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<?php |
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namespace CoffeeCode\Router; |
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trait MiddlewareTrait |
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{ |
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/** @var array */ |
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protected $middlewares = []; |
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/** @var array */ |
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protected $currentRoute; |
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/** @var array */ |
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protected $queue; |
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/** @var int = 0 */ |
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protected $currentQueueNumber = 0; |
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/** |
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* @var array $middlewares |
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* @return self |
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*/ |
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public function setMiddlewares(Array $middlewares) |
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{ |
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$this->middlewares = $middlewares; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getCurrentMiddlewares() |
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{ |
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if (!isset($this->currentRoute['middlewares'])) return; |
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return $this->currentRoute['middlewares']; |
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} |
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/** |
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* @param array $route |
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*/ |
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protected function setCurrentRoute(Array $route): void |
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{ |
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$this->currentRoute = $route; |
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} |
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/** |
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* @return mixed|bool |
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*/ |
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protected function resolveMiddleware() |
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{ |
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$middlewares = $this->currentRoute['middleware']; |
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if (is_string($middlewares)) { |
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$middlewares = explode(',', $middlewares); |
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} |
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$this->resolveNestedMiddleware($middlewares); |
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return $this->callMiddlewares(); |
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} |
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/** |
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* @param array $middlewares |
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*/ |
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protected function resolveNestedMiddleware(Array $middlewares): void |
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{ |
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$this->queue = array_map(function($middleware) { |
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$middleware = trim(rtrim($middleware)); |
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return $this->instanceMiddleware($middleware); |
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}, $middlewares); |
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} |
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/** |
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* @param string $alias |
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* @return null|string |
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*/ |
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public function getMiddlewareByAlias(String $alias) |
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{ |
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if (!array_key_exists($alias, $this->middlewares)) { |
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return; |
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} |
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if (class_exists($this->middlewares[$alias])) { |
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return $this->middlewares[$alias]; |
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} |
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return; |
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} |
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/** |
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* @param string |
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* @return null|object |
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*/ |
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protected function instanceMiddleware($middleware) |
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{ |
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if (!preg_match("/\\\/", $middleware)) { |
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if(!$middlewareClass = $this->getMiddlewareByAlias($middleware)) return; |
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return new $middlewareClass(); |
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} |
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if (class_exists($middleware)) { |
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return new $middleware(); |
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} |
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return; |
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} |
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/** |
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* @return mixed|bool |
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*/ |
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protected function next() |
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{ |
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$this->currentQueueNumber++; |
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return $this->callMiddlewares(); |
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} |
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/** |
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* @return void |
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*/ |
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protected function reset() |
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{ |
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$this->currentQueueNumber = 0; |
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} |
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/** |
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* @return mixed|bool |
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*/ |
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protected function callMiddlewares() |
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{ |
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if (!isset($this->queue[$this->currentQueueNumber])) { |
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$this->reset(); |
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return true; |
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} |
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$currentMiddleware = $this->queue[$this->currentQueueNumber]; |
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if (is_null($currentMiddleware) || empty($currentMiddleware)) { |
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return $this->next(); |
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} |
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return $currentMiddleware->handle( |
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$this->currentRoute['data'], |
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fn() => $this->next() |
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); |
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} |
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} |
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robsonvleite /
router
