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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of DivineNii opensource projects. |
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* |
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* PHP version 7.4 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2021 DivineNii (https://divinenii.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Rade\DI\Facade; |
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use PhpParser\BuilderFactory; |
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use PhpParser\Node\{ |
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Expr\StaticPropertyFetch, |
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Name, |
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Stmt\Declare_, |
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Stmt\DeclareDeclare, |
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Stmt\Return_, |
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UnionType |
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}; |
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use Psr\Container\ContainerInterface; |
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use Rade\DI\Builder\CodePrinter; |
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use Rade\DI\{ContainerBuilder, Definition}; |
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/** |
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* A Proxy manager for implementing laravel like facade system. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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class FacadeProxy |
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{ |
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private ContainerInterface $container; |
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/** @var array<string,string> */ |
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private array $proxies = []; |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* Register(s) service{s) found in container as shared proxy facade(s). |
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*/ |
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public function proxy(string ...$services): void |
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{ |
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foreach ($services as $service) { |
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$id = \str_replace(['.', '_', '\\'], '', \lcfirst(\ucwords($service, '._'))); |
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if (!$this->container instanceof ContainerBuilder) { |
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Facade::$proxies[$id] = $service; |
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continue; |
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} |
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$this->proxies[$id] = $service; |
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} |
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} |
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/** |
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* This build method works with container builder. |
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* |
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* @param string $className for compiled facade class |
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*/ |
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public function build(string $className = 'Facade'): ?string |
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{ |
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/** @var ContainerBuilder */ |
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$container = $this->container; |
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if ([] !== $proxiedServices = $this->proxies) { |
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$astNodes = []; |
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$builder = $container->getBuilder(); |
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\ksort($proxiedServices); |
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$astNodes[] = new Declare_([new DeclareDeclare('strict_types', $builder->val(1))]); |
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$classNode = $builder->class($className)->extend('\Rade\DI\Facade\Facade')->setDocComment(CodePrinter::COMMENT); |
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$classNode->addStmts($this->resolveProxies($container, $builder, $proxiedServices)); |
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$astNodes[] = $classNode->getNode(); |
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return CodePrinter::print($astNodes); |
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} |
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return null; |
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} |
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/** |
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* This method resolves the proxies from container builder. |
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* |
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* @param string[] $proxiedServices |
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* |
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* @return \PhpParser\Builder\Method[] |
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*/ |
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protected function resolveProxies(ContainerBuilder $container, BuilderFactory $builder, array $proxiedServices): array |
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{ |
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$builtProxies = []; |
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foreach ($proxiedServices as $method => $proxy) { |
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if (!$container->has($proxy)) { |
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continue; |
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} |
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$definition = $container->service($proxy); |
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$proxyNode = $builder->method($method)->makePublic()->makeStatic(); |
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if ($definition instanceof Definition) { |
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if (!$definition->isPublic()) { |
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continue; |
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} |
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if (!empty($type = $definition->getType())) { |
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$proxyNode->setReturnType(\is_array($type) ? new UnionType(\array_map(fn ($type) => new Name($type), $type)) : $type); |
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} |
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} |
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$body = $builder->methodCall(new StaticPropertyFetch(new Name('self'), 'container'), 'get', [$proxy]); |
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$builtProxies[] = $proxyNode->addStmt(new Return_($body)); |
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} |
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return $builtProxies; |
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} |
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} |
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divineniiquaye /
rade-di
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