/**
* Create a zip archive containing the exported data.
*
* @param array $listing The list of usernames that were exported
* @param array $files A list of archive files for each user
*/
function create_zipfile($listing, $files)
{
global $USER;
if (empty($listing) or empty($files)) {
return false;
}
if (count($listing) != count($files)) {
throw new MaharaException("Files and listing don't match.");
}
// create temporary directories for the export
$exportdir = get_config('dataroot') . 'export/' . $USER->get('id') . '/' . time() . '/';
if (!check_dir_exists($exportdir)) {
throw new SystemException("Couldn't create the temporary export directory {$exportdir}");
}
$usersdir = 'users/';
if (!check_dir_exists($exportdir . $usersdir)) {
throw new SystemException("Couldn't create the temporary export directory {$usersdir}");
}
// move user zipfiles into the export directory
foreach ($files as $filename) {
if (copy($filename, $exportdir . $usersdir . basename($filename))) {
unlink($filename);
} else {
throw new SystemException("Couldn't move {$filename} to {$usersdir}");
}
}
// write username listing to a file
$listingfile = 'usernames.csv';
if (!file_put_contents($exportdir . $listingfile, data_to_csv($listing))) {
throw new SystemException("Couldn't write usernames to a file");
}
// zip everything up
$zipfile = $exportdir . 'mahara-bulk-export-' . time() . '.zip';
$cwd = getcwd();
$command = sprintf('%s %s %s %s %s', get_config('pathtozip'), get_config('ziprecursearg'), escapeshellarg($zipfile), escapeshellarg($listingfile), escapeshellarg($usersdir));
$output = array();
chdir($exportdir);
exec($command, $output, $returnvar);
chdir($cwd);
if ($returnvar != 0) {
throw new SystemException('Failed to zip the export file: return code ' . $returnvar);
}
return $zipfile;
}
/**
* Create a zip archive containing the exported data.
*
* @param array $listing The list of usernames that were exported
* @param array $files A list of archive files for each user
*/
function create_zipfile($listing, $files)
{
global $USER;
if (empty($listing) or empty($files)) {
return false;
}
if (count($listing) != count($files)) {
throw new MaharaException("Files and listing don't match.");
}
// create temporary directories for the export
$exportdir = get_config('dataroot') . 'export/' . $USER->get('id') . '/' . time() . '/';
if (!check_dir_exists($exportdir)) {
throw new SystemException("Couldn't create the temporary export directory {$exportdir}");
}
$usersdir = 'users/';
if (!check_dir_exists($exportdir . $usersdir)) {
throw new SystemException("Couldn't create the temporary export directory {$usersdir}");
}
// move user zipfiles into the export directory
foreach ($files as $filename) {
if (copy($filename, $exportdir . $usersdir . basename($filename))) {
unlink($filename);
} else {
throw new SystemException("Couldn't move {$filename} to {$usersdir}");
}
}
// write username listing to a file
$listingfile = 'usernames.csv';
if (!file_put_contents($exportdir . $listingfile, data_to_csv($listing))) {
throw new SystemException("Couldn't write usernames to a file");
}
// zip everything up
$filename = 'mahara-bulk-export-' . time() . '.zip';
try {
create_zip_archive($exportdir, $filename, array($listingfile, $usersdir));
} catch (SystemException $e) {
throw new SystemException('Failed to zip the export file: ' . $e->getMessage());
}
return $exportdir . $filename;
}