AbstractSqlRepository::getByField() - Code Metrics - Inspection of "Covered all user input for whitelisting" - acredula/percy - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#34)

by Phil

created 2016-03-17 16:07 UTC

AbstractSqlRepository::getByField() A

↳ Parent: AbstractSqlRepository

Complexity

Conditions	1
Paths	1

Size

Total Lines	23
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	1

Importance

Changes	5
Bugs	0	Features	2

Metric	Value
c	5
b	0
f	2
dl	0
loc	23
ccs	13
cts	13
cp	1
rs	9.0856
cc	1
eloc	13
nc	1
nop	3
crap	1

<?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)) {
            $entity    = $this->getEntityType();
            $entity    = new $entity;
            $mapping   = $entity->getMapping();
            $whitelist = array_keys($mapping);

            $query .= $this->buildSortPart($rules['sort'], $this->getTable(), $whitelist);
        }

        if (array_key_exists('search', $rules) && $this->acceptableField($rules['search']['fields'])) {
            $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 .= sprintf('%d', $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
     * @param array        $whitelist
     *
     * @return string
     */
    protected function buildSortPart($sorts, $table, array $whitelist)
    {
        if (is_string($sorts) && $sorts === 'RAND()') {
            return ' ORDER BY RAND()';
        }

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

        $fields = [];

        foreach ($sorts as $sort) {
            $field = explode('.', $sort['field']);

            if (count($field) !== 2) {
                throw new InvalidArgumentException('Sort paramater is formatted incorrectly');
            }

            if ($field[0] !== $table && count($sorts) > 1) {
                continue;
            }

            if ($field[0] !== $table && count($sorts) < 2) {
                throw new InvalidArgumentException(
                    sprintf('(%s) is not a whitelisted field to sort by', $sort['field'])
                );
            }

            if (! in_array($field[1], $whitelist)) {
                throw new InvalidArgumentException(
                    sprintf('(%s) is not a whitelisted field to sort by', $sort['field'])
                );
            }

            $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) {
                $this->acceptableField($where['field']);

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

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

        return [$query, $params];
    }

    /**
     * Asserts that a field is acceptable to filter on.
     *
     * @param string $name
     *
     * @return boolean
     */
    protected function acceptableField($name)
    {
        $entity = $this->getEntityType();
        $entity = new $entity;

        foreach (explode(',', $name) as $field) {
            if (! array_key_exists($name, $entity->getMapping())) {
                throw new InvalidArgumentException(
                    sprintf('(%s) is not a whitelisted field to filter, search or sort by', $name)
                );
            }
        }

        return true;
    }

    /**
     * {@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;
        }

        $rels = $collection->getIterator()->current()->getRelationshipMap();

        $rules = ($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)
            );

            // @todo allow for further filtering of rels via request

            if (array_key_exists('sort', $rules)) {
                $whitelist = [];

                if (array_key_exists($key, $rels)) {
                    $entity    = $rels[$key];
                    $entity    = new $entity;
                    $mapping   = $entity->getMapping();
                    $whitelist = array_keys($mapping);
                }

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

            $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	3	public function __construct(ExtendedPdoInterface $dbal)
39		{
40	3	$this->dbal = $dbal;
41	3	}
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	2	public function getFromRequest(ServerRequestInterface $request)
58		{
59	2	$rules = $this->parseQueryString($request->getUri()->getQuery());
60
61	2	list($query, $params) = $this->buildQueryFromRules($rules);
62
63	2	if (array_key_exists('sort', $rules) && ! array_key_exists('search', $rules)) {
64	2	$entity = $this->getEntityType();
65	2	$entity = new $entity;
66	2	$mapping = $entity->getMapping();
67	2	$whitelist = array_keys($mapping);
68
69	2	$query .= $this->buildSortPart($rules['sort'], $this->getTable(), $whitelist);
70	1	}
71
72	1	if (array_key_exists('search', $rules) && $this->acceptableField($rules['search']['fields'])) {
73	1	$query .= sprintf(' ORDER BY MATCH (%s) AGAINST (:match_bind) > :score_bind', $rules['search']['fields']);
74	1	}
75
76	1	if (array_key_exists('limit', $rules)) {
77	1	$query .= ' LIMIT ';
78	1	$query .= (array_key_exists('offset', $rules)) ? sprintf('%d,', $rules['offset']) : '';
79	1	$query .= sprintf('%d', $rules['limit']);
80	1	}
81
82	1	$query = trim(preg_replace('!\s+!', ' ', $query));
83
84	1	$collection = $this->buildCollection($this->dbal->fetchAll($query, $params))
85	1	->setTotal($this->countFromRequest($request));
86
87	1	$this->decorate($collection, StoreInterface::ON_READ);
88
89	1	return $collection;
90		}
91
92		/**
93		* Build the sort part of the query.
94		*
95		* @param array\|string $sorts
96		* @param string $table
97		* @param array $whitelist
98		*
99		* @return string
100		*/
101	2	protected function buildSortPart($sorts, $table, array $whitelist)
102		{
103	2	if (is_string($sorts) && $sorts === 'RAND()') {
104	1	return ' ORDER BY RAND()';
105		}
106
107	2	if (! is_array($sorts)) {
108		return '';
109		}
110
111	2	$fields = [];
112
113	2	foreach ($sorts as $sort) {
114	2	$field = explode('.', $sort['field']);
115
116	2	if (count($field) !== 2) {
117	1	throw new InvalidArgumentException('Sort paramater is formatted incorrectly');
118		}
119
120	2	if ($field[0] !== $table && count($sorts) > 1) {
121	1	continue;
122		}
123
124	2	if ($field[0] !== $table && count($sorts) < 2) {
125	1	throw new InvalidArgumentException(
126	1	sprintf('(%s) is not a whitelisted field to sort by', $sort['field'])
127	1	);
128		}
129
130	2	if (! in_array($field[1], $whitelist)) {
131	1	throw new InvalidArgumentException(
132	1	sprintf('(%s) is not a whitelisted field to sort by', $sort['field'])
133	1	);
134		}
135
136	1	$fields[] = sprintf('%s %s', $sort['field'], strtoupper($sort['direction']));
137	1	}
138
139	1	return (empty($fields)) ? '' : sprintf(' ORDER BY %s', implode(', ', $fields));
140		}
141
142		/**
143		* Build a base query without sorting and limits from filter rules.
144		*
145		* @param array $rules
146		* @param boolean $count
147		*
148		* @return array
149		*/
150	2	protected function buildQueryFromRules(array $rules, $count = false)
151		{
152	2	$start = ($count === false) ? 'SELECT * FROM ' : 'SELECT , COUNT() as total FROM ';
153	2	$query = $start . $this->getTable();
154
155	2	$params = [];
156
157	2	if (array_key_exists('filter', $rules)) {
158	2	foreach ($rules['filter'] as $key => $where) {
159	2	$this->acceptableField($where['field']);
160
161	1	$keyword = ($key === 0) ? ' WHERE' : ' AND';
162	1	$delimiter = strtoupper($where['delimiter']);
163	1	$binding = (in_array($delimiter, ['IN', 'NOT IN'])) ? sprintf('(:%s)', $where['binding']) : ':' . $where['binding'];
164	1	$query .= sprintf('%s %s %s %s', $keyword, $where['field'], $delimiter, $binding);
165
166	1	$params[$where['binding']] = $where['value'];
167	1	}
168	1	}
169
170	2	if (array_key_exists('search', $rules) && $this->acceptableField($rules['search']['fields'])) {
171	1	$keyword = (array_key_exists('filter', $rules)) ? ' AND' : ' WHERE';
172	1	$query .= sprintf('%s MATCH (%s) AGAINST (:match_bind IN BOOLEAN MODE)', $keyword, $rules['search']['fields']);
173	1	$query .= sprintf(' HAVING MATCH (%s) AGAINST (:match_bind) > :score_bind', $rules['search']['fields']);
174
175	1	$params['match_bind'] = $rules['search']['term'];
176	1	$params['score_bind'] = (array_key_exists('minscore', $rules)) ? $rules['minscore'] : 0;
177	1	}
178
179	2	return [$query, $params];
180		}
181
182		/**
183		* Asserts that a field is acceptable to filter on.
184		*
185		* @param string $name
186		*
187		* @return boolean
188		*/
189	2	protected function acceptableField($name)
190		{
191	2	$entity = $this->getEntityType();
192	2	$entity = new $entity;
193
194	2	foreach (explode(',', $name) as $field) {
195	2	if (! array_key_exists($name, $entity->getMapping())) {
196	1	throw new InvalidArgumentException(
197	1	sprintf('(%s) is not a whitelisted field to filter, search or sort by', $name)
198	1	);
199		}
200	1	}
201
202	1	return true;
203		}
204
205		/**
206		* {@inheritdoc}
207		*/
208	1	public function countByField($field, $value, ServerRequestInterface $request = null)
209		{
210	1	$query = sprintf(
211	1	"SELECT COUNT(*) as total FROM %s WHERE %s.%s IN (:%s)",
212	1	$this->getTable(),
213	1	$this->getTable(),
214	1	$field,
215		$field
216	1	);
217
218		$params = [
219	1	$field => implode(',', (array) $value)
220	1	];
221
222	1	return (int) $this->dbal->fetchOne($query, $params)['total'];
223		}
224
225		/**
226		* {@inheritdoc}
227		*/
228	1	public function getByField($field, $value, ServerRequestInterface $request = null)
229		{
230	1	$query = sprintf(
231	1	'SELECT * FROM %s WHERE %s.%s IN (:%s)',
232	1	$this->getTable(),
233	1	$this->getTable(),
234	1	$field,
235		$field
236	1	);
237
238		// @todo - allow extra filtering from request
239
240		$params = [
241	1	$field => implode(',', (array) $value)
242	1	];
243
244	1	$collection = $this->buildCollection($this->dbal->fetchAll($query, $params))
245	1	->setTotal($this->countByField($field, $value));
246
247	1	$this->decorate($collection, StoreInterface::ON_READ);
248
249	1	return $collection;
250		}
251
252		/**
253		* {@inheritdoc}
254		*/
255		public function attachRelationships(
256		Collection $collection,
257		$include = null,
258		ServerRequestInterface $request = null
259		) {
260		if (is_null($include)) {
261		return;
262		}
263
264		$rels = $collection->getIterator()->current()->getRelationshipMap();
265
266		$rules = ($request instanceof ServerRequestInterface)
267		? $this->parseQueryString($request->getUri()->getQuery())
268		: [];
269
270		foreach ($this->getRelationshipMap() as $key => $map) {
271		if (is_array($include) && ! in_array($key, $include)) {
272		continue;
273		}
274
275		$binds = $this->getRelationshipBinds($collection, $key, $map['defined_in']['entity']);
276
277		if (empty($binds)) {
278		continue;
279		}
280
281		$query = sprintf(
282		'SELECT * FROM %s LEFT JOIN %s ON %s.%s = %s.%s WHERE %s.%s IN (%s)',
283		$map['defined_in']['table'],
284		$map['target']['table'],
285		$map['target']['table'],
286		$map['target']['primary'],
287		$map['defined_in']['table'],
288		$map['target']['relationship'],
289		$map['defined_in']['table'],
290		$map['defined_in']['primary'],
291		implode(',', $binds)
292		);
293
294		// @todo allow for further filtering of rels via request
295
296		if (array_key_exists('sort', $rules)) {
297		$whitelist = [];
298
299		if (array_key_exists($key, $rels)) {
300		$entity = $rels[$key];
301		$entity = new $entity;
302		$mapping = $entity->getMapping();
303		$whitelist = array_keys($mapping);
304		}
305
306		$query .= $this->buildSortPart($rules['sort'], $map['target']['table'], $whitelist);
307		}
308
309		$result = $this->dbal->fetchAll($query, []);
310
311		$this->attachRelationshipsToCollection($collection, $key, $result);
312		}
313		}
314
315		/**
316		* Iterate a result set and attach the relationship to it's correct entity
317		* within a collection.
318		*
319		* @param \Percy\Entity\Collection $collection
320		* @param string $relationship
321		* @param array $data
322		*
323		* @return void
324		*/
325		protected function attachRelationshipsToCollection(Collection $collection, $relationship, array $data)
326		{
327		$map = $this->getRelationshipMap($relationship);
328		$relationships = array_column($data, $map['defined_in']['primary']);
329
330		$remove = [$map['defined_in']['primary'], $map['target']['relationship']];
331
332		foreach ($data as &$resource) {
333		$resource = array_filter($resource, function ($key) use ($remove) {
334		return (! in_array($key, $remove));
335		}, ARRAY_FILTER_USE_KEY);
336		}
337
338		foreach ($collection->getIterator() as $entity) {
339		$entityRels = $entity->getRelationshipMap();
340
341		if (! array_key_exists($relationship, $entityRels)) {
342		continue;
343		}
344
345		$keys = array_keys(preg_grep("/{$entity[$map['defined_in']['entity']]}/", $relationships));
346		$rels = array_filter($data, function ($key) use ($keys) {
347		return in_array($key, $keys);
348		}, ARRAY_FILTER_USE_KEY);
349
350		$rels = $this->buildCollection($rels, $entityRels[$relationship])->setTotal(count($rels));
351		$this->decorate($rels, StoreInterface::ON_READ);
352
353		$entity->addRelationship($relationship, $rels);
354		}
355		}
356
357		/**
358		* Return relationship bind conditional.
359		*
360		* @param \Percy\Entity\Collection $collection
361		* @param string $relationship
362		* @param string $key
363		*
364		* @return string
365		*/
366		protected function getRelationshipBinds(Collection $collection, $relationship, $key)
367		{
368		$primaries = [];
369
370		foreach ($collection->getIterator() as $entity) {
371		if (! array_key_exists($relationship, $entity->getRelationshipMap())) {
372		continue;
373		}
374
375		$primaries[] = "'{$entity[$key]}'";
376		}
377
378		return $primaries;
379		}
380
381		/**
382		* Get possible relationships and the properties attached to them.
383		*
384		* @param string $relationship
385		*
386		* @throws \InvalidArgumentException when requested relationship is not defined
387		* @throws \RuntimeException when map structure is defined incorrectly
388		*
389		* @return array
390		*/
391		public function getRelationshipMap($relationship = null)
392		{
393		if (is_null($relationship)) {
394		return $this->relationships;
395		}
396
397		if (! array_key_exists($relationship, $this->relationships)) {
398		throw new InvalidArgumentException(
399		sprintf('(%s) is not defined in the relationship map on (%s)', $relationship, get_class($this))
400		);
401		}
402
403		$map = $this->relationships[$relationship];
404
405		foreach ([
406		'defined_in' => ['table', 'primary', 'entity'],
407		'target' => ['table', 'primary', 'relationship']
408		] as $key => $value) {
409		if (! array_key_exists($key, $map) \|\| ! is_array($map[$key])) {
410		throw new RuntimeException(
411		sprintf(
412		'Relationship (%s) should contain the (%s) key and should be of type array on (%s)',
413		$relationship, $key, get_class($this)
414		)
415		);
416		}
417
418		if (! empty(array_diff($value, array_keys($map[$key])))) {
419		throw new RuntimeException(
420		sprintf(
421		'(%s) for relationship (%s) should contain keys (%s) on (%s)',
422		$key, $relationship, implode(', ', $value), get_class($this)
423		)
424		);
425		}
426		}
427
428		return $map;
429		}
430
431		/**
432		* Returns table that repository is reading from.
433		*
434		* @return string
435		*/
436		abstract protected function getTable();
437		}
438

acredula / percy

Pull Request — master (#34)

AbstractSqlRepository::getByField() A

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