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1<?php
2
3/**
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; under version 2
7 * of the License (non-upgradable).
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU Genera Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17 *
18 * Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg
19 *                         (under the project TAO & TAO2);
20 *               2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung
21 *                         (under the project TAO-TRANSFER);
22 *               2009-2012 (update and modification) Public Research Centre Henri Tudor
23 *                         (under the project TAO-SUSTAIN & TAO-DEV);
24 *               2013-2018 (update and modification) Open Assessment Technologies SA;
25 */
26
27/**
28 * GenerisTree is a generic implementation of the
29 * javascript generisTree getter and setter actions
30 *
31 * @author Joel bout, <joel@taotesting.com>
32 * @license GPLv2  http://www.opensource.org/licenses/gpl-2.0.php
33 * @package tao
34 */
35use oat\tao\model\Tree\GetTreeRequest;
36use oat\tao\model\Tree\GetTreeService;
37use oat\generis\model\OntologyAwareTrait;
38
39class tao_actions_GenerisTree extends tao_actions_CommonModule
40{
41    use OntologyAwareTrait;
42
43    public const DEFAULT_LIMIT = 10;
44
45    public function getData()
46    {
47        /** @var GetTreeService $service */
48        $service = $this->getServiceLocator()->get(GetTreeService::SERVICE_ID);
49
50        $response = $service->handle(GetTreeRequest::create($this->getRequest()));
51
52        return $this->returnJson($response->getTreeArray());
53    }
54
55    public function setValues()
56    {
57        if (!$this->isXmlHttpRequest()) {
58            throw new common_exception_IsAjaxAction(__FUNCTION__);
59        }
60
61        $values = tao_helpers_form_GenerisTreeForm::getSelectedInstancesFromPost();
62
63        $resource = $this->getResource($this->getRequestParameter('resourceUri'));
64        $property = $this->getProperty($this->getRequestParameter('propertyUri'));
65        $success = $resource->editPropertyValues($property, $values);
66
67        return $this->returnJson(['saved'  => $success ]);
68    }
69
70    public function setReverseValues()
71    {
72        if (!$this->isXmlHttpRequest()) {
73            throw new common_exception_IsAjaxAction(__FUNCTION__);
74        }
75
76        $values = tao_helpers_form_GenerisTreeForm::getSelectedInstancesFromPost();
77
78        $resource = $this->getResource($this->getRequestParameter('resourceUri'));
79        $property = $this->getProperty($this->getRequestParameter('propertyUri'));
80
81        $currentValues = [];
82        foreach ($property->getDomain() as $domain) {
83            $instances = $domain->searchInstances([
84                $property->getUri() => $resource
85            ], ['recursive' => true, 'like' => false]);
86            $currentValues = array_merge($currentValues, array_keys($instances));
87        }
88
89        $toAdd = array_diff($values, $currentValues);
90        $toRemove = array_diff($currentValues, $values);
91
92        $success = true;
93        foreach ($toAdd as $uri) {
94            $subject = $this->getResource($uri);
95            $success = $success && $subject->setPropertyValue($property, $resource);
96        }
97
98        foreach ($toRemove as $uri) {
99            $subject = $this->getResource($uri);
100            $success = $success && $subject->removePropertyValue($property, $resource);
101        }
102
103        return $this->returnJson(['saved'  => $success]);
104    }
105}