QueryBuilderEngine::hasFilterColumn() - Code Metrics - Inspection of "Move eager load to eloquent engine." - yajra/laravel-datatables - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( aab2b5...386069 )

by Arjay

created 2017-06-30 01:20 UTC

QueryBuilderEngine::hasFilterColumn() A

↳ Parent: QueryBuilderEngine

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	4
rs	10
c	0
b	0
f	0

<?php

namespace Yajra\Datatables\Engines;

use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
use Illuminate\Database\Query\Builder;
use Illuminate\Database\Query\Expression;
use Illuminate\Support\Str;

/**
 * Class QueryBuilderEngine.
 *
 * @package Yajra\Datatables\Engines
 * @author  Arjay Angeles <[email protected]>
 */
class QueryBuilderEngine extends BaseEngine
{
    /**
     * Builder object.
     *
     * @var \Illuminate\Database\Query\Builder
     */
    protected $query;

    /**
     * Database connection used.
     *
     * @var \Illuminate\Database\Connection
     */
    protected $connection;

    /**
     * @param \Illuminate\Database\Query\Builder $builder
     */
    public function __construct(Builder $builder)
    {
        $this->query      = $builder;
        $this->request    = resolve('datatables.request');
        $this->config     = resolve('datatables.config');
        $this->columns    = $builder->columns;
        $this->connection = $builder->getConnection();
        if ($this->config->isDebugging()) {
            $this->connection->enableQueryLog();
        }
    }

    /**
     * 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)
    {
        $this->overrideGlobalSearch($callback, $this->query, $globalSearch);

        return $this;
    }

    /**
     * Organizes works.
     *
     * @param bool $mDataSupport
     * @return \Illuminate\Http\JsonResponse
     * @throws \Exception
     */
    public function make($mDataSupport = false)
    {
        try {
            $this->totalRecords = $this->totalCount();

            if ($this->totalRecords) {
                $this->filterRecords();
                $this->ordering();
                $this->paginate();
            }

            $data = $this->transform($this->getProcessedData($mDataSupport));

            return $this->render($data);
        } catch (\Exception $exception) {
            return $this->errorResponse($exception);
        }
    }

    /**
     * Count total items.
     *
     * @return integer
     */
    public function totalCount()
    {
        return $this->totalRecords ? $this->totalRecords : $this->count();
    }

    /**
     * Counts current query.
     *
     * @return int
     */
    public function count()
    {
        $builder = $this->prepareCountQuery();
        $table   = $this->connection->raw('(' . $builder->toSql() . ') count_row_table');

        return $this->connection->table($table)
                                ->setBindings($builder->getBindings())
                                ->count();
    }

    /**
     * Prepare count query builder.
     *
     * @return \Illuminate\Database\Query\Builder
     */
    protected function prepareCountQuery()
    {
        $builder = clone $this->query;

        if ($this->isComplexQuery($builder)) {
            $row_count = $this->wrap('row_count');
            $builder->select($this->connection->raw("'1' as {$row_count}"));
        }

        return $builder;
    }

    /**
     * Check if builder query uses complex sql.
     *
     * @param \Illuminate\Database\Query\Builder $builder
     * @return bool
     */
    protected function isComplexQuery($builder)
    {
        return !Str::contains(Str::lower($builder->toSql()), ['union', 'having', 'distinct', 'order by', 'group by']);
    }

    /**
     * Wrap column with DB grammar.
     *
     * @param string $column
     * @return string
     */
    protected function wrap($column)
    {
        return $this->connection->getQueryGrammar()->wrap($column);
    }

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

            return;
        }

        foreach ($this->request->orderableColumns() as $orderable) {
            $column = $this->getColumnName($orderable['column'], true);

            if ($this->isBlacklisted($column) && !$this->hasOrderColumn($column)) {
                continue;
            }

            if ($this->hasOrderColumn($column)) {
                $this->applyOrderColumn($column, $orderable);
                continue;
            }

            $column = $this->resolveRelationColumn($column);
            if ($this->nullsLast) {
                $this->getBaseQueryBuilder()->orderByRaw($this->getNullsLastSql($column, $orderable['direction']));
            } else {
                $this->getBaseQueryBuilder()->orderBy($column, $orderable['direction']);
            }
        }
    }

    /**
     * Get the base query builder instance.
     *
     * @param mixed $instance
     * @return \Illuminate\Database\Query\Builder
     */
    protected function getBaseQueryBuilder($instance = null)
    {
        if (!$instance) {
            $instance = $this->query;
        }

        if ($instance instanceof EloquentBuilder) {
            return $instance->getQuery();
        }

        return $instance;
    }

    /**
     * Check if column has custom sort handler.
     *
     * @param string $column
     * @return bool
     */
    protected function hasOrderColumn($column)
    {
        return isset($this->columnDef['order'][$column]);
    }

    /**
     * Apply orderColumn custom query.
     *
     * @param string $column
     * @param array  $orderable
     */
    protected function applyOrderColumn($column, $orderable): void
    {
        $sql      = $this->columnDef['order'][$column]['sql'];
        $sql      = str_replace('$1', $orderable['direction'], $sql);
        $bindings = $this->columnDef['order'][$column]['bindings'];
        $this->query->orderByRaw($sql, $bindings);
    }

    /**
     * Resolve the proper column name be used.
     *
     * @param string $column
     * @return string
     */
    protected function resolveRelationColumn($column)
    {
        return $column;
    }

    /**
     * Get NULLS LAST SQL.
     *
     * @param  string $column
     * @param  string $direction
     * @return string
     */
    protected function getNullsLastSql($column, $direction)
    {
        $sql = $this->config->get('datatables.nulls_last_sql', '%s %s NULLS LAST');

        return sprintf($sql, $column, $direction);
    }

    /**
     * Perform column search.
     *
     * @return void
     */
    public function columnSearch()
    {
        $columns = $this->request->columns();

        foreach ($columns as $index => $column) {
            if (!$this->request->isColumnSearchable($index)) {
                continue;
            }

            $column = $this->getColumnName($index);

            if ($this->hasFilterColumn($column)) {
                $keyword = $this->getColumnSearchKeyword($index, $raw = true);
                $this->applyFilterColumn($this->getBaseQueryBuilder(), $column, $keyword);
                continue;
            }

            $column  = $this->resolveRelationColumn($column);
            $keyword = $this->getColumnSearchKeyword($index);
            $this->compileColumnSearch($index, $column, $keyword);

            $this->isFilterApplied = true;
        }
    }

    /**
     * Check if column has custom filter handler.
     *
     * @param  string $columnName
     * @return bool
     */
    public function hasFilterColumn($columnName)
    {
        return isset($this->columnDef['filter'][$columnName]);
    }

    /**
     * Get column keyword to use for search.
     *
     * @param int  $i
     * @param bool $raw
     * @return string
     */
    protected function getColumnSearchKeyword($i, $raw = false)
    {
        $keyword = $this->request->columnKeyword($i);
        if ($raw || $this->request->isRegex($i)) {
            return $keyword;
        }

        return $this->setupKeyword($keyword);
    }

    /**
     * Apply filterColumn api search.
     *
     * @param Builder $query
     * @param string  $columnName
     * @param string  $keyword
     * @param string  $boolean
     */
    protected function applyFilterColumn(Builder $query, $columnName, $keyword, $boolean = 'and')
    {
        $callback = $this->columnDef['filter'][$columnName]['method'];
        $builder  = $query->newQuery();
        $callback($builder, $keyword);
        $query->addNestedWhereQuery($builder, $boolean);
    }

    /**
     * Compile queries for column search.
     *
     * @param int    $i
     * @param string $column
     * @param string $keyword
     */
    protected function compileColumnSearch($i, $column, $keyword)
    {
        if ($this->request->isRegex($i)) {
            $column = strstr($column, '(') ? $this->connection->raw($column) : $column;
            $this->regexColumnSearch($column, $keyword);
        } else {
            $this->compileQuerySearch($this->query, $column, $keyword, '');
        }
    }

    /**
     * Compile regex query column search.
     *
     * @param mixed  $column
     * @param string $keyword
     */
    protected function regexColumnSearch($column, $keyword)
    {
        switch ($this->connection->getDriverName()) {
            case 'oracle':
                $sql = !$this->config
                    ->isCaseInsensitive() ? 'REGEXP_LIKE( ' . $column . ' , ? )' : 'REGEXP_LIKE( LOWER(' . $column . ') , ?, \'i\' )';
                break;

            case 'pgsql':
                $sql = !$this->config->isCaseInsensitive() ? $column . ' ~ ?' : $column . ' ~* ? ';
                break;

            default:
                $sql     = !$this->config
                    ->isCaseInsensitive() ? $column . ' REGEXP ?' : 'LOWER(' . $column . ') REGEXP ?';
                $keyword = Str::lower($keyword);
        }

        $this->query->whereRaw($sql, [$keyword]);
    }

    /**
     * Compile query builder where clause depending on configurations.
     *
     * @param mixed  $query
     * @param string $column
     * @param string $keyword
     * @param string $relation
     */
    protected function compileQuerySearch($query, $column, $keyword, $relation = 'or')
    {
        $column = $this->addTablePrefix($query, $column);
        $column = $this->castColumn($column);
        $sql    = $column . ' LIKE ?';

        if ($this->config->isCaseInsensitive()) {
            $sql = 'LOWER(' . $column . ') LIKE ?';
        }

        $query->{$relation . 'WhereRaw'}($sql, [$this->prepareKeyword($keyword)]);
    }

    /**
     * Patch for fix about ambiguous field.
     * Ambiguous field error will appear when query use join table and search with keyword.
     *
     * @param mixed  $query
     * @param string $column
     * @return string
     */
    protected function addTablePrefix($query, $column)
    {
        if (strpos($column, '.') === false) {
            $q = $this->getBaseQueryBuilder($query);
            if (!$q->from instanceof Expression) {
                $column = $q->from . '.' . $column;
            }
        }

        return $this->wrap($column);
    }

    /**
     * Wrap a column and cast based on database driver.
     *
     * @param  string $column
     * @return string
     */
    protected function castColumn($column)
    {
        switch ($this->connection->getDriverName()) {
            case 'pgsql':
                return 'CAST(' . $column . ' as TEXT)';
            case 'firebird':
                return 'CAST(' . $column . ' as VARCHAR(255))';
            default:
                return $column;
        }
    }

    /**
     * Prepare search keyword based on configurations.
     *
     * @param string $keyword
     * @return string
     */
    protected function prepareKeyword($keyword)
    {
        if ($this->config->isCaseInsensitive()) {
            $keyword = Str::lower($keyword);
        }

        if ($this->config->isWildcard()) {
            $keyword = $this->wildcardLikeString($keyword);
        }

        if ($this->config->isSmartSearch()) {
            $keyword = "%$keyword%";
        }

        return $keyword;
    }

    /**
     * Perform pagination.
     *
     * @return void
     */
    public function paging()
    {
        $this->query->skip($this->request->input('start'))
                    ->take((int) $this->request->input('length') > 0 ? $this->request->input('length') : 10);
    }

    /**
     * Get paginated results.
     *
     * @return \Illuminate\Support\Collection
     */
    public function results()
    {
        return $this->query->get();
    }

    /**
     * Add column in collection.
     *
     * @param string          $name
     * @param string|callable $content
     * @param bool|int        $order
     * @return \Yajra\Datatables\Engines\BaseEngine|\Yajra\Datatables\Engines\QueryBuilderEngine
     */
    public function addColumn($name, $content, $order = false)
    {
        $this->pushToBlacklist($name);

        return parent::addColumn($name, $content, $order);
    }

    /**
     * Get query builder instance.
     *
     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
     */
    public function getQuery()
    {
        return $this->query;
    }

    /**
     * Perform global search for the given keyword.
     *
     * @param string $keyword
     */
    protected function globalSearch($keyword)
    {
        $this->query->where(function ($query) use ($keyword) {
            $query = $this->getBaseQueryBuilder($query);

            collect($this->request->searchableColumnIndex())
                ->map(function ($index) {
                    return $this->getColumnName($index);
                })
                ->reject(function ($column) {
                    return $this->isBlacklisted($column) && !$this->hasFilterColumn($column);
                })
                ->each(function ($column) use ($keyword, $query) {
                    if ($this->hasFilterColumn($column)) {
                        $this->applyFilterColumn($query, $column, $keyword, 'or');
                    } else {
                        $this->compileQuerySearch($query, $column, $keyword);
                    }

                    $this->isFilterApplied = true;
                });
        });
    }

    /**
     * Append debug parameters on output.
     *
     * @param  array $output
     * @return array
     */
    protected function showDebugger(array $output)
    {
        $output['queries'] = $this->connection->getQueryLog();
        $output['input']   = $this->request->all();

        return $output;
    }
}


1			<?php
2
3			namespace Yajra\Datatables\Engines;
4
5			use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
6			use Illuminate\Database\Query\Builder;
7			use Illuminate\Database\Query\Expression;
8			use Illuminate\Support\Str;
9
10			/**
11			* Class QueryBuilderEngine.
12			*
13			* @package Yajra\Datatables\Engines
14			* @author Arjay Angeles <[email protected]>
15			*/
16			class QueryBuilderEngine extends BaseEngine
17			{
18			/**
19			* Builder object.
20			*
21			* @var \Illuminate\Database\Query\Builder
22			*/
23			protected $query;
24
25			/**
26			* Database connection used.
27			*
28			* @var \Illuminate\Database\Connection
29			*/
30			protected $connection;
31
32			/**
33			* @param \Illuminate\Database\Query\Builder $builder
34			*/
35			public function __construct(Builder $builder)
36			{
37			$this->query = $builder;
38			$this->request = resolve('datatables.request');
39			$this->config = resolve('datatables.config');
40			$this->columns = $builder->columns;
41			$this->connection = $builder->getConnection();
42			if ($this->config->isDebugging()) {
43			$this->connection->enableQueryLog();
44			}
45			}
46
47			/**
48			* Set auto filter off and run your own filter.
49			* Overrides global search.
50			*
51			* @param callable $callback
52			* @param bool $globalSearch
53			* @return $this
54			*/
55			public function filter(callable $callback, $globalSearch = false)
56			{
57			$this->overrideGlobalSearch($callback, $this->query, $globalSearch);
58
59			return $this;
60			}
61
62			/**
63			* Organizes works.
64			*
65			* @param bool $mDataSupport
66			* @return \Illuminate\Http\JsonResponse
67			* @throws \Exception
68			*/
69			public function make($mDataSupport = false)
70			{
71			try {
72			$this->totalRecords = $this->totalCount();
73
74			if ($this->totalRecords) {
75			$this->filterRecords();
76			$this->ordering();
77			$this->paginate();
78			}
79
80			$data = $this->transform($this->getProcessedData($mDataSupport));
81
82			return $this->render($data);
83			} catch (\Exception $exception) {
84			return $this->errorResponse($exception);
85			}
86			}
87
88			/**
89			* Count total items.
90			*
91			* @return integer
92			*/
93			public function totalCount()
94			{
95			return $this->totalRecords ? $this->totalRecords : $this->count();
96			}
97
98			/**
99			* Counts current query.
100			*
101			* @return int
102			*/
103			public function count()
104			{
105			$builder = $this->prepareCountQuery();
106			$table = $this->connection->raw('(' . $builder->toSql() . ') count_row_table');
107
108			return $this->connection->table($table)
109			->setBindings($builder->getBindings())
110			->count();
111			}
112
113			/**
114			* Prepare count query builder.
115			*
116			* @return \Illuminate\Database\Query\Builder
117			*/
118			protected function prepareCountQuery()
119			{
120			$builder = clone $this->query;
121
122			if ($this->isComplexQuery($builder)) {
123			$row_count = $this->wrap('row_count');
124			$builder->select($this->connection->raw("'1' as {$row_count}"));
125			}
126
127			return $builder;
128			}
129
130			/**
131			* Check if builder query uses complex sql.
132			*
133			* @param \Illuminate\Database\Query\Builder $builder
134			* @return bool
135			*/
136			protected function isComplexQuery($builder)
137			{
138			return !Str::contains(Str::lower($builder->toSql()), ['union', 'having', 'distinct', 'order by', 'group by']);
139			}
140
141			/**
142			* Wrap column with DB grammar.
143			*
144			* @param string $column
145			* @return string
146			*/
147			protected function wrap($column)
148			{
149			return $this->connection->getQueryGrammar()->wrap($column);
150			}
151
152			/**
153			* Perform sorting of columns.
154			*
155			* @return void
156			*/
157			public function ordering()
158			{
159			if ($this->orderCallback) {
160			call_user_func($this->orderCallback, $this->getBaseQueryBuilder());
161
162			return;
163			}
164
165			foreach ($this->request->orderableColumns() as $orderable) {
166			$column = $this->getColumnName($orderable['column'], true);
167
168			if ($this->isBlacklisted($column) && !$this->hasOrderColumn($column)) {
169			continue;
170			}
171
172			if ($this->hasOrderColumn($column)) {
173			$this->applyOrderColumn($column, $orderable);
174			continue;
175			}
176
177			$column = $this->resolveRelationColumn($column);
178			if ($this->nullsLast) {
179			$this->getBaseQueryBuilder()->orderByRaw($this->getNullsLastSql($column, $orderable['direction']));
180			} else {
181			$this->getBaseQueryBuilder()->orderBy($column, $orderable['direction']);
182			}
183			}
184			}
185
186			/**
187			* Get the base query builder instance.
188			*
189			* @param mixed $instance
190			* @return \Illuminate\Database\Query\Builder
191			*/
192			protected function getBaseQueryBuilder($instance = null)
193			{
194			if (!$instance) {
195			$instance = $this->query;
196			}
197
198			if ($instance instanceof EloquentBuilder) {
199			return $instance->getQuery();
200			}
201
202			return $instance;
203			}
204
205			/**
206			* Check if column has custom sort handler.
207			*
208			* @param string $column
209			* @return bool
210			*/
211			protected function hasOrderColumn($column)
212			{
213			return isset($this->columnDef['order'][$column]);
214			}
215
216			/**
217			* Apply orderColumn custom query.
218			*
219			* @param string $column
220			* @param array $orderable
221			*/
222			protected function applyOrderColumn($column, $orderable): void
223			{
224			$sql = $this->columnDef['order'][$column]['sql'];
225			$sql = str_replace('$1', $orderable['direction'], $sql);
226			$bindings = $this->columnDef['order'][$column]['bindings'];
227			$this->query->orderByRaw($sql, $bindings);
228			}
229
230			/**
231			* Resolve the proper column name be used.
232			*
233			* @param string $column
234			* @return string
235			*/
236			protected function resolveRelationColumn($column)
237			{
238			return $column;
239			}
240
241			/**
242			* Get NULLS LAST SQL.
243			*
244			* @param string $column
245			* @param string $direction
246			* @return string
247			*/
248			protected function getNullsLastSql($column, $direction)
249			{
250			$sql = $this->config->get('datatables.nulls_last_sql', '%s %s NULLS LAST');
251
252			return sprintf($sql, $column, $direction);
253			}
254
255			/**
256			* Perform column search.
257			*
258			* @return void
259			*/
260			public function columnSearch()
261			{
262			$columns = $this->request->columns();
263
264			foreach ($columns as $index => $column) {
265			if (!$this->request->isColumnSearchable($index)) {
266			continue;
267			}
268
269			$column = $this->getColumnName($index);
270
271			if ($this->hasFilterColumn($column)) {
272			$keyword = $this->getColumnSearchKeyword($index, $raw = true);
273			$this->applyFilterColumn($this->getBaseQueryBuilder(), $column, $keyword);
274			continue;
275			}
276
277			$column = $this->resolveRelationColumn($column);
278			$keyword = $this->getColumnSearchKeyword($index);
279			$this->compileColumnSearch($index, $column, $keyword);
280
281			$this->isFilterApplied = true;
282			}
283			}
284
285			/**
286			* Check if column has custom filter handler.
287			*
288			* @param string $columnName
289			* @return bool
290			*/
291			public function hasFilterColumn($columnName)
292			{
293			return isset($this->columnDef['filter'][$columnName]);
294			}
295
296			/**
297			* Get column keyword to use for search.
298			*
299			* @param int $i
300			* @param bool $raw
301			* @return string
302			*/
303			protected function getColumnSearchKeyword($i, $raw = false)
304			{
305			$keyword = $this->request->columnKeyword($i);
306			if ($raw \|\| $this->request->isRegex($i)) {
307			return $keyword;
308			}
309
310			return $this->setupKeyword($keyword);
311			}
312
313			/**
314			* Apply filterColumn api search.
315			*
316			* @param Builder $query
317			* @param string $columnName
318			* @param string $keyword
319			* @param string $boolean
320			*/
321			protected function applyFilterColumn(Builder $query, $columnName, $keyword, $boolean = 'and')
322			{
323			$callback = $this->columnDef['filter'][$columnName]['method'];
324			$builder = $query->newQuery();
325			$callback($builder, $keyword);
326			$query->addNestedWhereQuery($builder, $boolean);
327			}
328
329			/**
330			* Compile queries for column search.
331			*
332			* @param int $i
333			* @param string $column
334			* @param string $keyword
335			*/
336			protected function compileColumnSearch($i, $column, $keyword)
337			{
338			if ($this->request->isRegex($i)) {
339			$column = strstr($column, '(') ? $this->connection->raw($column) : $column;
340			$this->regexColumnSearch($column, $keyword);
341			} else {
342			$this->compileQuerySearch($this->query, $column, $keyword, '');
343			}
344			}
345
346			/**
347			* Compile regex query column search.
348			*
349			* @param mixed $column
350			* @param string $keyword
351			*/
352			protected function regexColumnSearch($column, $keyword)
353			{
354			switch ($this->connection->getDriverName()) {
355			case 'oracle':
356			$sql = !$this->config
357			->isCaseInsensitive() ? 'REGEXP_LIKE( ' . $column . ' , ? )' : 'REGEXP_LIKE( LOWER(' . $column . ') , ?, \'i\' )';
358			break;
359
360			case 'pgsql':
361			$sql = !$this->config->isCaseInsensitive() ? $column . ' ~ ?' : $column . ' ~* ? ';
362			break;
363
364			default:
365			$sql = !$this->config
366			->isCaseInsensitive() ? $column . ' REGEXP ?' : 'LOWER(' . $column . ') REGEXP ?';
367			$keyword = Str::lower($keyword);
368			}
369
370			$this->query->whereRaw($sql, [$keyword]);
371			}
372
373			/**
374			* Compile query builder where clause depending on configurations.
375			*
376			* @param mixed $query
377			* @param string $column
378			* @param string $keyword
379			* @param string $relation
380			*/
381			protected function compileQuerySearch($query, $column, $keyword, $relation = 'or')
382			{
383			$column = $this->addTablePrefix($query, $column);
384			$column = $this->castColumn($column);
385			$sql = $column . ' LIKE ?';
386
387			if ($this->config->isCaseInsensitive()) {
388			$sql = 'LOWER(' . $column . ') LIKE ?';
389			}
390
391			$query->{$relation . 'WhereRaw'}($sql, [$this->prepareKeyword($keyword)]);
392			}
393
394			/**
395			* Patch for fix about ambiguous field.
396			* Ambiguous field error will appear when query use join table and search with keyword.
397			*
398			* @param mixed $query
399			* @param string $column
400			* @return string
401			*/
402			protected function addTablePrefix($query, $column)
403			{
404			if (strpos($column, '.') === false) {
405			$q = $this->getBaseQueryBuilder($query);
406			if (!$q->from instanceof Expression) {
407			$column = $q->from . '.' . $column;
408			}
409			}
410
411			return $this->wrap($column);
412			}
413
414			/**
415			* Wrap a column and cast based on database driver.
416			*
417			* @param string $column
418			* @return string
419			*/
420			protected function castColumn($column)
421			{
422			switch ($this->connection->getDriverName()) {
423			case 'pgsql':
424			return 'CAST(' . $column . ' as TEXT)';
425			case 'firebird':
426			return 'CAST(' . $column . ' as VARCHAR(255))';
427			default:
428			return $column;
429			}
430			}
431
432			/**
433			* Prepare search keyword based on configurations.
434			*
435			* @param string $keyword
436			* @return string
437			*/
438			protected function prepareKeyword($keyword)
439			{
440			if ($this->config->isCaseInsensitive()) {
441			$keyword = Str::lower($keyword);
442			}
443
444			if ($this->config->isWildcard()) {
445			$keyword = $this->wildcardLikeString($keyword);
446			}
447
448			if ($this->config->isSmartSearch()) {
449			$keyword = "%$keyword%";
450			}
451
452			return $keyword;
453			}
454
455			/**
456			* Perform pagination.
457			*
458			* @return void
459			*/
460			public function paging()
461			{
462			$this->query->skip($this->request->input('start'))
463			->take((int) $this->request->input('length') > 0 ? $this->request->input('length') : 10);
464			}
465
466			/**
467			* Get paginated results.
468			*
469			* @return \Illuminate\Support\Collection
470			*/
471			public function results()
472			{
473			return $this->query->get();
474			}
475
476			/**
477			* Add column in collection.
478			*
479			* @param string $name
480			* @param string\|callable $content
481			* @param bool\|int $order
482			* @return \Yajra\Datatables\Engines\BaseEngine\|\Yajra\Datatables\Engines\QueryBuilderEngine
483			*/
484			public function addColumn($name, $content, $order = false)
485			{
486			$this->pushToBlacklist($name);
487
488			return parent::addColumn($name, $content, $order);
489			}
490
491			/**
492			* Get query builder instance.
493			*
494			* @return \Illuminate\Database\Eloquent\Builder\|\Illuminate\Database\Query\Builder
495			*/
496			public function getQuery()
497			{
498			return $this->query;
499			}
500
501			/**
502			* Perform global search for the given keyword.
503			*
504			* @param string $keyword
505			*/
506			protected function globalSearch($keyword)
507			{
508			$this->query->where(function ($query) use ($keyword) {
509			$query = $this->getBaseQueryBuilder($query);
510
511			collect($this->request->searchableColumnIndex())
512			->map(function ($index) {
513			return $this->getColumnName($index);
514			})
515			->reject(function ($column) {
516			return $this->isBlacklisted($column) && !$this->hasFilterColumn($column);
517			})
518			->each(function ($column) use ($keyword, $query) {
519			if ($this->hasFilterColumn($column)) {
520			$this->applyFilterColumn($query, $column, $keyword, 'or');
521			} else {
522			$this->compileQuerySearch($query, $column, $keyword);
523			}
524
525			$this->isFilterApplied = true;
526			});
527			});
528			}
529
530			/**
531			* Append debug parameters on output.
532			*
533			* @param array $output
534			* @return array
535			*/
536			protected function showDebugger(array $output)
537			{
538			$output['queries'] = $this->connection->getQueryLog();
539			$output['input'] = $this->request->all();
540
541			return $output;
542			}
543			}
544

yajra / laravel-datatables

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QueryBuilderEngine::hasFilterColumn() A

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