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<?php |
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namespace rAPId\Routing; |
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use rAPId\Exceptions\MissingControllerException; |
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use rAPId\Foundation\Response; |
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use ReflectionMethod; |
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class Router |
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{ |
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/** |
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* @param $url |
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* |
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* @return Response |
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* @throws MissingControllerException |
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*/ |
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public static function resolve($url) { |
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$route = Route::parse($url); |
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$controller = $route->getController(); |
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$action = $route->getAction(); |
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$args = self::getMethodSpecificArgs($route); |
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$controller = new $controller(); |
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if (empty($controller)) { |
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throw new MissingControllerException("Call Failed to [$url]. Make sure your DEFAULT_CONTROLLER is set", 1); |
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} |
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$response = $controller->{$action}(...$args); |
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return new Response($response); |
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} |
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/** |
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* Returns an array of arguments |
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* in the order that they are to be called in the controller method |
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* |
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* @param Route $route |
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* |
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* @return array $args |
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*/ |
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private static function getMethodSpecificArgs(Route $route) { |
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$parameters = self::getControllerMethodParameters($route->getController(), $route->getAction()); |
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$route_args = $route->getArgs(); // Args from the url ie www.your-site.com/controller/method/arg1/arg2 |
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$request_args = self::getRequestArgs(); // GET or POST request args |
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$ordered_arguments = []; |
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// Iterate through each of the accepted parameters for the controller |
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foreach ($parameters as $parameter) { |
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// Get value from request args, or fallback to default if one exists in the function definition |
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$value = array_get($request_args, $parameter->name, self::getDefaultParameterValue($parameter)); |
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// If there were no request args for this parameter, |
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// use the next available route arg (if one exists) |
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if (!array_key_exists($parameter->name, $request_args) && count($route_args) > 0) { |
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$value = array_shift($route_args); |
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} |
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$ordered_arguments[] = $value; |
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} |
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return $ordered_arguments; |
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} |
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private static function getDefaultParameterValue(\ReflectionParameter $parameter) { |
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return $parameter->isDefaultValueAvailable() ? $parameter->getDefaultValue() : null; |
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} |
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/** |
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* @param string $controller |
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* @param string $method |
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* |
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* @return \ReflectionParameter[] |
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*/ |
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private static function getControllerMethodParameters($controller, $method) { |
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$reflection_method = new ReflectionMethod($controller, $method); |
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return $reflection_method->getParameters(); |
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} |
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/** |
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* @return array |
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*/ |
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private static function getRequestArgs() { |
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return $_SERVER['REQUEST_METHOD'] === 'POST' ? $_POST : $_GET; |
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} |
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} |
llwebsol /
rAPId
