DNDataTransfer::IsBackupDataTransfer PHP Method

    public function IsBackupDataTransfer()
    {
        $deploymentBackup = DB::query(sprintf('SELECT COUNT("ID") FROM "DNDeployment" WHERE "BackupDataTransferID" = %d', $this->ID))->value();
        if ($deploymentBackup) {
            return true;
        }
        $transferBackup = DB::query(sprintf('SELECT COUNT("ID") FROM "DNDataTransfer" WHERE "BackupDataTransferID" = %d', $this->ID))->value();
        if ($transferBackup) {
            return true;
        }
        return false;
    }

 /**
  * Backs up database and/or assets to a designated folder,
  * and packs up the files into a single sspak.
  *
  * @param  DNDataTransfer    $dataTransfer
  * @param  DeploynautLogFile $log
  */
 protected function dataTransferBackup(DNDataTransfer $dataTransfer, DeploynautLogFile $log)
 {
     $environment = $dataTransfer->Environment();
     $name = $environment->getFullName();
     // Associate a new archive with the transfer.
     // Doesn't retrieve a filepath just yet, need to generate the files first.
     $dataArchive = DNDataArchive::create();
     $dataArchive->Mode = $dataTransfer->Mode;
     $dataArchive->AuthorID = $dataTransfer->AuthorID;
     $dataArchive->OriginalEnvironmentID = $environment->ID;
     $dataArchive->EnvironmentID = $environment->ID;
     $dataArchive->IsBackup = $dataTransfer->IsBackupDataTransfer();
     // Generate directory structure with strict permissions (contains very sensitive data)
     $filepathBase = $dataArchive->generateFilepath($dataTransfer);
     mkdir($filepathBase, 0700, true);
     $databasePath = $filepathBase . DIRECTORY_SEPARATOR . 'database.sql';
     // Backup database
     if (in_array($dataTransfer->Mode, array('all', 'db'))) {
         $log->write(sprintf('Backup of database from "%s" started', $name));
         $command = $this->getCommand('data:getdb', 'db', $environment, array('data_path' => $databasePath), $log);
         $command->run(function ($type, $buffer) use($log) {
             $log->write($buffer);
         });
         if (!$command->isSuccessful()) {
             $this->extend('dataTransferFailure', $environment, $log);
             throw new RuntimeException($command->getErrorOutput());
         }
         $log->write(sprintf('Backup of database from "%s" done', $name));
     }
     // Backup assets
     if (in_array($dataTransfer->Mode, array('all', 'assets'))) {
         $log->write(sprintf('Backup of assets from "%s" started', $name));
         $command = $this->getCommand('data:getassets', 'web', $environment, array('data_path' => $filepathBase), $log);
         $command->run(function ($type, $buffer) use($log) {
             $log->write($buffer);
         });
         if (!$command->isSuccessful()) {
             $this->extend('dataTransferFailure', $environment, $log);
             throw new RuntimeException($command->getErrorOutput());
         }
         $log->write(sprintf('Backup of assets from "%s" done', $name));
     }
     $sspakFilename = sprintf('%s.sspak', $dataArchive->generateFilename($dataTransfer));
     $sspakFilepath = $filepathBase . DIRECTORY_SEPARATOR . $sspakFilename;
     try {
         $dataArchive->attachFile($sspakFilepath, $dataTransfer);
         $dataArchive->setArchiveFromFiles($filepathBase);
     } catch (Exception $e) {
         $log->write($e->getMessage());
         throw new RuntimeException($e->getMessage());
     }
     // Remove any assets and db files lying around, they're not longer needed as they're now part
     // of the sspak file we just generated. Use --force to avoid errors when files don't exist,
     // e.g. when just an assets backup has been requested and no database.sql exists.
     $process = new Process(sprintf('rm -rf %s/assets && rm -f %s', $filepathBase, $databasePath));
     $process->run();
     if (!$process->isSuccessful()) {
         $log->write('Could not delete temporary files');
         throw new RuntimeException($process->getErrorOutput());
     }
     $log->write(sprintf('Creating sspak file done: %s', $dataArchive->ArchiveFile()->getAbsoluteURL()));
 }