<?php if (! defined('BASEPATH')) exit('No direct script access allowed');
class Gallery_model extends CI_Model
{
	function __construct()
	{
	  parent::__construct();
	}
	
	function get_all_gallery($num=20,$offset=0)
	{
		$this->db->order_by('dt_create','desc');
	  	$query = $this->db->get('gallery',$num,$offset);
	  	return $query->result();
	}
	
	function count_all_gallery()
	{
		$query = $this->db->get('gallery');
		return $query->num_rows();
	}
	
	function get_id($id=0)
	{ 
		$this->db->where('gallery_id',$id);
		$query = $this->db->get('gallery');
		return $query->row();
	}
	
	function get_gallery_active($num=20,$offset=0)
	{
		$this->db->where('bl_active',1);
		$this->db->order_by('dt_create','desc');
	  	$query = $this->db->get('gallery',$num,$offset);
	  	return $query->result();
	}
	
	function get_gallery_category()
	{
		$this->db->where('bl_active',1);
		$this->db->order_by('nb_order','ASC');
	  	$query = $this->db->get('gallery_category');
	  	return $query->result();
	}
	
	function get_gallery_active_by_cat($catid=0)
	{
		$this->db->where('gcat_id',$catid);
		$this->db->where('bl_active',1);
		$this->db->order_by('nb_order','ASC');
	  	$query = $this->db->get('gallery');
	  	return $query->result();
	}
	
	//Save tour
	function save($data,$id=0)
	{
	  if($id)
	  {
		  $this->db->where('gallery_id',$id);
		  if($this->db->update('gallery',$data)){
			  return true;
		  }else{
			  return false;
		  }
	  }
	  else
	  {
		  if($this->db->insert('gallery',$data))
		  {
			  return true;
		  }else{
			  return false;
		  }
	  }
	}
	
	function del($id)
	{
		$this->delimg($id);	//Xóa file hình ảnh
		  
		$this->db->where('gallery_id',$id);
		if($this->db->delete('gallery')){
			return true;
		}else{
			return false;
		}
	}
	
	function delimg($id)
	{
		$rs = $this->get_id($id);
		if($rs)
		{
			if($rs->lb_url && file_exists(ROOT_IMG.'gallery/large/'.$rs->lb_url)){
				@unlink(ROOT_IMG.'gallery/large/'.$rs->lb_url);
				@unlink(ROOT_IMG.'gallery/small/'.$rs->lb_url);
			}
		}
	}
}
?>