<?php 
$code = trim($_REQUEST['code']);

$db = $GLOBALS['db'];

if (strlen($code)<7) {
	echo '0';
	return;
}

$res = $db->fetchByAssoc($db->query("SELECT count(id) as c FROM ecmproducts WHERE UPPER(code)='".strtoupper($code)."'"));
if (intval($res['c'])!=0) {
	echo '0';
	return;
}

//pod podobny
$res = $db->fetchByAssoc($db->query("SELECT count(id) as c FROM ecmproducts WHERE UPPER(code) LIKE '".strtoupper($code)."%'"));
if (intval($res['c'])!=0) {
	echo '2';
	return;
}


$type = substr($code,0,2);
$res = $db->fetchByAssoc($db->query("
		select code_number from ecmproducts where code like '$type%'
		and deleted='0'
		and product_active = '1'
		order by code_number desc limit 0,1;
		"));

$number = intval($res['code_number'])+1;

$c_number = intval(substr($code, -5));

if ($c_number > $number) {
	echo '0';
	return;
}

echo '1';
return;

?>