public function create($quantity, $uid)
{
$numbers = new Ml_Model_Numbers();
$tokens = array();
for ($counter = 0; $counter < $quantity; $counter++) {
//not beautiful
$partialFirst = $numbers->baseEncode(mt_rand(36 * 36 + 1, 36 * 36 * 36), "qwertyuiopasdfghjklzxcvbnm0123456789");
$partialSecond = $numbers->baseEncode(mt_rand(31 * 31 + 1, 31 * 31 * 31), "qwrtyuopasdghjklzcvnm123456789");
$tokens[] = $partialFirst . '-' . $partialSecond;
}
$escapeUid = $this->_dbAdapter->quoteInto("?", $uid);
if (!empty($tokens)) {
$querystring = "INSERT IGNORE INTO `" . $this->_dbTable->getTableName() . "` (`uid`, `hash`) VALUES ";
do {
$line = '(' . $escapeUid . ', ' . $this->_dbAdapter->quoteInto("?", current($tokens)) . ')';
$querystring .= $line;
next($tokens);
if (current($tokens)) {
$querystring .= ", ";
}
} while (current($tokens));
$this->_dbAdapter->query($querystring);
}
return $tokens;
}
/**
* Makes a pseudo-uniquely ID
*
* Format:
* x-y-z
*
* whereas:
* x - time portion
* y - random number
* z - check digit
*
* There's a collision chance that must be avoided
* with integrity check where necessary.
*
*/
public static function makeUUId()
{
$numbers = new Ml_Model_Numbers();
$lowerLimit = pow(29, 3);
//==2111
$upperLimit = pow(29, 4) - 1;
//==ZZZZ
$timeDivisor = 2.5;
$ptime = (int) ((int) $_SERVER['REQUEST_TIME'] / $timeDivisor);
$rand1 = mt_rand($lowerLimit, $upperLimit);
$rand2 = mt_rand($lowerLimit, $upperLimit);
$num1 = $numbers->baseEncode($ptime, self::base);
$num2 = $numbers->baseEncode($rand1, self::base);
$num3 = $numbers->baseEncode($rand2, self::base);
$uuid = $num1 . $num2 . $num3 . Ml_Model_Verhoeff::calcsum($ptime . $rand1 . $rand2);
return $uuid;
}
