/**
* @desc Get number of user's contribution from DB
*
* @param int $articleId
* @param int $userId
* @param array $contributions
* @return array Resulting array
*/
private static function getNumberOfContributionsForUser($articleId, $userId, array $contributions)
{
$mercuryApi = new MercuryApi();
$contributions[$userId] = $mercuryApi->getNumberOfUserContribForArticle($articleId, $userId);
arsort($contributions);
return $contributions;
}
