/**
* Picks the profile with given uniqueness.
*
* @param string $uniqueness
*
* @return array An array with the following keys:
* uniqueness, balance
*
* @throws NonExistentUniquenessApiException
*/
public function pick($uniqueness)
{
$profile = $this->connectToStorageInternalWorker->connect()->findOne(['uniqueness' => $uniqueness], ['_id' => 0]);
if (!$profile) {
throw new NonExistentUniquenessApiException();
}
return $profile;
}
/**
* Deletes the profile with given uniqueness.
*
* @param string $uniqueness
*
* @throws NonExistentUniquenessSharedException
*/
public function delete($uniqueness)
{
$result = $this->connectToStorageInternalWorker->connect()->remove(['uniqueness' => $uniqueness]);
if ($result['n'] == 0) {
throw new NonExistentUniquenessSharedException($uniqueness);
}
$this->connectToBalanceOperationStorageInternalWorker->connect()->remove(['uniqueness' => $uniqueness]);
}
/**
* 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);
}
/**
* Creates a profile.
*
* @param string $uniqueness
* @param int $balance
*
* @throws ExistentUniquenessSharedException
* @throws \MongoCursorException
*/
public function create($uniqueness, $balance)
{
try {
$this->connectToStorageInternalWorker->connect()->insert(['uniqueness' => $uniqueness, 'balance' => $balance]);
} catch (\MongoCursorException $e) {
if (11000 == $e->getCode()) {
throw new ExistentUniquenessSharedException();
}
throw $e;
}
}
/**
* 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);
}
/**
* Increases the balance to the profile with given uniqueness, the given
* amount.
*
* @param string $uniqueness
* @param int $amount
*/
public function increase($uniqueness, $amount)
{
$this->connectToStorageInternalWorker->connect()->update(['uniqueness' => $uniqueness], ['$inc' => ['balance' => $amount]]);
}
/**
* Checks if the profile with given uniqueness has given amount.
*
* @param string $uniqueness
* @param int $amount
*
* @return bool True if balance is greater or equal than given amount, false
* otherwise.
*/
public function check($uniqueness, $amount)
{
$item = $this->connectToStorageInternalWorker->connect()->findOne(['uniqueness' => $uniqueness], ['balance']);
return $item['balance'] >= $amount;
}
/**
* Collects profiles.
*
* @return \Iterator
*/
public function collect()
{
return $this->connectToStorageInternalWorker->connect()->find()->fields(['_id' => 0]);
}