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

Collaboration diagram for ilSystemCheckTrash:

Public Member Functions
	__construct ()

	setNumberLimit (int $a_limit)

	getNumberLimit ()

	setAgeLimit (ilDateTime $dt)

	getAgeLimit ()

	setTypesLimit (array $a_types)

	getTypesLimit ()

	setMode (int $a_mode)

	getMode ()

	start ()

Data Fields
const	MODE_TRASH_RESTORE = 1

const	MODE_TRASH_REMOVE = 2

Protected Member Functions
	restore ()

	removeSelectedFromSystem ()

	readSelectedDeleted ()

	readDeleted (?int $tree_id=null)

Protected Attributes
ilLogger	$logger

ilDBInterface	$db

ilTree	$tree

ilRbacAdmin	$admin

Private Attributes
int	$limit_number = 0

ilDateTime	$limit_age

array	$limit_types = array()

int	$mode

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

Author: Stefan Meyer smeye.nosp@m.r.il.nosp@m.ias@g.nosp@m.mx.d.nosp@m.e

Definition at line 23 of file class.ilSystemCheckTrash.php.

Constructor & Destructor Documentation

◆ __construct()

ilSystemCheckTrash::__construct ( )

Definition at line 38 of file class.ilSystemCheckTrash.php.

    {
        global $DIC;
 
        $this->logger = $DIC->logger()->sysc();
        $this->db = $DIC->database();
        $this->tree = $DIC->repositoryTree();
        $this->admin = $DIC->rbac()->admin();
 
        $this->limit_age = new ilDate(0, IL_CAL_UNIX);
    }

References $DIC, IL_CAL_UNIX, and ILIAS\Repository\logger().

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Member Function Documentation

◆ getAgeLimit()

ilSystemCheckTrash::getAgeLimit ( )

Definition at line 65 of file class.ilSystemCheckTrash.php.

                                 : ilDateTime
    {
        return $this->limit_age;
    }

References $limit_age.

Referenced by readSelectedDeleted(), and start().

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◆ getMode()

ilSystemCheckTrash::getMode ( )

Definition at line 85 of file class.ilSystemCheckTrash.php.

                             : int
    {
        return $this->mode;
    }

References $mode.

Referenced by start().

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◆ getNumberLimit()

ilSystemCheckTrash::getNumberLimit ( )

Definition at line 55 of file class.ilSystemCheckTrash.php.

                                    : int
    {
        return $this->limit_number;
    }

References $limit_number.

Referenced by readSelectedDeleted(), and start().

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◆ getTypesLimit()

ilSystemCheckTrash::getTypesLimit ( )

Definition at line 75 of file class.ilSystemCheckTrash.php.

                                   : array
    {
        return $this->limit_types;
    }

References $limit_types.

Referenced by readSelectedDeleted(), and start().

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◆ readDeleted()

ilSystemCheckTrash::readDeleted ( ?int $tree_id = null )

protected

Definition at line 207 of file class.ilSystemCheckTrash.php.

                                                        : array
    {
        $query = 'SELECT child,tree FROM tree t JOIN object_reference r ON child = r.ref_id ' .
            'JOIN object_data o on r.obj_id = o.obj_id ';
 
        if ($tree_id === null) {
            $query .= 'WHERE tree < ' . $this->db->quote(0, 'integer') . ' ';
        } else {
            $query .= 'WHERE tree = ' . $this->db->quote($tree_id, 'integer') . ' ';
        }
        $query .= 'ORDER BY depth desc';
 
        $res = $this->db->query($query);
 
        $deleted = array();
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $deleted[] = array(
                'tree' => $row->tree,
                'child' => $row->child
            );
        }
        return $deleted;
    }

References $query, $res, and ilDBConstants\FETCHMODE_OBJECT.

Referenced by removeSelectedFromSystem(), and restore().

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◆ readSelectedDeleted()

ilSystemCheckTrash::readSelectedDeleted ( )

protected

Definition at line 156 of file class.ilSystemCheckTrash.php.

                                            : array
    {
        $and_types = '';
        $this->logger->dump($this->getTypesLimit());
 
        $types = array();
        foreach ($this->getTypesLimit() as $id => $type) {
            if ($type) {
                $types[] = $type;
            }
        }
        if (count($types)) {
            $and_types = 'AND ' . $this->db->in('o.type', $this->getTypesLimit(), false, ilDBConstants::T_TEXT) . ' ';
        }
 
        $and_age = '';
        $age_limit = $this->getAgeLimit()->get(IL_CAL_UNIX);
        if ($age_limit > 0) {
            $and_age = 'AND r.deleted < ' . $this->db->quote(
                $this->getAgeLimit()->get(IL_CAL_DATETIME),
                ilDBConstants::T_TEXT
            ) . ' ';
        }
        $limit = '';
        if ($this->getNumberLimit()) {
            $limit = 'LIMIT ' . $this->getNumberLimit();
        }
 
        $query = 'SELECT child,tree FROM tree t JOIN object_reference r ON child = r.ref_id ' .
            'JOIN object_data o on r.obj_id = o.obj_id ' .
            'WHERE tree < ' . $this->db->quote(0, ilDBConstants::T_INTEGER) . ' ' .
            'AND child = -tree ';
 
        $query .= $and_age;
        $query .= $and_types;
        $query .= 'ORDER BY depth desc ';
        $query .= $limit;
 
        $this->logger->info($query);
 
        $deleted = array();
        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $deleted[] = array(
                'tree' => $row->tree,
                'child' => $row->child
            );
        }
        return $deleted;
    }

References $id, $query, $res, $type, ilDBConstants\FETCHMODE_OBJECT, getAgeLimit(), getNumberLimit(), getTypesLimit(), IL_CAL_DATETIME, IL_CAL_UNIX, ILIAS\Repository\logger(), ilDBConstants\T_INTEGER, and ilDBConstants\T_TEXT.

Referenced by removeSelectedFromSystem().

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◆ removeSelectedFromSystem()

ilSystemCheckTrash::removeSelectedFromSystem ( )

protected

Definition at line 138 of file class.ilSystemCheckTrash.php.

                                                 : void
    {
        $deleted = $this->readSelectedDeleted();
        foreach ($deleted as $del_num => $deleted_info) {
            $sub_nodes = $this->readDeleted((int) ($deleted_info['tree'] ?? 0));
 
            foreach ($sub_nodes as $sub_num => $subnode_info) {
                $ref_obj = ilObjectFactory::getInstanceByRefId((int) ($subnode_info['child'] ?? 0), false);
                if (!$ref_obj instanceof ilObject) {
                    continue;
                }
 
                $ref_obj->delete();
                ilTree::_removeEntry((int) ($subnode_info['tree'] ?? 0), (int) ($subnode_info['child'] ?? 0));
            }
        }
    }

References ilTree\_removeEntry(), ilObjectFactory\getInstanceByRefId(), readDeleted(), and readSelectedDeleted().

Referenced by start().

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◆ restore()

ilSystemCheckTrash::restore ( )

protected

Definition at line 112 of file class.ilSystemCheckTrash.php.

                                : void
    {
        $deleted = $this->readDeleted();
 
        $this->logger->info('Found deleted : ' . print_r($deleted, true));
 
 
        foreach ($deleted as $tmp_num => $deleted_info) {
            $child_id = (int) ($deleted_info['child'] ?? 0);
            $ref_obj = ilObjectFactory::getInstanceByRefId($child_id, false);
            if (!$ref_obj instanceof ilObject) {
                continue;
            }
 
            $this->tree->deleteNode((int) ($deleted_info['tree'] ?? 0), $child_id);
            $this->logger->info('Object tree entry deleted');
 
            if ($ref_obj->getType() !== 'rolf') {
                $this->admin->revokePermission($child_id);
                $ref_obj->putInTree(RECOVERY_FOLDER_ID);
                $ref_obj->setPermissions(RECOVERY_FOLDER_ID);
                $this->logger->info('Object moved to recovery folder');
            }
        }
    }

References ilObjectFactory\getInstanceByRefId(), ILIAS\Repository\int(), ILIAS\Repository\logger(), readDeleted(), and RECOVERY_FOLDER_ID.

Referenced by start().

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◆ setAgeLimit()

ilSystemCheckTrash::setAgeLimit ( ilDateTime $dt )

Definition at line 60 of file class.ilSystemCheckTrash.php.

                                               : void
    {
        $this->limit_age = $dt;
    }

◆ setMode()

ilSystemCheckTrash::setMode ( int $a_mode )

Definition at line 80 of file class.ilSystemCheckTrash.php.

                                        : void
    {
        $this->mode = $a_mode;
    }

◆ setNumberLimit()

ilSystemCheckTrash::setNumberLimit ( int $a_limit )

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

                                                : void
    {
        $this->limit_number = $a_limit;
    }

◆ setTypesLimit()

ilSystemCheckTrash::setTypesLimit ( array $a_types )

Definition at line 70 of file class.ilSystemCheckTrash.php.

                                                 : void
    {
        $this->limit_types = $a_types;
    }

◆ start()

ilSystemCheckTrash::start ( )

Definition at line 90 of file class.ilSystemCheckTrash.php.

                           : bool
    {
        $this->logger->info('Handling delete');
        switch ($this->getMode()) {
            case self::MODE_TRASH_RESTORE:
                $this->logger->info('Restore trash to recovery folder');
                $this->restore();
                return true;
                break;
 
            case self::MODE_TRASH_REMOVE:
                $this->logger->info('Remove selected from system.');
                $this->logger->info('Type limit: ' . print_r($this->getTypesLimit(), true));
                $this->logger->info('Age limit: ' . $this->getAgeLimit());
                $this->logger->info('Number limit: ' . $this->getNumberLimit());
                $this->removeSelectedFromSystem();
                return true;
                break;
        }
        return false;
    }