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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* The main interface for recycle bin methods.
*
* @package tool_recyclebin
* @copyright 2015 University of Kent
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace tool_recyclebin;
defined('MOODLE_INTERNAL') || die();
/**
* Represents a recyclebin.
*
* @package tool_recyclebin
* @copyright 2015 University of Kent
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class base_bin {
/**
* Is this recyclebin enabled?
*/
public static function is_enabled() {
return false;
}
/**
* Returns an item from the recycle bin.
*
* @param int $itemid Item ID to retrieve.
*/
public abstract function get_item($itemid);
/**
* Returns a list of items in the recycle bin.
*/
public abstract function get_items();
/**
* Store an item in this recycle bin.
*
* @param \stdClass $item Item to store.
*/
public abstract function store_item($item);
/**
* Restore an item from the recycle bin.
*
* @param \stdClass $item The item database record
*/
public abstract function restore_item($item);
/**
* Delete an item from the recycle bin.
*
* @param \stdClass $item The item database record
*/
public abstract function delete_item($item);
/**
* Empty the recycle bin.
*/
public function delete_all_items() {
// Cleanup all items.
$items = $this->get_items();
foreach ($items as $item) {
if ($this->can_delete()) {
$this->delete_item($item);
}
}
}
/**
* Can we view items in this recycle bin?
*/
public abstract function can_view();
/**
* Can we restore items in this recycle bin?
*/
public abstract function can_restore();
/**
* Can we delete this?
*/
public abstract function can_delete();
}