function create_zip_from_dir_contents($dir, $zipfile_basename)
{
$zip_archive_path = $dir . '/' . $zipfile_basename . '.zip';
$zipfile = new ZipArchive();
$zipfile->open($zip_archive_path, ZipArchive::CREATE);
foreach (scandir($dir) as $f) {
$f_path = $dir . '/' . $f;
if (file_is_pdf($f_path)) {
$zipfile->addFile($f_path, $zipfile_basename . '/' . $f);
}
}
$zipfile->close();
if (file_exists($zip_archive_path)) {
return $zip_archive_path;
} else {
return false;
}
}
die('You cannot resubmit at this time.');
}
$SUBMISSION_DIR = BACKEND_ROOT . '/submissions/';
$the_user = $USERINVENTORY->get_user_by_email_address($_POST['email_address']);
$user_uploaded_paper = $the_user->get_uploaded_paper();
if (isset($user_uploaded_paper)) {
// keep paper id the same if this a re-upload so we just overwrite the file
$new_id = $user_uploaded_paper['id'];
} else {
// if it's a new upload, generate unique id; should probably be encapsulated elsewhere
$used_ids = $USERINVENTORY->get_used_paper_ids();
$new_id = max($used_ids) + 1;
}
$new_basename = $new_id . '.pdf';
$new_title = $_POST['paper_title'];
if (file_is_pdf($_FILES['uploaded_file']['tmp_name'])) {
move_uploaded_file($_FILES['uploaded_file']['tmp_name'], $SUBMISSION_DIR . $new_basename);
$USERINVENTORY->set_user_uploaded_paper_by_email_address($the_user->get_email_address(), $new_id, $new_title);
$USERINVENTORY->write_user_data();
} else {
unlink($_FILES['uploaded_file']['tmp_name']);
die('File is not a PDF. Only PDFs can be uploaded.');
}
?>
<html>
<h1>File upload successful!</h1>
<p>Your submission "<?php
echo $_POST['paper_title'];
?>
