/**
* Formats the Neo4j Response.
*
* @param array $response
* @param \GraphAware\Common\Cypher\Statement[] $statements
*
* @return ResultCollection
*
* @throws Neo4jException
*/
public function format(array $response, array $statements)
{
if (isset($response['errors'][0])) {
$e = new Neo4jException($response['errors'][0]['message']);
$e->setNeo4jStatusCode($response['errors'][0]['code']);
throw $e;
}
$results = new ResultCollection();
foreach ($response['results'] as $k => $result) {
$resultO = new Result($statements[$k]);
$resultO->setFields($result['columns']);
foreach ($result['data'] as $data) {
$resultO->pushRecord($data['rest'], $data['graph']);
}
if (array_key_exists('stats', $result)) {
$resultO->setStats($result['stats']);
}
$results->add($resultO, $statements[$k]->getTag());
}
return $results;
}
/**
* @param string $statement
* @param array|null $parameters
* @param null|string $tag
*
* @return \GraphAware\Common\Result\Result
*
* @throws Neo4jException
*/
public function run($statement, $parameters = null, $tag = null)
{
$this->checkSession();
$parameters = (array) $parameters;
try {
return $this->session->run($statement, $parameters, $tag);
} catch (MessageFailureException $e) {
$exception = new Neo4jException($e->getMessage());
$exception->setNeo4jStatusCode($e->getStatusCode());
throw $exception;
}
}
/**
* @param int $transactionId
*
* @throws Neo4jException
*/
public function rollbackTransaction($transactionId)
{
$request = new Request('DELETE', sprintf('%s/db/data/transaction/%d', $this->uri, $transactionId));
try {
$this->httpClient->send($request);
} catch (RequestException $e) {
if ($e->hasResponse()) {
$body = json_decode($e->getResponse()->getBody(), true);
if (!isset($body['code'])) {
throw $e;
}
$msg = sprintf('Neo4j Exception with code "%s" and message "%s"', $body['errors'][0]['code'], $body['errors'][0]['message']);
$exception = new Neo4jException($msg);
$exception->setNeo4jStatusCode($body['errors'][0]['code']);
throw $exception;
}
throw $e;
}
}
