/**
* Grant credits by one user to another
*
* @param $grantorId
* @param $userId
* @param $amount
* @return bool
*/
public function grantCredits($grantorId, $userId, $amount)
{
if (!$grantorId || !$userId || !$amount) {
return false;
}
$grantorBalance = $this->balanceDao->findByUserId($grantorId);
if (!$grantorBalance || $grantorBalance->balance < $amount) {
return false;
}
$balance = $this->balanceDao->findByUserId($userId);
if (!$balance) {
$balance = new USERCREDITS_BOL_Balance();
$balance->userId = $userId;
$balance->balance = 0;
}
// increase balance
$balance->balance = $balance->balance + $amount;
$this->balanceDao->save($balance);
//decrease grantor balance
$grantorBalance->balance = $grantorBalance->balance - $amount;
$this->balanceDao->save($grantorBalance);
return true;
}
