public function export($appId)
{
# ToDo; check that collections not empty
$prefixTmpFile = sys_get_temp_dir() . DIRECTORY_SEPARATOR . strval(new \MongoDB\BSON\ObjectId()) . DIRECTORY_SEPARATOR;
$collections = ['tables' => "'{applications: \"{$appId}\"}'", 'decisions' => "'{applications: \"{$appId}\"}'", 'changelogs' => "'{\"model.attributes.applications\": \"{$appId}\"}'"];
foreach ($collections as $collection => $query) {
exec(sprintf("mongoexport -h %s --port %s -d %s -q %s -c %s --out %s", env('DB_HOST'), env('DB_PORT'), env('DB_DATABASE'), $query, $collection, $prefixTmpFile . $collection . '.json'));
}
# create archive
$archiveName = gmdate('Y-m-d_H:i:s') . '-' . Hasher::getToken(50) . "Z.tar.gz";
exec(sprintf("cd %s && tar -cvzf '%s' *.json", $prefixTmpFile, __DIR__ . "/../../public/dump/{$archiveName}"));
return config('services.link.dump_project') . '/' . $archiveName;
}
