AbstractSqlRepository::buildSortPart() - Code Metrics - Inspection of "Merge remote-tracking branch 'origin/master'" - acredula/percy - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( e5d2f6...54b77c )

by Phil

created 2016-03-10 09:37 UTC

AbstractSqlRepository::buildSortPart() C

↳ Parent: AbstractSqlRepository

Complexity

Conditions	7
Paths	8

Size

Total Lines	22
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	7.7656

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
c	2
b	0
f	0
dl	0
loc	22
ccs	9
cts	12
cp	0.75
rs	6.9811
cc	7
eloc	11
nc	8
nop	2
crap	7.7656

<?php

namespace Percy\Repository;

use Aura\Sql\ExtendedPdoInterface;
use InvalidArgumentException;
use Percy\Decorator\DecoratorTrait;
use Percy\Entity\Collection;
use Percy\Entity\CollectionBuilderTrait;
use Percy\Entity\EntityInterface;
use Percy\Http\QueryStringParserTrait;
use Percy\Store\StoreInterface;
use Psr\Http\Message\ServerRequestInterface;
use RuntimeException;

abstract class AbstractSqlRepository implements RepositoryInterface
{
    use CollectionBuilderTrait;
    use DecoratorTrait;
    use QueryStringParserTrait;

    /**
     * @var \Aura\Sql\ExtendedPdoInterface
     */
    protected $dbal;

    /**
     *
     * @var mixed
     */
    protected $relationships = [];

    /**
     * Construct.
     *
     * @param \Aura\Sql\ExtendedPdoInterface $dbal
     */
    public function __construct(ExtendedPdoInterface $dbal)
    {
        $this->dbal = $dbal;
    }

    /**
     * {@inheritdoc}
     */
    public function countFromRequest(ServerRequestInterface $request)
    {
        $rules = $this->parseQueryString($request->getUri()->getQuery());
        list($query, $params) = $this->buildQueryFromRules($rules, true);

        return (int) $this->dbal->fetchOne($query, $params)['total'];
    }

    /**
     * {@inheritdoc}
     */
    public function getFromRequest(ServerRequestInterface $request)
    {
        $rules = $this->parseQueryString($request->getUri()->getQuery());

        list($query, $params) = $this->buildQueryFromRules($rules);

        if (array_key_exists('sort', $rules) && ! array_key_exists('search', $rules)) {
            $query .= $this->buildSortPart($rules['sort'], $this->getTable());
        }

        if (array_key_exists('search', $rules)) {
            $query .= sprintf(' ORDER BY MATCH (%s) AGAINST (:match_bind) > :score_bind', $rules['search']['fields']);
        }

        if (array_key_exists('limit', $rules)) {
            $query .= ' LIMIT ';
            $query .= (array_key_exists('offset', $rules)) ? sprintf('%d,', $rules['offset']) : '';
            $query .= $rules['limit'];
        }

        $query = trim(preg_replace('!\s+!', ' ', $query));

        $collection = $this->buildCollection($this->dbal->fetchAll($query, $params))
                           ->setTotal($this->countFromRequest($request));

        $this->decorate($collection, StoreInterface::ON_READ);

        return $collection;
    }

    /**
     * Build the sort part of the query.
     *
     * @param array|string $sorts
     * @param string $table
     *
     * @return string
     */
    protected function buildSortPart($sorts, $table)
    {
        if (is_string($sorts) && $sorts === 'RAND()') {
            return ' ORDER BY RAND()';
        }

        if (! is_array($sorts)) {
            return '';
        }

        $fields = [];

        foreach ($sorts as $sort) {
            if (substr($sort['field'], 0, strlen($table)) !== $table) {
                continue;
            }

            $fields[] = sprintf('%s %s', $sort['field'], strtoupper($sort['direction']));
        }

        return (empty($fields)) ? '' : sprintf(' ORDER BY %s', implode(', ', $fields));
    }

    /**
     * Build a base query without sorting and limits from filter rules.
     *
     * @param array   $rules
     * @param boolean $count
     *
     * @return array
     */
    protected function buildQueryFromRules(array $rules, $count = false)
    {
        $start = ($count === false) ? 'SELECT * FROM ' : 'SELECT *, COUNT(*) as total FROM ';

        $query = $start . $this->getTable();

        $params = [];

        if (array_key_exists('filter', $rules)) {
            foreach ($rules['filter'] as $key => $where) {
                $keyword   = ($key === 0) ? ' WHERE' : ' AND';
                $delimiter = strtoupper($where['delimiter']);
                $binding   = (in_array($delimiter, ['IN', 'NOT IN'])) ? sprintf('(:%s)', $where['binding']) : ':' . $where['binding'];
                $query    .= sprintf('%s %s %s %s', $keyword, $where['field'], $delimiter, $binding);

                $params[$where['binding']] = $where['value'];
            }
        }

        if (array_key_exists('search', $rules)) {
            $keyword = (array_key_exists('filter', $rules)) ? ' AND' : ' WHERE';
            $query  .= sprintf('%s MATCH (%s) AGAINST (:match_bind IN BOOLEAN MODE)', $keyword, $rules['search']['columns']);
            $query  .= sprintf(' HAVING MATCH (%s) AGAINST (:match_bind) > :score_bind', $rules['search']['columns']);

            $params['match_bind'] = $rules['search']['term'];
            $params['score_bind'] = (array_key_exists('minscore', $rules)) ? $rules['minscore'] : 0;
        }

        return [$query, $params];
    }

    /**
     * {@inheritdoc}
     */
    public function countByField($field, $value, ServerRequestInterface $request = null)
    {
        $query = sprintf(
            "SELECT COUNT(*) as total FROM %s WHERE %s.%s IN (:%s)",
            $this->getTable(),
            $this->getTable(),
            $field,
            $field
        );

        $params = [
            $field => implode(',', (array) $value)
        ];

        return (int) $this->dbal->fetchOne($query, $params)['total'];
    }

    /**
     * {@inheritdoc}
     */
    public function getByField($field, $value, ServerRequestInterface $request = null)
    {
        $query = sprintf(
            'SELECT * FROM %s WHERE %s.%s IN (:%s)',
            $this->getTable(),
            $this->getTable(),
            $field,
            $field
        );

        // @todo - allow extra filtering from request

        $params = [
            $field => implode(',', (array) $value)
        ];

        $collection = $this->buildCollection($this->dbal->fetchAll($query, $params))
                           ->setTotal($this->countByField($field, $value));

        $this->decorate($collection, StoreInterface::ON_READ);

        return $collection;
    }

    /**
     * {@inheritdoc}
     */
    public function attachRelationships(
        Collection $collection,
        $include                        = null,
        ServerRequestInterface $request = null
    ) {
        if (is_null($include)) {
            return;
        }

        $rules = ($request instanceof ServerRequestInterface)
               ? $this->parseQueryString($request->getUri()->getQuery())
               : [];

        foreach ($this->getRelationshipMap() as $key => $map) {
            if (is_array($include) && ! in_array($key, $include)) {
                continue;
            }

            $binds = $this->getRelationshipBinds($collection, $key, $map['defined_in']['entity']);

            if (empty($binds)) {
                continue;
            }

            $query = sprintf(
                'SELECT * FROM %s LEFT JOIN %s ON %s.%s = %s.%s WHERE %s.%s IN (%s)',
                $map['defined_in']['table'],
                $map['target']['table'],
                $map['target']['table'],
                $map['target']['primary'],
                $map['defined_in']['table'],
                $map['target']['relationship'],
                $map['defined_in']['table'],
                $map['defined_in']['primary'],
                implode(',', $binds)
            );

            if (array_key_exists('sort', $rules)) {
                $query .= $this->buildSortPart($rules['sort'], $map['target']['table']);
            }

            $result = $this->dbal->fetchAll($query, []);

            $this->attachRelationshipsToCollection($collection, $key, $result);
        }
    }

    /**
     * Iterate a result set and attach the relationship to it's correct entity
     * within a collection.
     *
     * @param \Percy\Entity\Collection $collection
     * @param string                   $relationship
     * @param array                    $data
     *
     * @return void
     */
    protected function attachRelationshipsToCollection(Collection $collection, $relationship, array $data)
    {
        $map           = $this->getRelationshipMap($relationship);
        $relationships = array_column($data, $map['defined_in']['primary']);

        $remove = [$map['defined_in']['primary'], $map['target']['relationship']];

        foreach ($data as &$resource) {
            $resource = array_filter($resource, function ($key) use ($remove) {
                return (! in_array($key, $remove));
            }, ARRAY_FILTER_USE_KEY);
        }

        foreach ($collection->getIterator() as $entity) {
            $entityRels = $entity->getRelationshipMap();

            if (! array_key_exists($relationship, $entityRels)) {
                continue;
            }

            $keys = array_keys(preg_grep("/{$entity[$map['defined_in']['entity']]}/", $relationships));
            $rels = array_filter($data, function ($key) use ($keys) {
                return in_array($key, $keys);
            }, ARRAY_FILTER_USE_KEY);

            $rels = $this->buildCollection($rels, $entityRels[$relationship])->setTotal(count($rels));
            $this->decorate($rels, StoreInterface::ON_READ);

            $entity->addRelationship($relationship, $rels);
        }
    }

    /**
     * Return relationship bind conditional.
     *
     * @param \Percy\Entity\Collection $collection
     * @param string                   $relationship
     * @param string                   $key
     *
     * @return string
     */
    protected function getRelationshipBinds(Collection $collection, $relationship, $key)
    {
        $primaries = [];

        foreach ($collection->getIterator() as $entity) {
            if (! array_key_exists($relationship, $entity->getRelationshipMap())) {
                continue;
            }

            $primaries[] = "'{$entity[$key]}'";
        }

        return $primaries;
    }

    /**
     * Get possible relationships and the properties attached to them.
     *
     * @param string $relationship
     *
     * @throws \InvalidArgumentException when requested relationship is not defined
     * @throws \RuntimeException when map structure is defined incorrectly
     *
     * @return array
     */
    public function getRelationshipMap($relationship = null)
    {
        if (is_null($relationship)) {
            return $this->relationships;
        }

        if (! array_key_exists($relationship, $this->relationships)) {
            throw new InvalidArgumentException(
                sprintf('(%s) is not defined in the relationship map on (%s)', $relationship, get_class($this))
            );
        }

        $map = $this->relationships[$relationship];

        foreach ([
            'defined_in' => ['table', 'primary', 'entity'],
            'target'     => ['table', 'primary', 'relationship']
        ] as $key => $value) {
            if (! array_key_exists($key, $map) || ! is_array($map[$key])) {
                throw new RuntimeException(
                    sprintf(
                        'Relationship (%s) should contain the (%s) key and should be of type array on (%s)',
                        $relationship, $key, get_class($this)
                    )
                );
            }

            if (! empty(array_diff($value, array_keys($map[$key])))) {
                throw new RuntimeException(
                    sprintf(
                        '(%s) for relationship (%s) should contain keys (%s) on (%s)',
                        $key, $relationship, implode(', ', $value), get_class($this)
                    )
                );
            }
        }

        return $map;
    }

    /**
     * Returns table that repository is reading from.
     *
     * @return string
     */
    abstract protected function getTable();
}


1		<?php
2
3		namespace Percy\Repository;
4
5		use Aura\Sql\ExtendedPdoInterface;
6		use InvalidArgumentException;
7		use Percy\Decorator\DecoratorTrait;
8		use Percy\Entity\Collection;
9		use Percy\Entity\CollectionBuilderTrait;
10		use Percy\Entity\EntityInterface;
11		use Percy\Http\QueryStringParserTrait;
12		use Percy\Store\StoreInterface;
13		use Psr\Http\Message\ServerRequestInterface;
14		use RuntimeException;
15
16		abstract class AbstractSqlRepository implements RepositoryInterface
17		{
18		use CollectionBuilderTrait;
19		use DecoratorTrait;
20		use QueryStringParserTrait;
21
22		/**
23		* @var \Aura\Sql\ExtendedPdoInterface
24		*/
25		protected $dbal;
26
27		/**
28		*
29		* @var mixed
30		*/
31		protected $relationships = [];
32
33		/**
34		* Construct.
35		*
36		* @param \Aura\Sql\ExtendedPdoInterface $dbal
37		*/
38	2	public function __construct(ExtendedPdoInterface $dbal)
39		{
40	2	$this->dbal = $dbal;
41	2	}
42
43		/**
44		* {@inheritdoc}
45		*/
46	1	public function countFromRequest(ServerRequestInterface $request)
47		{
48	1	$rules = $this->parseQueryString($request->getUri()->getQuery());
49	1	list($query, $params) = $this->buildQueryFromRules($rules, true);
50
51	1	return (int) $this->dbal->fetchOne($query, $params)['total'];
52		}
53
54		/**
55		* {@inheritdoc}
56		*/
57	1	public function getFromRequest(ServerRequestInterface $request)
58		{
59	1	$rules = $this->parseQueryString($request->getUri()->getQuery());
60
61	1	list($query, $params) = $this->buildQueryFromRules($rules);
62
63	1	if (array_key_exists('sort', $rules) && ! array_key_exists('search', $rules)) {
64	1	$query .= $this->buildSortPart($rules['sort'], $this->getTable());
65	1	}
66
67	1	if (array_key_exists('search', $rules)) {
68		$query .= sprintf(' ORDER BY MATCH (%s) AGAINST (:match_bind) > :score_bind', $rules['search']['fields']);
69		}
70
71	1	if (array_key_exists('limit', $rules)) {
72	1	$query .= ' LIMIT ';
73	1	$query .= (array_key_exists('offset', $rules)) ? sprintf('%d,', $rules['offset']) : '';
74	1	$query .= $rules['limit'];
75	1	}
76
77	1	$query = trim(preg_replace('!\s+!', ' ', $query));
78
79	1	$collection = $this->buildCollection($this->dbal->fetchAll($query, $params))
80	1	->setTotal($this->countFromRequest($request));
81
82	1	$this->decorate($collection, StoreInterface::ON_READ);
83
84	1	return $collection;
85		}
86
87		/**
88		* Build the sort part of the query.
89		*
90		* @param array\|string $sorts
91		* @param string $table
92		*
93		* @return string
94		*/
95	1	protected function buildSortPart($sorts, $table)
96		{
97	1	if (is_string($sorts) && $sorts === 'RAND()') {
98		return ' ORDER BY RAND()';
99		}
100
101	1	if (! is_array($sorts)) {
102		return '';
103		}
104
105	1	$fields = [];
106
107	1	foreach ($sorts as $sort) {
108	1	if (substr($sort['field'], 0, strlen($table)) !== $table) {
109		continue;
110		}
111
112	1	$fields[] = sprintf('%s %s', $sort['field'], strtoupper($sort['direction']));
113	1	}
114
115	1	return (empty($fields)) ? '' : sprintf(' ORDER BY %s', implode(', ', $fields));
116		}
117
118		/**
119		* Build a base query without sorting and limits from filter rules.
120		*
121		* @param array $rules
122		* @param boolean $count
123		*
124		* @return array
125		*/
126	1	protected function buildQueryFromRules(array $rules, $count = false)
127		{
128	1	$start = ($count === false) ? 'SELECT * FROM ' : 'SELECT , COUNT() as total FROM ';
129
130	1	$query = $start . $this->getTable();
131
132	1	$params = [];
133
134	1	if (array_key_exists('filter', $rules)) {
135	1	foreach ($rules['filter'] as $key => $where) {
136	1	$keyword = ($key === 0) ? ' WHERE' : ' AND';
137	1	$delimiter = strtoupper($where['delimiter']);
138	1	$binding = (in_array($delimiter, ['IN', 'NOT IN'])) ? sprintf('(:%s)', $where['binding']) : ':' . $where['binding'];
139	1	$query .= sprintf('%s %s %s %s', $keyword, $where['field'], $delimiter, $binding);
140
141	1	$params[$where['binding']] = $where['value'];
142	1	}
143	1	}
144
145	1	if (array_key_exists('search', $rules)) {
146		$keyword = (array_key_exists('filter', $rules)) ? ' AND' : ' WHERE';
147		$query .= sprintf('%s MATCH (%s) AGAINST (:match_bind IN BOOLEAN MODE)', $keyword, $rules['search']['columns']);
148		$query .= sprintf(' HAVING MATCH (%s) AGAINST (:match_bind) > :score_bind', $rules['search']['columns']);
149
150		$params['match_bind'] = $rules['search']['term'];
151		$params['score_bind'] = (array_key_exists('minscore', $rules)) ? $rules['minscore'] : 0;
152		}
153
154	1	return [$query, $params];
155		}
156
157		/**
158		* {@inheritdoc}
159		*/
160	1	public function countByField($field, $value, ServerRequestInterface $request = null)
161		{
162	1	$query = sprintf(
163	1	"SELECT COUNT(*) as total FROM %s WHERE %s.%s IN (:%s)",
164	1	$this->getTable(),
165	1	$this->getTable(),
166	1	$field,
167		$field
168	1	);
169
170		$params = [
171	1	$field => implode(',', (array) $value)
172	1	];
173
174	1	return (int) $this->dbal->fetchOne($query, $params)['total'];
175		}
176
177		/**
178		* {@inheritdoc}
179		*/
180	1	public function getByField($field, $value, ServerRequestInterface $request = null)
181		{
182	1	$query = sprintf(
183	1	'SELECT * FROM %s WHERE %s.%s IN (:%s)',
184	1	$this->getTable(),
185	1	$this->getTable(),
186	1	$field,
187		$field
188	1	);
189
190		// @todo - allow extra filtering from request
191
192		$params = [
193	1	$field => implode(',', (array) $value)
194	1	];
195
196	1	$collection = $this->buildCollection($this->dbal->fetchAll($query, $params))
197	1	->setTotal($this->countByField($field, $value));
198
199	1	$this->decorate($collection, StoreInterface::ON_READ);
200
201	1	return $collection;
202		}
203
204		/**
205		* {@inheritdoc}
206		*/
207		public function attachRelationships(
208		Collection $collection,
209		$include = null,
210		ServerRequestInterface $request = null
211		) {
212		if (is_null($include)) {
213		return;
214		}
215
216		$rules = ($request instanceof ServerRequestInterface)
217		? $this->parseQueryString($request->getUri()->getQuery())
218		: [];
219
220		foreach ($this->getRelationshipMap() as $key => $map) {
221		if (is_array($include) && ! in_array($key, $include)) {
222		continue;
223		}
224
225		$binds = $this->getRelationshipBinds($collection, $key, $map['defined_in']['entity']);
226
227		if (empty($binds)) {
228		continue;
229		}
230
231		$query = sprintf(
232		'SELECT * FROM %s LEFT JOIN %s ON %s.%s = %s.%s WHERE %s.%s IN (%s)',
233		$map['defined_in']['table'],
234		$map['target']['table'],
235		$map['target']['table'],
236		$map['target']['primary'],
237		$map['defined_in']['table'],
238		$map['target']['relationship'],
239		$map['defined_in']['table'],
240		$map['defined_in']['primary'],
241		implode(',', $binds)
242		);
243
244		if (array_key_exists('sort', $rules)) {
245		$query .= $this->buildSortPart($rules['sort'], $map['target']['table']);
246		}
247
248		$result = $this->dbal->fetchAll($query, []);
249
250		$this->attachRelationshipsToCollection($collection, $key, $result);
251		}
252		}
253
254		/**
255		* Iterate a result set and attach the relationship to it's correct entity
256		* within a collection.
257		*
258		* @param \Percy\Entity\Collection $collection
259		* @param string $relationship
260		* @param array $data
261		*
262		* @return void
263		*/
264		protected function attachRelationshipsToCollection(Collection $collection, $relationship, array $data)
265		{
266		$map = $this->getRelationshipMap($relationship);
267		$relationships = array_column($data, $map['defined_in']['primary']);
268
269		$remove = [$map['defined_in']['primary'], $map['target']['relationship']];
270
271		foreach ($data as &$resource) {
272		$resource = array_filter($resource, function ($key) use ($remove) {
273		return (! in_array($key, $remove));
274		}, ARRAY_FILTER_USE_KEY);
275		}
276
277		foreach ($collection->getIterator() as $entity) {
278		$entityRels = $entity->getRelationshipMap();
279
280		if (! array_key_exists($relationship, $entityRels)) {
281		continue;
282		}
283
284		$keys = array_keys(preg_grep("/{$entity[$map['defined_in']['entity']]}/", $relationships));
285		$rels = array_filter($data, function ($key) use ($keys) {
286		return in_array($key, $keys);
287		}, ARRAY_FILTER_USE_KEY);
288
289		$rels = $this->buildCollection($rels, $entityRels[$relationship])->setTotal(count($rels));
290		$this->decorate($rels, StoreInterface::ON_READ);
291
292		$entity->addRelationship($relationship, $rels);
293		}
294		}
295
296		/**
297		* Return relationship bind conditional.
298		*
299		* @param \Percy\Entity\Collection $collection
300		* @param string $relationship
301		* @param string $key
302		*
303		* @return string
304		*/
305		protected function getRelationshipBinds(Collection $collection, $relationship, $key)
306		{
307		$primaries = [];
308
309		foreach ($collection->getIterator() as $entity) {
310		if (! array_key_exists($relationship, $entity->getRelationshipMap())) {
311		continue;
312		}
313
314		$primaries[] = "'{$entity[$key]}'";
315		}
316
317		return $primaries;
318		}
319
320		/**
321		* Get possible relationships and the properties attached to them.
322		*
323		* @param string $relationship
324		*
325		* @throws \InvalidArgumentException when requested relationship is not defined
326		* @throws \RuntimeException when map structure is defined incorrectly
327		*
328		* @return array
329		*/
330		public function getRelationshipMap($relationship = null)
331		{
332		if (is_null($relationship)) {
333		return $this->relationships;
334		}
335
336		if (! array_key_exists($relationship, $this->relationships)) {
337		throw new InvalidArgumentException(
338		sprintf('(%s) is not defined in the relationship map on (%s)', $relationship, get_class($this))
339		);
340		}
341
342		$map = $this->relationships[$relationship];
343
344		foreach ([
345		'defined_in' => ['table', 'primary', 'entity'],
346		'target' => ['table', 'primary', 'relationship']
347		] as $key => $value) {
348		if (! array_key_exists($key, $map) \|\| ! is_array($map[$key])) {
349		throw new RuntimeException(
350		sprintf(
351		'Relationship (%s) should contain the (%s) key and should be of type array on (%s)',
352		$relationship, $key, get_class($this)
353		)
354		);
355		}
356
357		if (! empty(array_diff($value, array_keys($map[$key])))) {
358		throw new RuntimeException(
359		sprintf(
360		'(%s) for relationship (%s) should contain keys (%s) on (%s)',
361		$key, $relationship, implode(', ', $value), get_class($this)
362		)
363		);
364		}
365		}
366
367		return $map;
368		}
369
370		/**
371		* Returns table that repository is reading from.
372		*
373		* @return string
374		*/
375		abstract protected function getTable();
376		}
377

acredula / percy

Push — master ( e5d2f6...54b77c )

AbstractSqlRepository::buildSortPart() C

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like