public function generateTransactionsFromText(PhabricatorUser $viewer, ConpherenceThread $conpherence, $text)
{
$files = array();
$file_phids = PhabricatorMarkupEngine::extractFilePHIDsFromEmbeddedFiles($viewer, array($text));
// Since these are extracted from text, we might be re-including the
// same file -- e.g. a mock under discussion. Filter files we
// already have.
$existing_file_phids = $conpherence->getFilePHIDs();
$file_phids = array_diff($file_phids, $existing_file_phids);
if ($file_phids) {
$files = id(new PhabricatorFileQuery())->setViewer($this->getActor())->withPHIDs($file_phids)->execute();
}
$xactions = array();
if ($files) {
$xactions[] = id(new ConpherenceTransaction())->setTransactionType(ConpherenceTransaction::TYPE_FILES)->setNewValue(array('+' => mpull($files, 'getPHID')));
}
$xactions[] = id(new ConpherenceTransaction())->setTransactionType(PhabricatorTransactions::TYPE_COMMENT)->attachComment(id(new ConpherenceTransactionComment())->setContent($text)->setConpherencePHID($conpherence->getPHID()));
return $xactions;
}