/**
* Deletes the category with given id.
*
* @param string $id
*
* @throws NonExistentIdApiException
*/
public function delete($id)
{
$result = $this->connectToStorageInternalWorker->connect()->remove(array('id' => $id));
if ($result['n'] == 0) {
throw new NonExistentIdApiException();
}
}
/**
* Updates the category with given id.
*
* @param string $id
* @param string $name
* @param int $utility
*
* @throws NonExistentIdApiException
*/
public function update($id, $name, $utility)
{
$result = $this->connectToStorageInternalWorker->connect()->update(array('id' => $id), array('$set' => array('name' => $name, 'utility' => (int) $utility)));
if ($result['n'] == 0) {
throw new NonExistentIdApiException();
}
}
/**
* Picks the category with given id.
*
* @param string $id
*
* @return array An array with the following keys:
* id, name and utility
*
* @throws NonExistentIdInternalException
*/
public function pick($id)
{
$category = $this->connectToStorageInternalWorker->connect()->findOne(['id' => $id], ['_id' => 0]);
if (!$category) {
throw new NonExistentIdInternalException($id);
}
return $category;
}
/**
* Collects categories.
*
* @return \Iterator An array of categories with the following keys:
* id, name and utility
*/
public function collect()
{
return $this->connectToStorageInternalWorker->connect()->find()->fields(['_id' => 0]);
}
/**
* Creates a category.
*
* @param string $id
* @param string $name
* @param int $utility
*
* @throws \MongoCursorException
*/
public function create($id, $name, $utility)
{
$this->connectToStorageInternalWorker->connect()->insert(array('id' => $id, 'name' => $name, 'utility' => $utility));
}