Pagination::render() - Code Metrics - Inspection of "pagination" - Corollarium/Formularium - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 9b6942...62d175 )

by Bruno

created 2020-08-21 19:24 UTC

Pagination::render() C

↳ Parent: Pagination

Complexity

Conditions	12
Paths	208

Size

Total Lines	70
Code Lines	44

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	12
eloc	44
c	1
b	0
f	0
nc	208
nop	2
dl	0
loc	70
rs	6.0333

How to fix Long Method Complexity

<?php declare(strict_types=1);

namespace Formularium\Frontend\HTML\Element;

use Formularium\Element;
use Formularium\Exception\Exception;
use Formularium\Field;
use Formularium\HTMLNode;
use Formularium\Metadata;
use Formularium\MetadataParameter;

class Pagination extends Element
{
    const BASE_URL = 'baseURL';
    const CURRENT = 'current';
    const CURRENT_PAGE = 'currentPage';
    const PAGES_AROUND = 'pagesAround';
    const PER_PAGE = 'perPage';
    const TOTAL_ITEMS = 'totalItems';

    public function render(array $parameters, HTMLNode $previous): HTMLNode
    {
        $pagesaround = intval($parameters[self::PAGES_AROUND] ?? 5);
        $perpage = intval($parameters[self::PER_PAGE] ?? 20);
        $baseurl = $parameters[self::BASE_URL] ?? '?';
        $numitems = $parameters[self::TOTAL_ITEMS] ?? 0;

        // use $currentPage when defined
        if (array_key_exists(self::CURRENT_PAGE, $parameters)) {
            $currentPage = intval($parameters[self::CURRENT_PAGE]);
            $currentitem = $currentPage * ($perpage - 1);
        } else {
            $currentitem = intval($parameters[self::CURRENT] ?? 0);
            $currentPage = ceil($currentitem / $perpage);

        }
    
        // $firstindex => first id, same as 'begin'
        $firstindex = $currentitem - $pagesaround * $perpage;
        if ($firstindex < 0) {
            $firstindex = 0;
        }
    
        $maxindex = $currentitem + $pagesaround * $perpage;
        if ($maxindex > $numitems) {
            $maxindex = $numitems;
        }
    
        // only one page? don't show anything.
        if ($maxindex <= $perpage) {
            return HTMLNode::factory('');
        }
    
        $query = array();
        $parsed = parse_url($baseurl);
        if ($parsed === false) {
            throw new Exception('Invalid url' . $baseurl);
        }
        if (isset($parsed['query'])) {
            mb_parse_str($parsed['query'], $query);
        }

        $pages = [];

        if ($firstindex > 0) {
            $pages[] = $this->getItem('...', '', 'formularium-ellipsis');
        }
    
        for ($i = $firstindex; $i < $maxindex; $i += $perpage) {
            $page = $i / $perpage + 1;
            if ($i < $currentitem && $i + $perpage >= $currentitem) {
                $pages[] = $this->getItem((string)$page, '', 'formularium-pagination-current');
            } else {
                $parsed['query'] = array_merge($query, array('begin' => $i, 'total' => $perpage));
                $baseurl = $this->glue_url($parsed);
                $pages[] = $this->getItem((string)$page, $baseurl);
            }
        }
    
        if ($i < $numitems) {
            // disabled
            $pages[] = $this->getItem('...', '', 'formularium-ellipsis');
        }
    
        return HTMLNode::factory(
            'nav',
            ['class' => 'formularium-pagination-wrapper', 'aria-label' => "Page navigation"],
            HTMLNode::factory(
                'ul',
                ['class' => 'formularium-pagination'],
                $pages
            )
        );
    }

    protected function getItem(string $text, string $link, string $class = ''): HTMLNode
    {
        return HTMLNode::factory(
            'li',
            ['class' => ['formularium-pagination-item', $class]],
            HTMLNode::factory(
                'a',
                ['class' => 'formularium-pagination-link', 'href' => $link],
                $text
            )
        );
    }

    /**
     * Inverse of parse_url.
     *
     * @codeCoverageIgnore
     * @param array $parsed An array of fields, same ones as returned by parse_url.
     * In addition, the 'query' field may be an associative array as well.
     * @return string The URL.
     */
    protected function glue_url(array $parsed): string
    {
        $uri = '';
        if (isset($parsed['scheme'])) {
            $uri = $parsed['scheme'] ?
            $parsed['scheme'] . ':' . ((mb_strtolower($parsed['scheme']) == 'mailto') ? '' : '//') : '';
        }
        if (isset($parsed['user'])) {
            $uri .= $parsed['user'] ? $parsed['user'] . ($parsed['pass'] ? ':' . $parsed['pass'] : '') . '@' : '';
        }
        if (isset($parsed['host'])) {
            $uri .= $parsed['host'] ? $parsed['host'] : '';
        }
        if (isset($parsed['port'])) {
            $uri .= $parsed['port'] ? ':' . $parsed['port'] : '';
        }
        if (isset($parsed['path'])) {
            $uri .= $parsed['path'] ? $parsed['path'] : '';
        }
        if (isset($parsed['query'])) {
            if (is_array($parsed['query'])) {
                $uri .= $parsed['query'] ? '?' . http_build_query($parsed['query']) : '';
            } elseif (is_string($parsed['query'])) {
                $uri .= $parsed['query'] ? '?' . $parsed['query'] : '';
            }
        }
        if (isset($parsed['fragment'])) {
            $uri .= $parsed['fragment'] ? '#' . $parsed['fragment'] : '';
        }
        return $uri;
    }

    public static function getMetadata(): Metadata
    {
        return new Metadata(
            'Pagination',
            'Creates a pagination element',
            [
                new MetadataParameter(
                    self::BASE_URL,
                    'string',
                    'Base url for pagination. Default: "?"'
                ),
                new MetadataParameter(
                    self::CURRENT,
                    'int',
                    'Current item. Conflicts with CURRENT_PAGE, use just one of them.'
                ),
                new MetadataParameter(
                    self::CURRENT_PAGE,
                    'int',
                    'Current page. Conflicts with CURRENT, use just one of them'
                ),
                new MetadataParameter(
                    self::PAGES_AROUND,
                    'int',
                    'Maximum pages show before or after the current one'
                ),
                new MetadataParameter(
                    self::PER_PAGE,
                    'int',
                    'Items per page. Default: 20'
                ),
                new MetadataParameter(
                    self::TOTAL_ITEMS,
                    'int',
                    'Total items found by query.'
                )
            ]
        );
    }
}


1			<?php declare(strict_types=1);
2
3			namespace Formularium\Frontend\HTML\Element;
4
5			use Formularium\Element;
6			use Formularium\Exception\Exception;
7			use Formularium\Field;
8			use Formularium\HTMLNode;
9			use Formularium\Metadata;
10			use Formularium\MetadataParameter;
11
12			class Pagination extends Element
13			{
14			const BASE_URL = 'baseURL';
15			const CURRENT = 'current';
16			const CURRENT_PAGE = 'currentPage';
17			const PAGES_AROUND = 'pagesAround';
18			const PER_PAGE = 'perPage';
19			const TOTAL_ITEMS = 'totalItems';
20
21			public function render(array $parameters, HTMLNode $previous): HTMLNode
22			{
23			$pagesaround = intval($parameters[self::PAGES_AROUND] ?? 5);
24			$perpage = intval($parameters[self::PER_PAGE] ?? 20);
25			$baseurl = $parameters[self::BASE_URL] ?? '?';
26			$numitems = $parameters[self::TOTAL_ITEMS] ?? 0;
27
28			// use $currentPage when defined
29			if (array_key_exists(self::CURRENT_PAGE, $parameters)) {
30			$currentPage = intval($parameters[self::CURRENT_PAGE]);
31			$currentitem = $currentPage * ($perpage - 1);
32			} else {
33			$currentitem = intval($parameters[self::CURRENT] ?? 0);
34			$currentPage = ceil($currentitem / $perpage);
			0 ignored issues – show Unused Code introduced 2020-07-15 21:58 UTC by Report Bug Copy Issue Report The assignment to `$currentPage` is dead and can be removed. Loading history...
35			}
36
37			// $firstindex => first id, same as 'begin'
38			$firstindex = $currentitem - $pagesaround * $perpage;
39			if ($firstindex < 0) {
40			$firstindex = 0;
41			}
42
43			$maxindex = $currentitem + $pagesaround * $perpage;
44			if ($maxindex > $numitems) {
45			$maxindex = $numitems;
46			}
47
48			// only one page? don't show anything.
49			if ($maxindex <= $perpage) {
50			return HTMLNode::factory('');
51			}
52
53			$query = array();
54			$parsed = parse_url($baseurl);
55			if ($parsed === false) {
56			throw new Exception('Invalid url' . $baseurl);
57			}
58			if (isset($parsed['query'])) {
59			mb_parse_str($parsed['query'], $query);
60			}
61
62			$pages = [];
63
64			if ($firstindex > 0) {
65			$pages[] = $this->getItem('...', '', 'formularium-ellipsis');
66			}
67
68			for ($i = $firstindex; $i < $maxindex; $i += $perpage) {
69			$page = $i / $perpage + 1;
70			if ($i < $currentitem && $i + $perpage >= $currentitem) {
71			$pages[] = $this->getItem((string)$page, '', 'formularium-pagination-current');
72			} else {
73			$parsed['query'] = array_merge($query, array('begin' => $i, 'total' => $perpage));
74			$baseurl = $this->glue_url($parsed);
75			$pages[] = $this->getItem((string)$page, $baseurl);
76			}
77			}
78
79			if ($i < $numitems) {
80			// disabled
81			$pages[] = $this->getItem('...', '', 'formularium-ellipsis');
82			}
83
84			return HTMLNode::factory(
85			'nav',
86			['class' => 'formularium-pagination-wrapper', 'aria-label' => "Page navigation"],
87			HTMLNode::factory(
88			'ul',
89			['class' => 'formularium-pagination'],
90			$pages
91			)
92			);
93			}
94
95			protected function getItem(string $text, string $link, string $class = ''): HTMLNode
96			{
97			return HTMLNode::factory(
98			'li',
99			['class' => ['formularium-pagination-item', $class]],
100			HTMLNode::factory(
101			'a',
102			['class' => 'formularium-pagination-link', 'href' => $link],
103			$text
104			)
105			);
106			}
107
108			/**
109			* Inverse of parse_url.
110			*
111			* @codeCoverageIgnore
112			* @param array $parsed An array of fields, same ones as returned by parse_url.
113			* In addition, the 'query' field may be an associative array as well.
114			* @return string The URL.
115			*/
116			protected function glue_url(array $parsed): string
117			{
118			$uri = '';
119			if (isset($parsed['scheme'])) {
120			$uri = $parsed['scheme'] ?
121			$parsed['scheme'] . ':' . ((mb_strtolower($parsed['scheme']) == 'mailto') ? '' : '//') : '';
122			}
123			if (isset($parsed['user'])) {
124			$uri .= $parsed['user'] ? $parsed['user'] . ($parsed['pass'] ? ':' . $parsed['pass'] : '') . '@' : '';
125			}
126			if (isset($parsed['host'])) {
127			$uri .= $parsed['host'] ? $parsed['host'] : '';
128			}
129			if (isset($parsed['port'])) {
130			$uri .= $parsed['port'] ? ':' . $parsed['port'] : '';
131			}
132			if (isset($parsed['path'])) {
133			$uri .= $parsed['path'] ? $parsed['path'] : '';
134			}
135			if (isset($parsed['query'])) {
136			if (is_array($parsed['query'])) {
137			$uri .= $parsed['query'] ? '?' . http_build_query($parsed['query']) : '';
138			} elseif (is_string($parsed['query'])) {
139			$uri .= $parsed['query'] ? '?' . $parsed['query'] : '';
140			}
141			}
142			if (isset($parsed['fragment'])) {
143			$uri .= $parsed['fragment'] ? '#' . $parsed['fragment'] : '';
144			}
145			return $uri;
146			}
147
148			public static function getMetadata(): Metadata
149			{
150			return new Metadata(
151			'Pagination',
152			'Creates a pagination element',
153			[
154			new MetadataParameter(
155			self::BASE_URL,
156			'string',
157			'Base url for pagination. Default: "?"'
158			),
159			new MetadataParameter(
160			self::CURRENT,
161			'int',
162			'Current item. Conflicts with CURRENT_PAGE, use just one of them.'
163			),
164			new MetadataParameter(
165			self::CURRENT_PAGE,
166			'int',
167			'Current page. Conflicts with CURRENT, use just one of them'
168			),
169			new MetadataParameter(
170			self::PAGES_AROUND,
171			'int',
172			'Maximum pages show before or after the current one'
173			),
174			new MetadataParameter(
175			self::PER_PAGE,
176			'int',
177			'Items per page. Default: 20'
178			),
179			new MetadataParameter(
180			self::TOTAL_ITEMS,
181			'int',
182			'Total items found by query.'
183			)
184			]
185			);
186			}
187			}
188

Corollarium / Formularium

Push — master ( 9b6942...62d175 )

Pagination::render() C

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

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