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<?php |
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namespace DrMVC\Framework; |
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use DrMVC\Router\MethodsInterface; |
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use Zend\Diactoros\ServerRequestFactory; |
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use Zend\Diactoros\ServerRequest; |
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use Zend\Diactoros\Response; |
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use DrMVC\Config\ConfigInterface; |
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use DrMVC\Router\Router; |
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use DrMVC\Controllers\Error; |
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/** |
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* Class App |
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* @package DrMVC\Framework |
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* @method App options(string $pattern, callable $callable): App |
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* @method App get(string $pattern, callable $callable): App |
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* @method App head(string $pattern, callable $callable): App |
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* @method App post(string $pattern, callable $callable): App |
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* @method App put(string $pattern, callable $callable): App |
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* @method App delete(string $pattern, callable $callable): App |
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* @method App trace(string $pattern, callable $callable): App |
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* @method App connect(string $pattern, callable $callable): App |
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* @since 3.0 |
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*/ |
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class App implements AppInterface |
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{ |
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const DEFAULT_ACTION = 'index'; |
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/** |
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* @var ContainersInterface |
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*/ |
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private $_containers; |
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/** |
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* App constructor. |
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* @param ConfigInterface $config |
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*/ |
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public function __construct(ConfigInterface $config) |
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{ |
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// Initiate PSR-11 containers |
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$this->initContainers(); |
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// Save configuration |
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$this->initConfig($config); |
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// Initiate router |
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$this |
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->initRequest() |
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->initResponse() |
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->initRouter(); |
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} |
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/** |
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* Initialize containers object |
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* |
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* @return App |
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*/ |
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private function initContainers(): App |
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{ |
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if (null === $this->_containers) { |
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$this->_containers = new Containers(); |
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} |
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return $this; |
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} |
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/** |
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* Put config object into the containers class |
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* |
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* @param ConfigInterface $config |
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* @return App |
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*/ |
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private function initConfig(ConfigInterface $config): App |
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{ |
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$this->containers()->set('config', $config); |
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return $this; |
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} |
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/** |
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* Initiate PSR-7 request object |
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* |
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* @return App |
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*/ |
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private function initRequest(): App |
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{ |
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try { |
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$request = ServerRequestFactory::fromGlobals(); |
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$this->containers()->set('request', $request); |
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} catch (\InvalidArgumentException $e) { |
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new Exception($e); |
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} |
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return $this; |
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} |
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/** |
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* Initiate PSR-7 response object |
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* |
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* @return App |
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*/ |
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private function initResponse(): App |
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{ |
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try { |
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$response = new Response(); |
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$this->containers()->set('response', $response); |
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} catch (\InvalidArgumentException $e) { |
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new Exception($e); |
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} |
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return $this; |
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} |
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/** |
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* Put route into the container of classes |
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* |
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* @return App |
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*/ |
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private function initRouter(): App |
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{ |
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$request = $this->container('request'); |
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$response = $this->container('response'); |
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$router = new Router($request, $response); |
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//$router->setError(Error::class); |
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$this->containers()->set('router', $router); |
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return $this; |
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} |
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/** |
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* Get custom container by name |
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* |
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* @param string $name |
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* @return mixed |
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*/ |
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public function container(string $name) |
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{ |
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return $this->_containers->get($name); |
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} |
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/** |
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* Get all available containers |
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* |
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* @return ContainersInterface |
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*/ |
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public function containers(): ContainersInterface |
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{ |
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return $this->_containers; |
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} |
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/** |
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* Magic method for work with calls |
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* |
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* @param string $method |
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* @param array $args |
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* @return MethodsInterface |
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*/ |
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public function __call(string $method, array $args): MethodsInterface |
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{ |
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if (\in_array($method, Router::METHODS, false)) { |
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$this->container('router')->set([$method], $args); |
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} |
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return $this; |
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} |
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/** |
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* If any route is provided |
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* |
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* @param string $pattern |
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* @param callable|string $callable |
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* @return MethodsInterface |
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*/ |
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public function any(string $pattern, $callable): MethodsInterface |
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{ |
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$this->container('router')->any($pattern, $callable); |
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return $this; |
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} |
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/** |
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* Set the error callback of class |
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* |
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* @param callable|string $callable |
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* @return MethodsInterface |
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*/ |
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public function error($callable): MethodsInterface |
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{ |
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$this->container('router')->error($callable); |
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return $this; |
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} |
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/** |
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* Few methods provided |
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* |
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* @param array $methods |
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* @param string $pattern |
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* @param callable|string $callable |
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* @return MethodsInterface |
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*/ |
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public function map(array $methods, string $pattern, $callable): MethodsInterface |
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{ |
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$this->container('router')->map($methods, $pattern, $callable); |
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return $this; |
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} |
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/** |
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* Detect action by string name, variable or use default |
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* |
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* @param string $className - eg. MyApp\Index:test |
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* @param array $variables |
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* @return string |
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*/ |
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private function detectAction(string $className, array $variables = []): string |
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{ |
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// If class contain method name |
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if (strpos($className, ':') !== false) { |
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$classArray = explode(':', $className); |
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$classAction = end($classArray); |
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} else { |
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$classAction = null; |
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} |
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/* |
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* Detect what action should be initiated |
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* |
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* Priorities: |
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* 1. If action name in variables |
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* 2. Action name in line with class name eg. MyApp\Index:test - test here is `action_test` alias |
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* 3. Default action is index - action_index in result |
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*/ |
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$action = self::DEFAULT_ACTION; |
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if (null !== $classAction) { |
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$action = $classAction; |
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} |
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if (isset($variables['action'][0])) { |
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$action = $variables['action'][0]; |
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} |
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return 'action_' . $action; |
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} |
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/** |
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* Simple runner should parse query and make work on user's class |
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* |
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* @return mixed |
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*/ |
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public function run() |
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{ |
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// Extract some important objects |
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$router = $this->container('router'); |
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$request = $this->container('request'); |
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$response = $this->container('response'); |
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// Get current matched route with and extract variables with callback |
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$route = $router->getRoute(); |
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$variables = $route->getVariables(); |
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$callback = $route->getCallback(); |
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// If extracted call back is string |
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if (\is_string($callback)) { |
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// Then class provided |
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$class = new $callback(); |
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$action = $this->detectAction($callback, $variables); |
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// TODO: crapcode, rewrite to exceptions |
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// If method not found in required class |
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if (!\method_exists($class, $action)) { |
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// Replace route object to error route |
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$route = $router->getError(); |
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$variables = $route->getVariables(); |
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$callback = $route->getCallback(); |
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// If extracted call back is string |
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if (\is_string($callback)) { |
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// Then class provided |
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$class = new $callback(); |
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$action = $this->detectAction($callback); |
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// Call required action, with request/response |
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$class->$action($request, $response, $variables); |
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} else { |
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// Else simple callback |
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$callback($request, $response, $variables); |
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} |
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return $response->getBody(); |
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} |
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// Call required action, with request/response |
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$class->$action($request, $response, $variables); |
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} else { |
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// Else simple callback |
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$callback($request, $response, $variables); |
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} |
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return $response->getBody(); |
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} |
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} |
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