|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace WebComplete\core\utils\paginator; |
|
4
|
|
|
|
|
5
|
|
|
class Paginator |
|
6
|
|
|
{ |
|
7
|
|
|
const DEFAULT_ITEMS_PER_PAGE = 25; |
|
8
|
|
|
|
|
9
|
|
|
protected $currentPage = 1; |
|
10
|
|
|
protected $itemsPerPage = 0; |
|
11
|
|
|
protected $total = 0; |
|
12
|
|
|
|
|
13
|
|
|
/** |
|
14
|
|
|
* @return int |
|
15
|
|
|
*/ |
|
16
|
|
|
public function getTotal(): int |
|
17
|
|
|
{ |
|
18
|
|
|
return $this->total; |
|
19
|
|
|
} |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* @param int $total |
|
23
|
|
|
*/ |
|
24
|
|
|
public function setTotal($total) |
|
25
|
|
|
{ |
|
26
|
|
|
$this->total = (int)$total; |
|
27
|
|
|
$this->validate(); |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @return int |
|
32
|
|
|
*/ |
|
33
|
|
|
public function getCurrentPage(): int |
|
34
|
|
|
{ |
|
35
|
|
|
return $this->currentPage; |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @param int $currentPage |
|
40
|
|
|
*/ |
|
41
|
|
|
public function setCurrentPage($currentPage) |
|
42
|
|
|
{ |
|
43
|
|
|
$this->currentPage = (int)$currentPage; |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* @return int |
|
48
|
|
|
*/ |
|
49
|
|
|
public function getItemsPerPage(): int |
|
50
|
|
|
{ |
|
51
|
|
|
return $this->itemsPerPage; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* @param int $itemsPerPage |
|
56
|
|
|
*/ |
|
57
|
|
|
public function setItemsPerPage($itemsPerPage) |
|
58
|
|
|
{ |
|
59
|
|
|
$this->itemsPerPage = (int)$itemsPerPage; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* @return int |
|
65
|
|
|
*/ |
|
66
|
|
|
public function getPageCount(): int |
|
67
|
|
|
{ |
|
68
|
|
|
if (!$this->getItemsPerPage()) { |
|
69
|
|
|
return 0; |
|
70
|
|
|
} |
|
71
|
|
|
return (int)\ceil($this->getTotal() / $this->getItemsPerPage()); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
/** |
|
75
|
|
|
* @return array |
|
76
|
|
|
*/ |
|
77
|
|
|
public function getCurrentPages(): array |
|
78
|
|
|
{ |
|
79
|
|
|
$result = []; |
|
80
|
|
|
$pageCurrent = $this->getCurrentPage(); |
|
81
|
|
|
if ($pageCount = $this->getPageCount()) { |
|
82
|
|
|
if ($pageCount <= 5) { |
|
83
|
|
|
for ($i = 1; $i <= $pageCount; $i++) { |
|
84
|
|
|
$result[] = $i; |
|
85
|
|
|
} |
|
86
|
|
|
} else { |
|
87
|
|
|
if ($pageCurrent <= 3) { |
|
88
|
|
|
for ($i = 1; $i <= 5; $i++) { |
|
89
|
|
|
$result[] = $i; |
|
90
|
|
|
} |
|
91
|
|
|
} elseif ($pageCount - $pageCurrent <= 2) { |
|
92
|
|
|
for ($i = $pageCount - 4; $i <= $pageCount; $i++) { |
|
93
|
|
|
$result[] = $i; |
|
94
|
|
|
} |
|
95
|
|
|
} else { |
|
96
|
|
|
for ($i = $pageCurrent - 2; $i <= $pageCurrent + 2; $i++) { |
|
97
|
|
|
$result[] = $i; |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
} |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
return $result; |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** |
|
107
|
|
|
* @return int |
|
108
|
|
|
*/ |
|
109
|
|
|
public function getOffset(): int |
|
110
|
|
|
{ |
|
111
|
|
|
return $this->itemsPerPage * ($this->currentPage - 1); |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
/** |
|
115
|
|
|
* @return int |
|
116
|
|
|
*/ |
|
117
|
|
|
public function getLimit(): int |
|
118
|
|
|
{ |
|
119
|
|
|
return $this->itemsPerPage; |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* |
|
124
|
|
|
*/ |
|
125
|
|
|
protected function validate() |
|
126
|
|
|
{ |
|
127
|
|
|
if ($this->currentPage < 1) { |
|
128
|
|
|
$this->currentPage = 1; |
|
129
|
|
|
} |
|
130
|
|
|
if ($this->itemsPerPage < 0) { |
|
131
|
|
|
$this->itemsPerPage = 0; |
|
132
|
|
|
} |
|
133
|
|
|
if ($this->total < 0) { |
|
134
|
|
|
$this->total = 0; |
|
135
|
|
|
} |
|
136
|
|
|
if ($this->itemsPerPage * ($this->currentPage - 1) > $this->total) { |
|
137
|
|
|
$this->currentPage = 1; |
|
138
|
|
|
} |
|
139
|
|
|
} |
|
140
|
|
|
} |
|
141
|
|
|
|
web-complete /
core
