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<?php
namespace SMW;
use MediaWiki\Html\Html;
use MediaWiki\Title\Title;
use Skin;
use SMW\DataValues\TypesValue;
use SMW\Exception\PropertyNotFoundException;
use SMW\SQLStore\Lookup\ListLookup;
use SMWDIError;
/**
* Query page that provides content to Special:UnusedProperties
*
* @ingroup QueryPage
*
* @license GPL-2.0-or-later
* @since 1.9
*
* @author Markus Krötzsch
* @author mwjames
*/
class UnusedPropertiesQueryPage extends QueryPage {
/** @var Store */
protected $store;
/** @var Settings */
protected $settings;
/**
* @var ListLookup
*/
private $listLookup;
/**
* @since 1.9
*
* @param Store $store
* @param Settings $settings
*/
public function __construct( Store $store, Settings $settings ) {
$this->store = $store;
$this->settings = $settings;
}
/**
* @codeCoverageIgnore
* @return string
*/
function getName() {
return "UnusedProperties";
}
/**
* @codeCoverageIgnore
* @return bool
*/
function isExpensive() {
return false; // Disables caching for now
}
/**
* @codeCoverageIgnore
* @return bool
*/
function isSyndicated() {
return false; // TODO: why not?
}
/**
* @codeCoverageIgnore
* Returns available cache information (takes into account user preferences)
*
* @since 1.9
*
* @return string
*/
public function getCacheInfo() {
if ( $this->listLookup->isFromCache() ) {
return $this->msg(
'smw-sp-properties-cache-info',
$this->getLanguage()->userTimeAndDate( $this->listLookup->getTimestamp(), $this->getUser() )
)->parse();
}
return '';
}
/**
* @codeCoverageIgnore
* @return string
*/
function getPageHeader() {
return Html::rawElement(
'p',
[ 'class' => 'smw-unusedproperties-docu' ],
$this->msg( 'smw-unusedproperties-docu' )->parse()
) . $this->getSearchForm( $this->getRequest()->getVal( 'property', '' ), $this->getCacheInfo() ) .
Html::element(
'h2',
[],
$this->msg( 'smw-sp-properties-header-label' )->text()
);
}
/**
* Format a result in the list of results as a string. We expect the
* result to be an object of type DIProperty (normally) or maybe
* SMWDIError (if something went wrong).
*
* @param Skin $skin provided by MediaWiki, not needed here
* @param mixed $result
*
* @return string
* @throws PropertyNotFoundException if the result was not of a supported type
*/
function formatResult( $skin, $result ) {
if ( $result instanceof DIProperty ) {
return $this->formatPropertyItem( $result );
} elseif ( $result instanceof SMWDIError ) {
return $this->getMessageFormatter()->clear()
->setType( 'warning' )
->addFromArray( [ $result->getErrors() ] )
->getHtml();
}
throw new PropertyNotFoundException(
'UnusedPropertiesQueryPage expects results that are properties or errors.'
);
}
/**
* Produce a formatted string representation for showing a property in
* the list of unused properties.
*
* @since 1.8
*
* @param DIProperty $property
*
* @return string
*/
protected function formatPropertyItem( DIProperty $property ) {
// Clear formatter before invoking messages and
// avoid having previous data to be present
$this->getMessageFormatter()->clear();
if ( $property->isUserDefined() ) {
$title = $property->getDiWikiPage()->getTitle();
if ( !$title instanceof Title ) {
return '';
}
$propertyLink = $this->getLinker()->link(
$title,
$property->getLabel()
);
$types = $this->store->getPropertyValues(
$property->getDiWikiPage(), new DIProperty( '_TYPE' )
);
if ( is_array( $types ) && count( $types ) >= 1 ) {
$typeDataValue = DataValueFactory::getInstance()
->newDataValueByItem( current( $types ), new DIProperty( '_TYPE' ) );
} else {
$typeDataValue = TypesValue::newFromTypeId( '_wpg' );
$this->getMessageFormatter()
->addFromKey( 'smw_propertylackstype', $typeDataValue->getLongHTMLText() );
}
} else {
$typeDataValue = TypesValue::newFromTypeId( $property->findPropertyTypeID() );
$propertyLink = DataValueFactory::getInstance()
->newDataValueByItem( $property, null )->getShortHtmlText( $this->getLinker() );
}
return $this->msg(
'smw-unusedproperty-template', $propertyLink,
$typeDataValue->getLongHTMLText( $this->getLinker() )
)->text() . ' ' . $this->getMessageFormatter()->getHtml();
}
/**
* Get the list of results.
*
* @param RequestOptions $requestOptions
* @return array of DIProperty|SMWDIError
*/
function getResults( $requestOptions ) {
$this->listLookup = $this->store->getUnusedPropertiesSpecial( $requestOptions );
return $this->listLookup->fetchList();
}
}