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<?php
/**
* Created on 15 April 2011
* API for Gadgets extension
*
* 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
*/
class ApiQueryGadgets extends ApiQueryBase {
private $props,
$categories,
$neededIds,
$listAllowed,
$listEnabled;
public function __construct( $query, $moduleName ) {
parent::__construct( $query, $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() );
}
/**
* @return array
*/
private function getList() {
$gadgets = Gadget::loadStructuredList();
$result = array();
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;
}
/**
* @param $gadgets array
*/
private function applyList( $gadgets ) {
$data = array();
$result = $this->getResult();
/**
* @var $g Gadget
*/
foreach ( $gadgets as $g ) {
$row = array();
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 );
}
/**
* @param $gadget Gadget
*
* @return bool
*/
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 ) );
}
/**
* @param $g Gadget
* @return array
*/
private function fakeMetadata( Gadget $g ) {
return array(
'settings' => array(
'rights' => $g->getRequiredRights(),
'skins' => $g->getRequiredSkins(),
'default' => $g->isOnByDefault(),
'hidden' => false, // Only exists in RL2 branch
'shared' => false, // Only exists in RL2 branch
'category' => $g->getCategory(),
),
'module' => array(
'scripts' => $g->getScripts(),
'styles' => $g->getStyles(),
'dependencies' => $g->getDependencies(),
'messages' => array(), // Only exists in RL2 branch
)
);
}
private function setIndexedTagNameForMetadata( &$metadata ) {
static $tagNames = array(
'rights' => 'right',
'skins' => 'skin',
'scripts' => 'script',
'styles' => 'style',
'dependencies' => 'dependency',
'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 array(
'prop' => array(
ApiBase::PARAM_DFLT => 'id|metadata',
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => array(
'id',
'metadata',
'desc',
),
),
'language' => null,
'categories' => array(
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => 'string',
),
'ids' => array(
ApiBase::PARAM_TYPE => 'string',
ApiBase::PARAM_ISMULTI => true,
),
'allowedonly' => false,
'enabledonly' => false,
);
}
public function getDescription() {
return 'Returns a list of gadgets used on this wiki';
}
public function getParamDescription() {
return array(
'prop' => array(
'What gadget information to get:',
' id - Internal gadget ID',
' metadata - The gadget metadata',
' desc - Gadget description transformed into HTML (can be slow, use only if really needed)',
),
'categories' => 'Gadgets from what categories to retrieve',
'ids' => 'ID(s) of gadgets to retrieve',
'allowedonly' => 'List only gadgets allowed to current user',
'enabledonly' => 'List only gadgets enabled by current user',
);
}
public function getExamples() {
$params = $this->getAllowedParams();
$allProps = implode( '|', $params['prop'][ApiBase::PARAM_TYPE] );
return array(
'Get a list of gadgets along with their descriptions:',
' api.php?action=query&list=gadgets&gaprop=id|desc',
'Get a list of gadgets with all possible properties:',
" api.php?action=query&list=gadgets&gaprop=$allProps",
'Get a list of gadgets belonging to caregory "foo":',
' api.php?action=query&list=gadgets&gacategories=foo',
'Get information about gadgets "foo" and "bar":',
' api.php?action=query&list=gadgets&gaids=foo|bar&gaprop=id|desc|metadata',
'Get a list of gadgets enabled by current user:',
' api.php?action=query&list=gadgets&gaenabledonly',
);
}
public function getVersion() {
return __CLASS__ . ': $Id$';
}
}