1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace LAG\AdminBundle\Event\Subscriber; |
4
|
|
|
|
5
|
|
|
use LAG\AdminBundle\Event\Events; |
6
|
|
|
use LAG\AdminBundle\Event\FilterEvent; |
7
|
|
|
use LAG\AdminBundle\Filter\Filter; |
8
|
|
|
use LAG\AdminBundle\Utils\FormUtils; |
9
|
|
|
use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
10
|
|
|
use Symfony\Component\Form\Extension\Core\Type\FormType; |
11
|
|
|
use Symfony\Component\Form\FormFactoryInterface; |
12
|
|
|
use Symfony\Component\Form\FormInterface; |
13
|
|
|
|
14
|
|
|
class FilterSubscriber implements EventSubscriberInterface |
15
|
|
|
{ |
16
|
|
|
/** |
17
|
|
|
* @var FormFactoryInterface |
18
|
|
|
*/ |
19
|
|
|
private $formFactory; |
20
|
|
|
|
21
|
|
|
public static function getSubscribedEvents() |
22
|
|
|
{ |
23
|
|
|
return [ |
24
|
|
|
Events::FILTER => 'onFilter', |
25
|
|
|
]; |
26
|
|
|
} |
27
|
|
|
|
28
|
|
|
public function __construct(FormFactoryInterface $formFactory) |
29
|
|
|
{ |
30
|
|
|
$this->formFactory = $formFactory; |
31
|
|
|
} |
32
|
|
|
|
33
|
|
|
public function onFilter(FilterEvent $event): void |
34
|
|
|
{ |
35
|
|
|
// Retrieve the configured filters for the current admin and action |
36
|
|
|
$admin = $event->getAdmin(); |
37
|
|
|
$action = $admin->getAction(); |
38
|
|
|
$configuration = $action->getConfiguration(); |
39
|
|
|
$filters = $configuration->getParameter('filters'); |
40
|
|
|
|
41
|
|
|
// Nothing to do if not filters are configured |
42
|
|
|
if (0 === count($filters)) { |
43
|
|
|
return; |
44
|
|
|
} |
45
|
|
|
// As filters should be applied before entity loading, the filter form is created and submitted at the same |
46
|
|
|
// time, unlike the classic forms |
47
|
|
|
$form = $this->createForm($filters); |
48
|
|
|
$form->handleRequest($event->getRequest()); |
49
|
|
|
|
50
|
|
|
if ($form->isSubmitted() && $form->isValid()) { |
51
|
|
|
$data = $form->getData(); |
52
|
|
|
|
53
|
|
|
foreach ($filters as $name => $options) { |
54
|
|
|
// Nothing to do if the data is not submitted or if it is null |
55
|
|
|
if (!key_exists($name, $data) || null === $data[$name]) { |
56
|
|
|
continue; |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
// Do not submit false boolean values to improve user experience |
60
|
|
|
if (is_bool($data[$name]) && false === $data[$name]) { |
61
|
|
|
continue; |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
// Create a new filter with submitted and configured values |
65
|
|
|
$filter = new Filter($options['name'], $data[$name], $options['operator']); |
66
|
|
|
$event->addFilter($filter); |
67
|
|
|
} |
68
|
|
|
} |
69
|
|
|
|
70
|
|
|
// Add the newly created form to the form collection to be displayed on the view |
71
|
|
|
$event->addForm($form, 'filter'); |
72
|
|
|
} |
73
|
|
|
|
74
|
|
|
private function createForm(array $filters): FormInterface |
75
|
|
|
{ |
76
|
|
|
$form = $this |
77
|
|
|
->formFactory |
78
|
|
|
->createNamed('filter', FormType::class) |
79
|
|
|
; |
80
|
|
|
|
81
|
|
|
foreach ($filters as $name => $filter) { |
82
|
|
|
$options = array_merge([ |
83
|
|
|
// All filters are optional |
84
|
|
|
'required' => false, |
85
|
|
|
], $filter['options']); |
86
|
|
|
$type = FormUtils::convertShortFormType($filter['type']); |
87
|
|
|
|
88
|
|
|
$form->add($name, $type, $options); |
89
|
|
|
} |
90
|
|
|
|
91
|
|
|
return $form; |
92
|
|
|
} |
93
|
|
|
} |
94
|
|
|
|