|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Kami\ApiCoreBundle\RequestProcessor\Step\Common; |
|
4
|
|
|
|
|
5
|
|
|
|
|
6
|
|
|
use Doctrine\ORM\NonUniqueResultException; |
|
7
|
|
|
use Doctrine\ORM\QueryBuilder; |
|
8
|
|
|
use Kami\ApiCoreBundle\RequestProcessor\Step\AbstractStep; |
|
9
|
|
|
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
|
10
|
|
|
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Class PaginateStep |
|
14
|
|
|
* @package Kami\ApiCoreBundle\RequestProcessor\Step\Common |
|
15
|
|
|
*/ |
|
16
|
|
|
class PaginateStep extends AbstractStep |
|
17
|
|
|
{ |
|
18
|
|
|
protected $maxPerPage; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @param int $maxPerPage |
|
22
|
|
|
*/ |
|
23
|
|
|
public function __construct($maxPerPage) |
|
24
|
|
|
{ |
|
25
|
|
|
$this->maxPerPage = $maxPerPage; |
|
26
|
|
|
} |
|
27
|
|
|
|
|
28
|
|
|
public function execute() |
|
29
|
|
|
{ |
|
30
|
|
|
/** @var QueryBuilder $queryBuilder */ |
|
31
|
|
|
$queryBuilder = $this->getFromResponse('query_builder'); |
|
32
|
|
|
|
|
33
|
|
|
$totalQueryBuilder = clone $queryBuilder; |
|
34
|
|
|
|
|
35
|
|
|
try { |
|
36
|
|
|
$total = $totalQueryBuilder |
|
37
|
|
|
->select('count(distinct(e))') |
|
38
|
|
|
->getQuery() |
|
39
|
|
|
->getSingleScalarResult(); |
|
40
|
|
|
} catch (NonUniqueResultException $exception) { |
|
41
|
|
|
throw new BadRequestHttpException(); |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
$currentPage = $this->request->query->getInt('page', 1); |
|
45
|
|
|
$totalPages = ceil($total/$this->maxPerPage); |
|
46
|
|
|
|
|
47
|
|
|
if ($currentPage < 1 || $currentPage > $totalPages) { |
|
48
|
|
|
throw new NotFoundHttpException(); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
$queryBuilder->setFirstResult($this->maxPerPage*($currentPage - 1)); |
|
52
|
|
|
$queryBuilder->setMaxResults($this->maxPerPage); |
|
53
|
|
|
|
|
54
|
|
|
return $this->createResponse(['response_data' => [ |
|
55
|
|
|
'rows' => $queryBuilder->getQuery()->getResult(), |
|
56
|
|
|
'total' => $total, |
|
57
|
|
|
'current_page' => $currentPage, |
|
58
|
|
|
'total_pages' => $totalPages |
|
59
|
|
|
]]); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
public function requiresBefore() |
|
63
|
|
|
{ |
|
64
|
|
|
return [BuildSelectQueryStep::class]; |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
} |
kamilabs /
api-core-bundle
