Datatable::export() - Code Metrics - mathieupetrini/doctrinedatatable - Measure and Improve Code Quality continuously with Scrutinizer

Datatable::export() A
last analyzed 2020-03-25 10:47 UTC

↳ Parent: Datatable

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	4
nc	1
nop	0
dl	0
loc	6
rs	10
c	0
b	0
f	0

<?php

namespace DoctrineDatatable;

use Doctrine\ORM\QueryBuilder;
use DoctrineDatatable\Exception\GlobalFilterWithHavingColumn;
use DoctrineDatatable\Exception\MinimumColumn;

/**
 * Class Datatable.
 *
 * @author Mathieu Petrini <[email protected]>
 */
class Datatable
{
    /**
     * @var string
     */
    private $identifier;

    /**
     * @var int
     */
    private $resultPerPage;

    /**
     * @var string
     */
    private $nameIdentifier;

    /**
     * @var bool
     */
    private $globalSearch;

    /**
     * @var QueryBuilder
     */
    protected $query;

    /**
     * @var QueryBuilder
     */
    protected $final_query;

    /**
     * @var Column[]
     */
    protected $columns;

    private const DEFAULT_NAME_IDENTIFIER = 'DT_RowId';

    public const RESULT_PER_PAGE = 30;

    /**
     * Datatable constructor.
     *
     * @author Mathieu Petrini <[email protected]>
     *
     * @param QueryBuilder $query
     * @param string       $identifier
     * @param Column[]     $columns
     * @param int|null     $resultPerPage
     *
     * @throws MinimumColumn
     */
    public function __construct(
        QueryBuilder $query,
        string $identifier,
        array $columns,
        ?int $resultPerPage = self::RESULT_PER_PAGE
    ) {
        if (empty($columns)) {
            throw new MinimumColumn();
        }
        $this->query = $query;
        $this->identifier = $identifier;
        $this->columns = $columns;
        $this->resultPerPage = $resultPerPage ?? self::RESULT_PER_PAGE;
        $this->nameIdentifier = self::DEFAULT_NAME_IDENTIFIER;
        $this->globalSearch = false;
    }

    /**
     * PRIVATE METHODS.
     */

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param mixed[] $filters
     *
     * @return mixed[]
     */
    private function createGlobalFilters(array $filters): array
    {
        $temp = array(
            'columns' => array(),
        );
        array_map(function () use ($filters, &$temp) {
            $temp['columns'][] = array(
                'search' => array(
                    'value' => $filters['search'][Column::GLOBAL_ALIAS],
                ),
            );
        }, $this->columns);

        return $temp;
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param mixed[] $filters
     *
     * @return string[]
     *
     * @throws Exception\ResolveColumnNotHandle
     * @throws Exception\UnfilterableColumn
     * @throws Exception\WhereColumnNotHandle
     */
    private function createCondition(array $filters): array
    {
        $where = '';
        $having = '';

        foreach ($filters['columns'] as $index => $filter) {
            if (isset($this->columns[$index]) && '' !== $filter['search']['value']) {
                $temp = '('.$this->columns[$index]->where($this->final_query, $filter['search']['value']).')';

                $this->columns[$index]->isHaving() ?
                    $having .= (!empty($having) ? ' AND ' : '').$temp :
                    $where .= (!empty($where) ? ' '.($this->globalSearch ? 'OR' : 'AND').' ' : '').$temp;
            }
        }

        return array(
            'where' => $where,
            'having' => $having,
        );
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param bool $withAlias (optional) (default=true)
     *
     * @return string
     */
    private function processColumnIdentifier(bool $withAlias = true): string
    {
        return $this->final_query->getRootAliases()[0].'.'.$this->identifier.($withAlias ? ' AS '.$this->nameIdentifier : '');
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param Column $column
     */
    private function processColumnSelect(Column $column): void
    {
        $this->final_query->addSelect($column->getName().' AS '.$column->getAlias());
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param int    $index
     * @param string $direction
     *
     * @return Datatable
     */
    private function orderBy(int $index, string $direction): self
    {
        $this->final_query->orderBy(
            \array_slice($this->columns, $index, 1)[0]->getAliasOrderBy(),
            $direction
        );

        return $this;
    }

    /**
     * @param mixed[] $filters
     *
     * @return Datatable
     */
    private function limit(array $filters): self
    {
        $this->final_query->setFirstResult($filters['start'] ?? 0)
            ->setMaxResults($filters['length'] ?? $this->resultPerPage);

        return $this;
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @return int
     */
    private function count(): int
    {
        $query = clone $this->final_query;
        $result = $query->select('COUNT(DISTINCT '.$this->processColumnIdentifier(false).') as count')
            ->resetDQLPart('groupBy')
            ->resetDQLPart('orderBy')
            ->setFirstResult(0)
            ->setMaxResults(null)
            ->getQuery()
            ->getScalarResult();

        return !empty($result) ?
            (int) $result[0]['count'] :
            0;
    }

    /**
     * PROTECTED METHODS.
     */

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param mixed[] $filters
     *
     * @return QueryBuilder
     *
     * @throws Exception\ResolveColumnNotHandle
     * @throws Exception\UnfilterableColumn
     * @throws Exception\WhereColumnNotHandle
     */
    protected function createFoundationQuery(array $filters): QueryBuilder
    {
        // If global search we erase all specific where and only keep the unified filter
        if ($this->globalSearch && isset($filters['search']) && !empty($filters['search'][Column::GLOBAL_ALIAS])) {
            $filters = $this->createGlobalFilters($filters);
        }

        $conditions = isset($filters['columns']) ?
            $this->createCondition($filters) :
            array();

        if (isset($conditions['where']) && !empty($conditions['where'])) {
            $this->final_query->andWhere($conditions['where']);
        }

        if (isset($conditions['having']) && !empty($conditions['having'])) {
            $this->final_query->andHaving($conditions['having']);
        }

        return $this->final_query;
    }

    /**
     * @return QueryBuilder
     */
    protected function createQueryResult(): QueryBuilder
    {
        $this->final_query = clone $this->query;
        $this->final_query->select($this->processColumnIdentifier());
        foreach ($this->columns as $column) {
            $this->processColumnSelect($column);
        }

        return $this->final_query;
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param mixed[] $filters
     *
     * @return mixed[]
     */
    protected function data(array $filters): array
    {
        $this->limit($filters);

        return $this->final_query
            ->getQuery()
            ->getResult();
    }

    /**
     * PUBLIC METHODS.
     */

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param mixed[] $filters
     *
     * @return QueryBuilder
     *
     * @throws Exception\ResolveColumnNotHandle
     * @throws Exception\UnfilterableColumn
     * @throws Exception\WhereColumnNotHandle
     */
    public function createFinalQuery(array $filters): QueryBuilder
    {
        $this->createQueryResult();
        if (isset($filters['order'])) {
            $this->orderBy(
                $filters['order'][0]['column'],
                $filters['order'][0]['dir']
            );   
        }

        return $this->createFoundationQuery($filters);
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @param mixed[] $filters
     *
     * @return mixed[]
     *
     * @throws Exception\ResolveColumnNotHandle
     * @throws Exception\UnfilterableColumn
     * @throws Exception\WhereColumnNotHandle
     */
    public function get(array $filters): array
    {
        $this->createFinalQuery($filters);
        $data = $this->data($filters);

        return array(
            'recordsTotal' => $this->count(),
            'recordsFiltered' => \count($data),
            'data' => $data,
        );
    }

    /**
     * @author Mathieu Petrini <[email protected]>
     *
     * @return string
     */
    public function export(): string
    {
        return stream_get_contents(
            (new Export())
            ->setDatatable($this)
            ->export()
        );
    }

    /**
     * GETTERS / SETTERS.
     */

    /**
     * @return string
     */
    public function getNameIdentifier(): string
    {
        return $this->nameIdentifier;
    }

    /**
     * @param string $nameIdentifier
     *
     * @return Datatable
     */
    public function setNameIdentifier(string $nameIdentifier): self
    {
        $this->nameIdentifier = $nameIdentifier;

        return $this;
    }

    /**
     * @param bool $globalSearch
     *
     * @return Datatable
     *
     * @throws GlobalFilterWithHavingColumn
     */
    public function setGlobalSearch(bool $globalSearch): self
    {
        $this->globalSearch = $globalSearch;
        if ($this->globalSearch) {
            foreach ($this->columns as $column) {
                if ($column->isHaving()) {
                    throw new GlobalFilterWithHavingColumn();
                }
            }
        }

        return $this;
    }
}


1			<?php
2
3			namespace DoctrineDatatable;
4
5			use Doctrine\ORM\QueryBuilder;
6			use DoctrineDatatable\Exception\GlobalFilterWithHavingColumn;
7			use DoctrineDatatable\Exception\MinimumColumn;
8
9			/**
10			* Class Datatable.
11			*
12			* @author Mathieu Petrini <[email protected]>
13			*/
14			class Datatable
15			{
16			/**
17			* @var string
18			*/
19			private $identifier;
20
21			/**
22			* @var int
23			*/
24			private $resultPerPage;
25
26			/**
27			* @var string
28			*/
29			private $nameIdentifier;
30
31			/**
32			* @var bool
33			*/
34			private $globalSearch;
35
36			/**
37			* @var QueryBuilder
38			*/
39			protected $query;
40
41			/**
42			* @var QueryBuilder
43			*/
44			protected $final_query;
45
46			/**
47			* @var Column[]
48			*/
49			protected $columns;
50
51			private const DEFAULT_NAME_IDENTIFIER = 'DT_RowId';
52
53			public const RESULT_PER_PAGE = 30;
54
55			/**
56			* Datatable constructor.
57			*
58			* @author Mathieu Petrini <[email protected]>
59			*
60			* @param QueryBuilder $query
61			* @param string $identifier
62			* @param Column[] $columns
63			* @param int\|null $resultPerPage
64			*
65			* @throws MinimumColumn
66			*/
67			public function __construct(
68			QueryBuilder $query,
69			string $identifier,
70			array $columns,
71			?int $resultPerPage = self::RESULT_PER_PAGE
72			) {
73			if (empty($columns)) {
74			throw new MinimumColumn();
75			}
76			$this->query = $query;
77			$this->identifier = $identifier;
78			$this->columns = $columns;
79			$this->resultPerPage = $resultPerPage ?? self::RESULT_PER_PAGE;
80			$this->nameIdentifier = self::DEFAULT_NAME_IDENTIFIER;
81			$this->globalSearch = false;
82			}
83
84			/**
85			* PRIVATE METHODS.
86			*/
87
88			/**
89			* @author Mathieu Petrini <[email protected]>
90			*
91			* @param mixed[] $filters
92			*
93			* @return mixed[]
94			*/
95			private function createGlobalFilters(array $filters): array
96			{
97			$temp = array(
98			'columns' => array(),
99			);
100			array_map(function () use ($filters, &$temp) {
101			$temp['columns'][] = array(
102			'search' => array(
103			'value' => $filters['search'][Column::GLOBAL_ALIAS],
104			),
105			);
106			}, $this->columns);
107
108			return $temp;
109			}
110
111			/**
112			* @author Mathieu Petrini <[email protected]>
113			*
114			* @param mixed[] $filters
115			*
116			* @return string[]
117			*
118			* @throws Exception\ResolveColumnNotHandle
119			* @throws Exception\UnfilterableColumn
120			* @throws Exception\WhereColumnNotHandle
121			*/
122			private function createCondition(array $filters): array
123			{
124			$where = '';
125			$having = '';
126
127			foreach ($filters['columns'] as $index => $filter) {
128			if (isset($this->columns[$index]) && '' !== $filter['search']['value']) {
129			$temp = '('.$this->columns[$index]->where($this->final_query, $filter['search']['value']).')';
130
131			$this->columns[$index]->isHaving() ?
132			$having .= (!empty($having) ? ' AND ' : '').$temp :
133			$where .= (!empty($where) ? ' '.($this->globalSearch ? 'OR' : 'AND').' ' : '').$temp;
134			}
135			}
136
137			return array(
138			'where' => $where,
139			'having' => $having,
140			);
141			}
142
143			/**
144			* @author Mathieu Petrini <[email protected]>
145			*
146			* @param bool $withAlias (optional) (default=true)
147			*
148			* @return string
149			*/
150			private function processColumnIdentifier(bool $withAlias = true): string
151			{
152			return $this->final_query->getRootAliases()[0].'.'.$this->identifier.($withAlias ? ' AS '.$this->nameIdentifier : '');
153			}
154
155			/**
156			* @author Mathieu Petrini <[email protected]>
157			*
158			* @param Column $column
159			*/
160			private function processColumnSelect(Column $column): void
161			{
162			$this->final_query->addSelect($column->getName().' AS '.$column->getAlias());
163			}
164
165			/**
166			* @author Mathieu Petrini <[email protected]>
167			*
168			* @param int $index
169			* @param string $direction
170			*
171			* @return Datatable
172			*/
173			private function orderBy(int $index, string $direction): self
174			{
175			$this->final_query->orderBy(
176			\array_slice($this->columns, $index, 1)[0]->getAliasOrderBy(),
177			$direction
178			);
179
180			return $this;
181			}
182
183			/**
184			* @param mixed[] $filters
185			*
186			* @return Datatable
187			*/
188			private function limit(array $filters): self
189			{
190			$this->final_query->setFirstResult($filters['start'] ?? 0)
191			->setMaxResults($filters['length'] ?? $this->resultPerPage);
192
193			return $this;
194			}
195
196			/**
197			* @author Mathieu Petrini <[email protected]>
198			*
199			* @return int
200			*/
201			private function count(): int
202			{
203			$query = clone $this->final_query;
204			$result = $query->select('COUNT(DISTINCT '.$this->processColumnIdentifier(false).') as count')
205			->resetDQLPart('groupBy')
206			->resetDQLPart('orderBy')
207			->setFirstResult(0)
208			->setMaxResults(null)
209			->getQuery()
210			->getScalarResult();
211
212			return !empty($result) ?
213			(int) $result[0]['count'] :
214			0;
215			}
216
217			/**
218			* PROTECTED METHODS.
219			*/
220
221			/**
222			* @author Mathieu Petrini <[email protected]>
223			*
224			* @param mixed[] $filters
225			*
226			* @return QueryBuilder
227			*
228			* @throws Exception\ResolveColumnNotHandle
229			* @throws Exception\UnfilterableColumn
230			* @throws Exception\WhereColumnNotHandle
231			*/
232			protected function createFoundationQuery(array $filters): QueryBuilder
233			{
234			// If global search we erase all specific where and only keep the unified filter
235			if ($this->globalSearch && isset($filters['search']) && !empty($filters['search'][Column::GLOBAL_ALIAS])) {
236			$filters = $this->createGlobalFilters($filters);
237			}
238
239			$conditions = isset($filters['columns']) ?
240			$this->createCondition($filters) :
241			array();
242
243			if (isset($conditions['where']) && !empty($conditions['where'])) {
244			$this->final_query->andWhere($conditions['where']);
245			}
246
247			if (isset($conditions['having']) && !empty($conditions['having'])) {
248			$this->final_query->andHaving($conditions['having']);
249			}
250
251			return $this->final_query;
252			}
253
254			/**
255			* @return QueryBuilder
256			*/
257			protected function createQueryResult(): QueryBuilder
258			{
259			$this->final_query = clone $this->query;
260			$this->final_query->select($this->processColumnIdentifier());
261			foreach ($this->columns as $column) {
262			$this->processColumnSelect($column);
263			}
264
265			return $this->final_query;
266			}
267
268			/**
269			* @author Mathieu Petrini <[email protected]>
270			*
271			* @param mixed[] $filters
272			*
273			* @return mixed[]
274			*/
275			protected function data(array $filters): array
276			{
277			$this->limit($filters);
278
279			return $this->final_query
280			->getQuery()
281			->getResult();
282			}
283
284			/**
285			* PUBLIC METHODS.
286			*/
287
288			/**
289			* @author Mathieu Petrini <[email protected]>
290			*
291			* @param mixed[] $filters
292			*
293			* @return QueryBuilder
294			*
295			* @throws Exception\ResolveColumnNotHandle
296			* @throws Exception\UnfilterableColumn
297			* @throws Exception\WhereColumnNotHandle
298			*/
299			public function createFinalQuery(array $filters): QueryBuilder
300			{
301			$this->createQueryResult();
302			if (isset($filters['order'])) {
303			$this->orderBy(
304			$filters['order'][0]['column'],
305			$filters['order'][0]['dir']
306			);
307			}
308
309			return $this->createFoundationQuery($filters);
310			}
311
312			/**
313			* @author Mathieu Petrini <[email protected]>
314			*
315			* @param mixed[] $filters
316			*
317			* @return mixed[]
318			*
319			* @throws Exception\ResolveColumnNotHandle
320			* @throws Exception\UnfilterableColumn
321			* @throws Exception\WhereColumnNotHandle
322			*/
323			public function get(array $filters): array
324			{
325			$this->createFinalQuery($filters);
326			$data = $this->data($filters);
327
328			return array(
329			'recordsTotal' => $this->count(),
330			'recordsFiltered' => \count($data),
331			'data' => $data,
332			);
333			}
334
335			/**
336			* @author Mathieu Petrini <[email protected]>
337			*
338			* @return string
339			*/
340			public function export(): string
341			{
342			return stream_get_contents(
343			(new Export())
344			->setDatatable($this)
345			->export()
346			);
347			}
348
349			/**
350			* GETTERS / SETTERS.
351			*/
352
353			/**
354			* @return string
355			*/
356			public function getNameIdentifier(): string
357			{
358			return $this->nameIdentifier;
359			}
360
361			/**
362			* @param string $nameIdentifier
363			*
364			* @return Datatable
365			*/
366			public function setNameIdentifier(string $nameIdentifier): self
367			{
368			$this->nameIdentifier = $nameIdentifier;
369
370			return $this;
371			}
372
373			/**
374			* @param bool $globalSearch
375			*
376			* @return Datatable
377			*
378			* @throws GlobalFilterWithHavingColumn
379			*/
380			public function setGlobalSearch(bool $globalSearch): self
381			{
382			$this->globalSearch = $globalSearch;
383			if ($this->globalSearch) {
384			foreach ($this->columns as $column) {
385			if ($column->isHaving()) {
386			throw new GlobalFilterWithHavingColumn();
387			}
388			}
389			}
390
391			return $this;
392			}
393			}
394

mathieupetrini / doctrinedatatable

Datatable::export() A last analyzed 2020-03-25 10:47 UTC

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Datatable::export() A
last analyzed 2020-03-25 10:47 UTC