mirror of
https://github.com/YunoHost-Apps/freshrss_ynh.git
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117 lines
2.8 KiB
PHP
Executable file
117 lines
2.8 KiB
PHP
Executable file
<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* Le Dispatcher s'occupe d'initialiser le Controller et d'executer l'action
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* déterminée dans la Request
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* C'est un singleton
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*/
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class Minz_Dispatcher {
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const CONTROLLERS_PATH_NAME = '/Controllers';
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/* singleton */
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private static $instance = null;
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private static $needsReset;
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private $controller;
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/**
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* Récupère l'instance du Dispatcher
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*/
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public static function getInstance () {
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if (self::$instance === null) {
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self::$instance = new Minz_Dispatcher ();
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}
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return self::$instance;
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}
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/**
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* Lance le controller indiqué dans Request
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* Remplit le body de Response à partir de la Vue
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* @exception Minz_Exception
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*/
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public function run () {
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do {
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self::$needsReset = false;
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try {
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$this->createController ('FreshRSS_' . Minz_Request::controllerName () . '_Controller');
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$this->controller->init ();
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$this->controller->firstAction ();
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if (!self::$needsReset) {
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$this->launchAction (
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Minz_Request::actionName ()
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. 'Action'
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);
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}
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$this->controller->lastAction ();
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if (!self::$needsReset) {
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$this->controller->view ()->build ();
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}
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} catch (Minz_Exception $e) {
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throw $e;
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}
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} while (self::$needsReset);
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}
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/**
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* Informe le contrôleur qu'il doit recommancer car la requête a été modifiée
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*/
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public static function reset() {
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self::$needsReset = true;
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}
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/**
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* Instancie le Controller
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* @param $controller_name le nom du controller à instancier
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* @exception ControllerNotExistException le controller n'existe pas
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* @exception ControllerNotActionControllerException controller n'est
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* > pas une instance de ActionController
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*/
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private function createController ($controller_name) {
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$filename = APP_PATH . self::CONTROLLERS_PATH_NAME . '/'
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. $controller_name . '.php';
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if (!class_exists ($controller_name)) {
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throw new Minz_ControllerNotExistException (
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$controller_name,
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Minz_Exception::ERROR
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);
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}
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$this->controller = new $controller_name ();
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if (! ($this->controller instanceof Minz_ActionController)) {
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throw new Minz_ControllerNotActionControllerException (
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$controller_name,
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Minz_Exception::ERROR
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);
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}
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}
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/**
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* Lance l'action sur le controller du dispatcher
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* @param $action_name le nom de l'action
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* @exception ActionException si on ne peut pas exécuter l'action sur
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* le controller
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*/
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private function launchAction ($action_name) {
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if (!is_callable (array (
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$this->controller,
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$action_name
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))) {
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throw new Minz_ActionException (
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get_class ($this->controller),
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$action_name,
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Minz_Exception::ERROR
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);
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}
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call_user_func (array (
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$this->controller,
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$action_name
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));
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}
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}
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