<?php
namespace Sookon\Article;

use Sookon\Helpers\View as view;
use Sookon\Helpers\Dbh as dbh;
use Sookon\Helpers\PDO;
use Sookon\Helpers\Config;
use Sookon\Helpers\Table;
use Zend\Http\PhpEnvironment\Request;
use Zend\EventManager\EventManagerInterface;
use Zend\EventManager\EventManager;
use Zend\EventManager\EventManagerAwareInterface;

class Lists
{
	private $db;				//传入PDO对象
	private $config;			//站点设置
	private $table;
	
	public $opt;
	
	protected $events = NULL;
		
	function __construct()
	{
		$this->db = new PDO;
		$this->config = Config::get();
		$this->table = new Table;
		
		$this->opt = new \stdClass();
		
		$this->opt->sort = "DESC";
		$this->opt->logic = "AND";
	}
	
	public function setEventManager(EventManagerInterface $events)
    {
        $events->setIdentifiers(array(
            __CLASS__,
            get_called_class(),
        ));
        $this->events = $events;
        return $this;
    }

    public function getEventManager()
    {
        if (NULL === $this->events) {
            $this->setEventManager(new EventManager());
        }
        return $this->events;
    }
	
	public function fetchAll()
	{
		$wheresql = array();
		
		if(isset($this->opt->where) && !empty($this->opt->where))
			$wheresql = array_merge($wheresql,$this->opt->where);
		
		if(count($wheresql)>0)
		{
			$wheresql = " WHERE ".join($wheresql," ".$this->opt->logic." ");
		}else{
			$wheresql = '';
		}
		
		if(!empty($this->opt->order))
		{
			$order = $this->opt->order;
		}else{
			$order = "ar.id";
		}
		
		$sql = "SELECT 
					ar.*,cate.code 
				FROM {$this->table->arc_article} ar
				LEFT JOIN (select aid,min(cid) as cid from {$this->table->arc_catelog} group by aid) as log ON ar.id = log.aid
				LEFT JOIN {$this->table->arc_category} cate ON log.cid = cate.id
				$wheresql
				ORDER BY $order {$this->opt->sort}
				";
				
		if(!empty($this->opt->start))
		{
			$sql .= " START {$this->opt->start} ";
		}
		
		if(!empty($this->opt->limit)){
			$sql .= " LIMIT {$this->opt->limit} ";
		}
		//view::Dump($sql);
		$rs = $this->db->query($sql);
		return $rs->fetchAll();
	}
	
	public function getByCode($code)
	{
		if(empty($code))
		{
			return false;
		}
		
		//$category = new \Sookon\Article\Category;
		//$category->fetch($code);
		
		$this->opt->where = array(
			" cate.code = '$code' "
		);
		
		return $this->fetchAll();
	}
	
}