|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* For licensing terms, see /license.txt */ |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* This file contains an abstract Hook event class |
|
7
|
|
|
* Used for Hook Events (e.g Create user, Webservice registration). |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
namespace Chamilo\CoreBundle\Hook; |
|
11
|
|
|
|
|
12
|
|
|
use Chamilo\CoreBundle\Hook\Interfaces\HookEventInterface; |
|
13
|
|
|
use Chamilo\CoreBundle\Hook\Interfaces\HookObserverInterface; |
|
14
|
|
|
use Doctrine\ORM\EntityManager; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* Class HookEvent. |
|
18
|
|
|
* |
|
19
|
|
|
* This abstract class implements Hook Event Interface to build the base |
|
20
|
|
|
* for Hook Events. This class have some public static method, e.g for create Hook Events. |
|
21
|
|
|
*/ |
|
22
|
|
|
abstract class HookEvent implements HookEventInterface |
|
23
|
|
|
{ |
|
24
|
|
|
public static $hook; |
|
25
|
|
|
public $observers; |
|
26
|
|
|
public $eventName; |
|
27
|
|
|
public $eventData; |
|
28
|
|
|
public $manager; |
|
29
|
|
|
protected $entityManager; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Construct Method. |
|
33
|
|
|
* |
|
34
|
|
|
* @param string $eventName |
|
35
|
|
|
*/ |
|
36
|
|
|
protected function __construct($eventName, EntityManager $entityManager) |
|
37
|
|
|
{ |
|
38
|
|
|
$this->entityManager = $entityManager; |
|
39
|
|
|
|
|
40
|
|
|
$this->observers = new \SplObjectStorage(); |
|
41
|
|
|
$this->eventName = $eventName; |
|
42
|
|
|
$this->eventData = []; |
|
43
|
|
|
$this->manager = HookManagement::create($this->entityManager); |
|
44
|
|
|
$this->loadAttachments(); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
public function getEntityManager(): EntityManager |
|
48
|
|
|
{ |
|
49
|
|
|
return $this->entityManager; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* Load all hook observer already registered from Session or Database. |
|
54
|
|
|
* |
|
55
|
|
|
* @return HookEventInterface |
|
56
|
|
|
*/ |
|
57
|
|
|
public function loadAttachments() |
|
58
|
|
|
{ |
|
59
|
|
|
/*if (isset(self::$hook[$this->eventName]) && is_array(self::$hook[$this->eventName])) { |
|
60
|
|
|
foreach (self::$hook[$this->eventName] as $hookObserver => $val) { |
|
61
|
|
|
$hookObserverInstance = $hookObserver::create(); |
|
62
|
|
|
$this->observers->attach($hookObserverInstance); |
|
63
|
|
|
} |
|
64
|
|
|
} else { |
|
65
|
|
|
// Load from Database and save into global name |
|
66
|
|
|
self::$hook[$this->eventName] = $this->manager->listHookObservers($this->eventName); |
|
67
|
|
|
if (isset(self::$hook[$this->eventName]) && is_array(self::$hook[$this->eventName])) { |
|
68
|
|
|
foreach (self::$hook[$this->eventName] as $hookObserver => $val) { |
|
69
|
|
|
$hookObserverInstance = $hookObserver::create(); |
|
70
|
|
|
$this->observers->attach($hookObserverInstance); |
|
71
|
|
|
} |
|
72
|
|
|
} |
|
73
|
|
|
}*/ |
|
74
|
|
|
|
|
75
|
|
|
return $this; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Return the singleton instance of Hook event. |
|
80
|
|
|
* |
|
81
|
|
|
* @return static |
|
82
|
|
|
*/ |
|
83
|
|
|
public static function create(EntityManager $entityManager) |
|
84
|
|
|
{ |
|
85
|
|
|
static $result = null; |
|
86
|
|
|
|
|
87
|
|
|
if ($result) { |
|
88
|
|
|
return $result; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
try { |
|
92
|
|
|
$class = get_called_class(); |
|
93
|
|
|
|
|
94
|
|
|
return new $class($entityManager); |
|
95
|
|
|
} catch (\Exception $e) { |
|
96
|
|
|
return null; |
|
97
|
|
|
} |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
/** |
|
101
|
|
|
* Attach an HookObserver. |
|
102
|
|
|
* |
|
103
|
|
|
* @see http://php.net/manual/en/splsubject.attach.php |
|
104
|
|
|
* |
|
105
|
|
|
* @param HookObserverInterface $observer the HookObserver to attach |
|
106
|
|
|
*/ |
|
107
|
|
|
public function attach(HookObserverInterface $observer) |
|
108
|
|
|
{ |
|
109
|
|
|
$observerClass = get_class($observer); |
|
110
|
|
|
self::$hook[$this->eventName][$observerClass] = [ |
|
111
|
|
|
'class_name' => $observerClass, |
|
112
|
|
|
'path' => $observer->getPath(), |
|
113
|
|
|
'plugin_name' => $observer->getPluginName(), |
|
114
|
|
|
]; |
|
115
|
|
|
$this->observers->attach($observer); |
|
116
|
|
|
$this->manager->insertHook($this->eventName, $observerClass, HOOK_EVENT_TYPE_ALL); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* Detach an HookObserver. |
|
121
|
|
|
* |
|
122
|
|
|
* @see http://php.net/manual/en/splsubject.detach.php |
|
123
|
|
|
* |
|
124
|
|
|
* @param HookObserverInterface $observer The HookObserver to detach |
|
125
|
|
|
*/ |
|
126
|
|
|
public function detach(HookObserverInterface $observer) |
|
127
|
|
|
{ |
|
128
|
|
|
$observerClass = get_class($observer); |
|
129
|
|
|
unset(self::$hook[$this->eventName][$observerClass]); |
|
130
|
|
|
$this->observers->detach($observer); |
|
131
|
|
|
$this->manager->deleteHook($this->eventName, $observerClass, HOOK_EVENT_TYPE_ALL); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
/** |
|
135
|
|
|
* Notify an observer. |
|
136
|
|
|
* |
|
137
|
|
|
* @see http://php.net/manual/en/splsubject.notify.php |
|
138
|
|
|
*/ |
|
139
|
|
|
public function notify() |
|
140
|
|
|
{ |
|
141
|
|
|
foreach ($this->observers as $observer) { |
|
142
|
|
|
$observer->update($this); |
|
143
|
|
|
} |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
|
|
/** |
|
147
|
|
|
* Return the event name refer to where hook is used. |
|
148
|
|
|
*/ |
|
149
|
|
|
public function getEventName(): string |
|
150
|
|
|
{ |
|
151
|
|
|
return $this->eventName; |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
|
|
/** |
|
155
|
|
|
* Return an array containing all data needed by the hook observer to update. |
|
156
|
|
|
*/ |
|
157
|
|
|
public function getEventData(): array |
|
158
|
|
|
{ |
|
159
|
|
|
return $this->eventData; |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
/** |
|
163
|
|
|
* Set an array with data needed by hooks. |
|
164
|
|
|
* |
|
165
|
|
|
* @return $this |
|
166
|
|
|
*/ |
|
167
|
|
|
public function setEventData(array $data): HookEventInterface |
|
168
|
|
|
{ |
|
169
|
|
|
foreach ($data as $key => $value) { |
|
170
|
|
|
// Assign value for each array item |
|
171
|
|
|
$this->eventData[$key] = $value; |
|
172
|
|
|
} |
|
173
|
|
|
|
|
174
|
|
|
return $this; |
|
175
|
|
|
} |
|
176
|
|
|
|
|
177
|
|
|
/** |
|
178
|
|
|
* Detach all hook observers. |
|
179
|
|
|
*/ |
|
180
|
|
|
public function detachAll(): HookEventInterface |
|
181
|
|
|
{ |
|
182
|
|
|
self::$hook[$this->eventName] = null; |
|
183
|
|
|
$this->observers->removeAll($this->observers); |
|
|
|
|
|
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
/** |
|
187
|
|
|
* Clear all hookObservers without detach them. |
|
188
|
|
|
*/ |
|
189
|
|
|
public function clearAttachments() |
|
190
|
|
|
{ |
|
191
|
|
|
$this->observers->removeAll($this->observers); |
|
192
|
|
|
} |
|
193
|
|
|
} |
|
194
|
|
|
|
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: