Completed
Push — dev-master ( 0f2d28...89c50f )
by Derek Stephen
02:09
created

Paginator::render()   F

Complexity

Conditions 13
Paths 2560

Size

Total Lines 64

Duplication

Lines 15
Ratio 23.44 %

Code Coverage

Tests 40
CRAP Score 13

Importance

Changes 0
Metric Value
dl 15
loc 64
ccs 40
cts 40
cp 1
rs 2.7454
c 0
b 0
f 0
cc 13
nc 2560
nop 0
crap 13

How to fix   Long Method    Complexity   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

1
<?php
2
3
namespace Bone\View\Helper;
4
5
use Bone\View\Helper\Exception\PaginatorException;
6
use Del\Icon;
7
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class Paginator
9
{
10
    private $currentPage = 1;
11
    private $pageCount;
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    private $pagerSize = 5;
13
    private $url;
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    private $urlPart = ':page';
15
16
    /**
17
     * @param int $pageNum
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     * @return string
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     */
20 5
    private function url(int $pageNum): string
21
    {
22 5
        return str_replace($this->urlPart, $pageNum, $this->url);
23
    }
24
25
    /**
26
     * @param $pageCount
27
     */
28 2
    public function setPageCount(int $pageCount): void
29
    {
30 2
        $this->pageCount = $pageCount;
31 2
    }
32
33
    /**
34
     * @param $pageCount
35
     */
36 5
    public function setPageCountByTotalRecords(int $rowCount, int $numPerPage): void
37
    {
38 5
        $this->pageCount = (int) ceil($rowCount / $numPerPage) ?: 1;
39 5
    }
40
41
    /**
42
     * @param $url
43
     */
44 6
    public function setUrl(string $url): void
45
    {
46 6
        $this->url = $url;
47 6
    }
48
49
    /**
50
     * @param $replace
51
     */
52 1
    public function setUrlPart(string $replace): void
53
    {
54 1
        $this->urlPart = $replace;
55 1
    }
56
57
    /**
58
     * @param int $page_no
59
     */
60 6
    public function setCurrentPage(int $page_no): void
61
    {
62 6
        $this->currentPage = $page_no;
63 6
    }
64
65
    /**
66
     * @param int $numBoxes an ODD number!
67
     */
68 7
    public function setPagerSize(int $numBoxes): void
69
    {
70 7
        if ($numBoxes % 2 === 0) {
71 3
            $numBoxes--;
72
        }
73 7
        $this->pagerSize = $numBoxes;
74 7
    }
75
76
    /**
77
     * @return int
78
     */
79 7
    public function getPagerSize(): int
80
    {
81 7
        return $this->pagerSize;
82
    }
83
84
    /**
85
     * @throws PaginatorException
86
     */
87 8
    private function ensurePageCount()
88
    {
89 8
        if (null === $this->pageCount) {
90 1
            throw new PaginatorException(PaginatorException::NO_PAGE_COUNT);
91
        }
92 7
    }
93
94
    /**
95
     * @throws PaginatorException
96
     */
97 7
    private function ensureUrl()
98
    {
99 7
        if (null === $this->url) {
100 1
            throw new PaginatorException(PaginatorException::NO_URL);
101
        }
102 6
    }
103
104
    /**
105
     * @return int
106
     */
107 5
    private function calculateStart(int $pages): int
108
    {
109 5
        $half = ($pages - 1) / 2;
110
111 5
        if ($this->currentPage < 3) {
112 2
            $start = 1;
113 3
        } elseif ($this->currentPage >= ($this->pageCount - $half)) {
114 1
            $start = $this->pageCount - ($this->getPagerSize() - 1);
115
        } else {
116 2
            $start = $this->currentPage - $half;
117
118 2
            if ($start < 1) {
119 1
                $start = 1;
120
            }
121
        }
122
123 5
        return $start;
124
    }
125
126
    /**
127
     * @return string
128
     * @throws PaginatorException
129
     */
130 8
    public function render(): string
131
    {
132 8
        $this->ensurePageCount();
133 7
        $this->ensureUrl();
134
135 6
        $html = '<nav><ul class="pagination">';
136
137 6
        if ($this->pageCount > ($this->getPagerSize() - 1)) {
138 5
            $pages = $this->getPagerSize();
139 5
            $start = $this->calculateStart($pages);
140
        } else {
141 1
            $pages = $this->pageCount;
142 1
            $start = 1;
143
        }
144
145 6
        $html .= ($this->currentPage === 1) ? '<li class="page-item disabled">' :'<li class="page-item">';
146 6
        if ($this->currentPage === 1) {
147 2
            $html .= '<a class="page-link"  href ="#">' . Icon::custom(Icon::FAST_BACKWARD, 'disabled') . '</a>';
148
        } else {
149 4
            $html .= '<a class="page-link"  href ="' . $this->url(1) . '">' . Icon::FAST_BACKWARD . '</a>';
150
        }
151 6
        $html .= '</li>';
152
153 6
        $html .= ($this->currentPage === 1) ? '<li class="page-item disabled">' :'<li class="page-item">';
154 6 View Code Duplication
        if ($this->currentPage === 1) {
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
155 2
            $html .= '<a class="page-link"  href ="#">' . Icon::custom(Icon::BACKWARD, 'disabled') . '</a>';
156
        } else {
157 4
            $html .= '<a class="page-link"  href ="' . $this->url($this->currentPage - 1) . '">' . Icon::BACKWARD . '</a>';
158
        }
159 6
        $html .= '</li>';
160
161 6
        for ($x = $start; $x <= ($start + ($pages - 1)); $x++) {
162 6
            $html .= '<li class="page-item ';
163 6
            if ($this->currentPage === $x) {
164 6
                $html .= ' active" aria-current="page';
165
            }
166 6
            $html .= '">';
167 6
            if ($this->currentPage === $x) {
168 6
                $html .= '<a class="page-link" href="#">' . $x . '</a>';
169
            } else {
170 5
                $html .= '<a class="page-link" href="' . $this->url($x) .'">' . $x . '</a>';
171
            }
172 6
            $html .= '</li>';
173
        }
174
175 6
        $html .= ($this->currentPage >= $this->pageCount) ? '<li class="page-item disabled">' :'<li class="page-item">';
176 6 View Code Duplication
        if ($this->currentPage >= $this->pageCount) {
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
177 2
            $html .= '<a class="page-link" href="#">' . Icon::custom(Icon::FORWARD, 'disabled') . '</a>';
178
        } else {
179 4
            $html .= '<a class="page-link"  href ="' . $this->url($this->currentPage + 1) . '">' . Icon::FORWARD . '</i></a>';
180
        }
181 6
        $html .= '</li>';
182
183 6
        $html .= ($this->currentPage >= $this->pageCount) ? '<li class="page-item disabled">' : '<li class="page-item">';
184 6 View Code Duplication
        if ($this->currentPage >= $this->pageCount) {
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
185 2
            $html .= '<a class="page-link" href="#">' . Icon::custom(Icon::FAST_FORWARD, 'disabled') . '</a>';
186
        } else {
187 4
            $html .= '<a class="page-link"  href ="' . $this->url($this->pageCount) . '">' . Icon::FAST_FORWARD . '</i></a>';
188
        }
189 6
        $html .= '</li>';
190 6
        $html .= '</ul></nav>';
191
192 6
        return $html;
193
    }
194
}
195