Builder::decodeCallbackFunctions() - Code Metrics - Inspection of "Update paging docblock." - yajra/laravel-datatables - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( bdd298...368b40 )

by Arjay

created 2016-02-18 05:59 UTC

Builder::decodeCallbackFunctions() A

↳ Parent: Builder

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	8
rs	9.4285
cc	2
eloc	4
nc	2
nop	2

<?php

namespace Yajra\Datatables\Html;

use Collective\Html\FormBuilder;
use Collective\Html\HtmlBuilder;
use Illuminate\Contracts\Config\Repository;
use Illuminate\Contracts\View\Factory;
use Illuminate\Routing\UrlGenerator;
use Illuminate\Support\Collection;
use Illuminate\Support\Str;

/**
 * Class Builder
 *
 * @package Yajra\Datatables\Html
 */
class Builder
{
    /**
     * @var Collection
     */
    public $collection;

    /**
     * @var Repository
     */
    public $config;

    /**
     * @var Factory
     */
    public $view;

    /**
     * @var HtmlBuilder
     */
    public $html;

    /**
     * @var UrlGenerator
     */
    public $url;

    /**
     * @var FormBuilder
     */
    public $form;

    /**
     * @var string|array
     */
    protected $ajax = '';

    /**
     * @var array
     */
    protected $tableAttributes = ['class' => 'table', 'id' => 'dataTableBuilder'];

    /**
     * @var string
     */
    protected $template = '';

    /**
     * @var array
     */
    protected $attributes = [];

    /**
     * Lists of valid DataTables Callbacks.
     *
     * @link https://datatables.net/reference/option/.
     * @var array
     */
    protected $validCallbacks = [
        'createdRow',
        'drawCallback',
        'footerCallback',
        'formatNumber',
        'headerCallback',
        'infoCallback',
        'initComplete',
        'preDrawCallback',
        'rowCallback',
        'stateLoadCallback',
        'stateLoaded',
        'stateLoadParams',
        'stateSaveCallback',
        'stateSaveParams',
    ];

    /**
     * @param Repository $config
     * @param Factory $view
     * @param HtmlBuilder $html
     * @param UrlGenerator $url
     * @param FormBuilder $form
     */
    public function __construct(
        Repository $config,
        Factory $view,
        HtmlBuilder $html,
        UrlGenerator $url,
        FormBuilder $form
    ) {
        $this->config     = $config;
        $this->view       = $view;
        $this->html       = $html;
        $this->url        = $url;
        $this->collection = new Collection;
        $this->form       = $form;
    }

    /**
     * Generate DataTable javascript.
     *
     * @param  null $script
     * @param  array $attributes
     * @return string
     */
    public function scripts($script = null, array $attributes = ['type' => 'text/javascript'])
    {
        $script = $script ?: $this->generateScripts();

        return '<script' . $this->html->attributes($attributes) . '>' . $script . '</script>' . PHP_EOL;
    }

    /**
     * Get generated raw scripts.
     *
     * @return string
     */
    public function generateScripts()
    {
        $args = array_merge(
            $this->attributes, [
                'ajax'    => $this->ajax,
                'columns' => $this->collection->toArray(),
            ]
        );

        $parameters = $this->parameterize($args);

        return sprintf(
            $this->template(),
            $this->tableAttributes['id'], $parameters
        );
    }

    /**
     * Generate DataTables js parameters.
     *
     * @param  array $attributes
     * @return string
     */
    public function parameterize($attributes = [])
    {
        $parameters = (new Parameters($attributes))->toArray();

        list($columnFunctions, $parameters) = $this->encodeColumnFunctions($parameters);
        list($callbackFunctions, $parameters) = $this->encodeCallbackFunctions($parameters);

        $json = json_encode($parameters);

        $json = $this->decodeColumnFunctions($columnFunctions, $json);
        $json = $this->decodeCallbackFunctions($callbackFunctions, $json);

        return $json;
    }

    /**
     * Encode columns render function.
     *
     * @param array $parameters
     * @return array
     */
    protected function encodeColumnFunctions(array $parameters)
    {
        $columnFunctions = [];
        foreach ($parameters['columns'] as $i => $column) {
            unset($parameters['columns'][$i]['exportable']);
            unset($parameters['columns'][$i]['printable']);

            if (isset($column['render'])) {
                $columnFunctions[$i]                 = $column['render'];
                $parameters['columns'][$i]['render'] = "#column_function.{$i}#";
            }
        }

        return [$columnFunctions, $parameters];
    }

    /**
     * Encode DataTables callbacks function.
     *
     * @param array $parameters
     * @return array
     */
    protected function encodeCallbackFunctions(array $parameters)
    {
        $callbackFunctions = [];
        foreach ($parameters as $key => $callback) {
            if (in_array($key, $this->validCallbacks)) {
                $callbackFunctions[$key] = $this->compileCallback($callback);
                $parameters[$key]        = "#callback_function.{$key}#";
            }
        }

        return [$callbackFunctions, $parameters];
    }

    /**
     * Compile DataTable callback value.
     *
     * @param mixed $callback
     * @return mixed|string
     */
    private function compileCallback($callback)
    {
        if (is_callable($callback)) {
            return value($callback);
        } elseif ($this->view->exists($callback)) {
            return $this->view->make($callback)->render();
        }

        return $callback;
    }

    /**
     * Decode columns render functions.
     *
     * @param array $columnFunctions
     * @param string $json
     * @return string
     */
    protected function decodeColumnFunctions(array $columnFunctions, $json)
    {
        foreach ($columnFunctions as $i => $function) {
            $json = str_replace("\"#column_function.{$i}#\"", $function, $json);
        }

        return $json;
    }

    /**
     * Decode DataTables callbacks function.
     *
     * @param array $callbackFunctions
     * @param string $json
     * @return string
     */
    protected function decodeCallbackFunctions(array $callbackFunctions, $json)
    {
        foreach ($callbackFunctions as $i => $function) {
            $json = str_replace("\"#callback_function.{$i}#\"", $function, $json);
        }

        return $json;
    }

    /**
     * Get javascript template to use.
     *
     * @return string
     */
    protected function template()
    {
        return $this->view->make(
            $this->template ?: $this->config->get('datatables.script_template', 'datatables::script')
        )->render();
    }

    /**
     * Add a column in collection using attributes.
     *
     * @param  array $attributes
     * @return $this
     */
    public function addColumn(array $attributes)
    {
        $this->collection->push(new Column($attributes));

        return $this;
    }

    /**
     * Add a Column object in collection.
     *
     * @param \Yajra\Datatables\Html\Column $column
     * @return $this
     */
    public function add(Column $column)
    {
        $this->collection->push($column);

        return $this;
    }

    /**
     * Set datatables columns from array definition.
     *
     * @param array $columns
     * @return $this
     */
    public function columns(array $columns)
    {
        foreach ($columns as $key => $value) {
            if (is_array($value)) {
                $attributes = array_merge(['name' => $key, 'data' => $key], $this->setTitle($key, $value));
            } else {
                $attributes = [
                    'name'  => $value,
                    'data'  => $value,
                    'title' => $this->getQualifiedTitle($value),
                ];
            }

            $this->collection->push(new Column($attributes));
        }

        return $this;
    }

    /**
     * Set title attribute of an array if not set.
     *
     * @param string $title
     * @param array $attributes
     * @return array
     */
    public function setTitle($title, array $attributes)
    {
        if (! isset($attributes['title'])) {
            $attributes['title'] = $this->getQualifiedTitle($title);
        }

        return $attributes;
    }

    /**
     * Convert string into a readable title.
     *
     * @param string $title
     * @return string
     */
    public function getQualifiedTitle($title)
    {
        return Str::title(str_replace(['.', '_'], ' ', Str::snake($title)));
    }

    /**
     * Add a checkbox column.
     *
     * @param  array $attributes
     * @return $this
     */
    public function addCheckbox(array $attributes = [])
    {
        $attributes = array_merge([
            'defaultContent' => '<input type="checkbox" ' . $this->html->attributes($attributes) . '/>',
            'title'          => $this->form->checkbox('', '', false, ['id' => 'dataTablesCheckbox']),
            'data'           => 'checkbox',
            'name'           => 'checkbox',
            'orderable'      => false,
            'searchable'     => false,
            'exportable'     => false,
            'printable'      => true,
            'width'          => '10px',
        ], $attributes);
        $this->collection->push(new Column($attributes));

        return $this;
    }

    /**
     * Add a action column.
     *
     * @param  array $attributes
     * @return $this
     */
    public function addAction(array $attributes = [])
    {
        $attributes = array_merge([
            'defaultContent' => '',
            'data'           => 'action',
            'name'           => 'action',
            'title'          => 'Action',
            'render'         => null,
            'orderable'      => false,
            'searchable'     => false,
            'exportable'     => false,
            'printable'      => true,
        ], $attributes);
        $this->collection->push(new Column($attributes));

        return $this;
    }

    /**
     * Setup ajax parameter
     *
     * @param  string|array $attributes
     * @return $this
     */
    public function ajax($attributes)
    {
        $this->ajax = $attributes;

        return $this;
    }

    /**
     * Generate DataTable's table html.
     *
     * @param  array $attributes
     * @return string
     */
    public function table(array $attributes = [])
    {
        $this->tableAttributes = array_merge($this->tableAttributes, $attributes);

        return '<table ' . $this->html->attributes($this->tableAttributes) . '></table>';
    }

    /**
     * Configure DataTable's parameters.
     *
     * @param  array $attributes
     * @return $this
     */
    public function parameters(array $attributes = [])
    {
        $this->attributes = array_merge($this->attributes, $attributes);

        return $this;
    }

    /**
     * Set custom javascript template.
     *
     * @param string $template
     * @return $this
     */
    public function setTemplate($template)
    {
        $this->template = $template;

        return $this;
    }

    /**
     * Get collection of columns.
     *
     * @return Collection
     */
    public function getColumns()
    {
        return $this->collection;
    }
}


1			<?php
2
3			namespace Yajra\Datatables\Html;
4
5			use Collective\Html\FormBuilder;
6			use Collective\Html\HtmlBuilder;
7			use Illuminate\Contracts\Config\Repository;
8			use Illuminate\Contracts\View\Factory;
9			use Illuminate\Routing\UrlGenerator;
10			use Illuminate\Support\Collection;
11			use Illuminate\Support\Str;
12
13			/**
14			* Class Builder
15			*
16			* @package Yajra\Datatables\Html
17			*/
18			class Builder
19			{
20			/**
21			* @var Collection
22			*/
23			public $collection;
24
25			/**
26			* @var Repository
27			*/
28			public $config;
29
30			/**
31			* @var Factory
32			*/
33			public $view;
34
35			/**
36			* @var HtmlBuilder
37			*/
38			public $html;
39
40			/**
41			* @var UrlGenerator
42			*/
43			public $url;
44
45			/**
46			* @var FormBuilder
47			*/
48			public $form;
49
50			/**
51			* @var string\|array
52			*/
53			protected $ajax = '';
54
55			/**
56			* @var array
57			*/
58			protected $tableAttributes = ['class' => 'table', 'id' => 'dataTableBuilder'];
59
60			/**
61			* @var string
62			*/
63			protected $template = '';
64
65			/**
66			* @var array
67			*/
68			protected $attributes = [];
69
70			/**
71			* Lists of valid DataTables Callbacks.
72			*
73			* @link https://datatables.net/reference/option/.
74			* @var array
75			*/
76			protected $validCallbacks = [
77			'createdRow',
78			'drawCallback',
79			'footerCallback',
80			'formatNumber',
81			'headerCallback',
82			'infoCallback',
83			'initComplete',
84			'preDrawCallback',
85			'rowCallback',
86			'stateLoadCallback',
87			'stateLoaded',
88			'stateLoadParams',
89			'stateSaveCallback',
90			'stateSaveParams',
91			];
92
93			/**
94			* @param Repository $config
95			* @param Factory $view
96			* @param HtmlBuilder $html
97			* @param UrlGenerator $url
98			* @param FormBuilder $form
99			*/
100			public function __construct(
101			Repository $config,
102			Factory $view,
103			HtmlBuilder $html,
104			UrlGenerator $url,
105			FormBuilder $form
106			) {
107			$this->config = $config;
108			$this->view = $view;
109			$this->html = $html;
110			$this->url = $url;
111			$this->collection = new Collection;
112			$this->form = $form;
113			}
114
115			/**
116			* Generate DataTable javascript.
117			*
118			* @param null $script
119			* @param array $attributes
120			* @return string
121			*/
122			public function scripts($script = null, array $attributes = ['type' => 'text/javascript'])
123			{
124			$script = $script ?: $this->generateScripts();
125
126			return '<script' . $this->html->attributes($attributes) . '>' . $script . '</script>' . PHP_EOL;
127			}
128
129			/**
130			* Get generated raw scripts.
131			*
132			* @return string
133			*/
134			public function generateScripts()
135			{
136			$args = array_merge(
137			$this->attributes, [
138			'ajax' => $this->ajax,
139			'columns' => $this->collection->toArray(),
140			]
141			);
142
143			$parameters = $this->parameterize($args);
144
145			return sprintf(
146			$this->template(),
147			$this->tableAttributes['id'], $parameters
148			);
149			}
150
151			/**
152			* Generate DataTables js parameters.
153			*
154			* @param array $attributes
155			* @return string
156			*/
157			public function parameterize($attributes = [])
158			{
159			$parameters = (new Parameters($attributes))->toArray();
160
161			list($columnFunctions, $parameters) = $this->encodeColumnFunctions($parameters);
162			list($callbackFunctions, $parameters) = $this->encodeCallbackFunctions($parameters);
163
164			$json = json_encode($parameters);
165
166			$json = $this->decodeColumnFunctions($columnFunctions, $json);
167			$json = $this->decodeCallbackFunctions($callbackFunctions, $json);
168
169			return $json;
170			}
171
172			/**
173			* Encode columns render function.
174			*
175			* @param array $parameters
176			* @return array
177			*/
178			protected function encodeColumnFunctions(array $parameters)
179			{
180			$columnFunctions = [];
181			foreach ($parameters['columns'] as $i => $column) {
182			unset($parameters['columns'][$i]['exportable']);
183			unset($parameters['columns'][$i]['printable']);
184
185			if (isset($column['render'])) {
186			$columnFunctions[$i] = $column['render'];
187			$parameters['columns'][$i]['render'] = "#column_function.{$i}#";
188			}
189			}
190
191			return [$columnFunctions, $parameters];
192			}
193
194			/**
195			* Encode DataTables callbacks function.
196			*
197			* @param array $parameters
198			* @return array
199			*/
200			protected function encodeCallbackFunctions(array $parameters)
201			{
202			$callbackFunctions = [];
203			foreach ($parameters as $key => $callback) {
204			if (in_array($key, $this->validCallbacks)) {
205			$callbackFunctions[$key] = $this->compileCallback($callback);
206			$parameters[$key] = "#callback_function.{$key}#";
207			}
208			}
209
210			return [$callbackFunctions, $parameters];
211			}
212
213			/**
214			* Compile DataTable callback value.
215			*
216			* @param mixed $callback
217			* @return mixed\|string
218			*/
219			private function compileCallback($callback)
220			{
221			if (is_callable($callback)) {
222			return value($callback);
223			} elseif ($this->view->exists($callback)) {
224			return $this->view->make($callback)->render();
225			}
226
227			return $callback;
228			}
229
230			/**
231			* Decode columns render functions.
232			*
233			* @param array $columnFunctions
234			* @param string $json
235			* @return string
236			*/
237			protected function decodeColumnFunctions(array $columnFunctions, $json)
238			{
239			foreach ($columnFunctions as $i => $function) {
240			$json = str_replace("\"#column_function.{$i}#\"", $function, $json);
241			}
242
243			return $json;
244			}
245
246			/**
247			* Decode DataTables callbacks function.
248			*
249			* @param array $callbackFunctions
250			* @param string $json
251			* @return string
252			*/
253			protected function decodeCallbackFunctions(array $callbackFunctions, $json)
254			{
255			foreach ($callbackFunctions as $i => $function) {
256			$json = str_replace("\"#callback_function.{$i}#\"", $function, $json);
257			}
258
259			return $json;
260			}
261
262			/**
263			* Get javascript template to use.
264			*
265			* @return string
266			*/
267			protected function template()
268			{
269			return $this->view->make(
270			$this->template ?: $this->config->get('datatables.script_template', 'datatables::script')
271			)->render();
272			}
273
274			/**
275			* Add a column in collection using attributes.
276			*
277			* @param array $attributes
278			* @return $this
279			*/
280			public function addColumn(array $attributes)
281			{
282			$this->collection->push(new Column($attributes));
283
284			return $this;
285			}
286
287			/**
288			* Add a Column object in collection.
289			*
290			* @param \Yajra\Datatables\Html\Column $column
291			* @return $this
292			*/
293			public function add(Column $column)
294			{
295			$this->collection->push($column);
296
297			return $this;
298			}
299
300			/**
301			* Set datatables columns from array definition.
302			*
303			* @param array $columns
304			* @return $this
305			*/
306			public function columns(array $columns)
307			{
308			foreach ($columns as $key => $value) {
309			if (is_array($value)) {
310			$attributes = array_merge(['name' => $key, 'data' => $key], $this->setTitle($key, $value));
311			} else {
312			$attributes = [
313			'name' => $value,
314			'data' => $value,
315			'title' => $this->getQualifiedTitle($value),
316			];
317			}
318
319			$this->collection->push(new Column($attributes));
320			}
321
322			return $this;
323			}
324
325			/**
326			* Set title attribute of an array if not set.
327			*
328			* @param string $title
329			* @param array $attributes
330			* @return array
331			*/
332			public function setTitle($title, array $attributes)
333			{
334			if (! isset($attributes['title'])) {
335			$attributes['title'] = $this->getQualifiedTitle($title);
336			}
337
338			return $attributes;
339			}
340
341			/**
342			* Convert string into a readable title.
343			*
344			* @param string $title
345			* @return string
346			*/
347			public function getQualifiedTitle($title)
348			{
349			return Str::title(str_replace(['.', '_'], ' ', Str::snake($title)));
350			}
351
352			/**
353			* Add a checkbox column.
354			*
355			* @param array $attributes
356			* @return $this
357			*/
358			public function addCheckbox(array $attributes = [])
359			{
360			$attributes = array_merge([
361			'defaultContent' => '<input type="checkbox" ' . $this->html->attributes($attributes) . '/>',
362			'title' => $this->form->checkbox('', '', false, ['id' => 'dataTablesCheckbox']),
363			'data' => 'checkbox',
364			'name' => 'checkbox',
365			'orderable' => false,
366			'searchable' => false,
367			'exportable' => false,
368			'printable' => true,
369			'width' => '10px',
370			], $attributes);
371			$this->collection->push(new Column($attributes));
372
373			return $this;
374			}
375
376			/**
377			* Add a action column.
378			*
379			* @param array $attributes
380			* @return $this
381			*/
382			public function addAction(array $attributes = [])
383			{
384			$attributes = array_merge([
385			'defaultContent' => '',
386			'data' => 'action',
387			'name' => 'action',
388			'title' => 'Action',
389			'render' => null,
390			'orderable' => false,
391			'searchable' => false,
392			'exportable' => false,
393			'printable' => true,
394			], $attributes);
395			$this->collection->push(new Column($attributes));
396
397			return $this;
398			}
399
400			/**
401			* Setup ajax parameter
402			*
403			* @param string\|array $attributes
404			* @return $this
405			*/
406			public function ajax($attributes)
407			{
408			$this->ajax = $attributes;
409
410			return $this;
411			}
412
413			/**
414			* Generate DataTable's table html.
415			*
416			* @param array $attributes
417			* @return string
418			*/
419			public function table(array $attributes = [])
420			{
421			$this->tableAttributes = array_merge($this->tableAttributes, $attributes);
422
423			return '<table ' . $this->html->attributes($this->tableAttributes) . '></table>';
424			}
425
426			/**
427			* Configure DataTable's parameters.
428			*
429			* @param array $attributes
430			* @return $this
431			*/
432			public function parameters(array $attributes = [])
433			{
434			$this->attributes = array_merge($this->attributes, $attributes);
435
436			return $this;
437			}
438
439			/**
440			* Set custom javascript template.
441			*
442			* @param string $template
443			* @return $this
444			*/
445			public function setTemplate($template)
446			{
447			$this->template = $template;
448
449			return $this;
450			}
451
452			/**
453			* Get collection of columns.
454			*
455			* @return Collection
456			*/
457			public function getColumns()
458			{
459			return $this->collection;
460			}
461			}
462

yajra / laravel-datatables

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Builder::decodeCallbackFunctions() A

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