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Current File : /www/varak.net/wiki.varak.net/includes/widget/search/BasicSearchResultSetWidget.php

<?php

namespace MediaWiki\Widget\Search;

use MediaWiki\MediaWikiServices;
use Message;
use SearchResultSet;
use SpecialSearch;
use Status;

/**
 * Renders the search result area. Handles Title and Full-Text search results,
 * along with inline and sidebar secondary (interwiki) results.
 */
class BasicSearchResultSetWidget {
	/** @var SpecialSearch */
	protected $specialPage;
	/** @var SearchResultWidget */
	protected $resultWidget;
	/** @var InterwikiSearchResultSetWidget */
	protected $sidebarWidget;

	public function __construct(
		SpecialSearch $specialPage,
		SearchResultWidget $resultWidget,
		SearchResultSetWidget $sidebarWidget
	) {
		$this->specialPage = $specialPage;
		$this->resultWidget = $resultWidget;
		$this->sidebarWidget = $sidebarWidget;
	}

	/**
	 * @param string $term The search term to highlight
	 * @param int $offset The offset of the first result in the result set
	 * @param SearchResultSet|null $titleResultSet Results of searching only page titles
	 * @param SearchResultSet|null $textResultSet Results of general full text search.
	 * @return string HTML
	 */
	public function render(
		$term,
		$offset,
		SearchResultSet $titleResultSet = null,
		SearchResultSet $textResultSet = null
	) {
		$hasTitle = $titleResultSet ? $titleResultSet->numRows() > 0 : false;
		$hasText = $textResultSet ? $textResultSet->numRows() > 0 : false;
		$hasSecondary = $textResultSet
			? $textResultSet->hasInterwikiResults( SearchResultSet::SECONDARY_RESULTS )
			: false;
		$hasSecondaryInline = $textResultSet
			? $textResultSet->hasInterwikiResults( SearchResultSet::INLINE_RESULTS )
			: false;

		if ( !$hasTitle && !$hasText && !$hasSecondary && !$hasSecondaryInline ) {
			return '';
		}

		$out = '';
		if ( $hasTitle ) {
			$out .= $this->header( $this->specialPage->msg( 'titlematches' ) )
				. $this->renderResultSet( $titleResultSet, $offset );
		}

		if ( $hasText ) {
			if ( $hasTitle ) {
				$out .= "<div class='mw-search-visualclear'></div>" .
					$this->header( $this->specialPage->msg( 'textmatches' ) );
			}
			$out .= $this->renderResultSet( $textResultSet, $offset );
		}

		if ( $hasSecondaryInline ) {
			$iwResults = $textResultSet->getInterwikiResults( SearchResultSet::INLINE_RESULTS );
			foreach ( $iwResults as $interwiki => $results ) {
				if ( $results instanceof Status || $results->numRows() === 0 ) {
					// ignore bad interwikis for now
					continue;
				}
				$out .=
					"<h2 class='mw-search-interwiki-header mw-search-visualclear'>" .
						$this->specialPage->msg( "search-interwiki-results-{$interwiki}" )->parse() .
					"</h2>";
				$out .= $this->renderResultSet( $results, $offset );
			}
		}

		if ( $hasSecondary ) {
			$out .= $this->sidebarWidget->render(
				$term,
				$textResultSet->getInterwikiResults( SearchResultSet::SECONDARY_RESULTS )
			);
		}

		// Convert the whole thing to desired language variant
		// TODO: Move this up to Special:Search?
		return MediaWikiServices::getInstance()->getContentLanguage()->convert( $out );
	}

	/**
	 * Generate a headline for a section of the search results. In prior
	 * implementations this was rendering wikitext of '==$1==', but seems
	 * a waste to call the full parser to generate this tiny bit of html
	 *
	 * @param Message $msg i18n message to use as header
	 * @return string HTML
	 */
	protected function header( Message $msg ) {
		return "<h2>" .
			"<span class='mw-headline'>" . $msg->escaped() . "</span>" .
		"</h2>";
	}

	/**
	 * @param SearchResultSet $resultSet The search results to render
	 * @param int $offset Offset of the first result in $resultSet
	 * @return string HTML
	 */
	protected function renderResultSet( SearchResultSet $resultSet, $offset ) {
		$terms = MediaWikiServices::getInstance()->getContentLanguage()->
			convertForSearchResult( $resultSet->termMatches() );

		$hits = [];
		foreach ( $resultSet as $result ) {
			$hits[] = $this->resultWidget->render( $result, $terms, $offset++ );
		}

		return "<ul class='mw-search-results'>" . implode( '', $hits ) . "</ul>";
	}
}

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