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<?php
namespace SMW\MediaWiki\Api;
use SMW\DataValueFactory;
use SMW\Options;
use SMW\Query\PrintRequest;
/**
* This class handles Api related request parameter formatting
*
* @license GNU GPL v2+
* @since 1.9
*
* @author mwjames
*/
final class ApiRequestParameterFormatter {
/**
* @var array
*/
protected $requestParameters = [];
/**
* @var ObjectDictionary
*/
protected $results = null;
/**
* @since 1.9
*
* @param array $requestParameters
*/
public function __construct( array $requestParameters ) {
$this->requestParameters = $requestParameters;
}
/**
* Return formatted request parameters for the AskApi
*
* @since 1.9
*
* @return array
*/
public function getAskApiParameters() {
if ( $this->results === null ) {
$this->results = isset( $this->requestParameters['query'] ) ? preg_split( "/(?<=[^\|])\|(?=[^\|])/", $this->requestParameters['query'] ) : [];
}
return $this->results;
}
/**
* Return formatted request parameters AskArgsApi
*
* @since 1.9
*
* @return array
*/
public function getAskArgsApiParameter( $key ) {
if ( $this->results === null ) {
$this->results = $this->formatAskArgs();
}
return $this->results->get( $key );
}
/**
* Return formatted request parameters
*
* @since 1.9
*
* @return ObjectDictionary
*/
protected function formatAskArgs() {
$result = new Options();
// Set defaults
$result->set( 'conditions', [] );
$result->set( 'printouts', [] );
$result->set( 'parameters', [] );
if ( isset( $this->requestParameters['parameters'] ) && is_array( $this->requestParameters['parameters'] ) ) {
$result->set( 'parameters', $this->formatParameters() );
}
if ( isset( $this->requestParameters['conditions'] ) && is_array( $this->requestParameters['conditions'] ) ) {
$result->set( 'conditions', implode( ' ', array_map( 'self::formatConditions', $this->requestParameters['conditions'] ) ) );
}
if ( isset( $this->requestParameters['printouts'] ) && is_array( $this->requestParameters['printouts'] ) ) {
$result->set( 'printouts', array_map( 'self::formatPrintouts', $this->requestParameters['printouts'] ) );
}
return $result;
}
/**
* Format parameters
*
* @since 1.9
*
* @return string
*/
protected function formatParameters() {
$parameters = [];
foreach ( $this->requestParameters['parameters'] as $param ) {
$parts = explode( '=', $param, 2 );
if ( count( $parts ) == 2 ) {
$parameters[$parts[0]] = $parts[1];
}
}
return $parameters;
}
/**
* Format conditions
*
* @since 1.9
*
* @param string $condition
*
* @return string
*/
protected function formatConditions( $condition ) {
return "[[$condition]]";
}
/**
* Format printout and returns a SMWPrintRequest object
*
* @since 1.9
*
* @param string $printout
*
* @return PrintRequest
*/
protected function formatPrintouts( $printout ) {
return new PrintRequest(
PrintRequest::PRINT_PROP,
$printout,
DataValueFactory::getInstance()->newPropertyValueByLabel( $printout )
);
}
}
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