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
|
<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\WorkflowEngine\AppInfo;
use OCA\WorkflowEngine\Controller\RequestTime;
use OCA\WorkflowEngine\Helper\LogContext;
use OCA\WorkflowEngine\Manager;
use OCA\WorkflowEngine\Service\Logger;
use OCP\AppFramework\App;
use OCP\AppFramework\Bootstrap\IBootContext;
use OCP\AppFramework\Bootstrap\IBootstrap;
use OCP\AppFramework\Bootstrap\IRegistrationContext;
use OCP\AppFramework\QueryException;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\ILogger;
use OCP\IServerContainer;
use OCP\Template;
use OCP\WorkflowEngine\IEntity;
use OCP\WorkflowEngine\IEntityCompat;
use OCP\WorkflowEngine\IOperation;
use OCP\WorkflowEngine\IOperationCompat;
class Application extends App implements IBootstrap {
public const APP_ID = 'workflowengine';
/** @var IEventDispatcher */
protected $dispatcher;
/** @var Manager */
protected $manager;
public function __construct() {
parent::__construct(self::APP_ID);
}
public function register(IRegistrationContext $context): void {
$context->registerServiceAlias('RequestTimeController', RequestTime::class);
}
public function boot(IBootContext $context): void {
$this->registerHooksAndListeners(
$context->getAppContainer()->query(IEventDispatcher::class)
);
$this->registerRuleListeners(
$context->getAppContainer()->query(IEventDispatcher::class),
$context->getServerContainer(),
$context->getAppContainer()->query(ILogger::class)
);
}
/**
* Register all hooks and listeners
*/
private function registerHooksAndListeners(IEventDispatcher $dispatcher): void {
$dispatcher->addListener(
'OCP\WorkflowEngine::loadAdditionalSettingScripts',
function () {
if (!function_exists('style')) {
// This is hacky, but we need to load the template class
class_exists(Template::class, true);
}
script('core', [
'files/fileinfo',
'files/client',
'dist/systemtags',
]);
script(self::APP_ID, [
'workflowengine',
]);
},
-100
);
}
private function registerRuleListeners(IEventDispatcher $dispatcher,
IServerContainer $container,
ILogger $logger): void {
$configuredEvents = $this->manager->getAllConfiguredEvents();
foreach ($configuredEvents as $operationClass => $events) {
foreach ($events as $entityClass => $eventNames) {
array_map(function (string $eventName) use ($container, $dispatcher, $logger, $operationClass, $entityClass) {
$dispatcher->addListener(
$eventName,
function ($event) use ($container, $eventName, $logger, $operationClass, $entityClass) {
$ruleMatcher = $this->manager->getRuleMatcher();
try {
/** @var IEntity $entity */
$entity = $container->query($entityClass);
/** @var IOperation $operation */
$operation = $container->query($operationClass);
$ruleMatcher->setEntity($entity);
$ruleMatcher->setOperation($operation);
$ctx = new LogContext();
$ctx
->setOperation($operation)
->setEntity($entity)
->setEventName($eventName);
/** @var Logger $flowLogger */
$flowLogger = $container->query(Logger::class);
$flowLogger->logEventInit($ctx);
if ($event instanceof Event) {
$entity->prepareRuleMatcher($ruleMatcher, $eventName, $event);
$operation->onEvent($eventName, $event, $ruleMatcher);
} elseif ($entity instanceof IEntityCompat && $operation instanceof IOperationCompat) {
// TODO: Remove this block (and the compat classes) in the first major release in 2023
$entity->prepareRuleMatcherCompat($ruleMatcher, $eventName, $event);
$operation->onEventCompat($eventName, $event, $ruleMatcher);
} else {
$logger->debug(
'Cannot handle event {name} of {event} against entity {entity} and operation {operation}',
[
'app' => self::APP_ID,
'name' => $eventName,
'event' => get_class($event),
'entity' => $entityClass,
'operation' => $operationClass,
]
);
}
$flowLogger->logEventDone($ctx);
} catch (QueryException $e) {
// Ignore query exceptions since they might occur when an entity/operation were setup before by an app that is disabled now
}
}
);
}, $eventNames ?? []);
}
}
}
}
|