/
PaginatorAdapter.php
160 lines (139 loc) · 3.17 KB
/
PaginatorAdapter.php
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
<?php
namespace craft\elementapi;
use Craft;
use craft\helpers\UrlHelper;
use League\Fractal\Pagination\PaginatorInterface;
/**
* Fractal paginator adapter class.
*
* @author Pixel & Tonic, Inc. <support@pixelandtonic.com>
* @since 2.0
*/
class PaginatorAdapter implements PaginatorInterface
{
/**
* @var int
*/
protected $elementsPerPage;
/**
* @var int
*/
protected $totalElements;
/**
* @var string
*/
protected $pageParam;
/**
* @var int
*/
protected $totalPages;
/**
* @var int
*/
protected $currentPage;
/**
* @var int
*/
protected $count;
/**
* Constructor
*
* @param integer $elementsPerPage
* @param integer $totalElements
* @param string $pageParam
*/
public function __construct($elementsPerPage, $totalElements, $pageParam)
{
$this->elementsPerPage = $elementsPerPage;
$this->totalElements = $totalElements;
$this->pageParam = $pageParam;
$this->totalPages = (int)ceil($this->totalElements / $this->elementsPerPage);
$this->currentPage = $this->_currentPage();
}
/**
* Get the current page.
*
* @return int
*/
public function getCurrentPage(): int
{
return $this->currentPage;
}
/**
* Get the last page.
*
* @return int
*/
public function getLastPage(): int
{
return $this->totalPages;
}
/**
* Get the total.
*
* @return int
*/
public function getTotal(): int
{
return $this->totalElements;
}
/**
* Get the count.
*
* @return int
*/
public function getCount(): int
{
return $this->count;
}
/**
* Sets the count.
*
* @param int $count
*/
public function setCount($count)
{
$this->count = $count;
}
/**
* Get the number per page.
*
* @return int
*/
public function getPerPage(): int
{
return $this->elementsPerPage;
}
/**
* Get the url for the given page.
*
* @param int $page
* @return string
*/
public function getUrl($page): string
{
$request = Craft::$app->getRequest();
// Get the query string params without the path or `pattern`
parse_str($request->getQueryString(), $params);
$pathParam = Craft::$app->getConfig()->getGeneral()->pathParam;
unset($params[$pathParam], $params['pattern']);
// Return the URL with the page param
$params[$this->pageParam] = $page;
return UrlHelper::url($request->getPathInfo(), $params);
}
/**
* Determines the current page.
*
* @return integer
*/
private function _currentPage(): int
{
$currentPage = Craft::$app->getRequest()->getQueryParam($this->pageParam, 1);
if (is_numeric($currentPage) && $currentPage > $this->totalPages) {
$currentPage = $this->totalPages > 0 ? $this->totalPages : 1;
} elseif (!is_numeric($currentPage) || $currentPage < 0) {
$currentPage = 1;
}
return (int)$currentPage;
}
}