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<?php |
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namespace Bone\Mvc; |
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use Bone\Db\Adapter\MySQL; |
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use Bone\Mvc\View\ViewEngine; |
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use Bone\Mvc\View\PlatesEngine; |
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use PDO; |
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use Psr\Http\Message\ServerRequestInterface; |
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use stdClass; |
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class Controller |
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{ |
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/** @var ServerRequestInterface */ |
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protected $request; |
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/** @var ViewEngine $plates */ |
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protected $viewEngine; |
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/** @var string $controller */ |
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protected $controller; |
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/** @var string $action */ |
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protected $action; |
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/** @var stdClass $view */ |
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public $view; |
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/** @var string $body */ |
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private $body; |
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/** @var bool */ |
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private $layoutEnabled; |
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/** @var bool */ |
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private $viewEnabled; |
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/** @var array $headers */ |
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private $headers; |
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/** |
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* @var MySQL |
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*/ |
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protected $_db; |
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public function __construct(ServerRequestInterface $request) |
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{ |
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$this->request = $request; |
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$this->headers = []; |
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$this->params = (object) $this->request->getQueryParams(); |
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$this->initViewEngine(); |
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$this->view = new stdClass(); |
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$this->layoutEnabled = true; |
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$this->viewEnabled = true; |
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} |
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/** |
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* @return void |
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*/ |
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protected function setDB() |
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{ |
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$config = Registry::ahoy()->get('db'); |
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$this->_db = new MySQL($config); |
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} |
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/** |
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* @return void |
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*/ |
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protected function initViewEngine() |
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{ |
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$viewPath = file_exists(APPLICATION_PATH.'/src/App/View/') ? APPLICATION_PATH.'/src/App/View/' : '.' ; |
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$engine = new PlatesEngine($viewPath); |
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$this->viewEngine = $engine; |
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} |
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/** |
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* @return PDO |
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*/ |
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public function getDbAdapter() |
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{ |
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if(!$this->_db) |
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$this->setDB(); |
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} |
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return $this->_db->getConnection(); |
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} |
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/** |
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* @return ViewEngine |
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*/ |
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public function getViewEngine() |
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{ |
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return $this->viewEngine; |
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} |
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/** |
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* runs before th' controller action |
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*/ |
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public function init() |
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{ |
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// extend this t' initialise th' controller |
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} |
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public function getParams() |
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return (object) $this->params; |
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} |
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/** |
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* @param $param |
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* @return mixed |
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*/ |
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public function getParam($param) |
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{ |
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$params = $this->getParams(); |
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return isset($params->$param) ? $params->$param : null; |
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} |
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/** |
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* @param $key |
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* @param $val |
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* @return $this |
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*/ |
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public function setParam($key, $val) |
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$this->params->$key = $val; |
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return $this; |
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} |
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/** |
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* runs after yer work is done |
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*/ |
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public function postDispatch() |
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{ |
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// extend this t' run code after yer controller is finished |
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} |
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/** |
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* For loadin' th' cannon, so t' speak |
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* |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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return $this->headers; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasLayoutEnabled() |
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{ |
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return ($this->layoutEnabled === true); |
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} |
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/** |
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* Enables the layout |
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*/ |
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public function enableLayout() |
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$this->layoutEnabled = true; |
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} |
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/** |
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* Disables the layout |
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*/ |
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public function disableLayout() |
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$this->layoutEnabled = false; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasViewEnabled() |
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{ |
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return ($this->viewEnabled === true); |
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} |
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/** |
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* Enables the view |
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*/ |
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public function enableView() |
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{ |
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$this->viewEnabled = true; |
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} |
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/** |
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* Disables the view |
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*/ |
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public function disableView() |
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{ |
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$this->viewEnabled = false; |
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} |
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/** |
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* @return string |
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*/ |
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public function getBody() |
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{ |
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return $this->body; |
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} |
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/** |
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* Only used if Layout & View disabled |
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* |
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* @param $body |
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*/ |
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public function setBody($body) |
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{ |
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$this->body = $body; |
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} |
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/** |
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* @return array |
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*/ |
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public function indexAction() |
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{ |
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return ['message' => 'Override this method']; |
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} |
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private function errorAction() |
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{ |
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$this->disableView(); |
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$this->disableLayout(); |
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$this->body = '500 Page Error.'; |
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} |
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private function notFoundAction() |
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{ |
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$this->disableView(); |
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$this->disableLayout(); |
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$this->body = '404 Page Not Found.'; |
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} |
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/** |
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* @return ServerRequestInterface |
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*/ |
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public function getRequest() |
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{ |
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return $this->request; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @return Controller |
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*/ |
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public function setRequest(ServerRequestInterface $request) |
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{ |
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$this->request = $request; |
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return $this; |
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} |
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/** |
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* @param $key |
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* @param $value |
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* @return $this |
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*/ |
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public function setHeader($key, $value) |
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{ |
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$this->headers[$key] = $value; |
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return $this; |
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} |
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/** |
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* @param array $headers |
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* @return Controller |
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*/ |
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public function getHeader($key) |
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{ |
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return $this->headers[$key] ? $this->headers[$key] : null; |
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} |
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public function sendJsonResponse(array $data) |
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{ |
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$this->disableLayout(); |
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$this->disableView(); |
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$this->setHeader('Cache-Control', 'no-cache, must-revalidate'); |
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$this->setHeader('Expires','Mon, 26 Jul 1997 05:00:00 GMT'); |
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$this->setHeader('Content-Type','application/json'); |
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$json = json_encode($data); |
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$this->setBody($json); |
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} |
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} |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: