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[GitHub/WoltLab/WCF.git] / wcfsetup / install / files / lib / page / SearchResultPage.class.php

<?php

namespace wcf\page;

use wcf\data\search\ISearchResultObject;
use wcf\data\search\Search;
use wcf\system\event\EventHandler;
use wcf\system\exception\IllegalLinkException;
use wcf\system\exception\ImplementationException;
use wcf\system\page\PageLocationManager;
use wcf\system\request\LinkHandler;
use wcf\system\search\SearchEngine;
use wcf\system\WCF;
use wcf\util\HeaderUtil;

/**
 * Shows the result of a search request.
 *
 * @author  Marcel Werk
 * @copyright   2001-2019 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @deprecated 5.5
 */
class SearchResultPage extends MultipleLinkPage
{
    /**
     * @inheritDoc
     */
    public $itemsPerPage = SEARCH_RESULTS_PER_PAGE;

    /**
     * highlight string
     * @var string
     */
    public $highlight = '';

    /**
     * search id
     * @var int
     */
    public $searchID = 0;

    /**
     * search object
     * @var Search
     */
    public $search;

    /**
     * messages
     * @var array
     */
    public $messages = [];

    /**
     * search data
     * @var array
     */
    public $searchData;

    /**
     * result list template
     * @var string
     */
    public $resultListTemplateName = 'searchResultList';

    /**
     * result list template's application
     * @var string
     */
    public $resultListApplication = 'wcf';

    /**
     * @inheritDoc
     */
    public function readParameters()
    {
        parent::readParameters();

        if (isset($_REQUEST['highlight'])) {
            $this->highlight = $_REQUEST['highlight'];
        }
        if (isset($_REQUEST['id'])) {
            $this->searchID = \intval($_REQUEST['id']);
        }
        $this->search = new Search($this->searchID);
        if (!$this->search->searchID || $this->search->searchType != 'messages') {
            $this->redirectOrReject();
        }
        if ($this->search->userID && $this->search->userID != WCF::getUser()->userID) {
            $this->redirectOrReject();
        }

        // get search data
        $this->searchData = \unserialize($this->search->searchData);
    }

    /**
     * Attempts to start a new search if the search id is invalid or unavailable, and the
     * highlight parameter is available.
     */
    protected function redirectOrReject()
    {
        if (!empty($this->highlight)) {
            HeaderUtil::redirect(
                LinkHandler::getInstance()->getLink('Search', ['q' => $this->highlight])
            );

            exit;
        } else {
            throw new IllegalLinkException();
        }
    }

    /**
     * @inheritDoc
     */
    public function readData()
    {
        parent::readData();

        // cache message data
        $this->cacheMessageData();

        // get messages
        $this->readMessages();

        // set active menu item
        if (isset($this->searchData['selectedObjectTypes']) && \count($this->searchData['selectedObjectTypes']) == 1) {
            $objectType = SearchEngine::getInstance()->getObjectType(\reset($this->searchData['selectedObjectTypes']));
            $objectType->setLocation();
        }

        // add breadcrumbs
        PageLocationManager::getInstance()->addParentLocation('com.woltlab.wcf.Search');
    }

    /**
     * Caches the message data.
     */
    protected function cacheMessageData()
    {
        $types = [];

        // group object id by object type
        for ($i = $this->startIndex - 1; $i < $this->endIndex; $i++) {
            $type = $this->searchData['results'][$i]['objectType'];
            $objectID = $this->searchData['results'][$i]['objectID'];

            if (!isset($types[$type])) {
                $types[$type] = [];
            }
            $types[$type][] = $objectID;
        }

        foreach ($types as $type => $objectIDs) {
            $objectType = SearchEngine::getInstance()->getObjectType($type);
            $objectType->cacheObjects($objectIDs, ($this->searchData['additionalData'][$type] ?? null));
        }
    }

    /**
     * Reads the data of the search result messages.
     */
    protected function readMessages()
    {
        for ($i = $this->startIndex - 1; $i < $this->endIndex; $i++) {
            $type = $this->searchData['results'][$i]['objectType'];
            $objectID = $this->searchData['results'][$i]['objectID'];

            $objectType = SearchEngine::getInstance()->getObjectType($type);
            if (($message = $objectType->getObject($objectID)) !== null) {
                if (!($message instanceof ISearchResultObject)) {
                    throw new ImplementationException(\get_class($message), ISearchResultObject::class);
                }

                $this->messages[] = $message;
            }
        }
    }

    /**
     * @inheritDoc
     */
    public function countItems()
    {
        // call countItems event
        EventHandler::getInstance()->fireAction($this, 'countItems');

        return \count($this->searchData['results']);
    }

    /**
     * @inheritDoc
     */
    protected function initObjectList()
    {
    }

    /**
     * @inheritDoc
     */
    protected function readObjects()
    {
    }

    /**
     * @inheritDoc
     */
    public function __run()
    {
        throw new IllegalLinkException();
    }
}