shop.balmet.com

loader.php (7066B)

---

 <?php
 /**
  * @package		OpenCart
  * @author		Daniel Kerr
  * @copyright	Copyright (c) 2005 - 2017, OpenCart, Ltd. (https://www.opencart.com/)
  * @license		https://opensource.org/licenses/GPL-3.0
  * @link		https://www.opencart.com
 */
 
 /**
 * Loader class
 */
 final class Loader {
 	protected $registry;
 
 	/**
 	 * Constructor
 	 *
 	 * @param	object	$registry
  	*/
 	public function __construct($registry) {
 		$this->registry = $registry;
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
 	 * @param	array	$data
 	 *
 	 * @return	mixed
  	*/	
 	public function controller($route, $data = array()) {
 		// Sanitize the call
 		$route = preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route);
 		
 		// Keep the original trigger
 		$trigger = $route;
 		
 		// Trigger the pre events
 		$result = $this->registry->get('event')->trigger('controller/' . $trigger . '/before', array(&$route, &$data));
 		
 		// Make sure its only the last event that returns an output if required.
 		if ($result != null && !$result instanceof Exception) {
 			$output = $result;
 		} else {
 			$action = new Action($route);
 			$output = $action->execute($this->registry, array(&$data));
 		}
 		
 		// Trigger the post events
 		$result = $this->registry->get('event')->trigger('controller/' . $trigger . '/after', array(&$route, &$data, &$output));
 		
 		if ($result && !$result instanceof Exception) {
 			$output = $result;
 		}
 
 		if (!$output instanceof Exception) {
 			return $output;
 		}
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
  	*/	
 	public function model($route) {
 		// Sanitize the call
 		$route = preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route);
 		
 		if (!$this->registry->has('model_' . str_replace('/', '_', $route))) {
 			$file  = DIR_APPLICATION . 'model/' . $route . '.php';
 			$class = 'Model' . preg_replace('/[^a-zA-Z0-9]/', '', $route);
 			
 			if (is_file($file)) {
 				include_once($file);
 	
 				$proxy = new Proxy();
 				
 				// Overriding models is a little harder so we have to use PHP's magic methods
 				// In future version we can use runkit
 				foreach (get_class_methods($class) as $method) {
 					$proxy->{$method} = $this->callback($this->registry, $route . '/' . $method);
 				}
 				
 				$this->registry->set('model_' . str_replace('/', '_', (string)$route), $proxy);
 			} else {
 				throw new \Exception('Error: Could not load model ' . $route . '!');
 			}
 		}
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
 	 * @param	array	$data
 	 *
 	 * @return	string
  	*/
 	public function view($route, $data = array()) {
 		// Sanitize the call
 		$route = preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route);
 		
 		// Keep the original trigger
 		$trigger = $route;
 		
 		// Template contents. Not the output!
 		$template = '';
 		
 		// Trigger the pre events
 		$result = $this->registry->get('event')->trigger('view/' . $trigger . '/before', array(&$route, &$data, &$template));
 		
 		// Make sure its only the last event that returns an output if required.
 		if ($result && !$result instanceof Exception) {
 			$output = $result;
 		} else {
 			$template = new Template($this->registry->get('config')->get('template_engine'));
 				
 			foreach ($data as $key => $value) {
 				$template->set($key, $value);
 			}
 
 			$output = $template->render($this->registry->get('config')->get('template_directory') . $route, $this->registry->get('config')->get('template_cache'));		
 		}
 		
 		// Trigger the post events
 		$result = $this->registry->get('event')->trigger('view/' . $trigger . '/after', array(&$route, &$data, &$output));
 		
 		if ($result && !$result instanceof Exception) {
 			$output = $result;
 		}
 		
 		return $output;
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
  	*/
 	public function library($route) {
 		// Sanitize the call
 		$route = preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route);
 			
 		$file = DIR_SYSTEM . 'library/' . $route . '.php';
 		$class = str_replace('/', '\\', $route);
 
 		if (is_file($file)) {
 			include_once($file);
 
 			$this->registry->set(basename($route), new $class($this->registry));
 		} else {
 			throw new \Exception('Error: Could not load library ' . $route . '!');
 		}
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
  	*/	
 	public function helper($route) {
 		$file = DIR_SYSTEM . 'helper/' . preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route) . '.php';
 
 		if (is_file($file)) {
 			include_once($file);
 		} else {
 			throw new \Exception('Error: Could not load helper ' . $route . '!');
 		}
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
  	*/	
 	public function config($route) {
 		$this->registry->get('event')->trigger('config/' . $route . '/before', array(&$route));
 		
 		$this->registry->get('config')->load($route);
 		
 		$this->registry->get('event')->trigger('config/' . $route . '/after', array(&$route));
 	}
 
 	/**
 	 * 
 	 *
 	 * @param	string	$route
 	 * @param	string	$key
 	 *
 	 * @return	array
  	*/
 	public function language($route, $key = '') {
 		// Sanitize the call
 		$route = preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route);
 		
 		// Keep the original trigger
 		$trigger = $route;
 				
 		$result = $this->registry->get('event')->trigger('language/' . $trigger . '/before', array(&$route, &$key));
 		
 		if ($result && !$result instanceof Exception) {
 			$output = $result;
 		} else {
 			$output = $this->registry->get('language')->load($route, $key);
 		}
 		
 		$result = $this->registry->get('event')->trigger('language/' . $trigger . '/after', array(&$route, &$key, &$output));
 		
 		if ($result && !$result instanceof Exception) {
 			$output = $result;
 		}
 				
 		return $output;
 	}
 	
 	protected function callback($registry, $route) {
 		return function($args) use($registry, $route) {
 			static $model;
 			
 			$route = preg_replace('/[^a-zA-Z0-9_\/]/', '', (string)$route);
 
 			// Keep the original trigger
 			$trigger = $route;
 					
 			// Trigger the pre events
 			$result = $registry->get('event')->trigger('model/' . $trigger . '/before', array(&$route, &$args));
 			
 			if ($result && !$result instanceof Exception) {
 				$output = $result;
 			} else {
 				$class = 'Model' . preg_replace('/[^a-zA-Z0-9]/', '', substr($route, 0, strrpos($route, '/')));
 				
 				// Store the model object
 				$key = substr($route, 0, strrpos($route, '/'));
 				
 				if (!isset($model[$key])) {
 					$model[$key] = new $class($registry);
 				}
 				
 				$method = substr($route, strrpos($route, '/') + 1);
 				
 				$callable = array($model[$key], $method);
 	
 				if (is_callable($callable)) {
 					$output = call_user_func_array($callable, $args);
 				} else {
 					throw new \Exception('Error: Could not call model/' . $route . '!');
 				}					
 			}
 			
 			// Trigger the post events
 			$result = $registry->get('event')->trigger('model/' . $trigger . '/after', array(&$route, &$args, &$output));
 			
 			if ($result && !$result instanceof Exception) {
 				$output = $result;
 			}
 						
 			return $output;
 		};
 	}	
 }