BaseEngine::removeColumn() - Code Metrics - Inspection of "Extract fractal integration to own plugin." - yajra/laravel-datatables - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( b38d46...cfdcaf )

by Arjay

created 2017-06-30 06:52 UTC

BaseEngine::removeColumn() A

↳ Parent: BaseEngine

Complexity

Conditions	1
Paths	1

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	4
nc	1
nop	0
dl	0
loc	7
rs	9.4285
c	0
b	0
f	0

<?php

namespace Yajra\Datatables\Engines;

use Illuminate\Contracts\Logging\Log;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Macroable;
use Yajra\Datatables\Contracts\DataTableEngine;
use Yajra\Datatables\Exception;
use Yajra\Datatables\Helper;
use Yajra\Datatables\Processors\DataProcessor;

/**
 * Class BaseEngine.
 *
 * @package Yajra\Datatables\Engines
 * @method setTransformer($transformer)
 * @method setSerializer($transformer)
 * @see https://github.com/yajra/laravel-datatables-fractal for transformer related methods.
 * @author  Arjay Angeles <[email protected]>
 */
abstract class BaseEngine implements DataTableEngine
{
    use Macroable;

    /**
     * Datatables Request object.
     *
     * @var \Yajra\Datatables\Request
     */
    public $request;

    /**
     * @var \Illuminate\Contracts\Logging\Log
     */
    protected $logger;

    /**
     * Array of result columns/fields.
     *
     * @var array
     */
    protected $columns = [];

    /**
     * DT columns definitions container (add/edit/remove/filter/order/escape).
     *
     * @var array
     */
    protected $columnDef = [
        'index'  => false,
        'append' => [],
        'edit'   => [],
        'filter' => [],
        'order'  => [],
    ];

    /**
     * Extra/Added columns.
     *
     * @var array
     */
    protected $extraColumns = [];

    /**
     * Total records.
     *
     * @var int
     */
    protected $totalRecords = 0;

    /**
     * Total filtered records.
     *
     * @var int
     */
    protected $filteredRecords = 0;

    /**
     * Auto-filter flag.
     *
     * @var bool
     */
    protected $autoFilter = true;

    /**
     * Callback to override global search.
     *
     * @var callable
     */
    protected $filterCallback;

    /**
     * DT row templates container.
     *
     * @var array
     */
    protected $templates = [
        'DT_RowId'    => '',
        'DT_RowClass' => '',
        'DT_RowData'  => [],
        'DT_RowAttr'  => [],
    ];

    /**
     * [internal] Track if any filter was applied for at least one column.
     *
     * @var boolean
     */
    protected $isFilterApplied = false;

    /**
     * Custom ordering callback.
     *
     * @var callable
     */
    protected $orderCallback;

    /**
     * Skip paginate as needed.
     *
     * @var bool
     */
    protected $skipPaging = false;

    /**
     * Array of data to append on json response.
     *
     * @var array
     */
    protected $appends = [];

    /**
     * @var \Yajra\Datatables\Config
     */
    protected $config;

    /**
     * Add column in collection.
     *
     * @param string          $name
     * @param string|callable $content
     * @param bool|int        $order
     * @return $this
     */
    public function addColumn($name, $content, $order = false)
    {
        $this->extraColumns[] = $name;

        $this->columnDef['append'][] = ['name' => $name, 'content' => $content, 'order' => $order];

        return $this;
    }

    /**
     * Add DT row index column on response.
     *
     * @return $this
     */
    public function addIndexColumn()
    {
        $this->columnDef['index'] = true;

        return $this;
    }

    /**
     * Edit column's content.
     *
     * @param string          $name
     * @param string|callable $content
     * @return $this
     */
    public function editColumn($name, $content)
    {
        $this->columnDef['edit'][] = ['name' => $name, 'content' => $content];

        return $this;
    }

    /**
     * Remove column from collection.
     *
     * @return $this
     */
    public function removeColumn()
    {
        $names                     = func_get_args();
        $this->columnDef['excess'] = array_merge($this->columnDef['excess'], $names);

        return $this;
    }

    /**
     * Declare columns to escape values.
     *
     * @param string|array $columns
     * @return $this
     */
    public function escapeColumns($columns = '*')
    {
        $this->columnDef['escape'] = $columns;

        return $this;
    }

    /**
     * Set columns that should not be escaped.
     *
     * @param array $columns
     * @return $this
     */
    public function rawColumns(array $columns)
    {
        $this->columnDef['raw'] = $columns;

        return $this;
    }

    /**
     * Sets DT_RowClass template.
     * result: <tr class="output_from_your_template">.
     *
     * @param string|callable $content
     * @return $this
     */
    public function setRowClass($content)
    {
        $this->templates['DT_RowClass'] = $content;

        return $this;
    }

    /**
     * Sets DT_RowId template.
     * result: <tr id="output_from_your_template">.
     *
     * @param string|callable $content
     * @return $this
     */
    public function setRowId($content)
    {
        $this->templates['DT_RowId'] = $content;

        return $this;
    }

    /**
     * Set DT_RowData templates.
     *
     * @param array $data
     * @return $this
     */
    public function setRowData(array $data)
    {
        $this->templates['DT_RowData'] = $data;

        return $this;
    }

    /**
     * Add DT_RowData template.
     *
     * @param string          $key
     * @param string|callable $value
     * @return $this
     */
    public function addRowData($key, $value)
    {
        $this->templates['DT_RowData'][$key] = $value;

        return $this;
    }

    /**
     * Set DT_RowAttr templates.
     * result: <tr attr1="attr1" attr2="attr2">.
     *
     * @param array $data
     * @return $this
     */
    public function setRowAttr(array $data)
    {
        $this->templates['DT_RowAttr'] = $data;

        return $this;
    }

    /**
     * Add DT_RowAttr template.
     *
     * @param string          $key
     * @param string|callable $value
     * @return $this
     */
    public function addRowAttr($key, $value)
    {
        $this->templates['DT_RowAttr'][$key] = $value;

        return $this;
    }

    /**
     * Append data on json response.
     *
     * @param mixed $key
     * @param mixed $value
     * @return $this
     */
    public function with($key, $value = '')
    {
        if (is_array($key)) {
            $this->appends = $key;
        } elseif (is_callable($value)) {
            $this->appends[$key] = value($value);
        } else {
            $this->appends[$key] = value($value);
        }

        return $this;
    }

    /**
     * Override default ordering method with a closure callback.
     *
     * @param callable $closure
     * @return $this
     */
    public function order(callable $closure)
    {
        $this->orderCallback = $closure;

        return $this;
    }

    /**
     * Update list of columns that is not allowed for search/sort.
     *
     * @param  array $blacklist
     * @return $this
     */
    public function blacklist(array $blacklist)
    {
        $this->columnDef['blacklist'] = $blacklist;

        return $this;
    }

    /**
     * Update list of columns that is allowed for search/sort.
     *
     * @param  string|array $whitelist
     * @return $this
     */
    public function whitelist($whitelist = '*')
    {
        $this->columnDef['whitelist'] = $whitelist;

        return $this;
    }

    /**
     * Set smart search config at runtime.
     *
     * @param bool $bool
     * @return $this
     */
    public function smart($bool = true)
    {
        $this->config->set(['datatables.search.smart' => $bool]);

        return $this;
    }

    /**
     * Set total records manually.
     *
     * @param int $total
     * @return $this
     */
    public function setTotalRecords($total)
    {
        $this->totalRecords = $total;

        return $this;
    }

    /**
     * Skip pagination as needed.
     *
     * @return $this
     */
    public function skipPaging()
    {
        $this->skipPaging = true;

        return $this;
    }

    /**
     * Push a new column name to blacklist.
     *
     * @param string $column
     * @return $this
     */
    public function pushToBlacklist($column)
    {
        if (!$this->isBlacklisted($column)) {
            $this->columnDef['blacklist'][] = $column;
        }

        return $this;
    }

    /**
     * Check if column is blacklisted.
     *
     * @param string $column
     * @return bool
     */
    protected function isBlacklisted($column)
    {
        $colDef = $this->getColumnsDefinition();

        if (in_array($column, $colDef['blacklist'])) {
            return true;
        }

        if ($colDef['whitelist'] === '*' || in_array($column, $colDef['whitelist'])) {
            return false;
        }

        return true;
    }

    /**
     * Get columns definition.
     *
     * @return array
     */
    protected function getColumnsDefinition()
    {
        $config  = $this->config->get('datatables.columns');
        $allowed = ['excess', 'escape', 'raw', 'blacklist', 'whitelist'];

        return array_merge(array_only($config, $allowed), $this->columnDef);
    }

    /**
     * Perform sorting of columns.
     */
    public function ordering()
    {
        if ($this->orderCallback) {
            return call_user_func($this->orderCallback, $this->resolveCallbackParameter());
        }

        return $this->defaultOrdering();
    }

    /**
     * Resolve callback parameter instance.
     *
     * @return mixed
     */
    abstract protected function resolveCallbackParameter();

    /**
     * Perform default query orderBy clause.
     */
    abstract protected function defaultOrdering();

    /**
     * Set auto filter off and run your own filter.
     * Overrides global search.
     *
     * @param callable $callback
     * @param bool     $globalSearch
     * @return $this
     */
    public function filter(callable $callback, $globalSearch = false)
    {
        $this->autoFilter      = $globalSearch;
        $this->isFilterApplied = true;
        $this->filterCallback  = $callback;

        return $this;
    }

    /**
     * Perform necessary filters.
     *
     * @return void
     */
    protected function filterRecords()
    {
        if ($this->autoFilter && $this->request->isSearchable()) {
            $this->filtering();
        }

        if (is_callable($this->filterCallback)) {
            call_user_func($this->filterCallback, $this->resolveCallbackParameter());
        }

        $this->columnSearch();
        $this->filteredRecords = $this->isFilterApplied ? $this->count() : $this->totalRecords;
    }

    /**
     * Perform global search.
     *
     * @return void
     */
    public function filtering()
    {
        $keyword = $this->request->keyword();

        if ($this->config->isMultiTerm()) {
            $this->smartGlobalSearch($keyword);

            return;
        }

        $this->globalSearch($keyword);
    }

    /**
     * Perform multi-term search by splitting keyword into
     * individual words and searches for each of them.
     *
     * @param string $keyword
     */
    protected function smartGlobalSearch($keyword)
    {
        $keywords = array_filter(explode(' ', $keyword));

        foreach ($keywords as $keyword) {
            $this->globalSearch($keyword);
        }
    }

    /**
     * Perform global search for the given keyword.
     *
     * @param string $keyword
     */
    abstract protected function globalSearch($keyword);

    /**
     * Apply pagination.
     *
     * @return void
     */
    protected function paginate()
    {
        if ($this->request->isPaginationable() && !$this->skipPaging) {
            $this->paging();
        }
    }

    /**
     * Transform output.
     *
     * @param mixed $output
     * @return array
     */
    protected function transform($output)
    {
        if (isset($this->transformer) && class_exists('Yajra\\Datatables\\Transformers\\FractalTransformer')) {
            return resolve('datatables.transformer')->transform($output, $this->transformer, $this->serializer ?? null);
class MyClass { }

$x = new MyClass();
$x->foo = true;
        }

        return Helper::transform($output);
    }

    /**
     * Get processed data.
     *
     * @param bool|false $object
     * @return array
     */
    protected function getProcessedData($object = false)
    {
        $processor = new DataProcessor(
            $this->results(),
            $this->getColumnsDefinition(),
            $this->templates,
            $this->request->input('start')
        );

        return $processor->process($object);
    }

    /**
     * Render json response.
     *
     * @param array $data
     * @return \Illuminate\Http\JsonResponse
     */
    protected function render(array $data)
    {
        $output = array_merge([
            'draw'            => (int) $this->request->input('draw'),
            'recordsTotal'    => $this->totalRecords,
            'recordsFiltered' => $this->filteredRecords,
            'data'            => $data,
        ], $this->appends);

        if ($this->config->isDebugging()) {
            $output = $this->showDebugger($output);
        }

        return new JsonResponse(
            $output,
            200,
            $this->config->get('datatables.json.header', []),
            $this->config->get('datatables.json.options', 0)
        );
    }

    /**
     * Append debug parameters on output.
     *
     * @param  array $output
     * @return array
     */
    abstract protected function showDebugger(array $output);

    /**
     * Return an error json response.
     *
     * @param \Exception $exception
     * @return \Illuminate\Http\JsonResponse
     * @throws \Yajra\Datatables\Exception
     */
    protected function errorResponse(\Exception $exception)
    {
        $error = $this->config->get('datatables.error');
        if ($error === 'throw') {
            throw new Exception($exception->getMessage(), $code = 0, $exception);
        }

        $this->getLogger()->error($exception);

        return new JsonResponse([
            'draw'            => (int) $this->request->input('draw'),
            'recordsTotal'    => (int) $this->totalRecords,
            'recordsFiltered' => 0,
            'data'            => [],
            'error'           => $error ? __($error) : "Exception Message:\n\n" . $exception->getMessage(),
        ]);
    }

    /**
     * Get monolog/logger instance.
     *
     * @return \Illuminate\Contracts\Logging\Log
     */
    public function getLogger()
    {
        $this->logger = $this->logger ?: resolve(Log::class);

        return $this->logger;
    }

    /**
     * Set monolog/logger instance.
     *
     * @param \Illuminate\Contracts\Logging\Log $logger
     * @return $this
     */
    public function setLogger(Log $logger)
    {
        $this->logger = $logger;

        return $this;
    }

    /**
     * Setup search keyword.
     *
     * @param  string $value
     * @return string
     */
    protected function setupKeyword($value)
    {
        if ($this->config->isSmartSearch()) {
            $keyword = '%' . $value . '%';
            if ($this->config->isWildcard()) {
                $keyword = Helper::wildcardLikeString($value);
            }
            // remove escaping slash added on js script request
            $keyword = str_replace('\\', '%', $keyword);

            return $keyword;
        }

        return $value;
    }

    /**
     * Get column name to be use for filtering and sorting.
     *
     * @param integer $index
     * @param bool    $wantsAlias
     * @return string
     */
    protected function getColumnName($index, $wantsAlias = false)
    {
        $column = $this->request->columnName($index);

        // DataTables is using make(false)
        if (is_numeric($column)) {
            $column = $this->getColumnNameByIndex($index);
        }

        if (Str::contains(Str::upper($column), ' AS ')) {
            $column = Helper::extractColumnName($column, $wantsAlias);
        }

        return $column;
    }

    /**
     * Get column name by order column index.
     *
     * @param int $index
     * @return string
     */
    protected function getColumnNameByIndex($index)
    {
        $name = (isset($this->columns[$index]) && $this->columns[$index] != '*') ? $this->columns[$index] : $this->getPrimaryKeyName();

        return in_array($name, $this->extraColumns, true) ? $this->getPrimaryKeyName() : $name;
    }

    /**
     * If column name could not be resolved then use primary key.
     *
     * @return string
     */
    protected function getPrimaryKeyName()
    {
        return 'id';
    }
}


1			<?php
2
3			namespace Yajra\Datatables\Engines;
4
5			use Illuminate\Contracts\Logging\Log;
6			use Illuminate\Http\JsonResponse;
7			use Illuminate\Support\Str;
8			use Illuminate\Support\Traits\Macroable;
9			use Yajra\Datatables\Contracts\DataTableEngine;
10			use Yajra\Datatables\Exception;
11			use Yajra\Datatables\Helper;
12			use Yajra\Datatables\Processors\DataProcessor;
13
14			/**
15			* Class BaseEngine.
16			*
17			* @package Yajra\Datatables\Engines
18			* @method setTransformer($transformer)
19			* @method setSerializer($transformer)
20			* @see https://github.com/yajra/laravel-datatables-fractal for transformer related methods.
21			* @author Arjay Angeles <[email protected]>
22			*/
23			abstract class BaseEngine implements DataTableEngine
24			{
25			use Macroable;
26
27			/**
28			* Datatables Request object.
29			*
30			* @var \Yajra\Datatables\Request
31			*/
32			public $request;
33
34			/**
35			* @var \Illuminate\Contracts\Logging\Log
36			*/
37			protected $logger;
38
39			/**
40			* Array of result columns/fields.
41			*
42			* @var array
43			*/
44			protected $columns = [];
45
46			/**
47			* DT columns definitions container (add/edit/remove/filter/order/escape).
48			*
49			* @var array
50			*/
51			protected $columnDef = [
52			'index' => false,
53			'append' => [],
54			'edit' => [],
55			'filter' => [],
56			'order' => [],
57			];
58
59			/**
60			* Extra/Added columns.
61			*
62			* @var array
63			*/
64			protected $extraColumns = [];
65
66			/**
67			* Total records.
68			*
69			* @var int
70			*/
71			protected $totalRecords = 0;
72
73			/**
74			* Total filtered records.
75			*
76			* @var int
77			*/
78			protected $filteredRecords = 0;
79
80			/**
81			* Auto-filter flag.
82			*
83			* @var bool
84			*/
85			protected $autoFilter = true;
86
87			/**
88			* Callback to override global search.
89			*
90			* @var callable
91			*/
92			protected $filterCallback;
93
94			/**
95			* DT row templates container.
96			*
97			* @var array
98			*/
99			protected $templates = [
100			'DT_RowId' => '',
101			'DT_RowClass' => '',
102			'DT_RowData' => [],
103			'DT_RowAttr' => [],
104			];
105
106			/**
107			* [internal] Track if any filter was applied for at least one column.
108			*
109			* @var boolean
110			*/
111			protected $isFilterApplied = false;
112
113			/**
114			* Custom ordering callback.
115			*
116			* @var callable
117			*/
118			protected $orderCallback;
119
120			/**
121			* Skip paginate as needed.
122			*
123			* @var bool
124			*/
125			protected $skipPaging = false;
126
127			/**
128			* Array of data to append on json response.
129			*
130			* @var array
131			*/
132			protected $appends = [];
133
134			/**
135			* @var \Yajra\Datatables\Config
136			*/
137			protected $config;
138
139			/**
140			* Add column in collection.
141			*
142			* @param string $name
143			* @param string\|callable $content
144			* @param bool\|int $order
145			* @return $this
146			*/
147			public function addColumn($name, $content, $order = false)
148			{
149			$this->extraColumns[] = $name;
150
151			$this->columnDef['append'][] = ['name' => $name, 'content' => $content, 'order' => $order];
152
153			return $this;
154			}
155
156			/**
157			* Add DT row index column on response.
158			*
159			* @return $this
160			*/
161			public function addIndexColumn()
162			{
163			$this->columnDef['index'] = true;
164
165			return $this;
166			}
167
168			/**
169			* Edit column's content.
170			*
171			* @param string $name
172			* @param string\|callable $content
173			* @return $this
174			*/
175			public function editColumn($name, $content)
176			{
177			$this->columnDef['edit'][] = ['name' => $name, 'content' => $content];
178
179			return $this;
180			}
181
182			/**
183			* Remove column from collection.
184			*
185			* @return $this
186			*/
187			public function removeColumn()
188			{
189			$names = func_get_args();
190			$this->columnDef['excess'] = array_merge($this->columnDef['excess'], $names);
191
192			return $this;
193			}
194
195			/**
196			* Declare columns to escape values.
197			*
198			* @param string\|array $columns
199			* @return $this
200			*/
201			public function escapeColumns($columns = '*')
202			{
203			$this->columnDef['escape'] = $columns;
204
205			return $this;
206			}
207
208			/**
209			* Set columns that should not be escaped.
210			*
211			* @param array $columns
212			* @return $this
213			*/
214			public function rawColumns(array $columns)
215			{
216			$this->columnDef['raw'] = $columns;
217
218			return $this;
219			}
220
221			/**
222			* Sets DT_RowClass template.
223			* result: <tr class="output_from_your_template">.
224			*
225			* @param string\|callable $content
226			* @return $this
227			*/
228			public function setRowClass($content)
229			{
230			$this->templates['DT_RowClass'] = $content;
231
232			return $this;
233			}
234
235			/**
236			* Sets DT_RowId template.
237			* result: <tr id="output_from_your_template">.
238			*
239			* @param string\|callable $content
240			* @return $this
241			*/
242			public function setRowId($content)
243			{
244			$this->templates['DT_RowId'] = $content;
245
246			return $this;
247			}
248
249			/**
250			* Set DT_RowData templates.
251			*
252			* @param array $data
253			* @return $this
254			*/
255			public function setRowData(array $data)
256			{
257			$this->templates['DT_RowData'] = $data;
258
259			return $this;
260			}
261
262			/**
263			* Add DT_RowData template.
264			*
265			* @param string $key
266			* @param string\|callable $value
267			* @return $this
268			*/
269			public function addRowData($key, $value)
270			{
271			$this->templates['DT_RowData'][$key] = $value;
272
273			return $this;
274			}
275
276			/**
277			* Set DT_RowAttr templates.
278			* result: <tr attr1="attr1" attr2="attr2">.
279			*
280			* @param array $data
281			* @return $this
282			*/
283			public function setRowAttr(array $data)
284			{
285			$this->templates['DT_RowAttr'] = $data;
286
287			return $this;
288			}
289
290			/**
291			* Add DT_RowAttr template.
292			*
293			* @param string $key
294			* @param string\|callable $value
295			* @return $this
296			*/
297			public function addRowAttr($key, $value)
298			{
299			$this->templates['DT_RowAttr'][$key] = $value;
300
301			return $this;
302			}
303
304			/**
305			* Append data on json response.
306			*
307			* @param mixed $key
308			* @param mixed $value
309			* @return $this
310			*/
311			public function with($key, $value = '')
312			{
313			if (is_array($key)) {
314			$this->appends = $key;
315			} elseif (is_callable($value)) {
316			$this->appends[$key] = value($value);
317			} else {
318			$this->appends[$key] = value($value);
319			}
320
321			return $this;
322			}
323
324			/**
325			* Override default ordering method with a closure callback.
326			*
327			* @param callable $closure
328			* @return $this
329			*/
330			public function order(callable $closure)
331			{
332			$this->orderCallback = $closure;
333
334			return $this;
335			}
336
337			/**
338			* Update list of columns that is not allowed for search/sort.
339			*
340			* @param array $blacklist
341			* @return $this
342			*/
343			public function blacklist(array $blacklist)
344			{
345			$this->columnDef['blacklist'] = $blacklist;
346
347			return $this;
348			}
349
350			/**
351			* Update list of columns that is allowed for search/sort.
352			*
353			* @param string\|array $whitelist
354			* @return $this
355			*/
356			public function whitelist($whitelist = '*')
357			{
358			$this->columnDef['whitelist'] = $whitelist;
359
360			return $this;
361			}
362
363			/**
364			* Set smart search config at runtime.
365			*
366			* @param bool $bool
367			* @return $this
368			*/
369			public function smart($bool = true)
370			{
371			$this->config->set(['datatables.search.smart' => $bool]);
372
373			return $this;
374			}
375
376			/**
377			* Set total records manually.
378			*
379			* @param int $total
380			* @return $this
381			*/
382			public function setTotalRecords($total)
383			{
384			$this->totalRecords = $total;
385
386			return $this;
387			}
388
389			/**
390			* Skip pagination as needed.
391			*
392			* @return $this
393			*/
394			public function skipPaging()
395			{
396			$this->skipPaging = true;
397
398			return $this;
399			}
400
401			/**
402			* Push a new column name to blacklist.
403			*
404			* @param string $column
405			* @return $this
406			*/
407			public function pushToBlacklist($column)
408			{
409			if (!$this->isBlacklisted($column)) {
410			$this->columnDef['blacklist'][] = $column;
411			}
412
413			return $this;
414			}
415
416			/**
417			* Check if column is blacklisted.
418			*
419			* @param string $column
420			* @return bool
421			*/
422			protected function isBlacklisted($column)
423			{
424			$colDef = $this->getColumnsDefinition();
425
426			if (in_array($column, $colDef['blacklist'])) {
427			return true;
428			}
429
430			if ($colDef['whitelist'] === '*' \|\| in_array($column, $colDef['whitelist'])) {
431			return false;
432			}
433
434			return true;
435			}
436
437			/**
438			* Get columns definition.
439			*
440			* @return array
441			*/
442			protected function getColumnsDefinition()
443			{
444			$config = $this->config->get('datatables.columns');
445			$allowed = ['excess', 'escape', 'raw', 'blacklist', 'whitelist'];
446
447			return array_merge(array_only($config, $allowed), $this->columnDef);
448			}
449
450			/**
451			* Perform sorting of columns.
452			*/
453			public function ordering()
454			{
455			if ($this->orderCallback) {
456			return call_user_func($this->orderCallback, $this->resolveCallbackParameter());
457			}
458
459			return $this->defaultOrdering();
460			}
461
462			/**
463			* Resolve callback parameter instance.
464			*
465			* @return mixed
466			*/
467			abstract protected function resolveCallbackParameter();
468
469			/**
470			* Perform default query orderBy clause.
471			*/
472			abstract protected function defaultOrdering();
473
474			/**
475			* Set auto filter off and run your own filter.
476			* Overrides global search.
477			*
478			* @param callable $callback
479			* @param bool $globalSearch
480			* @return $this
481			*/
482			public function filter(callable $callback, $globalSearch = false)
483			{
484			$this->autoFilter = $globalSearch;
485			$this->isFilterApplied = true;
486			$this->filterCallback = $callback;
487
488			return $this;
489			}
490
491			/**
492			* Perform necessary filters.
493			*
494			* @return void
495			*/
496			protected function filterRecords()
497			{
498			if ($this->autoFilter && $this->request->isSearchable()) {
499			$this->filtering();
500			}
501
502			if (is_callable($this->filterCallback)) {
503			call_user_func($this->filterCallback, $this->resolveCallbackParameter());
504			}
505
506			$this->columnSearch();
507			$this->filteredRecords = $this->isFilterApplied ? $this->count() : $this->totalRecords;
508			}
509
510			/**
511			* Perform global search.
512			*
513			* @return void
514			*/
515			public function filtering()
516			{
517			$keyword = $this->request->keyword();
518
519			if ($this->config->isMultiTerm()) {
520			$this->smartGlobalSearch($keyword);
521
522			return;
523			}
524
525			$this->globalSearch($keyword);
526			}
527
528			/**
529			* Perform multi-term search by splitting keyword into
530			* individual words and searches for each of them.
531			*
532			* @param string $keyword
533			*/
534			protected function smartGlobalSearch($keyword)
535			{
536			$keywords = array_filter(explode(' ', $keyword));
537
538			foreach ($keywords as $keyword) {
539			$this->globalSearch($keyword);
540			}
541			}
542
543			/**
544			* Perform global search for the given keyword.
545			*
546			* @param string $keyword
547			*/
548			abstract protected function globalSearch($keyword);
549
550			/**
551			* Apply pagination.
552			*
553			* @return void
554			*/
555			protected function paginate()
556			{
557			if ($this->request->isPaginationable() && !$this->skipPaging) {
558			$this->paging();
559			}
560			}
561
562			/**
563			* Transform output.
564			*
565			* @param mixed $output
566			* @return array
567			*/
568			protected function transform($output)
569			{
570			if (isset($this->transformer) && class_exists('Yajra\\Datatables\\Transformers\\FractalTransformer')) {
571			return resolve('datatables.transformer')->transform($output, $this->transformer, $this->serializer ?? null);
			0 ignored issues – show Bug introduced 2017-06-30 06:59 UTC by Report Bug Copy Issue Report The property `transformer` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history... Bug introduced 2017-06-30 06:59 UTC by Report Bug Copy Issue Report The property `serializer` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history...
572			}
573
574			return Helper::transform($output);
575			}
576
577			/**
578			* Get processed data.
579			*
580			* @param bool\|false $object
581			* @return array
582			*/
583			protected function getProcessedData($object = false)
584			{
585			$processor = new DataProcessor(
586			$this->results(),
587			$this->getColumnsDefinition(),
588			$this->templates,
589			$this->request->input('start')
590			);
591
592			return $processor->process($object);
593			}
594
595			/**
596			* Render json response.
597			*
598			* @param array $data
599			* @return \Illuminate\Http\JsonResponse
600			*/
601			protected function render(array $data)
602			{
603			$output = array_merge([
604			'draw' => (int) $this->request->input('draw'),
605			'recordsTotal' => $this->totalRecords,
606			'recordsFiltered' => $this->filteredRecords,
607			'data' => $data,
608			], $this->appends);
609
610			if ($this->config->isDebugging()) {
611			$output = $this->showDebugger($output);
612			}
613
614			return new JsonResponse(
615			$output,
616			200,
617			$this->config->get('datatables.json.header', []),
618			$this->config->get('datatables.json.options', 0)
619			);
620			}
621
622			/**
623			* Append debug parameters on output.
624			*
625			* @param array $output
626			* @return array
627			*/
628			abstract protected function showDebugger(array $output);
629
630			/**
631			* Return an error json response.
632			*
633			* @param \Exception $exception
634			* @return \Illuminate\Http\JsonResponse
635			* @throws \Yajra\Datatables\Exception
636			*/
637			protected function errorResponse(\Exception $exception)
638			{
639			$error = $this->config->get('datatables.error');
640			if ($error === 'throw') {
641			throw new Exception($exception->getMessage(), $code = 0, $exception);
642			}
643
644			$this->getLogger()->error($exception);
645
646			return new JsonResponse([
647			'draw' => (int) $this->request->input('draw'),
648			'recordsTotal' => (int) $this->totalRecords,
649			'recordsFiltered' => 0,
650			'data' => [],
651			'error' => $error ? __($error) : "Exception Message:\n\n" . $exception->getMessage(),
652			]);
653			}
654
655			/**
656			* Get monolog/logger instance.
657			*
658			* @return \Illuminate\Contracts\Logging\Log
659			*/
660			public function getLogger()
661			{
662			$this->logger = $this->logger ?: resolve(Log::class);
663
664			return $this->logger;
665			}
666
667			/**
668			* Set monolog/logger instance.
669			*
670			* @param \Illuminate\Contracts\Logging\Log $logger
671			* @return $this
672			*/
673			public function setLogger(Log $logger)
674			{
675			$this->logger = $logger;
676
677			return $this;
678			}
679
680			/**
681			* Setup search keyword.
682			*
683			* @param string $value
684			* @return string
685			*/
686			protected function setupKeyword($value)
687			{
688			if ($this->config->isSmartSearch()) {
689			$keyword = '%' . $value . '%';
690			if ($this->config->isWildcard()) {
691			$keyword = Helper::wildcardLikeString($value);
692			}
693			// remove escaping slash added on js script request
694			$keyword = str_replace('\\', '%', $keyword);
695
696			return $keyword;
697			}
698
699			return $value;
700			}
701
702			/**
703			* Get column name to be use for filtering and sorting.
704			*
705			* @param integer $index
706			* @param bool $wantsAlias
707			* @return string
708			*/
709			protected function getColumnName($index, $wantsAlias = false)
710			{
711			$column = $this->request->columnName($index);
712
713			// DataTables is using make(false)
714			if (is_numeric($column)) {
715			$column = $this->getColumnNameByIndex($index);
716			}
717
718			if (Str::contains(Str::upper($column), ' AS ')) {
719			$column = Helper::extractColumnName($column, $wantsAlias);
720			}
721
722			return $column;
723			}
724
725			/**
726			* Get column name by order column index.
727			*
728			* @param int $index
729			* @return string
730			*/
731			protected function getColumnNameByIndex($index)
732			{
733			$name = (isset($this->columns[$index]) && $this->columns[$index] != '*') ? $this->columns[$index] : $this->getPrimaryKeyName();
734
735			return in_array($name, $this->extraColumns, true) ? $this->getPrimaryKeyName() : $name;
736			}
737
738			/**
739			* If column name could not be resolved then use primary key.
740			*
741			* @return string
742			*/
743			protected function getPrimaryKeyName()
744			{
745			return 'id';
746			}
747			}
748

yajra / laravel-datatables

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