private function __downloadPaper($paperId, $attachment, $documentType, $docid)
{
global $Opt, $Me;
if (is_object($docid)) {
$docs = array($docid);
} else {
$result = $this->document_result($paperId, $documentType, $docid);
if (!$result) {
$this->log("Download error: " . $this->dblink->error, $Me, $paperId);
return set_error_html("Database error while downloading paper.");
} else {
if (edb_nrows($result) == 0) {
return set_error_html("No such document.");
}
}
// Check data
$docs = array();
while ($doc = $this->document_row($result, $documentType)) {
if (!$doc->mimetype) {
$doc->mimetype = Mimetype::PDF;
}
$doc->filename = HotCRPDocument::filename($doc);
$docs[] = $doc;
}
Dbl::free($result);
}
if (count($docs) == 1 && $docs[0]->paperStorageId <= 1) {
return set_error_html("Paper #" . $docs[0]->paperId . " hasn’t been uploaded yet.");
}
$downloadname = false;
if (count($docs) > 1) {
$name = HotCRPDocument::unparse_dtype($documentType);
if ($documentType <= 0) {
$name = pluralize($name);
}
$downloadname = $Opt["downloadPrefix"] . "{$name}.zip";
}
return Filer::multidownload($docs, $downloadname, $attachment);
}
