/**
* Marks the card as consumed.
*
* @param string $code
*
* @throws NonExistentCodeInternalException
*/
public function punch($code)
{
$result = $this->connectToStorageInternalWorker->connect()->update(array('code' => $code), array('$set' => array('consumed' => true)));
if ($result['n'] == 0) {
throw new NonExistentCodeInternalException($code);
}
}
/**
* Picks the card with given code.
*
* @param string $code
*
* @return array An array with the following keys:
* code, category and consumed.
*
* @throws NonExistentCodeInternalException
*/
public function pick($code)
{
$card = $this->connectToStorageInternalWorker->connect()->findOne(['code' => $code], ['_id' => 0]);
if (!$card) {
throw new NonExistentCodeInternalException($code);
}
return $card;
}
/**
* Generates a code, verifying that no card use it.
*
* @return string
*/
private function generateCode()
{
$code = $this->codeGenerator->generate();
while ($this->connectToStorageInternalWorker->connect()->findOne(array('code' => $code))) {
$code = $this->codeGenerator->generate();
}
return $code;
}
/**
* Creates a card.
*
* @param string $code
* @param string $category
* @param string $consumed
*/
public function create($code, $category, $consumed)
{
$this->connectToStorageInternalWorker->connect()->insert(array('code' => $code, 'category' => $category, 'consumed' => $consumed));
}
/**
* Collects cards.
*/
public function collect()
{
return $this->connectToStorageInternalWorker->connect()->find()->fields(['_id' => 0]);
}