SortableHeader::_getSortParts() - Code Metrics - Inspection of "Merge remote-tracking branch 'origin/master'" - hamburgscleanest/data-tables - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 5db6db...9c44af )

by Timo

created 2017-04-11 18:26 UTC

SortableHeader::_getSortParts() A

↳ Parent: SortableHeader

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2.032

Importance

Changes

Metric	Value
dl	0
loc	10
ccs	4
cts	5
cp	0.8
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	5
nc	2
nop	1
crap	2.032

<?php

namespace hamburgscleanest\DataTables\Models\HeaderFormatters;

use hamburgscleanest\DataTables\Facades\SessionHelper;
use hamburgscleanest\DataTables\Facades\UrlHelper;
use hamburgscleanest\DataTables\Interfaces\HeaderFormatter;
use hamburgscleanest\DataTables\Models\Header;
use Illuminate\Http\Request;

/**
 * Class SortableHeader
 *
 * Either whitelist the headers you want to make sortable
 * or blacklist the headers you do not want to become sortable.
 *
 * If nothing is specified, all headers are sortable.
 *
 * @package hamburgscleanest\DataTables\Models\HeaderFormatters
 */
class SortableHeader implements HeaderFormatter {

    const SORTING_SEPARATOR = '~';
    const COLUMN_SEPARATOR  = '.';

    /** @var string */
    private $_defaultDirection = 'asc';

    /** @var array */
    private $_sortableHeaders;

    /** @var array */
    private $_dontSort;

    /** @var array */
    private $_sortingSymbols = ['asc' => '&#x25B2;', 'desc' => '&#x25BC;', 'none' => '⇵'];

    /**
     * SortableHeader constructor.
     *
     * @param array $sortableHeaders
     * @param array $dontSort
     */
    public function __construct(array $sortableHeaders = [], array $dontSort = [])
    {
        $this->_sortableHeaders = $sortableHeaders;
        $this->_dontSort = $dontSort;

    }

    /**
     * @param array $sortingSymbols
     * @return $this
     */
    public function sortingSymbols(array $sortingSymbols)
    {
        $this->_sortingSymbols = $sortingSymbols;

        return $this;
    }

    /**
     * Add a field to the sortable fields.
     *
     * @param string $header
     * @return $this
     */
    public function makeSortable(string $header)
    {
        $this->_sortableHeaders[] = $header;
        $this->_removeIndex($this->_dontSort, $header);

        return $this;
    }

    /**
     * @param array $array
     * @param string $key
     */
    private function _removeIndex(array $array, string $key)
    {
        $index = \array_search($key, $array, true);
        if ($index !== false)
        {
            unset($array[$index]);
        }
    }

    /**
     * Remove the ability to sort by this column/header.
     *
     * @param string $header
     * @return $this
     */
    public function dontSort(string $header)
    {
        $this->_dontSort[] = $header;
        $this->_removeIndex($this->_sortableHeaders, $header);

        return $this;
    }

    /**
     * Adds a link to sort by this header/column.
     * Also indicates how the columns are sorted (when sorted).
     *
     * @param Header $header
     * @param Request $request
     * @throws \RuntimeException
     */
    public function format(Header $header, Request $request)
    {
        $headerAttributeName = $header->getOriginalName();

        $sortFields = $this->_extractSortFields($request);
        $direction = $sortFields[$headerAttributeName] ?? 'none';

        if ($this->_showSortLink($headerAttributeName))
        {
            $header->name = '<a class="sortable-header" href="' . $this->_buildSortUrl($request, $headerAttributeName, $direction) . '">' . $header->name .
                            ' <span class="sort-symbol">' . ($this->_sortingSymbols[$direction] ?? '') . '</span></a>';
        }
    }

    /**
     * @param Request $request
     * @return array
     */
    private function _extractSortFields(Request $request)
    {
        return \array_diff(
            $this->_getSortFields($request) + $this->_getRememberedState($request) + $this->_getDefaultSorting($this->_sortableHeaders),
            $this->_getDefaultSorting($this->_dontSort)
        );
    }

    /**
     * Get the sorted fields from the request.
     *
     * @param Request $request
     * @return array
     */
    private function _getSortFields(Request $request): array
    {
        $sortFields = $request->get('sort');
        if ($sortFields === null)
        {
            return [];
        }

        $sorting = [];
        foreach (\explode(self::COLUMN_SEPARATOR, $sortFields) as $field)
        {
            $sortParts = $this->_getSortParts($field);
            $sorting[$sortParts[0]] = \mb_strtolower($sortParts[1]);
        }

        return $sorting;
    }

    /**
     * Get the name of the field and the sorting direction (default: "asc").
     *
     * @param string $field
     * @return array
     */
    private function _getSortParts(string $field): array
    {
        $sortParts = \explode(self::SORTING_SEPARATOR, $field);
        if (\count($sortParts) === 1)
        {
            $sortParts[1] = $this->_defaultDirection;
        }

        return $sortParts;
    }

    /**
     * @param Request $request
     * @return array
     */
    private function _getRememberedState(Request $request): array
    {
        return SessionHelper::getState($request, 'sort', []);
    }

    /**
     * @param array $sortFields
     * @return array
     */
    private function _getDefaultSorting(array $sortFields): array
    {
        $sorting = [];
        foreach ($sortFields as $field)
        {
            $sorting[$field] = 'none';
        }

        return $sorting;
    }

    /**
     * @param $headerAttributeName
     * @return bool
     */
    private function _showSortLink(string $headerAttributeName): bool
    {
        return \count($this->_sortableHeaders + $this->_dontSort) === 0 ||
               (\in_array($headerAttributeName, $this->_sortableHeaders, true) && !\in_array($headerAttributeName, $this->_dontSort, true));
    }

    /**
     * @param Request $request
     * @param string $column
     * @param string $oldDirection
     * @return string
     * @throws \RuntimeException
     */
    private function _buildSortUrl(Request $request, string $column, string $oldDirection = 'asc')
    {
        $newDirection = $this->_getNewDirection($oldDirection);

        $newSorting = $column . self::SORTING_SEPARATOR . $newDirection;
        $parameters = UrlHelper::parameterizeQuery($request->getQueryString());

        if (!isset($parameters['sort']))
        {
            $parameters['sort'] = '';
        }

        $columnRegex = '/(^|\\' . self::COLUMN_SEPARATOR . ')' . $column . self::SORTING_SEPARATOR . $oldDirection . '/';
        $replacedCount = 0;
        $parameters['sort'] = \preg_replace($columnRegex, self::COLUMN_SEPARATOR . $newSorting, $parameters['sort'], 1, $replacedCount);

        if (!empty($parameters['sort']) && $parameters['sort'][0] === self::COLUMN_SEPARATOR)
        {
            $parameters['sort'] = \mb_substr($parameters['sort'], 1);
        }

        if ($replacedCount === 0)
        {
            $sorting = $newSorting;
            if (!empty($parameters['sort']))
            {
                $sorting = self::COLUMN_SEPARATOR . $sorting;
            }
            $parameters['sort'] .= $sorting;
        }

        return $request->url() . '?' . \http_build_query($parameters);
    }

    /**
     * Get the next sorting direction.
     *
     * @param string $oldDirection
     * @return string
     */
    private function _getNewDirection(string $oldDirection): string
    {
        switch ($oldDirection)
        {
            case 'asc':
                $newDirection = 'desc';
                break;
            case 'desc':
                $newDirection = 'none';
                break;
            default:
                $newDirection = 'asc';
        }

        return $newDirection;
    }
}

1		<?php
2
3		namespace hamburgscleanest\DataTables\Models\HeaderFormatters;
4
5		use hamburgscleanest\DataTables\Facades\SessionHelper;
6		use hamburgscleanest\DataTables\Facades\UrlHelper;
7		use hamburgscleanest\DataTables\Interfaces\HeaderFormatter;
8		use hamburgscleanest\DataTables\Models\Header;
9		use Illuminate\Http\Request;
10
11		/**
12		* Class SortableHeader
13		*
14		* Either whitelist the headers you want to make sortable
15		* or blacklist the headers you do not want to become sortable.
16		*
17		* If nothing is specified, all headers are sortable.
18		*
19		* @package hamburgscleanest\DataTables\Models\HeaderFormatters
20		*/
21		class SortableHeader implements HeaderFormatter {
22
23		const SORTING_SEPARATOR = '~';
24		const COLUMN_SEPARATOR = '.';
25
26		/** @var string */
27		private $_defaultDirection = 'asc';
28
29		/** @var array */
30		private $_sortableHeaders;
31
32		/** @var array */
33		private $_dontSort;
34
35		/** @var array */
36		private $_sortingSymbols = ['asc' => '▲', 'desc' => '▼', 'none' => '⇵'];
37
38		/**
39		* SortableHeader constructor.
40		*
41		* @param array $sortableHeaders
42		* @param array $dontSort
43		*/
44	6	public function __construct(array $sortableHeaders = [], array $dontSort = [])
45		{
46	6	$this->_sortableHeaders = $sortableHeaders;
47	6	$this->_dontSort = $dontSort;
48
49	6	}
50
51		/**
52		* @param array $sortingSymbols
53		* @return $this
54		*/
55	1	public function sortingSymbols(array $sortingSymbols)
56		{
57	1	$this->_sortingSymbols = $sortingSymbols;
58
59	1	return $this;
60		}
61
62		/**
63		* Add a field to the sortable fields.
64		*
65		* @param string $header
66		* @return $this
67		*/
68	1	public function makeSortable(string $header)
69		{
70	1	$this->_sortableHeaders[] = $header;
71	1	$this->_removeIndex($this->_dontSort, $header);
72
73	1	return $this;
74		}
75
76		/**
77		* @param array $array
78		* @param string $key
79		*/
80	2	private function _removeIndex(array $array, string $key)
81		{
82	2	$index = \array_search($key, $array, true);
83	2	if ($index !== false)
84		{
85	1	unset($array[$index]);
86		}
87	2	}
88
89		/**
90		* Remove the ability to sort by this column/header.
91		*
92		* @param string $header
93		* @return $this
94		*/
95	1	public function dontSort(string $header)
96		{
97	1	$this->_dontSort[] = $header;
98	1	$this->_removeIndex($this->_sortableHeaders, $header);
99
100	1	return $this;
101		}
102
103		/**
104		* Adds a link to sort by this header/column.
105		* Also indicates how the columns are sorted (when sorted).
106		*
107		* @param Header $header
108		* @param Request $request
109		* @throws \RuntimeException
110		*/
111	6	public function format(Header $header, Request $request)
112		{
113	6	$headerAttributeName = $header->getOriginalName();
114
115	6	$sortFields = $this->_extractSortFields($request);
116	6	$direction = $sortFields[$headerAttributeName] ?? 'none';
117
118	6	if ($this->_showSortLink($headerAttributeName))
119		{
120	5	$header->name = '<a class="sortable-header" href="' . $this->_buildSortUrl($request, $headerAttributeName, $direction) . '">' . $header->name .
121	5	' <span class="sort-symbol">' . ($this->_sortingSymbols[$direction] ?? '') . '</span></a>';
122		}
123	6	}
124
125		/**
126		* @param Request $request
127		* @return array
128		*/
129	6	private function _extractSortFields(Request $request)
130		{
131	6	return \array_diff(
132	6	$this->_getSortFields($request) + $this->_getRememberedState($request) + $this->_getDefaultSorting($this->_sortableHeaders),
133	6	$this->_getDefaultSorting($this->_dontSort)
134		);
135		}
136
137		/**
138		* Get the sorted fields from the request.
139		*
140		* @param Request $request
141		* @return array
142		*/
143	6	private function _getSortFields(Request $request): array
144		{
145	6	$sortFields = $request->get('sort');
146	6	if ($sortFields === null)
147		{
148	5	return [];
149		}
150
151	1	$sorting = [];
152	1	foreach (\explode(self::COLUMN_SEPARATOR, $sortFields) as $field)
153		{
154	1	$sortParts = $this->_getSortParts($field);
155	1	$sorting[$sortParts[0]] = \mb_strtolower($sortParts[1]);
156		}
157
158	1	return $sorting;
159		}
160
161		/**
162		* Get the name of the field and the sorting direction (default: "asc").
163		*
164		* @param string $field
165		* @return array
166		*/
167	1	private function _getSortParts(string $field): array
168		{
169	1	$sortParts = \explode(self::SORTING_SEPARATOR, $field);
170	1	if (\count($sortParts) === 1)
171		{
172		$sortParts[1] = $this->_defaultDirection;
173		}
174
175	1	return $sortParts;
176		}
177
178		/**
179		* @param Request $request
180		* @return array
181		*/
182	6	private function _getRememberedState(Request $request): array
183		{
184	6	return SessionHelper::getState($request, 'sort', []);
185		}
186
187		/**
188		* @param array $sortFields
189		* @return array
190		*/
191	6	private function _getDefaultSorting(array $sortFields): array
192		{
193	6	$sorting = [];
194	6	foreach ($sortFields as $field)
195		{
196	6	$sorting[$field] = 'none';
197		}
198
199	6	return $sorting;
200		}
201
202		/**
203		* @param $headerAttributeName
204		* @return bool
205		*/
206	6	private function _showSortLink(string $headerAttributeName): bool
207		{
208	6	return \count($this->_sortableHeaders + $this->_dontSort) === 0 \|\|
209	6	(\in_array($headerAttributeName, $this->_sortableHeaders, true) && !\in_array($headerAttributeName, $this->_dontSort, true));
210		}
211
212		/**
213		* @param Request $request
214		* @param string $column
215		* @param string $oldDirection
216		* @return string
217		* @throws \RuntimeException
218		*/
219	5	private function _buildSortUrl(Request $request, string $column, string $oldDirection = 'asc')
220		{
221	5	$newDirection = $this->_getNewDirection($oldDirection);
222
223	5	$newSorting = $column . self::SORTING_SEPARATOR . $newDirection;
224	5	$parameters = UrlHelper::parameterizeQuery($request->getQueryString());
225
226	5	if (!isset($parameters['sort']))
227		{
228	5	$parameters['sort'] = '';
229		}
230
231	5	$columnRegex = '/(^\|\\' . self::COLUMN_SEPARATOR . ')' . $column . self::SORTING_SEPARATOR . $oldDirection . '/';
232	5	$replacedCount = 0;
233	5	$parameters['sort'] = \preg_replace($columnRegex, self::COLUMN_SEPARATOR . $newSorting, $parameters['sort'], 1, $replacedCount);
234
235	5	if (!empty($parameters['sort']) && $parameters['sort'][0] === self::COLUMN_SEPARATOR)
236		{
237		$parameters['sort'] = \mb_substr($parameters['sort'], 1);
238		}
239
240	5	if ($replacedCount === 0)
241		{
242	5	$sorting = $newSorting;
243	5	if (!empty($parameters['sort']))
244		{
245		$sorting = self::COLUMN_SEPARATOR . $sorting;
246		}
247	5	$parameters['sort'] .= $sorting;
248		}
249
250	5	return $request->url() . '?' . \http_build_query($parameters);
251		}
252
253		/**
254		* Get the next sorting direction.
255		*
256		* @param string $oldDirection
257		* @return string
258		*/
259	5	private function _getNewDirection(string $oldDirection): string
260		{
261		switch ($oldDirection)
262		{
263	5	case 'asc':
264	1	$newDirection = 'desc';
265	1	break;
266	4	case 'desc':
267		$newDirection = 'none';
268		break;
269		default:
270	4	$newDirection = 'asc';
271		}
272
273	5	return $newDirection;
274		}
275		}

hamburgscleanest / data-tables

Push — master ( 5db6db...9c44af )

SortableHeader::_getSortParts() A

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