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<?php |
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/** |
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* @author Vermeulen Maxime <[email protected]> |
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* @version 2.0 |
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*/ |
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namespace BfwApi; |
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use \Exception; |
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/** |
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* Class for API system |
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* @package bfw-api |
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*/ |
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class BfwApi implements \SplObserver |
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{ |
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/** |
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* @const ERR_RUN_CLASS_NOT_FOUND : Error code if the class to run has |
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* not been found |
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*/ |
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const ERR_RUN_CLASS_NOT_FOUND = 2001001; |
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/** |
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* @const ERR_RUN_METHOD_NOT_FOUND : Error code if the method to run has |
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* not been found into the class |
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*/ |
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const ERR_RUN_METHOD_NOT_FOUND = 2001002; |
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/** |
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* @const ERR_RUN_MODE_NOT_DECLARED : Error code if no mode (rest/graphQL) |
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* is declared into config file |
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*/ |
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const ERR_RUN_MODE_NOT_DECLARED = 2001003; |
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/** |
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* @const ERR_CLASSNAME_NOT_DEFINE_FOR_URI : Error code if the class to use |
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* for current api route is not defined |
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*/ |
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const ERR_CLASSNAME_NOT_DEFINE_FOR_URI = 2001004; |
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/** |
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* @const ERR_RUN_REST_NOT_IMPLEMENT_INTERFACE : The class used for the |
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* route in Rest mode not implement the interface |
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*/ |
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const ERR_RUN_REST_NOT_IMPLEMENT_INTERFACE = 2001005; |
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/** |
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* @var \BFW\Module $module The bfw module instance for this module |
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*/ |
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protected $module; |
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/** |
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* @var \BFW\Config $config The bfw config instance for this module |
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*/ |
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protected $config; |
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/** |
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* @var \FastRoute\Dispatcher $dispatcher FastRoute dispatcher |
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*/ |
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protected $dispatcher; |
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/** |
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* @var \stdClass|null $ctrlRouterInfos The context object passed to |
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* subject for the action "searchRoute". |
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*/ |
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protected $ctrlRouterInfos; |
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/** |
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* @var string $execRouteSystemName The name of the current system. Used on |
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* event "execRoute". Allow to extends this class in another module :) |
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*/ |
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protected $execRouteSystemName = 'bfw-api'; |
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/** |
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* Constructor |
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* |
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* @param \BFW\Module $module |
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*/ |
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public function __construct(\BFW\Module $module) |
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{ |
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$this->module = $module; |
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$this->config = $module->getConfig(); |
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$this->dispatcher = \FastRoute\simpleDispatcher([ |
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$this, |
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'addRoutesToCollector' |
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]); |
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} |
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/** |
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* Getter accessor for module property |
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* |
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* @return \BFW\Module |
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*/ |
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public function getModule() |
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{ |
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return $this->module; |
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} |
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/** |
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* Getter accessor for config property |
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* |
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* @return \BFW\Config |
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*/ |
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public function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* Getter accessor for dispatcher property |
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* |
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* @return \FastRoute\Dispatcher |
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*/ |
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public function getDispatcher() |
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{ |
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return $this->dispatcher; |
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} |
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/** |
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* Getter accessor for ctrlRouterInfos property |
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* |
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* @return \stdClass |
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*/ |
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public function getCtrlRouterInfos() |
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{ |
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return $this->ctrlRouterInfos; |
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} |
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/** |
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* Getter accessor for execRouteSystemName property |
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* |
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* @return string |
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*/ |
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public function getExecRouteSystemName() |
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{ |
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return $this->execRouteSystemName; |
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} |
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/** |
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* Call by dispatcher; Add route in config to fastRoute router |
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* |
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* @param \FastRoute\RouteCollector $router FastRoute router |
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* |
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* @return void |
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*/ |
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public function addRoutesToCollector(\FastRoute\RouteCollector $router) |
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{ |
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$this->module->monolog->getLogger()->debug('Add all routes.'); |
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$urlPrefix = $this->config->getValue('urlPrefix', 'config.php'); |
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$routes = $this->config->getValue('routes', 'routes.php'); |
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foreach ($routes as $slug => $infos) { |
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$slug = trim($urlPrefix.$slug); |
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//Défault method |
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$method = ['GET', 'POST', 'PUT', 'DELETE']; |
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//If method is declared for the route |
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if (isset($infos['httpMethod'])) { |
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//Get the method ans remove it from httpMethod array |
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$method = $infos['httpMethod']; |
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unset($infos['httpMethod']); |
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} |
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$router->addRoute($method, $slug, $infos); |
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} |
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} |
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/** |
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* Observer update method |
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* |
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* @param \SplSubject $subject |
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* |
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* @return void |
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*/ |
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public function update(\SplSubject $subject) |
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{ |
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if ($subject->getAction() === 'bfw_ctrlRouterLink_subject_added') { |
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$this->module->monolog->getLogger() |
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->debug('Add observer to ctrlRouterLink subject'); |
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$app = \BFW\Application::getInstance(); |
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$app->getSubjectList() |
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->getSubjectForName('ctrlRouterLink') |
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->attach($this) |
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; |
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} elseif ($subject->getAction() === 'searchRoute') { |
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$this->obtainCtrlRouterInfos($subject); |
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if ($this->ctrlRouterInfos->isFound === false) { |
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$this->searchRoute(); |
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} |
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} elseif ($subject->getAction() === 'execRoute') { |
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if ( |
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$this->ctrlRouterInfos->isFound === true && |
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$this->ctrlRouterInfos->forWho === $this->execRouteSystemName |
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) { |
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$this->execRoute(); |
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} |
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} |
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} |
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/** |
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* Set the property ctrlRouterInfos with the context object obtain linked |
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* to the subject. |
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* Allow override to get only some part. And used for unit test. |
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* |
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* @param \BFW\Subject $subject |
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* |
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* @return void |
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*/ |
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protected function obtainCtrlRouterInfos($subject) |
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{ |
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$this->ctrlRouterInfos = $subject->getContext(); |
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} |
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/** |
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* Obtain the classname to use for current route from fastRoute dispatcher |
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* |
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* @return void |
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* |
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* @throw \Exception If no "className" is define in config for the route. |
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*/ |
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protected function searchRoute() |
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{ |
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//Get current request informations |
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$bfwRequest = \BFW\Request::getInstance(); |
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$request = $bfwRequest->getRequest()->path; |
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$method = $bfwRequest->getMethod(); |
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//Get route information from dispatcher |
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$routeInfo = $this->dispatcher->dispatch($method, $request); |
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$routeStatus = $routeInfo[0]; |
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$this->module |
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->monolog |
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->getLogger() |
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->debug( |
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'Search the current route into declared routes.', |
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[ |
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'request' => $request, |
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'method' => $method, |
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'status' => $routeStatus |
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] |
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); |
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//Get and send request http status to the controller/router linker |
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$httpStatus = $this->checkStatus($routeStatus); |
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if ($httpStatus === 404) { |
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//404 will be declared by \BFW\Application::runCtrlRouterLink() |
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return; |
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} |
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http_response_code($httpStatus); |
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$this->ctrlRouterInfos->isFound = true; |
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$this->ctrlRouterInfos->forWho = $this->execRouteSystemName; |
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if ($httpStatus !== 200) { |
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return; |
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} |
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global $_GET; |
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$_GET = array_merge($_GET, $routeInfo[2]); |
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if (!isset($routeInfo[1]['className'])) { |
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throw new Exception( |
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'className not define for uri '.$request, |
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self::ERR_CLASSNAME_NOT_DEFINE_FOR_URI |
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); |
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} |
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$this->ctrlRouterInfos->target = $routeInfo[1]['className']; |
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} |
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/** |
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* Get http status for response from dispatcher |
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* |
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* @param int $routeStatus : Route status send by dispatcher for request |
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* |
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* @return int |
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*/ |
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protected function checkStatus($routeStatus) |
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{ |
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$httpStatus = 200; |
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if ($routeStatus === \FastRoute\Dispatcher::METHOD_NOT_ALLOWED) { |
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$httpStatus = 405; |
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} elseif ($routeStatus === \FastRoute\Dispatcher::NOT_FOUND) { |
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$httpStatus = 404; |
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} |
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return $httpStatus; |
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} |
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/** |
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* |
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* |
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* @return void |
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*/ |
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protected function execRoute() |
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{ |
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$this->module |
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->monolog |
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->getLogger() |
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->debug( |
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'Execute current route.', |
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['target' => $this->ctrlRouterInfos->target] |
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); |
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$className = $this->ctrlRouterInfos->target; |
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if ($className === null) { |
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return; |
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} |
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318
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//Get current request informations |
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$bfwRequest = \BFW\Request::getInstance(); |
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$method = strtolower($bfwRequest->getMethod()); |
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322
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if (!class_exists($className)) { |
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throw new Exception( |
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'Class '.$className.' not found.', |
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self::ERR_RUN_CLASS_NOT_FOUND |
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); |
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} |
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if (!method_exists($className, $method.'Request')) { |
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throw new Exception( |
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'Method '.$method.'Request not found in class '.$className.'.', |
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self::ERR_RUN_METHOD_NOT_FOUND |
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); |
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} |
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$useRest = $this->config->getValue('useRest', 'config.php'); |
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$useGraphQL = $this->config->getValue('useGraphQL', 'config.php'); |
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338
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if ($useRest === true) { |
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return $this->runRest($className, $method); |
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} elseif ($useGraphQL === true) { |
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return $this->runGraphQL(); |
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} |
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344
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throw new Exception( |
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'Please choose between REST and GraphQL in config file.', |
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self::ERR_RUN_MODE_NOT_DECLARED |
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); |
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} |
349
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350
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/** |
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* Call the method for the current request for Rest api mode |
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* |
353
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* @param string $className The class name to use for the route |
354
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* @param string $method The method name to use (get/post/delete/put) |
355
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* |
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* @throws Exception If the interface is not implemented by the class |
357
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* |
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* @return void |
359
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*/ |
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protected function runRest($className, $method) |
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{ |
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$this->module->monolog->getLogger()->debug('Use REST system.'); |
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$api = new $className; |
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if ($api instanceof \BfwApi\RestInterface === false) { |
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throw new Exception( |
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'The class '.$className.' not implement \BfwApi\RestInterface', |
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self::ERR_RUN_REST_NOT_IMPLEMENT_INTERFACE |
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); |
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} |
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$api->{$method.'Request'}(); |
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} |
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/** |
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* Call the method for the current request for GraphQL api mode |
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* |
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* Not implemented yet |
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*/ |
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protected function runGraphQL() |
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{ |
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$this->module->monolog->getLogger()->debug('Use GraphQL system.'); |
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|
384
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//Not implement yet |
385
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http_response_code(501); |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: