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| 1 | +<?php |
| 2 | + |
| 3 | +namespace Tochka\JsonRpc\Standard\Support; |
| 4 | + |
| 5 | +use Illuminate\Container\Container; |
| 6 | +use Tochka\JsonRpc\Standard\Contracts\MiddlewareInterface; |
| 7 | +use Tochka\JsonRpc\Standard\Contracts\MiddlewareRegistryInterface; |
| 8 | +use Tochka\JsonRpc\Standard\Exceptions\InternalErrorException; |
| 9 | + |
| 10 | +/** |
| 11 | + * @psalm-api |
| 12 | + */ |
| 13 | +class MiddlewareRegistry implements MiddlewareRegistryInterface |
| 14 | +{ |
| 15 | + /** @var array<string, array<MiddlewareInterface>> */ |
| 16 | + private array $middleware = []; |
| 17 | + private Container $container; |
| 18 | + |
| 19 | + /** |
| 20 | + * @psalm-suppress PossiblyUnusedMethod |
| 21 | + */ |
| 22 | + public function __construct(Container $container) |
| 23 | + { |
| 24 | + $this->container = $container; |
| 25 | + } |
| 26 | + |
| 27 | + public function addMiddlewaresFromConfig(string $groupName, array $middlewareConfig): void |
| 28 | + { |
| 29 | + /** @psalm-suppress MixedAssignment */ |
| 30 | + foreach ($middlewareConfig as $key => $value) { |
| 31 | + if (is_string($value)) { |
| 32 | + $this->middleware[$groupName][] = $this->instantiateMiddleware($value); |
| 33 | + } elseif (is_string($key) && is_array($value)) { |
| 34 | + $this->middleware[$groupName][] = $this->instantiateMiddleware($key, $value); |
| 35 | + } |
| 36 | + } |
| 37 | + } |
| 38 | + |
| 39 | + public function getMiddleware(string $groupName, ?string $instanceOf = null): array |
| 40 | + { |
| 41 | + if (!array_key_exists($groupName, $this->middleware)) { |
| 42 | + return []; |
| 43 | + } |
| 44 | + |
| 45 | + if ($instanceOf === null) { |
| 46 | + return $this->middleware[$groupName]; |
| 47 | + } |
| 48 | + |
| 49 | + return array_filter( |
| 50 | + $this->middleware[$groupName], |
| 51 | + function (MiddlewareInterface $middleware) use ($instanceOf) { |
| 52 | + return $middleware instanceof $instanceOf; |
| 53 | + } |
| 54 | + ); |
| 55 | + } |
| 56 | + |
| 57 | + public function prependMiddleware(MiddlewareInterface $middleware, ?string $groupName = null): void |
| 58 | + { |
| 59 | + if ($groupName === null) { |
| 60 | + foreach ($this->middleware as $groupName => $_) { |
| 61 | + $this->prependMiddleware($middleware, $groupName); |
| 62 | + } |
| 63 | + } else { |
| 64 | + array_unshift($this->middleware[$groupName], $middleware); |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + public function appendMiddleware(MiddlewareInterface $middleware, ?string $groupName = null): void |
| 69 | + { |
| 70 | + if ($groupName === null) { |
| 71 | + foreach ($this->middleware as $groupName => $_) { |
| 72 | + $this->appendMiddleware($middleware, $groupName); |
| 73 | + } |
| 74 | + } else { |
| 75 | + $this->middleware[$groupName][] = $middleware; |
| 76 | + } |
| 77 | + } |
| 78 | + |
| 79 | + public function addMiddlewareAfter( |
| 80 | + MiddlewareInterface $middleware, |
| 81 | + string $afterMiddleware, |
| 82 | + ?string $groupName = null |
| 83 | + ): void { |
| 84 | + if ($groupName === null) { |
| 85 | + foreach ($this->middleware as $groupName => $_) { |
| 86 | + $this->addMiddlewareAfter($middleware, $afterMiddleware, $groupName); |
| 87 | + } |
| 88 | + } else { |
| 89 | + $resultedMiddleware = []; |
| 90 | + $find = false; |
| 91 | + |
| 92 | + foreach ($this->middleware[$groupName] as $middlewareInstance) { |
| 93 | + $resultedMiddleware[] = $middlewareInstance; |
| 94 | + if ($middlewareInstance::class === $afterMiddleware) { |
| 95 | + $find = true; |
| 96 | + $resultedMiddleware[] = $middleware; |
| 97 | + } |
| 98 | + } |
| 99 | + |
| 100 | + if ($find) { |
| 101 | + $this->middleware[$groupName] = $resultedMiddleware; |
| 102 | + } else { |
| 103 | + $this->appendMiddleware($middleware, $groupName); |
| 104 | + } |
| 105 | + } |
| 106 | + } |
| 107 | + |
| 108 | + public function addMiddlewareBefore( |
| 109 | + MiddlewareInterface $middleware, |
| 110 | + string $beforeMiddleware, |
| 111 | + ?string $groupName = null |
| 112 | + ): void { |
| 113 | + if ($groupName === null) { |
| 114 | + foreach ($this->middleware as $groupName => $_) { |
| 115 | + $this->addMiddlewareBefore($middleware, $beforeMiddleware, $groupName); |
| 116 | + } |
| 117 | + } else { |
| 118 | + $resultedMiddleware = []; |
| 119 | + $find = false; |
| 120 | + |
| 121 | + foreach ($this->middleware[$groupName] as $middlewareInstance) { |
| 122 | + if (get_class($middlewareInstance) === $beforeMiddleware) { |
| 123 | + $find = true; |
| 124 | + $resultedMiddleware[] = $middleware; |
| 125 | + } |
| 126 | + |
| 127 | + $resultedMiddleware[] = $middlewareInstance; |
| 128 | + } |
| 129 | + |
| 130 | + if ($find) { |
| 131 | + $this->middleware[$groupName] = $resultedMiddleware; |
| 132 | + } else { |
| 133 | + $this->prependMiddleware($middleware, $groupName); |
| 134 | + } |
| 135 | + } |
| 136 | + } |
| 137 | + |
| 138 | + private function instantiateMiddleware(string $className, array $params = []): MiddlewareInterface |
| 139 | + { |
| 140 | + try { |
| 141 | + $instance = $this->container->make($className, $params); |
| 142 | + |
| 143 | + if (!$instance instanceof MiddlewareInterface) { |
| 144 | + throw new \RuntimeException( |
| 145 | + sprintf('Middleware [%s] must implement [%s]', $className, MiddlewareInterface::class) |
| 146 | + ); |
| 147 | + } |
| 148 | + |
| 149 | + return $instance; |
| 150 | + } catch (\Throwable $e) { |
| 151 | + throw InternalErrorException::from($e); |
| 152 | + } |
| 153 | + } |
| 154 | +} |
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