/**
* Retrieve commentator recipients for a given artifact
*
* @param Tracker_Artifact $artifact
*
* @return Array of PFUser
*/
function getRecipientsFromArtifact(Tracker_Artifact $artifact)
{
$recipients = array();
$userManager = $artifact->getUserManager();
$recipientIds = $artifact->getCommentators();
foreach ($recipientIds as $recipientId) {
$user = $userManager->getUserByIdentifier($recipientId);
if ($user) {
$recipients[$recipientId] = $user;
}
}
return $recipients;
}