/**
* Increases the balance to the profile with given uniqueness, the given
* amount. It also logs the operation using given description.
*
* @param string $uniqueness
* @param int $amount
* @param string $description
*
* @throws NonExistentUniquenessSharedException
*/
public function increase($uniqueness, $amount, $description)
{
$result = $this->connectToStorageInternalWorker->connect()->update(['uniqueness' => $uniqueness], ['$inc' => ['balance' => $amount]]);
if ($result['n'] == 0) {
throw new NonExistentUniquenessSharedException($uniqueness);
}
$this->logOperationInternalWorker->log($uniqueness, $amount, LogOperationInternalWorker::IMPACT_POSITIVE, $description);
}
/**
* Decreases the balance to the profile with given uniqueness, the given
* amount. It also logs the operation using given description.
*
* @param string $uniqueness
* @param int $amount
* @param string $description
*
* @throws NonExistentUniquenessSharedException
* @throws InsufficientBalanceSharedException
*/
public function decrease($uniqueness, $amount, $description)
{
$item = $this->connectToStorageInternalWorker->connect()->findOne(['uniqueness' => $uniqueness], ['balance']);
if (!$item) {
throw new NonExistentUniquenessSharedException($uniqueness);
}
if ($amount > $item['balance']) {
throw new InsufficientBalanceSharedException();
}
$this->connectToStorageInternalWorker->connect()->update(['uniqueness' => $uniqueness], ['$inc' => ['balance' => -1 * $amount]]);
$this->logOperationInternalWorker->log($uniqueness, $amount, LogOperationInternalWorker::IMPACT_NEGATIVE, $description);
}
/**
* Logs an operation.
*
* @param string $uniqueness
* @param int $amount
* @param string $impact
* @param string $description
*/
public function log($uniqueness, $amount, $impact, $description)
{
$this->logOperationInternalWorker->log($uniqueness, $amount, $impact, $description);
}
