<?php

	class model
	{
		private $__instance;		# class instance
		protected $__file_name;		# model file
		protected $db;				# global db object

		function __construct($db, $name)
		{
			$this->db = $db;
			$this->__file_name = $name;
		}
		
		# runs the specified model function
		public function run($name)
		{
			#model file path
			$path = __SITE_PATH . '/models' . '/' . $this->__file_name . 'Model.php';

			if (file_exists($path) == false)
			{
				throw new Exception('Model not found in '. $path);
				return false;
			}

			require_once ($path);
			
			# instansiate the model class and get the value
			$__class = $this->__file_name . 'Model';						
			$this->__instance = new $__class($this->db, $this->__file_name);
			$__value = $this->__instance->$name();
			
			return $__value;
		}
	}
	
?>