RootlineUtility::resolveMovePointerId() - Code Metrics - Inspection of "[TASK] Clean up move placeholder comments and usag..." - TYPO3/TYPO3.CMS - Measure and Improve Code Quality continuously with Scrutinizer

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created 2020-10-19 09:22 UTC

RootlineUtility::resolveMovePointerId() A

↳ Parent: RootlineUtility

Complexity

Conditions	2
Paths	2

Size

Total Lines	28
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	20
c	1
b	0
f	0
nc	2
nop	1
dl	0
loc	28
rs	9.6

<?php

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

namespace TYPO3\CMS\Core\Utility;

use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\FetchMode;
use TYPO3\CMS\Core\Cache\CacheManager;
use TYPO3\CMS\Core\Context\Context;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Query\QueryBuilder;
use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
use TYPO3\CMS\Core\Database\Query\Restriction\HiddenRestriction;
use TYPO3\CMS\Core\Database\RelationHandler;
use TYPO3\CMS\Core\Domain\Repository\PageRepository;
use TYPO3\CMS\Core\Exception\Page\BrokenRootLineException;
use TYPO3\CMS\Core\Exception\Page\CircularRootLineException;
use TYPO3\CMS\Core\Exception\Page\MountPointsDisabledException;
use TYPO3\CMS\Core\Exception\Page\PageNotFoundException;
use TYPO3\CMS\Core\Exception\Page\PagePropertyRelationNotFoundException;
use TYPO3\CMS\Core\Versioning\VersionState;

/**
 * A utility resolving and Caching the Rootline generation
 */
class RootlineUtility
{
    /**
     * @var int
     */
    protected $pageUid;

    /**
     * @var string
     */
    protected $mountPointParameter;

    /**
     * @var array
     */
    protected $parsedMountPointParameters = [];

    /**
     * @var int
     */
    protected $languageUid = 0;

    /**
     * @var int
     */
    protected $workspaceUid = 0;

    /**
     * @var \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface
     */
    protected static $cache;

    /**
     * @var array
     */
    protected static $localCache = [];

    /**
     * Fields to fetch when populating rootline data
     *
     * @var array
     */
    protected static $rootlineFields = [
        'pid',
        'uid',
        't3ver_oid',
        't3ver_wsid',
        't3ver_state',
        'title',
        'nav_title',
        'media',
        'layout',
        'hidden',
        'starttime',
        'endtime',
        'fe_group',
        'extendToSubpages',
        'doktype',
        'TSconfig',
        'tsconfig_includes',
        'is_siteroot',
        'mount_pid',
        'mount_pid_ol',
        'fe_login_mode',
        'backend_layout_next_level'
    ];

    /**
     * Database Query Object
     *
     * @var PageRepository
     */
    protected $pageRepository;

    /**
     * Query context
     *
     * @var Context
     */
    protected $context;

    /**
     * @var string
     */
    protected $cacheIdentifier;

    /**
     * @var array
     */
    protected static $pageRecordCache = [];

    /**
     * @param int $uid
     * @param string $mountPointParameter
     * @param Context $context
     * @throws MountPointsDisabledException
     */
    public function __construct($uid, $mountPointParameter = '', $context = null)
    {
        $this->mountPointParameter = trim($mountPointParameter);
        if (!($context instanceof Context)) {
            $context = GeneralUtility::makeInstance(Context::class);
        }
        $this->context = $context;
        $this->pageRepository = GeneralUtility::makeInstance(PageRepository::class, $context);

        $this->languageUid = $this->context->getPropertyFromAspect('language', 'id', 0);
        $this->workspaceUid = (int)$this->context->getPropertyFromAspect('workspace', 'id', 0);
        if ($this->mountPointParameter !== '') {
            if (!$GLOBALS['TYPO3_CONF_VARS']['FE']['enable_mount_pids']) {
                throw new MountPointsDisabledException('Mount-Point Pages are disabled for this installation. Cannot resolve a Rootline for a page with Mount-Points', 1343462896);
            }
            $this->parseMountPointParameter();
        }

        $this->pageUid = $this->resolvePageId((int)$uid);
        if (self::$cache === null) {
            self::$cache = GeneralUtility::makeInstance(CacheManager::class)->getCache('rootline');
        }
        self::$rootlineFields = array_merge(self::$rootlineFields, GeneralUtility::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['FE']['addRootLineFields'], true));
        self::$rootlineFields = array_unique(self::$rootlineFields);

        $this->cacheIdentifier = $this->getCacheIdentifier();
    }

    /**
     * Purges all rootline caches.
     *
     * @internal only used in EXT:core, no public API
     */
    public static function purgeCaches()
    {
        self::$localCache = [];
        self::$pageRecordCache = [];
    }

    /**
     * Constructs the cache Identifier
     *
     * @param int $otherUid
     * @return string
     */
    public function getCacheIdentifier($otherUid = null)
    {
        $mountPointParameter = (string)$this->mountPointParameter;
        if ($mountPointParameter !== '' && strpos($mountPointParameter, ',') !== false) {
            $mountPointParameter = str_replace(',', '__', $mountPointParameter);
        }

        return implode('_', [
            $otherUid !== null ? (int)$otherUid : $this->pageUid,
            $mountPointParameter,
            $this->languageUid,
            $this->workspaceUid
        ]);
    }

    /**
     * Returns the actual rootline without the tree root (uid=0), including the page with $this->pageUid
     *
     * @return array
     */
    public function get()
    {
        if ($this->pageUid === 0) {
            // pageUid 0 has no root line, return empty array right away
            return [];
        }
        if (!isset(static::$localCache[$this->cacheIdentifier])) {
            $entry = static::$cache->get($this->cacheIdentifier);
            if (!$entry) {
                $this->generateRootlineCache();
            } else {
                static::$localCache[$this->cacheIdentifier] = $entry;
                $depth = count($entry);
                // Populate the root-lines for parent pages as well
                // since they are part of the current root-line
                while ($depth > 1) {
                    --$depth;
                    $parentCacheIdentifier = $this->getCacheIdentifier($entry[$depth - 1]['uid']);
                    // Abort if the root-line of the parent page is
                    // already in the local cache data
                    if (isset(static::$localCache[$parentCacheIdentifier])) {
                        break;
                    }
                    // Behaves similar to array_shift(), but preserves
                    // the array keys - which contain the page ids here
                    $entry = array_slice($entry, 1, null, true);
                    static::$localCache[$parentCacheIdentifier] = $entry;
                }
            }
        }
        return static::$localCache[$this->cacheIdentifier];
    }

    /**
     * Queries the database for the page record and returns it.
     *
     * @param int $uid Page id
     * @throws PageNotFoundException
     * @return array
     */
    protected function getRecordArray($uid)
    {
        $currentCacheIdentifier = $this->getCacheIdentifier($uid);
        if (!isset(self::$pageRecordCache[$currentCacheIdentifier])) {
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('pages');
            $queryBuilder->getRestrictions()->removeAll()->add(GeneralUtility::makeInstance(DeletedRestriction::class));
            $row = $queryBuilder->select(...self::$rootlineFields)
                ->from('pages')
                ->where(
                    $queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($uid, \PDO::PARAM_INT))
                )
                ->execute()
                ->fetch();
            if (empty($row)) {
                throw new PageNotFoundException('Could not fetch page data for uid ' . $uid . '.', 1343589451);
            }
            $this->pageRepository->versionOL('pages', $row, false, true);
            $this->pageRepository->fixVersioningPid('pages', $row);
            if (is_array($row)) {
                if ($this->languageUid > 0) {
                    $row = $this->pageRepository->getPageOverlay($row, $this->languageUid);
                }
                $row = $this->enrichWithRelationFields($row['_PAGES_OVERLAY_UID'] ??  $uid, $row);
                self::$pageRecordCache[$currentCacheIdentifier] = $row;
            }
        }
        if (!is_array(self::$pageRecordCache[$currentCacheIdentifier])) {
            throw new PageNotFoundException('Broken rootline. Could not resolve page with uid ' . $uid . '.', 1343464101);
        }
        return self::$pageRecordCache[$currentCacheIdentifier];
    }

    /**
     * Resolve relations as defined in TCA and add them to the provided $pageRecord array.
     *
     * @param int $uid page ID
     * @param array $pageRecord Page record (possibly overlaid) to be extended with relations
     * @throws PagePropertyRelationNotFoundException
     * @return array $pageRecord with additional relations
     */
    protected function enrichWithRelationFields($uid, array $pageRecord)
    {
        $connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);

        // @todo Remove this special interpretation of relations by consequently using RelationHandler
        foreach ($GLOBALS['TCA']['pages']['columns'] as $column => $configuration) {
            // Ensure that only fields defined in $rootlineFields (and "addRootLineFields") are actually evaluated
            if (array_key_exists($column, $pageRecord) && $this->columnHasRelationToResolve($configuration)) {
                $configuration = $configuration['config'];
                if ($configuration['MM']) {
                    /** @var \TYPO3\CMS\Core\Database\RelationHandler $loadDBGroup */
                    $loadDBGroup = GeneralUtility::makeInstance(RelationHandler::class);
                    $loadDBGroup->start(
                        $pageRecord[$column],
                        // @todo That depends on the type (group, select, inline)
                        $configuration['allowed'] ?? $configuration['foreign_table'],
                        $configuration['MM'],
                        $uid,
                        'pages',
                        $configuration
                    );
                    $relatedUids = $loadDBGroup->tableArray[$configuration['foreign_table']] ?? [];
                } else {
                    // @todo The assumption is wrong, since group can be used without "MM", but having "allowed"
                    $table = $configuration['foreign_table'];

                    $queryBuilder = $connectionPool->getQueryBuilderForTable($table);
                    $queryBuilder->getRestrictions()->removeAll()
                        ->add(GeneralUtility::makeInstance(DeletedRestriction::class))
                        ->add(GeneralUtility::makeInstance(HiddenRestriction::class));
                    $queryBuilder->select('uid')
                        ->from($table)
                        ->where(
                            $queryBuilder->expr()->eq(
                                $configuration['foreign_field'],
                                $queryBuilder->createNamedParameter(
                                    $uid,
                                    \PDO::PARAM_INT
                                )
                            )
                        );

                    if (isset($configuration['foreign_match_fields']) && is_array($configuration['foreign_match_fields'])) {
                        foreach ($configuration['foreign_match_fields'] as $field => $value) {
                            $queryBuilder->andWhere(
                                $queryBuilder->expr()->eq(
                                    $field,
                                    $queryBuilder->createNamedParameter($value, \PDO::PARAM_STR)
                                )
                            );
                        }
                    }
                    if (isset($configuration['foreign_table_field'])) {
                        $queryBuilder->andWhere(
                            $queryBuilder->expr()->eq(
                                trim($configuration['foreign_table_field']),
                                $queryBuilder->createNamedParameter(
                                    'pages',
                                    \PDO::PARAM_STR
                                )
                            )
                        );
                    }
                    if (isset($configuration['foreign_sortby'])) {
                        $queryBuilder->orderBy($configuration['foreign_sortby']);
                    }
                    try {
                        $statement = $queryBuilder->execute();
                    } catch (DBALException $e) {
                        throw new PagePropertyRelationNotFoundException('Could to resolve related records for page ' . $uid . ' and foreign_table ' . htmlspecialchars($table), 1343589452);
                    }
                    $relatedUids = [];
                    while ($row = $statement->fetch()) {
                        $relatedUids[] = $row['uid'];
                    }
                }
                $pageRecord[$column] = implode(',', $relatedUids);
            }
        }
        return $pageRecord;
    }

    /**
     * Checks whether the TCA Configuration array of a column
     * describes a relation which is not stored as CSV in the record
     *
     * @param array $configuration TCA configuration to check
     * @return bool TRUE, if it describes a non-CSV relation
     */
    protected function columnHasRelationToResolve(array $configuration)
    {
        $configuration = $configuration['config'] ?? null;
        if (!empty($configuration['MM']) && !empty($configuration['type']) && in_array($configuration['type'], ['select', 'inline', 'group'])) {
            return true;
        }
        if (!empty($configuration['foreign_field']) && !empty($configuration['type']) && in_array($configuration['type'], ['select', 'inline'])) {
            return true;
        }
        return false;
    }

    /**
     * Actual function to generate the rootline and cache it
     *
     * @throws CircularRootLineException
     */
    protected function generateRootlineCache()
    {
        $page = $this->getRecordArray($this->pageUid);
        // If the current page is a mounted (according to the MP parameter) handle the mount-point
        if ($this->isMountedPage()) {
            $mountPoint = $this->getRecordArray($this->parsedMountPointParameters[$this->pageUid]);
            $page = $this->processMountedPage($page, $mountPoint);
            $parentUid = $mountPoint['pid'];
            // Anyhow after reaching the mount-point, we have to go up that rootline
            unset($this->parsedMountPointParameters[$this->pageUid]);
        } else {
            $parentUid = $page['pid'];
        }
        $cacheTags = ['pageId_' . $page['uid']];
        if ($parentUid > 0) {
            // Get rootline of (and including) parent page
            $mountPointParameter = !empty($this->parsedMountPointParameters) ? $this->mountPointParameter : '';
            $rootline = GeneralUtility::makeInstance(self::class, $parentUid, $mountPointParameter, $this->context)->get();
            // retrieve cache tags of parent rootline
            foreach ($rootline as $entry) {
                $cacheTags[] = 'pageId_' . $entry['uid'];
                if ($entry['uid'] == $this->pageUid) {
                    throw new CircularRootLineException('Circular connection in rootline for page with uid ' . $this->pageUid . ' found. Check your mountpoint configuration.', 1343464103);
                }
            }
        } else {
            $rootline = [];
        }
        $rootline[] = $page;
        krsort($rootline);
        static::$cache->set($this->cacheIdentifier, $rootline, $cacheTags);
        static::$localCache[$this->cacheIdentifier] = $rootline;
    }

    /**
     * Checks whether the current Page is a Mounted Page
     * (according to the MP-URL-Parameter)
     *
     * @return bool
     */
    public function isMountedPage()
    {
        return array_key_exists($this->pageUid, $this->parsedMountPointParameters);
    }

    /**
     * Enhances with mount point information or replaces the node if needed
     *
     * @param array $mountedPageData page record array of mounted page
     * @param array $mountPointPageData page record array of mount point page
     * @throws BrokenRootLineException
     * @return array
     */
    protected function processMountedPage(array $mountedPageData, array $mountPointPageData)
    {
        $mountPid = $mountPointPageData['mount_pid'] ?? null;
        $uid = $mountedPageData['uid'] ?? null;
        if ($mountPid != $uid) {
            throw new BrokenRootLineException('Broken rootline. Mountpoint parameter does not match the actual rootline. mount_pid (' . $mountPid . ') does not match page uid (' . $uid . ').', 1343464100);
        }
        // Current page replaces the original mount-page
        $mountUid = $mountPointPageData['uid'] ?? null;
        if (!empty($mountPointPageData['mount_pid_ol'])) {
            $mountedPageData['_MOUNT_OL'] = true;
            $mountedPageData['_MOUNT_PAGE'] = [
                'uid' => $mountUid,
                'pid' => $mountPointPageData['pid'] ?? null,
                'title' => $mountPointPageData['title'] ?? null
            ];
        } else {
            // The mount-page is not replaced, the mount-page itself has to be used
            $mountedPageData = $mountPointPageData;
        }
        $mountedPageData['_MOUNTED_FROM'] = $this->pageUid;
        $mountedPageData['_MP_PARAM'] = $this->pageUid . '-' . $mountUid;
        return $mountedPageData;
    }

    /**
     * Parse the MountPoint Parameters
     * Splits the MP-Param via "," for several nested mountpoints
     * and afterwords registers the mountpoint configurations
     */
    protected function parseMountPointParameter()
    {
        $mountPoints = GeneralUtility::trimExplode(',', $this->mountPointParameter);
        foreach ($mountPoints as $mP) {
            [$mountedPageUid, $mountPageUid] = GeneralUtility::intExplode('-', $mP);
            $this->parsedMountPointParameters[$mountedPageUid] = $mountPageUid;
        }
    }

    /**
     * Fetches the UID of the page, but if the page was moved in a workspace, actually returns the UID
     * of the moved version in the workspace.
     *
     * @param int $pageId
     * @return int
     */
    protected function resolvePageId(int $pageId): int
    {
        if ($pageId === 0 || $this->workspaceUid === 0) {
            return $pageId;
        }

        $page = $this->resolvePageRecord($pageId);
        if (!VersionState::cast($page['t3ver_state'])->equals(VersionState::MOVE_POINTER)) {
            return $pageId;
        }

        $movePointerId = $this->resolveMovePointerId((int)$page['t3ver_oid']);
        return $movePointerId ?: $pageId;
    }

    /**
     * @param int $pageId
     * @return array|null
     */
    protected function resolvePageRecord(int $pageId): ?array
    {
        $queryBuilder = $this->createQueryBuilder('pages');
        $queryBuilder->getRestrictions()->removeAll()
            ->add(GeneralUtility::makeInstance(DeletedRestriction::class));

        $statement = $queryBuilder
            ->from('pages')
            ->select('uid', 't3ver_oid', 't3ver_state')
            ->where(
                $queryBuilder->expr()->eq(
                    'uid',
                    $queryBuilder->createNamedParameter($pageId, \PDO::PARAM_INT)
                )
            )
            ->setMaxResults(1)
            ->execute();

        $record = $statement->fetch(FetchMode::ASSOCIATIVE);
        return $record ?: null;
    }

    /**
     * Fetched the UID of the versioned record if the live record has been moved in a workspace.
     *
     * @param int $liveId
     * @return int|null
     */
    protected function resolveMovePointerId(int $liveId): ?int
    {
        $queryBuilder = $this->createQueryBuilder('pages');
        $queryBuilder->getRestrictions()->removeAll()
            ->add(GeneralUtility::makeInstance(DeletedRestriction::class));

        $statement = $queryBuilder
            ->from('pages')
            ->select('uid')
            ->setMaxResults(1)
            ->where(
                $queryBuilder->expr()->eq(
                    't3ver_wsid',
                    $queryBuilder->createNamedParameter($this->workspaceUid, \PDO::PARAM_INT)
                ),
                $queryBuilder->expr()->eq(
                    't3ver_state',
                    $queryBuilder->createNamedParameter(VersionState::MOVE_POINTER, \PDO::PARAM_INT)
                ),
                $queryBuilder->expr()->eq(
                    't3ver_oid',
                    $queryBuilder->createNamedParameter($liveId, \PDO::PARAM_INT)
                )
            )
            ->execute();

        $movePointerId = $statement->fetchColumn();
        return $movePointerId ? (int)$movePointerId : null;
    }

    /**
     * @param string $tableName
     * @return QueryBuilder
     */
    protected function createQueryBuilder(string $tableName): QueryBuilder
    {
        return GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable($tableName);
    }
}


1			<?php
2
3			/*
4			* This file is part of the TYPO3 CMS project.
5			*
6			* It is free software; you can redistribute it and/or modify it under
7			* the terms of the GNU General Public License, either version 2
8			* of the License, or any later version.
9			*
10			* For the full copyright and license information, please read the
11			* LICENSE.txt file that was distributed with this source code.
12			*
13			* The TYPO3 project - inspiring people to share!
14			*/
15
16			namespace TYPO3\CMS\Core\Utility;
17
18			use Doctrine\DBAL\DBALException;
19			use Doctrine\DBAL\FetchMode;
20			use TYPO3\CMS\Core\Cache\CacheManager;
21			use TYPO3\CMS\Core\Context\Context;
22			use TYPO3\CMS\Core\Database\ConnectionPool;
23			use TYPO3\CMS\Core\Database\Query\QueryBuilder;
24			use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
25			use TYPO3\CMS\Core\Database\Query\Restriction\HiddenRestriction;
26			use TYPO3\CMS\Core\Database\RelationHandler;
27			use TYPO3\CMS\Core\Domain\Repository\PageRepository;
28			use TYPO3\CMS\Core\Exception\Page\BrokenRootLineException;
29			use TYPO3\CMS\Core\Exception\Page\CircularRootLineException;
30			use TYPO3\CMS\Core\Exception\Page\MountPointsDisabledException;
31			use TYPO3\CMS\Core\Exception\Page\PageNotFoundException;
32			use TYPO3\CMS\Core\Exception\Page\PagePropertyRelationNotFoundException;
33			use TYPO3\CMS\Core\Versioning\VersionState;
34
35			/**
36			* A utility resolving and Caching the Rootline generation
37			*/
38			class RootlineUtility
39			{
40			/**
41			* @var int
42			*/
43			protected $pageUid;
44
45			/**
46			* @var string
47			*/
48			protected $mountPointParameter;
49
50			/**
51			* @var array
52			*/
53			protected $parsedMountPointParameters = [];
54
55			/**
56			* @var int
57			*/
58			protected $languageUid = 0;
59
60			/**
61			* @var int
62			*/
63			protected $workspaceUid = 0;
64
65			/**
66			* @var \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface
67			*/
68			protected static $cache;
69
70			/**
71			* @var array
72			*/
73			protected static $localCache = [];
74
75			/**
76			* Fields to fetch when populating rootline data
77			*
78			* @var array
79			*/
80			protected static $rootlineFields = [
81			'pid',
82			'uid',
83			't3ver_oid',
84			't3ver_wsid',
85			't3ver_state',
86			'title',
87			'nav_title',
88			'media',
89			'layout',
90			'hidden',
91			'starttime',
92			'endtime',
93			'fe_group',
94			'extendToSubpages',
95			'doktype',
96			'TSconfig',
97			'tsconfig_includes',
98			'is_siteroot',
99			'mount_pid',
100			'mount_pid_ol',
101			'fe_login_mode',
102			'backend_layout_next_level'
103			];
104
105			/**
106			* Database Query Object
107			*
108			* @var PageRepository
109			*/
110			protected $pageRepository;
111
112			/**
113			* Query context
114			*
115			* @var Context
116			*/
117			protected $context;
118
119			/**
120			* @var string
121			*/
122			protected $cacheIdentifier;
123
124			/**
125			* @var array
126			*/
127			protected static $pageRecordCache = [];
128
129			/**
130			* @param int $uid
131			* @param string $mountPointParameter
132			* @param Context $context
133			* @throws MountPointsDisabledException
134			*/
135			public function __construct($uid, $mountPointParameter = '', $context = null)
136			{
137			$this->mountPointParameter = trim($mountPointParameter);
138			if (!($context instanceof Context)) {
139			$context = GeneralUtility::makeInstance(Context::class);
140			}
141			$this->context = $context;
142			$this->pageRepository = GeneralUtility::makeInstance(PageRepository::class, $context);
143
144			$this->languageUid = $this->context->getPropertyFromAspect('language', 'id', 0);
145			$this->workspaceUid = (int)$this->context->getPropertyFromAspect('workspace', 'id', 0);
146			if ($this->mountPointParameter !== '') {
147			if (!$GLOBALS['TYPO3_CONF_VARS']['FE']['enable_mount_pids']) {
148			throw new MountPointsDisabledException('Mount-Point Pages are disabled for this installation. Cannot resolve a Rootline for a page with Mount-Points', 1343462896);
149			}
150			$this->parseMountPointParameter();
151			}
152
153			$this->pageUid = $this->resolvePageId((int)$uid);
154			if (self::$cache === null) {
155			self::$cache = GeneralUtility::makeInstance(CacheManager::class)->getCache('rootline');
156			}
157			self::$rootlineFields = array_merge(self::$rootlineFields, GeneralUtility::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['FE']['addRootLineFields'], true));
158			self::$rootlineFields = array_unique(self::$rootlineFields);
159
160			$this->cacheIdentifier = $this->getCacheIdentifier();
161			}
162
163			/**
164			* Purges all rootline caches.
165			*
166			* @internal only used in EXT:core, no public API
167			*/
168			public static function purgeCaches()
169			{
170			self::$localCache = [];
171			self::$pageRecordCache = [];
172			}
173
174			/**
175			* Constructs the cache Identifier
176			*
177			* @param int $otherUid
178			* @return string
179			*/
180			public function getCacheIdentifier($otherUid = null)
181			{
182			$mountPointParameter = (string)$this->mountPointParameter;
183			if ($mountPointParameter !== '' && strpos($mountPointParameter, ',') !== false) {
184			$mountPointParameter = str_replace(',', '__', $mountPointParameter);
185			}
186
187			return implode('_', [
188			$otherUid !== null ? (int)$otherUid : $this->pageUid,
189			$mountPointParameter,
190			$this->languageUid,
191			$this->workspaceUid
192			]);
193			}
194
195			/**
196			* Returns the actual rootline without the tree root (uid=0), including the page with $this->pageUid
197			*
198			* @return array
199			*/
200			public function get()
201			{
202			if ($this->pageUid === 0) {
203			// pageUid 0 has no root line, return empty array right away
204			return [];
205			}
206			if (!isset(static::$localCache[$this->cacheIdentifier])) {
207			$entry = static::$cache->get($this->cacheIdentifier);
208			if (!$entry) {
209			$this->generateRootlineCache();
210			} else {
211			static::$localCache[$this->cacheIdentifier] = $entry;
212			$depth = count($entry);
213			// Populate the root-lines for parent pages as well
214			// since they are part of the current root-line
215			while ($depth > 1) {
216			--$depth;
217			$parentCacheIdentifier = $this->getCacheIdentifier($entry[$depth - 1]['uid']);
218			// Abort if the root-line of the parent page is
219			// already in the local cache data
220			if (isset(static::$localCache[$parentCacheIdentifier])) {
221			break;
222			}
223			// Behaves similar to array_shift(), but preserves
224			// the array keys - which contain the page ids here
225			$entry = array_slice($entry, 1, null, true);
226			static::$localCache[$parentCacheIdentifier] = $entry;
227			}
228			}
229			}
230			return static::$localCache[$this->cacheIdentifier];
231			}
232
233			/**
234			* Queries the database for the page record and returns it.
235			*
236			* @param int $uid Page id
237			* @throws PageNotFoundException
238			* @return array
239			*/
240			protected function getRecordArray($uid)
241			{
242			$currentCacheIdentifier = $this->getCacheIdentifier($uid);
243			if (!isset(self::$pageRecordCache[$currentCacheIdentifier])) {
244			$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('pages');
245			$queryBuilder->getRestrictions()->removeAll()->add(GeneralUtility::makeInstance(DeletedRestriction::class));
246			$row = $queryBuilder->select(...self::$rootlineFields)
247			->from('pages')
248			->where(
249			$queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($uid, \PDO::PARAM_INT))
250			)
251			->execute()
252			->fetch();
253			if (empty($row)) {
254			throw new PageNotFoundException('Could not fetch page data for uid ' . $uid . '.', 1343589451);
255			}
256			$this->pageRepository->versionOL('pages', $row, false, true);
257			$this->pageRepository->fixVersioningPid('pages', $row);
258			if (is_array($row)) {
259			if ($this->languageUid > 0) {
260			$row = $this->pageRepository->getPageOverlay($row, $this->languageUid);
261			}
262			$row = $this->enrichWithRelationFields($row['_PAGES_OVERLAY_UID'] ?? $uid, $row);
263			self::$pageRecordCache[$currentCacheIdentifier] = $row;
264			}
265			}
266			if (!is_array(self::$pageRecordCache[$currentCacheIdentifier])) {
267			throw new PageNotFoundException('Broken rootline. Could not resolve page with uid ' . $uid . '.', 1343464101);
268			}
269			return self::$pageRecordCache[$currentCacheIdentifier];
270			}
271
272			/**
273			* Resolve relations as defined in TCA and add them to the provided $pageRecord array.
274			*
275			* @param int $uid page ID
276			* @param array $pageRecord Page record (possibly overlaid) to be extended with relations
277			* @throws PagePropertyRelationNotFoundException
278			* @return array $pageRecord with additional relations
279			*/
280			protected function enrichWithRelationFields($uid, array $pageRecord)
281			{
282			$connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
283
284			// @todo Remove this special interpretation of relations by consequently using RelationHandler
285			foreach ($GLOBALS['TCA']['pages']['columns'] as $column => $configuration) {
286			// Ensure that only fields defined in $rootlineFields (and "addRootLineFields") are actually evaluated
287			if (array_key_exists($column, $pageRecord) && $this->columnHasRelationToResolve($configuration)) {
288			$configuration = $configuration['config'];
289			if ($configuration['MM']) {
290			/** @var \TYPO3\CMS\Core\Database\RelationHandler $loadDBGroup */
291			$loadDBGroup = GeneralUtility::makeInstance(RelationHandler::class);
292			$loadDBGroup->start(
293			$pageRecord[$column],
294			// @todo That depends on the type (group, select, inline)
295			$configuration['allowed'] ?? $configuration['foreign_table'],
296			$configuration['MM'],
297			$uid,
298			'pages',
299			$configuration
300			);
301			$relatedUids = $loadDBGroup->tableArray[$configuration['foreign_table']] ?? [];
302			} else {
303			// @todo The assumption is wrong, since group can be used without "MM", but having "allowed"
304			$table = $configuration['foreign_table'];
305
306			$queryBuilder = $connectionPool->getQueryBuilderForTable($table);
307			$queryBuilder->getRestrictions()->removeAll()
308			->add(GeneralUtility::makeInstance(DeletedRestriction::class))
309			->add(GeneralUtility::makeInstance(HiddenRestriction::class));
310			$queryBuilder->select('uid')
311			->from($table)
312			->where(
313			$queryBuilder->expr()->eq(
314			$configuration['foreign_field'],
315			$queryBuilder->createNamedParameter(
316			$uid,
317			\PDO::PARAM_INT
318			)
319			)
320			);
321
322			if (isset($configuration['foreign_match_fields']) && is_array($configuration['foreign_match_fields'])) {
323			foreach ($configuration['foreign_match_fields'] as $field => $value) {
324			$queryBuilder->andWhere(
325			$queryBuilder->expr()->eq(
326			$field,
327			$queryBuilder->createNamedParameter($value, \PDO::PARAM_STR)
328			)
329			);
330			}
331			}
332			if (isset($configuration['foreign_table_field'])) {
333			$queryBuilder->andWhere(
334			$queryBuilder->expr()->eq(
335			trim($configuration['foreign_table_field']),
336			$queryBuilder->createNamedParameter(
337			'pages',
338			\PDO::PARAM_STR
339			)
340			)
341			);
342			}
343			if (isset($configuration['foreign_sortby'])) {
344			$queryBuilder->orderBy($configuration['foreign_sortby']);
345			}
346			try {
347			$statement = $queryBuilder->execute();
348			} catch (DBALException $e) {
349			throw new PagePropertyRelationNotFoundException('Could to resolve related records for page ' . $uid . ' and foreign_table ' . htmlspecialchars($table), 1343589452);
350			}
351			$relatedUids = [];
352			while ($row = $statement->fetch()) {
353			$relatedUids[] = $row['uid'];
354			}
355			}
356			$pageRecord[$column] = implode(',', $relatedUids);
357			}
358			}
359			return $pageRecord;
360			}
361
362			/**
363			* Checks whether the TCA Configuration array of a column
364			* describes a relation which is not stored as CSV in the record
365			*
366			* @param array $configuration TCA configuration to check
367			* @return bool TRUE, if it describes a non-CSV relation
368			*/
369			protected function columnHasRelationToResolve(array $configuration)
370			{
371			$configuration = $configuration['config'] ?? null;
372			if (!empty($configuration['MM']) && !empty($configuration['type']) && in_array($configuration['type'], ['select', 'inline', 'group'])) {
373			return true;
374			}
375			if (!empty($configuration['foreign_field']) && !empty($configuration['type']) && in_array($configuration['type'], ['select', 'inline'])) {
376			return true;
377			}
378			return false;
379			}
380
381			/**
382			* Actual function to generate the rootline and cache it
383			*
384			* @throws CircularRootLineException
385			*/
386			protected function generateRootlineCache()
387			{
388			$page = $this->getRecordArray($this->pageUid);
389			// If the current page is a mounted (according to the MP parameter) handle the mount-point
390			if ($this->isMountedPage()) {
391			$mountPoint = $this->getRecordArray($this->parsedMountPointParameters[$this->pageUid]);
392			$page = $this->processMountedPage($page, $mountPoint);
393			$parentUid = $mountPoint['pid'];
394			// Anyhow after reaching the mount-point, we have to go up that rootline
395			unset($this->parsedMountPointParameters[$this->pageUid]);
396			} else {
397			$parentUid = $page['pid'];
398			}
399			$cacheTags = ['pageId_' . $page['uid']];
400			if ($parentUid > 0) {
401			// Get rootline of (and including) parent page
402			$mountPointParameter = !empty($this->parsedMountPointParameters) ? $this->mountPointParameter : '';
403			$rootline = GeneralUtility::makeInstance(self::class, $parentUid, $mountPointParameter, $this->context)->get();
404			// retrieve cache tags of parent rootline
405			foreach ($rootline as $entry) {
406			$cacheTags[] = 'pageId_' . $entry['uid'];
407			if ($entry['uid'] == $this->pageUid) {
408			throw new CircularRootLineException('Circular connection in rootline for page with uid ' . $this->pageUid . ' found. Check your mountpoint configuration.', 1343464103);
409			}
410			}
411			} else {
412			$rootline = [];
413			}
414			$rootline[] = $page;
415			krsort($rootline);
416			static::$cache->set($this->cacheIdentifier, $rootline, $cacheTags);
417			static::$localCache[$this->cacheIdentifier] = $rootline;
418			}
419
420			/**
421			* Checks whether the current Page is a Mounted Page
422			* (according to the MP-URL-Parameter)
423			*
424			* @return bool
425			*/
426			public function isMountedPage()
427			{
428			return array_key_exists($this->pageUid, $this->parsedMountPointParameters);
429			}
430
431			/**
432			* Enhances with mount point information or replaces the node if needed
433			*
434			* @param array $mountedPageData page record array of mounted page
435			* @param array $mountPointPageData page record array of mount point page
436			* @throws BrokenRootLineException
437			* @return array
438			*/
439			protected function processMountedPage(array $mountedPageData, array $mountPointPageData)
440			{
441			$mountPid = $mountPointPageData['mount_pid'] ?? null;
442			$uid = $mountedPageData['uid'] ?? null;
443			if ($mountPid != $uid) {
444			throw new BrokenRootLineException('Broken rootline. Mountpoint parameter does not match the actual rootline. mount_pid (' . $mountPid . ') does not match page uid (' . $uid . ').', 1343464100);
445			}
446			// Current page replaces the original mount-page
447			$mountUid = $mountPointPageData['uid'] ?? null;
448			if (!empty($mountPointPageData['mount_pid_ol'])) {
449			$mountedPageData['_MOUNT_OL'] = true;
450			$mountedPageData['_MOUNT_PAGE'] = [
451			'uid' => $mountUid,
452			'pid' => $mountPointPageData['pid'] ?? null,
453			'title' => $mountPointPageData['title'] ?? null
454			];
455			} else {
456			// The mount-page is not replaced, the mount-page itself has to be used
457			$mountedPageData = $mountPointPageData;
458			}
459			$mountedPageData['_MOUNTED_FROM'] = $this->pageUid;
460			$mountedPageData['_MP_PARAM'] = $this->pageUid . '-' . $mountUid;
461			return $mountedPageData;
462			}
463
464			/**
465			* Parse the MountPoint Parameters
466			* Splits the MP-Param via "," for several nested mountpoints
467			* and afterwords registers the mountpoint configurations
468			*/
469			protected function parseMountPointParameter()
470			{
471			$mountPoints = GeneralUtility::trimExplode(',', $this->mountPointParameter);
472			foreach ($mountPoints as $mP) {
473			[$mountedPageUid, $mountPageUid] = GeneralUtility::intExplode('-', $mP);
474			$this->parsedMountPointParameters[$mountedPageUid] = $mountPageUid;
475			}
476			}
477
478			/**
479			* Fetches the UID of the page, but if the page was moved in a workspace, actually returns the UID
480			* of the moved version in the workspace.
481			*
482			* @param int $pageId
483			* @return int
484			*/
485			protected function resolvePageId(int $pageId): int
486			{
487			if ($pageId === 0 \|\| $this->workspaceUid === 0) {
488			return $pageId;
489			}
490
491			$page = $this->resolvePageRecord($pageId);
492			if (!VersionState::cast($page['t3ver_state'])->equals(VersionState::MOVE_POINTER)) {
493			return $pageId;
494			}
495
496			$movePointerId = $this->resolveMovePointerId((int)$page['t3ver_oid']);
497			return $movePointerId ?: $pageId;
498			}
499
500			/**
501			* @param int $pageId
502			* @return array\|null
503			*/
504			protected function resolvePageRecord(int $pageId): ?array
505			{
506			$queryBuilder = $this->createQueryBuilder('pages');
507			$queryBuilder->getRestrictions()->removeAll()
508			->add(GeneralUtility::makeInstance(DeletedRestriction::class));
509
510			$statement = $queryBuilder
511			->from('pages')
512			->select('uid', 't3ver_oid', 't3ver_state')
513			->where(
514			$queryBuilder->expr()->eq(
515			'uid',
516			$queryBuilder->createNamedParameter($pageId, \PDO::PARAM_INT)
517			)
518			)
519			->setMaxResults(1)
520			->execute();
521
522			$record = $statement->fetch(FetchMode::ASSOCIATIVE);
523			return $record ?: null;
524			}
525
526			/**
527			* Fetched the UID of the versioned record if the live record has been moved in a workspace.
528			*
529			* @param int $liveId
530			* @return int\|null
531			*/
532			protected function resolveMovePointerId(int $liveId): ?int
533			{
534			$queryBuilder = $this->createQueryBuilder('pages');
535			$queryBuilder->getRestrictions()->removeAll()
536			->add(GeneralUtility::makeInstance(DeletedRestriction::class));
537
538			$statement = $queryBuilder
539			->from('pages')
540			->select('uid')
541			->setMaxResults(1)
542			->where(
543			$queryBuilder->expr()->eq(
544			't3ver_wsid',
545			$queryBuilder->createNamedParameter($this->workspaceUid, \PDO::PARAM_INT)
546			),
547			$queryBuilder->expr()->eq(
548			't3ver_state',
549			$queryBuilder->createNamedParameter(VersionState::MOVE_POINTER, \PDO::PARAM_INT)
550			),
551			$queryBuilder->expr()->eq(
552			't3ver_oid',
553			$queryBuilder->createNamedParameter($liveId, \PDO::PARAM_INT)
554			)
555			)
556			->execute();
557
558			$movePointerId = $statement->fetchColumn();
559			return $movePointerId ? (int)$movePointerId : null;
560			}
561
562			/**
563			* @param string $tableName
564			* @return QueryBuilder
565			*/
566			protected function createQueryBuilder(string $tableName): QueryBuilder
567			{
568			return GeneralUtility::makeInstance(ConnectionPool::class)
569			->getQueryBuilderForTable($tableName);
570			}
571			}
572

TYPO3 / TYPO3.CMS

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RootlineUtility::resolveMovePointerId() A

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