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<?php
namespace SMW\MediaWiki\Api;
use ApiBase;
use SMWQueryProcessor;
/**
* API module to query SMW by providing a query in the ask language.
*
* @ingroup Api
*
* @license GNU GPL v2+
* @since 1.6.2
*
* @author Jeroen De Dauw < jeroendedauw@gmail.com >
* @author mwjames
*/
class Ask extends Query {
/**
* @see ApiBase::execute
*/
public function execute() {
$params = $this->extractRequestParams();
$parameterFormatter = new ApiRequestParameterFormatter( $this->extractRequestParams() );
$outputFormat = 'json';
list( $queryString, $parameters, $printouts ) = SMWQueryProcessor::getComponentsFromFunctionParams( $parameterFormatter->getAskApiParameters(), false );
$queryResult = $this->getQueryResult( $this->getQuery(
$queryString,
$printouts,
$parameters
) );
if ( $this->getMain()->getPrinter() instanceof \ApiFormatXml ) {
$outputFormat = 'xml';
}
if ( isset( $params['api_version'] ) ) {
$queryResult->setSerializerVersion( $params['api_version'] );
}
$this->addQueryResult( $queryResult, $outputFormat );
}
/**
* @codeCoverageIgnore
* @see ApiBase::getAllowedParams
*
* @return array
*/
public function getAllowedParams() {
return [
'query' => [
ApiBase::PARAM_TYPE => 'string',
ApiBase::PARAM_REQUIRED => true,
],
'api_version' => [
ApiBase::PARAM_TYPE => [ 2, 3 ],
ApiBase::PARAM_DFLT => 2,
ApiBase::PARAM_HELP_MSG => 'apihelp-ask-parameter-api-version',
],
];
}
/**
* @codeCoverageIgnore
* @see ApiBase::getParamDescription
*
* @return array
*/
public function getParamDescription() {
return [
'query' => 'The query string in ask-language'
];
}
/**
* @codeCoverageIgnore
* @see ApiBase::getDescription
*
* @return array
*/
public function getDescription() {
return [
'API module to query SMW by providing a query in the ask language.'
];
}
/**
* @codeCoverageIgnore
* @see ApiBase::getExamples
*
* @return array
*/
protected function getExamples() {
return [
'api.php?action=ask&query=[[Modification%20date::%2B]]|%3FModification%20date|sort%3DModification%20date|order%3Ddesc',
'api.php?action=ask&query=[[Modification%20date::%2B]]|limit%3D5|offset%3D1'
];
}
/**
* @codeCoverageIgnore
* @see ApiBase::getVersion
*
* @return string
*/
public function getVersion() {
return __CLASS__ . '-' . SMW_VERSION;
}
}
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