/**
* Deletes the info with given id.
*
* @param string $id
*
* @throws NonExistentIdApiException
*/
public function delete($id)
{
$result = $this->connectToStorageInternalWorker->connect()->remove(['id' => $id]);
if ($result['n'] == 0) {
throw new NonExistentIdApiException();
}
}
/**
* Pops oldest info.
*
* @return array The info as an array with the following keys:
* id, body, topics and created
*
* @throws EmptyQueueInternalException
*/
public function pop()
{
$item = $this->connectToInfoStorageInternalWorker->connect()->find()->sort(['created' => 1])->limit(1)->getNext();
if (!$item) {
throw new EmptyQueueInternalException();
}
$this->connectToInfoStorageInternalWorker->connect()->remove(['id' => $item['id']]);
return $item;
}
/**
* Creates an info.
*
* @param string $body
* @param string[] $topics
*
* @throws BlankBodyApiException
* @throws NoTopicsApiException
* @throws NonExistentTopicApiException
*/
public function create($body, $topics)
{
if ($body === '') {
throw new BlankBodyApiException();
}
if (count($topics) == 0) {
throw new NoTopicsApiException();
}
foreach ($topics as $topic) {
try {
$this->pickTopicApiWorker->pick($topic);
} catch (NonExistentIdApiException $e) {
throw new NonExistentTopicApiException();
}
}
$this->connectToStorageInternalWorker->connect()->insert(array('id' => uniqid(), 'body' => $body, 'topics' => $topics, 'created' => time()));
}
/**
* Updates the info with given id.
*
* @param string $id
* @param string $body
* @param string[] $topics
*
* @throws BlankBodyApiException
* @throws NoTopicsApiException
* @throws NonExistentTopicApiException
* @throws NonExistentIdApiException
*/
public function update($id, $body, $topics)
{
if ($body === '') {
throw new BlankBodyApiException();
}
if (count($topics) == 0) {
throw new NoTopicsApiException();
}
foreach ($topics as $topic) {
try {
$this->pickTopicApiWorker->pick($topic);
} catch (NonExistentIdApiException $e) {
throw new NonExistentTopicApiException();
}
}
$result = $this->connectToStorageInternalWorker->connect()->update(array('id' => $id), array('$set' => array('body' => $body, 'topics' => $topics, 'created' => time())));
if ($result['n'] == 0) {
throw new NonExistentIdApiException();
}
}
/**
* Creates an info.
*
* @param string $id
* @param string $body
* @param string[] $topics
*/
public function create($id, $body, $topics)
{
$this->connectToStorageInternalWorker->connect()->insert(array('id' => $id, 'body' => $body, 'topics' => $topics, 'created' => time()));
sleep(1);
}
/**
* Collects infos, sorted descending by creation date.
*
* @return \Iterator An array of infos with the following keys:
* id, body, topics and created
*/
public function collect()
{
return $this->connectToStorageInternalWorker->connect()->find()->fields(['_id' => 0])->sort(['created' => -1]);
}
