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<?php |
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namespace suda\application\processor; |
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use suda\application\Application; |
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use suda\framework\Request; |
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use suda\framework\Response; |
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use suda\framework\runnable\Runnable; |
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class RunnableRequestProcessor implements RequestProcessor |
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{ |
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/** |
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* @var string[]|null |
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*/ |
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protected $runnable = null; |
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/** |
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* @param Application $application |
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* @param Request $request |
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* @param Response $response |
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* @return mixed |
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*/ |
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public function onRequest(Application $application, Request $request, Response $response) |
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{ |
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$runnable = $this->getNextRunnable($application, $request); |
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if ($runnable === null) { |
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return null; |
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} |
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return $runnable($application, $request, $response, $this); |
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} |
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/** |
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* @param Application $application |
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* @param Request $request |
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* @return Runnable|null |
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*/ |
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protected function getNextRunnable(Application $application, Request $request) |
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{ |
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$runnable = $this->getNextRunnableFromChain($application, $request); |
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if ($runnable === null) { |
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return null; |
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} |
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return new Runnable($runnable); |
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} |
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/** |
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* @param Application $application |
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* @param Request $request |
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* @return string|null |
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*/ |
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protected function getNextRunnableFromChain(Application $application, Request $request) |
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{ |
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if ($this->runnable === null) { |
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$this->runnable = $this->createRunnable($application, $request); |
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} |
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if (count($this->runnable) === 0) { |
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return null; |
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} |
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return array_shift($this->runnable); |
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} |
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/** |
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* @param Application $application |
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* @param Request $request |
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* @return array |
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*/ |
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protected function createRunnable(Application $application, Request $request) |
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{ |
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$class = $application->getConfig()->get('processor', []); |
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$processor = $this->formatClassAsRunnable($class); |
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$runnable = $this->createChainFromRequest($request); |
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return array_merge($processor, $runnable); |
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} |
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/** |
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* @param Request $request |
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* @return array |
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*/ |
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protected function createChainFromRequest(Request $request) |
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{ |
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$runnable = $request->getAttribute('runnable'); |
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if (is_string($runnable)) { |
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return [$runnable]; |
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} |
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if (is_array($runnable)) { |
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return $runnable; |
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} |
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$class = $request->getAttribute('class', []); |
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return $this->formatClassAsRunnable($class); |
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} |
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/** |
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* @param string|array $class |
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* @return array |
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*/ |
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private function formatClassAsRunnable($class) |
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{ |
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if (is_string($class)) { |
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$class = [$class]; |
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} |
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foreach ($class as $index => $className) { |
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$class[$index] = $this->className($className) . '->onRequest'; |
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} |
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return $class; |
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} |
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/** |
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* 转换类名 |
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* |
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* @param string $name |
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* @return string |
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*/ |
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private function className(string $name) |
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{ |
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return trim(str_replace(['.', '/'], '\\', $name), '\\'); |
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} |
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} |
dxkite /
suda
