QueryBuilderEngine::compileQuerySearch() - Code Metrics - Inspection of "Refactor defaultOrdering method." - yajra/laravel-datatables - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7133d1...bb16e7 )

by Arjay

created 2017-06-30 03:17 UTC

QueryBuilderEngine::compileQuerySearch() A

↳ Parent: QueryBuilderEngine

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	7
nc	2
nop	4
dl	0
loc	12
rs	9.4285
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);
    }

    /**
     * Resolve callback parameter instance.
     *
     * @return \Illuminate\Database\Query\Builder
     */
    protected function resolveCallbackParameter()
    {
        return $this->query;
    }

    /**
     * Perform default query orderBy clause.
     */
    protected function defaultOrdering()
    {
        collect($this->request->orderableColumns())
            ->map(function ($orderable) {
                $orderable['name'] = $this->getColumnName($orderable['column'], true);

                return $orderable;
            })
            ->reject(function ($orderable) {
                return $this->isBlacklisted($orderable['name']) && !$this->hasOrderColumn($orderable['name']);
            })
            ->each(function ($orderable) {
                $column = $this->resolveRelationColumn($orderable['name']);

                if ($this->hasOrderColumn($column)) {
                    $this->applyOrderColumn($column, $orderable);
                } else {
                    $nullsLastSql = $this->getNullsLastSql($column, $orderable['direction']);
                    $normalSql    = $this->wrap($column) . ' ' . $orderable['direction'];
                    $sql          = $this->nullsLast ? $nullsLastSql : $normalSql;
                    $this->query->orderByRaw($sql);
                }
            });
    }

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

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

    /**
     * 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);
    }

    /**
     * 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;
    }

    /**
     * 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			* Resolve callback parameter instance.
154			*
155			* @return \Illuminate\Database\Query\Builder
156			*/
157			protected function resolveCallbackParameter()
158			{
159			return $this->query;
160			}
161
162			/**
163			* Perform default query orderBy clause.
164			*/
165			protected function defaultOrdering()
166			{
167			collect($this->request->orderableColumns())
168			->map(function ($orderable) {
169			$orderable['name'] = $this->getColumnName($orderable['column'], true);
170
171			return $orderable;
172			})
173			->reject(function ($orderable) {
174			return $this->isBlacklisted($orderable['name']) && !$this->hasOrderColumn($orderable['name']);
175			})
176			->each(function ($orderable) {
177			$column = $this->resolveRelationColumn($orderable['name']);
178
179			if ($this->hasOrderColumn($column)) {
180			$this->applyOrderColumn($column, $orderable);
181			} else {
182			$nullsLastSql = $this->getNullsLastSql($column, $orderable['direction']);
183			$normalSql = $this->wrap($column) . ' ' . $orderable['direction'];
184			$sql = $this->nullsLast ? $nullsLastSql : $normalSql;
185			$this->query->orderByRaw($sql);
186			}
187			});
188			}
189
190			/**
191			* Check if column has custom sort handler.
192			*
193			* @param string $column
194			* @return bool
195			*/
196			protected function hasOrderColumn($column)
197			{
198			return isset($this->columnDef['order'][$column]);
199			}
200
201			/**
202			* Resolve the proper column name be used.
203			*
204			* @param string $column
205			* @return string
206			*/
207			protected function resolveRelationColumn($column)
208			{
209			return $column;
210			}
211
212			/**
213			* Apply orderColumn custom query.
214			*
215			* @param string $column
216			* @param array $orderable
217			*/
218			protected function applyOrderColumn($column, $orderable): void
219			{
220			$sql = $this->columnDef['order'][$column]['sql'];
221			$sql = str_replace('$1', $orderable['direction'], $sql);
222			$bindings = $this->columnDef['order'][$column]['bindings'];
223			$this->query->orderByRaw($sql, $bindings);
224			}
225
226			/**
227			* Get NULLS LAST SQL.
228			*
229			* @param string $column
230			* @param string $direction
231			* @return string
232			*/
233			protected function getNullsLastSql($column, $direction)
234			{
235			$sql = $this->config->get('datatables.nulls_last_sql', '%s %s NULLS LAST');
236
237			return sprintf($sql, $column, $direction);
238			}
239
240			/**
241			* Perform column search.
242			*
243			* @return void
244			*/
245			public function columnSearch()
246			{
247			$columns = $this->request->columns();
248
249			foreach ($columns as $index => $column) {
250			if (!$this->request->isColumnSearchable($index)) {
251			continue;
252			}
253
254			$column = $this->getColumnName($index);
255
256			if ($this->hasFilterColumn($column)) {
257			$keyword = $this->getColumnSearchKeyword($index, $raw = true);
258			$this->applyFilterColumn($this->getBaseQueryBuilder(), $column, $keyword);
259			continue;
260			}
261
262			$column = $this->resolveRelationColumn($column);
263			$keyword = $this->getColumnSearchKeyword($index);
264			$this->compileColumnSearch($index, $column, $keyword);
265
266			$this->isFilterApplied = true;
267			}
268			}
269
270			/**
271			* Check if column has custom filter handler.
272			*
273			* @param string $columnName
274			* @return bool
275			*/
276			public function hasFilterColumn($columnName)
277			{
278			return isset($this->columnDef['filter'][$columnName]);
279			}
280
281			/**
282			* Get column keyword to use for search.
283			*
284			* @param int $i
285			* @param bool $raw
286			* @return string
287			*/
288			protected function getColumnSearchKeyword($i, $raw = false)
289			{
290			$keyword = $this->request->columnKeyword($i);
291			if ($raw \|\| $this->request->isRegex($i)) {
292			return $keyword;
293			}
294
295			return $this->setupKeyword($keyword);
296			}
297
298			/**
299			* Apply filterColumn api search.
300			*
301			* @param Builder $query
302			* @param string $columnName
303			* @param string $keyword
304			* @param string $boolean
305			*/
306			protected function applyFilterColumn(Builder $query, $columnName, $keyword, $boolean = 'and')
307			{
308			$callback = $this->columnDef['filter'][$columnName]['method'];
309			$builder = $query->newQuery();
310			$callback($builder, $keyword);
311			$query->addNestedWhereQuery($builder, $boolean);
312			}
313
314			/**
315			* Get the base query builder instance.
316			*
317			* @param mixed $instance
318			* @return \Illuminate\Database\Query\Builder
319			*/
320			protected function getBaseQueryBuilder($instance = null)
321			{
322			if (!$instance) {
323			$instance = $this->query;
324			}
325
326			if ($instance instanceof EloquentBuilder) {
327			return $instance->getQuery();
328			}
329
330			return $instance;
331			}
332
333			/**
334			* Compile queries for column search.
335			*
336			* @param int $i
337			* @param string $column
338			* @param string $keyword
339			*/
340			protected function compileColumnSearch($i, $column, $keyword)
341			{
342			if ($this->request->isRegex($i)) {
343			$column = strstr($column, '(') ? $this->connection->raw($column) : $column;
344			$this->regexColumnSearch($column, $keyword);
345			} else {
346			$this->compileQuerySearch($this->query, $column, $keyword, '');
347			}
348			}
349
350			/**
351			* Compile regex query column search.
352			*
353			* @param mixed $column
354			* @param string $keyword
355			*/
356			protected function regexColumnSearch($column, $keyword)
357			{
358			switch ($this->connection->getDriverName()) {
359			case 'oracle':
360			$sql = !$this->config
361			->isCaseInsensitive() ? 'REGEXP_LIKE( ' . $column . ' , ? )' : 'REGEXP_LIKE( LOWER(' . $column . ') , ?, \'i\' )';
362			break;
363
364			case 'pgsql':
365			$sql = !$this->config->isCaseInsensitive() ? $column . ' ~ ?' : $column . ' ~* ? ';
366			break;
367
368			default:
369			$sql = !$this->config
370			->isCaseInsensitive() ? $column . ' REGEXP ?' : 'LOWER(' . $column . ') REGEXP ?';
371			$keyword = Str::lower($keyword);
372			}
373
374			$this->query->whereRaw($sql, [$keyword]);
375			}
376
377			/**
378			* Compile query builder where clause depending on configurations.
379			*
380			* @param mixed $query
381			* @param string $column
382			* @param string $keyword
383			* @param string $relation
384			*/
385			protected function compileQuerySearch($query, $column, $keyword, $relation = 'or')
386			{
387			$column = $this->addTablePrefix($query, $column);
388			$column = $this->castColumn($column);
389			$sql = $column . ' LIKE ?';
390
391			if ($this->config->isCaseInsensitive()) {
392			$sql = 'LOWER(' . $column . ') LIKE ?';
393			}
394
395			$query->{$relation . 'WhereRaw'}($sql, [$this->prepareKeyword($keyword)]);
396			}
397
398			/**
399			* Patch for fix about ambiguous field.
400			* Ambiguous field error will appear when query use join table and search with keyword.
401			*
402			* @param mixed $query
403			* @param string $column
404			* @return string
405			*/
406			protected function addTablePrefix($query, $column)
407			{
408			if (strpos($column, '.') === false) {
409			$q = $this->getBaseQueryBuilder($query);
410			if (!$q->from instanceof Expression) {
411			$column = $q->from . '.' . $column;
412			}
413			}
414
415			return $this->wrap($column);
416			}
417
418			/**
419			* Wrap a column and cast based on database driver.
420			*
421			* @param string $column
422			* @return string
423			*/
424			protected function castColumn($column)
425			{
426			switch ($this->connection->getDriverName()) {
427			case 'pgsql':
428			return 'CAST(' . $column . ' as TEXT)';
429			case 'firebird':
430			return 'CAST(' . $column . ' as VARCHAR(255))';
431			default:
432			return $column;
433			}
434			}
435
436			/**
437			* Prepare search keyword based on configurations.
438			*
439			* @param string $keyword
440			* @return string
441			*/
442			protected function prepareKeyword($keyword)
443			{
444			if ($this->config->isCaseInsensitive()) {
445			$keyword = Str::lower($keyword);
446			}
447
448			if ($this->config->isWildcard()) {
449			$keyword = $this->wildcardLikeString($keyword);
450			}
451
452			if ($this->config->isSmartSearch()) {
453			$keyword = "%$keyword%";
454			}
455
456			return $keyword;
457			}
458
459			/**
460			* Perform pagination.
461			*
462			* @return void
463			*/
464			public function paging()
465			{
466			$this->query->skip($this->request->input('start'))
467			->take((int) $this->request->input('length') > 0 ? $this->request->input('length') : 10);
468			}
469
470			/**
471			* Get paginated results.
472			*
473			* @return \Illuminate\Support\Collection
474			*/
475			public function results()
476			{
477			return $this->query->get();
478			}
479
480			/**
481			* Add column in collection.
482			*
483			* @param string $name
484			* @param string\|callable $content
485			* @param bool\|int $order
486			* @return \Yajra\Datatables\Engines\BaseEngine\|\Yajra\Datatables\Engines\QueryBuilderEngine
487			*/
488			public function addColumn($name, $content, $order = false)
489			{
490			$this->pushToBlacklist($name);
491
492			return parent::addColumn($name, $content, $order);
493			}
494
495			/**
496			* Get query builder instance.
497			*
498			* @return \Illuminate\Database\Eloquent\Builder\|\Illuminate\Database\Query\Builder
499			*/
500			public function getQuery()
501			{
502			return $this->query;
503			}
504
505			/**
506			* Perform global search for the given keyword.
507			*
508			* @param string $keyword
509			*/
510			protected function globalSearch($keyword)
511			{
512			$this->query->where(function ($query) use ($keyword) {
513			$query = $this->getBaseQueryBuilder($query);
514
515			collect($this->request->searchableColumnIndex())
516			->map(function ($index) {
517			return $this->getColumnName($index);
518			})
519			->reject(function ($column) {
520			return $this->isBlacklisted($column) && !$this->hasFilterColumn($column);
521			})
522			->each(function ($column) use ($keyword, $query) {
523			if ($this->hasFilterColumn($column)) {
524			$this->applyFilterColumn($query, $column, $keyword, 'or');
525			} else {
526			$this->compileQuerySearch($query, $column, $keyword);
527			}
528
529			$this->isFilterApplied = true;
530			});
531			});
532			}
533
534			/**
535			* Append debug parameters on output.
536			*
537			* @param array $output
538			* @return array
539			*/
540			protected function showDebugger(array $output)
541			{
542			$output['queries'] = $this->connection->getQueryLog();
543			$output['input'] = $this->request->all();
544
545			return $output;
546			}
547			}
548

yajra / laravel-datatables

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QueryBuilderEngine::compileQuerySearch() A

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