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<?php |
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namespace Jenky\Hermes\Concerns; |
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use GuzzleHttp\HandlerStack; |
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use Illuminate\Support\Str; |
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use Jenky\Hermes\LazyEvaluation; |
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trait InteractsWithConfiguration |
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{ |
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/** |
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* Make the Guzzle client options from config. |
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* |
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* @param array $config |
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* @return array |
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*/ |
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public function makeClientOptions(array $config) |
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{ |
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$options = $config['options'] ?? []; |
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$options['handler'] = $options['handler'] ?? $this->createHandler($config); |
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return $options; |
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} |
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/** |
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* Create the client handler stack instance. |
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* |
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* @param array $config |
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* @return \GuzzleHttp\HandlerStack |
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*/ |
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public function createHandler(array $config = []) |
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{ |
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return $this->prepareHandler( |
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HandlerStack::create($this->handler($config)), $config |
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); |
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} |
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/** |
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* Get the handle stack's handler instance. |
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* |
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* @param array $config |
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* @return mixed |
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*/ |
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public function handler(array $config) |
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{ |
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if (empty($config['handler'])) { |
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return; |
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} |
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$factory = is_callable($handler = $config['handler']) |
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? $handler |
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: $this->app->make($handler, $config['with'] ?? []); |
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return $factory($config); |
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} |
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/** |
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* Prepare handler stack for usage by Guzzle client. |
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* |
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* @param \GuzzleHttp\HandlerStack $handler |
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* @param array $config |
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* @return \GuzzleHttp\HandlerStack |
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*/ |
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protected function prepareHandler(HandlerStack $handler, array $config = []) |
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{ |
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foreach ($this->middleware($config) as [$middleware, $name]) { |
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$handler->push($middleware, $name); |
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} |
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return $this->tap($handler, $config); |
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} |
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/** |
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* Apply the configured taps for the handle stack. |
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* |
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* @param \GuzzleHttp\HandlerStack $handler |
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* @param array $config |
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* @return \GuzzleHttp\HandlerStack |
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*/ |
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protected function tap(HandlerStack $handler, array $config = []) |
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{ |
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foreach ($config['tap'] ?? [] as $tap) { |
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[$class, $arguments] = $this->parseTap($tap); |
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$this->app->make($class)->__invoke( |
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$handler, ...array_filter(explode(',', $arguments)) |
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); |
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} |
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return $handler; |
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} |
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/** |
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* Parse the given tap class string into a class name and arguments string. |
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* |
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* @param string $tap |
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* @return array |
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*/ |
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protected function parseTap($tap) |
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{ |
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return Str::contains($tap, ':') ? explode(':', $tap, 2) : [$tap, '']; |
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} |
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/** |
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* Parse the given class string into a class name and arguments array. |
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* |
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* @param mixed $key |
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* @param mixed $value |
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* @return array |
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*/ |
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protected function parseClassAndArguments($key, $value) |
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{ |
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if (is_string($key) && is_array($value)) { |
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return [$key, $value]; |
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} |
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return [$value, []]; |
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} |
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/** |
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* Get all middleware that will be pushed to handle stack instance. |
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* |
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* @param array $config |
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* @return array |
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*/ |
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public function middleware(array $config) |
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{ |
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$middleware = []; |
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foreach (array_merge($config['middleware'] ?? [], $config['interceptors'] ?? []) as $key => $value) { |
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$middleware[] = $this->parseMiddleware($key, $value); |
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} |
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return $middleware; |
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} |
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/** |
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* Parse the given middleware and create middleware instance with it's parameters. |
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* |
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* @param mixed $key |
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* @param mixed $value |
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* @return array |
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*/ |
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protected function parseMiddleware($key, $value) |
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{ |
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$name = is_numeric($key) ? '' : $key; |
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if (is_callable($value)) { |
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// $value = $this->isLazyEvaluable($value) ? $this->app->call($value) : $value; |
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$value = $this->isLazyEvaluable($value) ? $value() : $value; |
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return [$value, $name]; |
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} |
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[$class, $arguments] = $this->parseClassAndArguments($key, $value); |
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return [$this->app->make($class, $arguments), $class]; |
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} |
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/** |
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* Determine if the callable is lazy evaluated. |
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* |
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* @return bool |
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*/ |
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protected function isLazyEvaluable(callable $callable) |
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{ |
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return $callable instanceof LazyEvaluation; |
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} |
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} |
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jenky /
hermes
