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conservatorio-tomadini/libraries/fof40/Model/DataModel/Behaviour/Own.php
2024-12-17 17:34:10 +01:00

83 lines
2.0 KiB
PHP

<?php
/**
* @package FOF
* @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
namespace FOF40\Model\DataModel\Behaviour;
defined('_JEXEC') || die;
use FOF40\Event\Observer;
use FOF40\Model\DataModel;
use JDatabaseQuery;
/**
* FOF model behavior class to filter access to items owned by the currently logged in user only
*
* @since 2.1
*/
class Own extends Observer
{
/**
* This event runs after we have built the query used to fetch a record
* list in a model. It is used to apply automatic query filters.
*
* @param DataModel &$model The model which calls this event
* @param JDatabaseQuery &$query The query we are manipulating
*
* @return void
*/
public function onAfterBuildQuery(DataModel &$model, JDatabaseQuery &$query)
{
// Make sure the field actually exists
if (!$model->hasField('created_by'))
{
return;
}
// Get the current user's id
$user_id = $model->getContainer()->platform->getUser()->id;
// And filter the query output by the user id
$db = $model->getContainer()->platform->getDbo();
$query->where($db->qn($model->getFieldAlias('created_by')) . ' = ' . $db->q($user_id));
}
/**
* The event runs after DataModel has retrieved a single item from the database. It is used to apply automatic
* filters.
*
* @param DataModel &$model The model which was called
* @param mixed &$keys The keys used to locate the record which was loaded
*
* @return void
*/
public function onAfterLoad(DataModel &$model, &$keys)
{
// Make sure we have a DataModel
if (!($model instanceof DataModel))
{
return;
}
// Make sure the field actually exists
if (!$model->hasField('created_by'))
{
return;
}
// Get the user
$user_id = $model->getContainer()->platform->getUser()->id;
$recordUser = $model->getFieldValue('created_by', null);
// Filter by authorised access levels
if ($recordUser != $user_id)
{
$model->reset(true);
}
}
}