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<?php |
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namespace Digia\GraphQL\Error\Handler; |
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use Digia\GraphQL\Execution\ExecutionContext; |
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use Digia\GraphQL\Execution\ExecutionException; |
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class ErrorHandler implements ErrorHandlerInterface |
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{ |
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/** |
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* @var ErrorMiddlewareInterface[] |
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*/ |
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protected $middleware = []; |
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/** |
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* ErrorHandler constructor. |
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* @param ErrorMiddlewareInterface[] $middleware |
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*/ |
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public function __construct(array $middleware) |
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{ |
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foreach ($middleware as $mw) { |
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$this->addMiddleware($mw); |
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} |
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} |
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/** |
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* @param \Throwable $exception |
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*/ |
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public function handleError(\Throwable $exception) |
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{ |
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$next = function () { |
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// NO-OP |
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}; |
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foreach ($this->middleware as $middleware) { |
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$next = function (\Throwable $exception) use ($middleware, $next) { |
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return $middleware->handleError($exception, $next); |
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}; |
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} |
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\call_user_func($next, $exception); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function handleExecutionError(ExecutionException $exception, ExecutionContext $context) |
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{ |
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$next = function () { |
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// NO-OP |
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}; |
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foreach ($this->middleware as $middleware) { |
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$next = function (ExecutionException $exception, ExecutionContext $context) use ($middleware, $next) { |
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return $middleware->handleExecutionError($exception, $context, $next); |
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}; |
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} |
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\call_user_func($next, $exception, $context); |
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} |
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/** |
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* @param ErrorMiddlewareInterface $middleware |
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*/ |
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protected function addMiddleware(ErrorMiddlewareInterface $middleware) |
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{ |
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\array_unshift($this->middleware, $middleware); |
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} |
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} |
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digiaonline /
graphql-php
