/**
* Validate that the edit is permissible, and the actor has permission to
* perform it.
*/
private function validateEdit(PhabricatorApplicationTransaction $xaction, PhabricatorApplicationTransactionComment $comment)
{
if (!$xaction->getPHID()) {
throw new Exception('Transaction must have a PHID before calling applyEdit()!');
}
$type_comment = PhabricatorTransactions::TYPE_COMMENT;
if ($xaction->getTransactionType() == $type_comment) {
if ($comment->getPHID()) {
throw new Exception('Transaction comment must not yet have a PHID!');
}
}
if (!$this->getContentSource()) {
throw new Exception('Call setContentSource() before applyEdit()!');
}
$actor = $this->requireActor();
PhabricatorPolicyFilter::requireCapability($actor, $xaction, PhabricatorPolicyCapability::CAN_VIEW);
if ($comment->getIsRemoved() && $actor->getIsAdmin()) {
// NOTE: Administrators can remove comments by any user, and don't need
// to pass the edit check.
} else {
PhabricatorPolicyFilter::requireCapability($actor, $xaction, PhabricatorPolicyCapability::CAN_EDIT);
}
}
