This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Collaboration diagram for ilFileObjectToStorageMigrationHelper:

Public Member Functions
	__construct (ilResourceStorageMigrationHelper $irss_helper)

	getNext ()

Data Fields
const	MIGRATED = ".migrated"

Protected Attributes
string	$base_path = '/var/iliasdata/ilias/default/ilFile'

ilDBInterface	$database

Private Member Functions
	getNextFileId ()

	createPathFromId (int $file_id)

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning

Definition at line 19 of file class.ilFileObjectToStorageMigrationHelper.php.

Constructor & Destructor Documentation

◆ __construct()

ilFileObjectToStorageMigrationHelper::__construct ( ilResourceStorageMigrationHelper $irss_helper )

Definition at line 26 of file class.ilFileObjectToStorageMigrationHelper.php.

References ilResourceStorageMigrationHelper\getClientDataDir(), and ilResourceStorageMigrationHelper\getDatabase().

     {
         $this->base_path = $irss_helper->getClientDataDir() . '/ilFile';
         $this->database = $irss_helper->getDatabase();
     }

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Member Function Documentation

◆ createPathFromId()

ilFileObjectToStorageMigrationHelper::createPathFromId ( int $file_id )

private

Definition at line 68 of file class.ilFileObjectToStorageMigrationHelper.php.

References $i, and $path.

Referenced by getNext().

                                                    : string
     {
         $path = [];
         $found = false;
         $num = $file_id;
         $path_string = '';
         for ($i = 3; $i > 0; $i--) {
             $factor = pow(100, $i);
             if (($tmp = (int) ($num / $factor)) or $found) {
                 $path[] = $tmp;
                 $num = $num % $factor;
                 $found = true;
             }
         }
 
         if (count($path)) {
             $path_string = (implode('/', $path) . '/');
         }
 
         return $this->base_path . '/' . $path_string . 'file_' . $file_id;
     }

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◆ getNext()

ilFileObjectToStorageMigrationHelper::getNext ( )

Definition at line 32 of file class.ilFileObjectToStorageMigrationHelper.php.

References $path, createPathFromId(), and getNextFileId().

                              : ilFileObjectToStorageDirectory
     {
         do {
             $next_id = $this->getNextFileId();
             $path = $this->createPathFromId($next_id);
             $path_found = file_exists($path);
             if (!$path_found) {
                 $this->database->update(
                     'file_data',
                     ['rid' => ['text', 'unknown']],
                     ['file_id' => ['integer', $next_id]]
                 );
             } else {
                 return new ilFileObjectToStorageDirectory($next_id, $path);
             }
         } while (!$path_found);
     }

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◆ getNextFileId()

ilFileObjectToStorageMigrationHelper::getNextFileId ( )

private

Definition at line 50 of file class.ilFileObjectToStorageMigrationHelper.php.

References $d, and $query.

Referenced by getNext().

                                     : int
     {
         $query = "SELECT file_id 
                     FROM file_data 
                     WHERE 
                         (rid IS NULL OR rid = '')
                         AND (file_id != ''  AND file_id IS NOT NULL) 
                     LIMIT 1;";
         $r = $this->database->query($query);
         $d = $this->database->fetchObject($r);
         if (!isset($d->file_id) || null === $d->file_id || '' === $d->file_id) {
             throw new LogicException("error fetching file_id");
         }
 
         return (int) $d->file_id;
     }