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<?php |
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namespace Core; |
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use Twig\Template; |
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/** |
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* Class Controller |
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* @package Core |
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* |
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* PHP version 7 |
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*/ |
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abstract class Controller |
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{ |
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/** |
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* the data that will be pushed to the view |
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* @var array |
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*/ |
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protected $data = []; |
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/** |
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* @var Container dependency injector |
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*/ |
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protected $container; |
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/** |
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* @var Dependency\Session the session handler |
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*/ |
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protected $session; |
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/** |
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* this will automaticly load all the modules listed and store them as $moduleName in tle class |
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* Child classes can call aditional modules by calling $this-> |
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* @var array List of modules to load |
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*/ |
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protected $loadModules = [ |
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'Csrf', |
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'AlertBox' |
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]; |
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/** |
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* We need to declare out modules here, else they will be public |
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* @var object |
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*/ |
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protected $csrf; |
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protected $alertBox; |
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/** |
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* Controller constructor. |
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* @param Container $container |
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* |
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* @throws \ErrorException |
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*/ |
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public function __construct(Container $container) |
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{ |
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$this->container = $container; |
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//removing any duplicates that could have been passed in child classes |
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$this->loadModules = array_unique($this->loadModules); |
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//We load all our module objects into our object |
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foreach ($this->loadModules as $loadModule) { |
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$loadModuleObj = 'Core\\Modules\\' . $loadModule; |
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$loadModuleName = lcfirst($loadModule); |
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$loadedModule = new $loadModuleObj($this->container); |
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//Modules must be children of the Module template |
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if (!is_subclass_of($loadedModule, 'Core\Modules\Module')) { |
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throw new \ErrorException('Modules musit be a sub class of module'); |
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} |
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//we are not allowed to create public modules, they must be a placeholder ready |
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if (!property_exists($this, $loadModuleName)) { |
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throw new \ErrorException('class var ' . $loadModuleName . ' not present'); |
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} |
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$this->$loadModuleName = $loadedModule; |
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} |
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$this->session = $this->container->getSession(); |
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//Setting up csrf token security for all calls |
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$this->data['csrf_token'] = $this->csrf->getCsrfKey(); //storing the security id into the data array to be sent to the view and added in the meta head |
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} |
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public function index() |
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{ |
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//if no index, then redirect to the home page or throw an error if in dev; just for debugging purposes |
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if (Config::DEV_ENVIRONMENT) { |
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throw new \ErrorException("no index() available in controller call"); |
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} |
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$this->container->getResponse()->redirect(); |
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} |
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/** |
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* Calls the templating engine and returns the rendered view |
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* |
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* @param $template string the template file name. .twig will be appended |
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* @return string the rendered template |
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* @throws \Twig_Error_Loader |
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* @throws \Twig_Error_Runtime |
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* @throws \Twig_Error_Syntax |
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*/ |
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public function getView($template) |
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{ |
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$twig = $this->container->getTemplate(); |
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return $twig->render($template . '.twig', $this->data); |
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} |
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/** |
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* rendering the view |
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* |
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* @param $template string the template file |
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* @throws \Twig_Error_Loader |
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* @throws \Twig_Error_Runtime |
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* @throws \Twig_Error_Syntax |
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*/ |
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public function renderView($template): void |
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{ |
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//checking if any alerts and pas the to the template |
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if ($this->alertBox->alertsPending()) { |
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$this->data['alert_messages'] = $this->alertBox->getAlerts(); |
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} |
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$twig = $this->container->getTemplate(); |
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$twig->display($template . '.twig', $this->data); |
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} |
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} |
Starbugstone /
blogoc
