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cms-core/Classes/Schema/TcaSchemaFactory.php
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3.9 KiB
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<?php
declare(strict_types=1);
/*
* 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\Schema;
use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
use Symfony\Component\DependencyInjection\Attribute\Autowire;
use TYPO3\CMS\Core\Attribute\AsEventListener;
use TYPO3\CMS\Core\Cache\Event\CacheWarmupEvent;
use TYPO3\CMS\Core\Cache\Frontend\PhpFrontend;
use TYPO3\CMS\Core\Schema\Exception\UndefinedSchemaException;
/**
* This factory returns an object representation of $GLOBALS['TCA']. It is injectable and built during bootstrap.
*
* A TcaSchema contains:
* - a list of all fields as defined in [columns]
* - a list of "capabilities" (parts defined in the [ctrl] section)
* - a list of sub-schemata (if there is a [ctrl][type] definition, then sub-schemata are instances of TcaSchema itself again)
* - a list of possible relations of other schemata pointing to this schema ("Passive Relations")
*/
#[Autoconfigure(public: true, shared: true)]
class TcaSchemaFactory
{
protected SchemaCollection $schemata;
public function __construct(
protected readonly TcaSchemaBuilder $schemaBuilder,
#[Autowire(expression: 'service("package-dependent-cache-identifier").withPrefix("TcaSchema").toString()')]
protected readonly string $cacheIdentifier,
#[Autowire(service: 'cache.core')]
protected readonly PhpFrontend $cache,
) {
$this->schemata = new SchemaCollection([]);
}
/**
* Get a schema from the loaded TCA. Ensure to check for a schema with ->has() before
* calling ->get().
* @throws UndefinedSchemaException
*/
public function get(string $schemaName): TcaSchema
{
return $this->schemata->get($schemaName);
}
/**
* Checks if a schema exists, does not build the schema if not needed, thus it's very slim
* and only creates a schema if a sub-schema is requested.
*/
public function has(string $schemaName): bool
{
return $this->schemata->has($schemaName);
}
/**
* Returns all main schemata
*
* @return SchemaCollection<string, TcaSchema>
*/
public function all(): SchemaCollection
{
return $this->schemata;
}
/**
* Only used for functional tests, which override TCA on the fly for specific test cases.
* Modifying TCA other than in Configuration/TCA/Overrides must be avoided in production code.
*
* @internal only used for TYPO3 Core internally, never use it in public!
*/
public function rebuild(array $fullTca): void
{
$this->schemata = $this->schemaBuilder->buildFromStructure($fullTca);
}
/**
* Load TCA and populate all schema - throws away existing schema if $force is set.
*
* @internal only used for TYPO3 Core internally, never use it in public!
*/
public function load(array $tca, bool $force = false): void
{
if (!$force && $this->schemata->count() > 0) {
return;
}
if (!$force && $this->cache->has($this->cacheIdentifier)) {
$this->schemata = $this->cache->require($this->cacheIdentifier);
return;
}
$this->rebuild($tca);
$this->cache->set($this->cacheIdentifier, 'return ' . var_export($this->schemata, true) . ';');
}
#[AsEventListener('typo3-core/tca-schema')]
public function warmupCaches(CacheWarmupEvent $event): void
{
if ($event->hasGroup('system')) {
$this->schemata = new SchemaCollection([]);
$this->load($GLOBALS['TCA'], true);
}
}
}