<?php
/**
*	Dobi System
*
*	Terms of use and legal restrictions:
*   PLEASE READ THESE TERMS ( www.dobi.pl/doc/license/ ) CAREFULLY BEFORE USING THIS PRODUCT. 
*	USING THIS PRODUCT INDICATES THAT YOU ACCEPT THESE TERMS. 
*	IF YOU DO NOT ACCEPT THESE TERMS , DO NOT USE THIS PRODUCT.
*
*	PHP 5.1.2 and later 
*
*	@license	www.dobi.pl/doc/license/ Dobi License 1.0
*   @copyright	Copyright (c) 2005-2006 Michał 'Cube' Daniel ( http://www.dobi.pl )
* 	@link		www.dobi.pl
*	@package	Dobi Core
*	@version 	1.0, 2006/08/10 11:57
*   @author		Michał 'Cube' Daniel cube@dobi.pl		
*
*/

class dbConnectCount
{
  	private $db_arr_key_amount;
	private $db_arr_count_amount;
	private $db = null;
	 
    public function __construct( dbConnect $dbConnect )
	{
	 	$this->db = $dbConnect;
	}
	
 	public function __call( $method, $args)
	{
		if (method_exists($this->db, $method))
	    {
	       	switch(count($args))
	       	{
				case 0:
						return $this->db->$method();
				case 1:
						return $this->db->$method($args[0]);		
				case 2:
						return $this->db->$method($args[0], $args[1]);
				case 3:
						return $this->db->$method($args[0], $args[1], $args[2]);
				case 4:
						return $this->db->$method($args[0], $args[1], $args[2], $args[3]);		
				case 5:
						return $this->db->$method($args[0], $args[1], $args[2], $args[3], $args[4]);
				default:
						Dobi::exception('dobiException', WARNING, _DOBI_DATABASE_ERR_6_ . ' (' . $method . ')');														     
			}
		}
		else 
		{
		 	Dobi::exception('dobiException', FATAL, _DOBI_DATABASE_ERR_7_ . ' (' . $method . ')');   
		}  
	}
	
	public function getAmount($key)
	{
	 	if (isset($this->db_arr_key_amount[$key]) && $this->db_arr_key_amount[$key] != '')
	 	{
	 	 	return $this->db_arr_key_amount[$key];
	 	}
	 	$stmt = $this->db->query('SELECT coun_value FROM ' . $this->db->getTable('counter') . ' WHERE coun_key="' . $key . '"'); 
	 	$row = $stmt->fetch(ASSOC);
	 	$stmt = NULL;
	 	$this->db->close();
	 	if ($row['coun_value'] == NULL)
	 	{
	 	    $row['coun_value'] = 0;
	 	    Dobi::exception('dobiExcDatabase', NOTICE, _DOBI_DATABASE_ERR_3_ . $key);
		}
	 	$this->db_arr_key_amount[$key] = $row['coun_value'];
	 	return $row['coun_value'];
	}
	 
	public function count( $key, $select = '*', $from = '', $where = '' )
	{
	 	if (isset($this->db_arr_count_amount[$key]) && $this->db_arr_count_amount[$key] != '')
	 	{
	 	 	return $this->db_arr_count_amount[$key];
	 	}	
	 	$sql = 'SELECT COUNT(' . $select . ') FROM ' . $this->db->getTable($from); 
	 	if ($where != '')
	 	{
		 	$sql .= ' WHERE ' . $where;		 
		}
	 	$stmt = $this->db->query($sql);
	 	$this->db_arr_count_amount[$key] = $stmt->fetchColumn();
	 	$stmt = NULL;
	 	$this->db->close();
	 	return $this->db_arr_count_amount[$key];
	}

	public function clearCount()
	{
		 $this->db_arr_count_amount = array(); 
	}
	
	public function clearAmount()
	{
		  $this->db_arr_key_amount = array(); 
	}
		
    public function updateCounter($key, $value = 1)
	{	
	    $value = (int)$value;  
	    if (substr($value, 0, 1) != '-') $chr = '+';
	    else $chr = NULL;
	  	$this->db->exec('UPDATE '. $this->db->getTable('counter') .' SET coun_value = coun_value' . $chr . $value . ' WHERE coun_key="' . $key . '"');	    
	}
	
    public function addCounter($key, $value = 0)
	{	
	    $value = (int)$value;  
	  	$this->db->exec('INSERT INTO '. $this->db->getTable('counter') .' (coun_value, coun_key) VALUES ("' . $value . '", "' . $key . '")');	    
	}
	
    public function deleteCounter($key)
	{	
	  	$this->db->exec('DELETE FROM '. $this->db->getTable('counter') .' WHERE coun_key="' . $key . '"');	    
	}			
}

?>