1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
<?php
namespace Courseware;
use User;
/**
* Courseware's units.
*
* @author Ron Lucke <lucke@elan-ev.de>
* @license GPL2 or any later version
*
* @since Stud.IP 5.3
*
* @property int $id database column
* @property string $range_id database column
* @property string $range_type database column
* @property int $structural_element_id database column
* @property string $content_type database column
* @property int $public database column
* @property string $creator_id database column
* @property int $release_date database column
* @property int $withdraw_date database column
* @property \JSONArrayObject $config database column
* @property int $mkdate database column
* @property int $chdate database column
* @property \User $creator belongs_to User
* @property \Courseware\StructuralElement $structural_element belongs_to Courseware\StructuralElement
*
* @SuppressWarnings(PHPMD.TooManyPublicMethods)
* @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
*/
class Unit extends \SimpleORMap implements \PrivacyObject
{
protected static function configure($config = [])
{
$config['db_table'] = 'cw_units';
$config['serialized_fields']['config'] = 'JSONArrayObject';
$config['has_one']['structural_element'] = [
'class_name' => StructuralElement::class,
'foreign_key' => 'structural_element_id',
'on_delete' => 'delete',
];
$config['belongs_to']['course'] = [
'class_name' => \Course::class,
'foreign_key' => 'range_id',
'assoc_foreign_key' => 'seminar_id',
];
$config['belongs_to']['user'] = [
'class_name' => User::class,
'foreign_key' => 'range_id',
'assoc_foreign_key' => 'user_id',
];
$config['belongs_to']['creator'] = [
'class_name' => User::class,
'foreign_key' => 'creator_id',
];
parent::configure($config);
}
public static function findCoursesUnits(\Course $course): array
{
return self::findBySQL('range_id = ? AND range_type = ?', [$course->id, 'course']);
}
public static function findUsersUnits(\User $user): array
{
return self::findBySQL('range_id = ? AND range_type = ?', [$user->id, 'user']);
}
public function canRead(\User $user): bool
{
if ($this->structural_element) {
return $this->structural_element->canRead($user);
} else {
if ($GLOBALS['perm']->have_perm('root', $user->id)) {
return true;
}
switch ($this->range_type) {
case 'user':
if ($this->range_id === $user->id) {
return true;
}
case 'course':
return $GLOBALS['perm']->have_studip_perm('user', $this->range_id, $user->id);
default:
throw new \InvalidArgumentException('Unknown range type.');
}
}
}
public function canEdit(\User $user): bool
{
if ($this->structural_element) {
return $this->structural_element->canEdit($user);
} else {
if ($GLOBALS['perm']->have_perm('root', $user->id)) {
return true;
}
switch ($this->range_type) {
case 'user':
if ($this->range_id === $user->id) {
return true;
}
case 'course':
return $GLOBALS['perm']->have_studip_perm('tutor', $this->range_id, $user->id);
default:
throw new \InvalidArgumentException('Unknown range type.');
}
}
}
public function copy(\User $user, string $rangeId, string $rangeType, array $modified = null): Unit
{
$sourceUnitElement = $this->structural_element;
$newElement = $sourceUnitElement->copyToRange($user, $rangeId, $rangeType);
if ($modified !== null) {
$newElement->title = $modified['title'] ?? $newElement->title;
$newElement->payload['color'] = $modified['color'] ?? 'studip-blue';
$newElement->payload['description'] = $modified['description'] ?? $newElement->payload['description'];
$newElement->store();
}
$newUnit = \Courseware\Unit::build([
'range_id' => $rangeId,
'range_type' => $rangeType,
'structural_element_id' => $newElement->id,
'content_type' => 'courseware',
'creator_id' => $user->id,
'public' => '',
'release_date' => null,
'withdraw_date' => null,
]);
$newUnit->store();
return $newUnit;
}
/**
* Export available data of a given user into a storage object
* (an instance of the StoredUserData class) for that user.
*
* @param StoredUserData $storage object to store data into
*/
public static function exportUserData(\StoredUserData $storage)
{
$units = \DBManager::get()->fetchAll(
'SELECT * FROM cw_units WHERE creator_id = ?',
[$storage->user_id]
);
if ($units) {
$storage->addTabularData(_('Courseware Lernmaterialien'), 'cw_units', $units);
}
}
}
|
