<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class cart extends CI_Controller 
{
	protected $_templates;
	
	function __construct() 
	{
		parent::__construct();
		$this->load->model('cart_model','cart');
	}
	
	public function index()
	{
		
	}
	
	function add()
	{
		$req = $this->_get_form() ; 
		$ses_cart = get_ses_cart() ; 
		array_push($ses_cart, $req) ; 
		$_SESSION['cart'] = $ses_cart ;
	}
	
	function edit()
	{
		$req = $this->_get_form() ;
		$ses_cart = isset($_SESSION['cart'])? (!empty($_SESSION['cart']) ? $_SESSION['cart'] : array()) : array() ;
		//xoa item cu ra khoi gio hang
		$item = $this->input->post('item') ;
		array_splice($ses_cart, $item, 1) ;
		//them vao gio hang
		array_push($ses_cart, $req) ;
		$_SESSION['cart'] = $ses_cart ;
	}

	function removecart()
	{
		$ses_cart = isset($_SESSION['cart'])? (!empty($_SESSION['cart']) ? $_SESSION['cart'] : array()) : array() ;
		$proid = $this->input->post('proid') ;
		$item = $this->input->post('item') ;
		
		array_splice($ses_cart, $item, 1) ;
		
		$_SESSION['cart'] = $ses_cart ;
		echo "success" ;		
	}
	
	function getItem($id)
	{
		$item = -1 ;
		
		for($i=0;$i<count($ses_product);$i++)
		{
			if($ses_product[$i]['proid']== $id){
				$item = $i ;
				return $item ;	
			}
		}
		
		return $item ;
	}
	
	function _get_form()
	{
		$proid = $this->input->post('proid') ;
		$rs = $this->cart->get_record('product',array('proid'=>$proid)) ; 
		if($rs)
		{
			$data['proid'] = $proid ;
			$data['pro_name'] = $rs->pro_name ;
			$data['pro_img'] = $rs->proimg ;
			$data['pro_price'] = $rs->price ;
			$data['nb_order'] = 1 ;
		}
		return $data ;
	}
}

?>