styles' => $g->getStyles(),
                'dependencies' => $g->getDependencies(),
                'peers' => $g->getPeers(),
                'messages' => $g->getMessages(),
            ]
        ];
    }
 
    private function setIndexedTagNameForMetadata( &$metadata ) {
        static $tagNames = [
            'rights' => 'right',
            'skins' => 'skin',
            'scripts' => 'script',
            'styles' => 'style',
            'dependencies' => 'dependency',
            'peers' => 'peer',
            'messages' => 'message',
        ];
 
        $result = $this->getResult();
        foreach ( $metadata as $data ) {
            foreach ( $data as $key => $value ) {
                if ( is_array( $value ) ) {
                    $tag = isset( $tagNames[$key] ) ? $tagNames[$key] : $key;
                    $result->setIndexedTagName( $value, $tag );
                }
            }
        }
    }
 
    public function getAllowedParams() {
        return [
            'prop' => [
                ApiBase::PARAM_DFLT => 'id|metadata',
                ApiBase::PARAM_ISMULTI => true,
                ApiBase::PARAM_TYPE => [
                    'id',
                    'metadata',
                    'desc',
                ],
            ],
            'categories' => [
                ApiBase::PARAM_ISMULTI => true,
                ApiBase::PARAM_TYPE => 'string',
            ],
            'ids' => [
                ApiBase::PARAM_TYPE => 'string',
                ApiBase::PARAM_ISMULTI => true,
            ],
            'allowedonly' => false,
            'enabledonly' => false,
        ];
    }
 
    protected function getExamplesMessages() {
        $params = $this->getAllowedParams();
        $allProps = implode( '|', $params['prop'][ApiBase::PARAM_TYPE] );
        return [
            'action=query&list=gadgets&gaprop=id|desc'
                => 'apihelp-query+gadgets-example-1',
            "action=query&list=gadgets&gaprop=$allProps"
                => 'apihelp-query+gadgets-example-2',
            'action=query&list=gadgets&gacategories=foo'
                => 'apihelp-query+gadgets-example-3',
            'action=query&list=gadgets&gaids=foo|bar&gaprop=id|desc|metadata'
                => 'apihelp-query+gadgets-example-4',
            'action=query&list=gadgets&gaenabledonly'
                => 'apihelp-query+gadgets-example-5',
        ];
    }
}