AbstractElasticsearchRepository::findOneBy() - Code Metrics - Inspection of "Add support for index alias" - SSHVersionControl/odm-elasticsearch - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( a02f46...bb45b5 )

by Paul

created 2019-03-19 10:34 UTC

AbstractElasticsearchRepository::findOneBy() A

↳ Parent: AbstractElasticsearchRepository

Complexity

Conditions	2
Paths	2

Size

Total Lines	14
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
eloc	7
dl	0
loc	14
ccs	0
cts	8
cp	0
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1
crap	6

<?php

declare(strict_types=1);

namespace CCT\Component\ODMElasticsearch\Repository;

use CCT\Component\ODMElasticsearch\Repository\Exception\ReverseTransformationException;
use CCT\Component\ODMElasticsearch\Repository\Model\DocumentSupportInterface;
use CCT\Component\ODMElasticsearch\Repository\Traits\AggregationTrait;
use CCT\Component\ODMElasticsearch\Transformer\DataTransformerInterface;
use Elastica\Document;
use Elastica\Exception\InvalidException;
use Elastica\Query;
use Elastica\Query\AbstractQuery;

abstract class AbstractElasticsearchRepository implements ObjectRepositoryInterface
{
    use AggregationTrait;

    /**
     * The entity class name
     *
     * @var string
     */
    protected $entityName;

    /**
     * @var Index
     */
    protected $index;

    /**
     * @var Index
     */
    protected $indexAlias;

    /**
     * @var boolean
     */
    protected $useIndexAlias = false;

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

    /**
     * @var DataTransformerInterface
     */
    protected $dataTransformer;

    /**
     * @var array
     */
    protected $errors;

    /**
     * AbstractElasticsearchRepository constructor.
     * Creates the index on Elasticsearch if not existing already.
     *
     * @param string $entityName
     * @param IndexMapping $indexMapping
     * @param DataTransformerInterface $dataTransformer
     *
     * @throws \Exception
     */
    public function __construct(
        string $entityName,
        IndexMapping $indexMapping,
        DataTransformerInterface $dataTransformer
    ) {
        $this->entityName = $entityName;

        $this->index = $indexMapping->getIndex($entityName);

        $this->indexAlias = $indexMapping->getIndexAlias($entityName);

        $this->dataTransformer = $dataTransformer;

        $this->query = new Query();

        $this->errors = [];
    }

    /**
     * Gets the results as hydrated objects
     *
     * @return array
     */
    public function getResults(): array
    {
        $resultSet = $this->getIndex()->search($this->query);

        $objects = [];

        foreach ($resultSet->getDocuments() as $document) {
            $objects[] = $this->reverseTransform($document);
        }

        return $objects;
    }

    /**
     * Gets the scalar results for the query.
     *
     * @return array
     */
    public function getScalarResults(): array
    {
        $resultSet = $this->getIndex()->search($this->query);

        return $resultSet->getResponse()->getData();
    }

    /**
     * Get count of query
     *
     * @return int number of documents matching the query
     */
    public function getCount(): int
    {
        return $this->getIndex()->count($this->query);
    }

    /**
     * @param DocumentSupportInterface $object
     *
     * @return bool
     */
    public function save(DocumentSupportInterface $object): bool
    {
        if ($this->index->hasDocument($object->getId())) {
            return $this->update($object);
        }

        return $this->insert($object);
    }

    /**
     * Bulk insert of multiple objects
     *
     * @param array $objects
     *
     * @return bool
     */
    public function batchInsert(array $objects): bool
    {
        $documents = [];
        foreach ($objects as $object) {
            $documents[] = $this->transformToDocument($object);
        }

        $this->index->addDocuments($documents);
        $this->index->refresh();

        return true;
    }

    /**
     * Adds a limit of results to the query.
     *
     * @param int $limit
     *
     * @return void
     */
    public function limit($limit): void
    {
        $this->query->setSize($limit);
    }

    /**
     * Offset\from of results to the query.
     *
     * @param int $offset
     *
     * @return void
     */
    public function offset($offset): void
    {
        $this->query->setFrom($offset);
    }

    /**
     * Just check if the there is some result for the criteria.
     * The result is based on ID column.
     *
     * @return bool
     */
    public function exists(): bool
    {
        return $this->getIndex()->exists();
    }

    /**
     * Specifies an ordering for the query results.
     * Replaces any previously specified orderings, if any.
     *
     * @param string $sort The ordering expression.
     * @param string $order The ordering direction.
     *
     * @return void
     */
    public function orderBy($sort, $order = null): void
    {
        $direction = $order ?? 'asc';
        $this->query->setSort([$sort => $direction]);
    }

    /**
     * It clears the current Criteria state (remove the filters).
     *
     * @return void
     */
    public function clear(): void
    {
        $this->query = new Query();
    }

    /**
     * Find entity by id on elastic search
     *
     * @param $id
     *
     * @return DocumentSupportInterface|null
     * @throws \ReflectionException
     */
    public function findById($id): ?DocumentSupportInterface
    {
        $document = $this->getIndex()->getDocument($id);

        return $this->reverseTransform($document);
    }

    /**
     * @param DocumentSupportInterface $object
     *
     * @return bool
     */
    public function insert(DocumentSupportInterface $object): bool
    {
        $document = $this->transformToDocument($object);

        try {
            $this->getIndex()->addDocument($document);
        } catch (InvalidException $exception) {
            $this->log($exception->getMessage());

            return false;
        }

        return true;
    }

    /**
     * @param DocumentSupportInterface $object
     *
     * @return bool
     */
    public function update(DocumentSupportInterface $object): bool
    {
        $document = $this->transformToDocument($object);

        try {
            $this->index->updateDocument($document);
        } catch (InvalidException $exception) {
            $this->log($exception->getMessage());

            return false;
        }

        return true;
    }

    /**
     * @param DocumentSupportInterface $object
     *
     * @return bool
     */
    public function delete(DocumentSupportInterface $object): bool
    {
        $document = $this->transformToDocument($object);

        try {
            $this->index->deleteDocument($document);
        } catch (InvalidException $exception) {
            $this->log($exception->getMessage());

            return false;
        }

        return true;
    }

    /**
     * Creates an elastica document
     *
     * @param DocumentSupportInterface $object
     *
     * @return Document
     */
    public function transformToDocument(DocumentSupportInterface $object): Document
    {
        if (null === $object->getId()) {
            throw new \RuntimeException('Object must have and id function getId()');
        }

        $data = $this->dataTransformer->transform($object);

        if (null === $data) {
            throw new \RuntimeException(
                'Data was not converted to array. Please check a config for ' . \get_class($object)
            );
        }

        return new Document($object->getId(), $data);
    }

    /**
     * Convert elastica document to entity object
     *
     * @param Document $document
     *
     * @return DocumentSupportInterface
     * @throws \ReflectionException
     */
    public function reverseTransform(Document $document): DocumentSupportInterface
    {
        $entity = new \ReflectionClass($this->entityName);
        /** @var DocumentSupportInterface $object */
        $object = $entity->newInstanceWithoutConstructor();

        if (false === $object instanceof DocumentSupportInterface) {
            throw new ReverseTransformationException(
                sprintf('Entity "%s" is not an instance of "%s"', $this->entityName, DocumentSupportInterface::class)
            );
        }

        $documentData = $document->getData();
        if (!\is_array($documentData)) {

            return null;
        }

        $this->dataTransformer->reverseTransform($document->getData(), $object);

        return $object;
    }

    /**
     * Get any errors logged
     *
     * @return array
     */
    public function getErrors(): array
    {
        return $this->errors;
    }

    /**
     * Log error and other messages
     *
     * @param string $message
     * @param string $type
     */
    public function log(string $message, string $type = 'error'): void
    {
        if ('error' === $type) {
            $this->errors[] = $message;
        }
    }

    /**
     * {@inheritdoc}
     * @throws \ReflectionException
     */
    public function find($id): ?DocumentSupportInterface
    {
        return $this->findById($id);
    }

    /**
     * {@inheritdoc}
     */
    public function findAll(): array
    {
        $this->clear();

        $maxSize = $this->getCount();

        $this->query->setSize($maxSize);

        $this->query->setFrom(0);

        return $this->getResults();
    }

    /**
     * {@inheritdoc}
     */
    public function findBy(AbstractQuery $query, ?array $orderBy = null, int $limit = null, int $offset = null): array
    {
        $this->clear();

        $this->query->setQuery($query);

        if (null !== $orderBy && \count($orderBy) > 0) {
            $sort = reset($orderBy);
            $direction = next($orderBy) === 'desc' ? 'desc' : 'asc';
            $this->orderBy($sort, $direction);
        }

        $this->query->setSize($limit ?? 1000);

        $this->query->setFrom($offset ?? 0);

        return $this->getResults();
    }

    /**
     * {@inheritdoc}
     */
    public function findOneBy(AbstractQuery $query): ?DocumentSupportInterface
    {
        $this->clear();

        $this->query->setQuery($query);

        $resultSet = $this->getIndex()->search($this->query);

        $document = current($resultSet->getDocuments());
        if (false === $document) {
            return null;
        }

        return $this->reverseTransform($document);
    }

    /**
     * {@inheritdoc}
     */
    public function getClassName(): string
    {
        return $this->entityName;
    }

    /**
     * @return Index
     */
    protected function getIndex(): Index
    {
        if (true === $this->useIndexAlias && null !== $this->indexAlias) {
            return $this->indexAlias;
        }

        return $this->index;
    }

    /**
     * @param bool $use
     */
    protected function useIndexAlias(bool $use): void
    {
        $this->useIndexAlias = $use;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace CCT\Component\ODMElasticsearch\Repository;
6
7		use CCT\Component\ODMElasticsearch\Repository\Exception\ReverseTransformationException;
8		use CCT\Component\ODMElasticsearch\Repository\Model\DocumentSupportInterface;
9		use CCT\Component\ODMElasticsearch\Repository\Traits\AggregationTrait;
10		use CCT\Component\ODMElasticsearch\Transformer\DataTransformerInterface;
11		use Elastica\Document;
12		use Elastica\Exception\InvalidException;
13		use Elastica\Query;
14		use Elastica\Query\AbstractQuery;
15
16		abstract class AbstractElasticsearchRepository implements ObjectRepositoryInterface
17		{
18		use AggregationTrait;
19
20		/**
21		* The entity class name
22		*
23		* @var string
24		*/
25		protected $entityName;
26
27		/**
28		* @var Index
29		*/
30		protected $index;
31
32		/**
33		* @var Index
34		*/
35		protected $indexAlias;
36
37		/**
38		* @var boolean
39		*/
40		protected $useIndexAlias = false;
41
42		/**
43		* @var Query
44		*/
45		protected $query;
46
47		/**
48		* @var DataTransformerInterface
49		*/
50		protected $dataTransformer;
51
52		/**
53		* @var array
54		*/
55		protected $errors;
56
57		/**
58		* AbstractElasticsearchRepository constructor.
59		* Creates the index on Elasticsearch if not existing already.
60		*
61		* @param string $entityName
62		* @param IndexMapping $indexMapping
63		* @param DataTransformerInterface $dataTransformer
64		*
65		* @throws \Exception
66		*/
67	2	public function __construct(
68		string $entityName,
69		IndexMapping $indexMapping,
70		DataTransformerInterface $dataTransformer
71		) {
72	2	$this->entityName = $entityName;
73
74	2	$this->index = $indexMapping->getIndex($entityName);
75
76	2	$this->indexAlias = $indexMapping->getIndexAlias($entityName);
77
78	2	$this->dataTransformer = $dataTransformer;
79
80	2	$this->query = new Query();
81
82	2	$this->errors = [];
83	2	}
84
85		/**
86		* Gets the results as hydrated objects
87		*
88		* @return array
89		*/
90		public function getResults(): array
91		{
92		$resultSet = $this->getIndex()->search($this->query);
93
94		$objects = [];
95
96		foreach ($resultSet->getDocuments() as $document) {
97		$objects[] = $this->reverseTransform($document);
98		}
99
100		return $objects;
101		}
102
103		/**
104		* Gets the scalar results for the query.
105		*
106		* @return array
107		*/
108		public function getScalarResults(): array
109		{
110		$resultSet = $this->getIndex()->search($this->query);
111
112		return $resultSet->getResponse()->getData();
113		}
114
115		/**
116		* Get count of query
117		*
118		* @return int number of documents matching the query
119		*/
120		public function getCount(): int
121		{
122		return $this->getIndex()->count($this->query);
123		}
124
125		/**
126		* @param DocumentSupportInterface $object
127		*
128		* @return bool
129		*/
130		public function save(DocumentSupportInterface $object): bool
131		{
132		if ($this->index->hasDocument($object->getId())) {
133		return $this->update($object);
134		}
135
136		return $this->insert($object);
137		}
138
139		/**
140		* Bulk insert of multiple objects
141		*
142		* @param array $objects
143		*
144		* @return bool
145		*/
146		public function batchInsert(array $objects): bool
147		{
148		$documents = [];
149		foreach ($objects as $object) {
150		$documents[] = $this->transformToDocument($object);
151		}
152
153		$this->index->addDocuments($documents);
154		$this->index->refresh();
155
156		return true;
157		}
158
159		/**
160		* Adds a limit of results to the query.
161		*
162		* @param int $limit
163		*
164		* @return void
165		*/
166		public function limit($limit): void
167		{
168		$this->query->setSize($limit);
169		}
170
171		/**
172		* Offset\from of results to the query.
173		*
174		* @param int $offset
175		*
176		* @return void
177		*/
178		public function offset($offset): void
179		{
180		$this->query->setFrom($offset);
181		}
182
183		/**
184		* Just check if the there is some result for the criteria.
185		* The result is based on ID column.
186		*
187		* @return bool
188		*/
189		public function exists(): bool
190		{
191		return $this->getIndex()->exists();
192		}
193
194		/**
195		* Specifies an ordering for the query results.
196		* Replaces any previously specified orderings, if any.
197		*
198		* @param string $sort The ordering expression.
199		* @param string $order The ordering direction.
200		*
201		* @return void
202		*/
203		public function orderBy($sort, $order = null): void
204		{
205		$direction = $order ?? 'asc';
206		$this->query->setSort([$sort => $direction]);
207		}
208
209		/**
210		* It clears the current Criteria state (remove the filters).
211		*
212		* @return void
213		*/
214		public function clear(): void
215		{
216		$this->query = new Query();
217		}
218
219		/**
220		* Find entity by id on elastic search
221		*
222		* @param $id
223		*
224		* @return DocumentSupportInterface\|null
225		* @throws \ReflectionException
226		*/
227		public function findById($id): ?DocumentSupportInterface
228		{
229		$document = $this->getIndex()->getDocument($id);
230
231		return $this->reverseTransform($document);
232		}
233
234		/**
235		* @param DocumentSupportInterface $object
236		*
237		* @return bool
238		*/
239		public function insert(DocumentSupportInterface $object): bool
240		{
241		$document = $this->transformToDocument($object);
242
243		try {
244		$this->getIndex()->addDocument($document);
245		} catch (InvalidException $exception) {
246		$this->log($exception->getMessage());
247
248		return false;
249		}
250
251		return true;
252		}
253
254		/**
255		* @param DocumentSupportInterface $object
256		*
257		* @return bool
258		*/
259		public function update(DocumentSupportInterface $object): bool
260		{
261		$document = $this->transformToDocument($object);
262
263		try {
264		$this->index->updateDocument($document);
265		} catch (InvalidException $exception) {
266		$this->log($exception->getMessage());
267
268		return false;
269		}
270
271		return true;
272		}
273
274		/**
275		* @param DocumentSupportInterface $object
276		*
277		* @return bool
278		*/
279		public function delete(DocumentSupportInterface $object): bool
280		{
281		$document = $this->transformToDocument($object);
282
283		try {
284		$this->index->deleteDocument($document);
285		} catch (InvalidException $exception) {
286		$this->log($exception->getMessage());
287
288		return false;
289		}
290
291		return true;
292		}
293
294		/**
295		* Creates an elastica document
296		*
297		* @param DocumentSupportInterface $object
298		*
299		* @return Document
300		*/
301		public function transformToDocument(DocumentSupportInterface $object): Document
302		{
303		if (null === $object->getId()) {
304		throw new \RuntimeException('Object must have and id function getId()');
305		}
306
307		$data = $this->dataTransformer->transform($object);
308
309		if (null === $data) {
310		throw new \RuntimeException(
311		'Data was not converted to array. Please check a config for ' . \get_class($object)
312		);
313		}
314
315		return new Document($object->getId(), $data);
316		}
317
318		/**
319		* Convert elastica document to entity object
320		*
321		* @param Document $document
322		*
323		* @return DocumentSupportInterface
324		* @throws \ReflectionException
325		*/
326		public function reverseTransform(Document $document): DocumentSupportInterface
327		{
328		$entity = new \ReflectionClass($this->entityName);
329		/** @var DocumentSupportInterface $object */
330		$object = $entity->newInstanceWithoutConstructor();
331
332		if (false === $object instanceof DocumentSupportInterface) {
333		throw new ReverseTransformationException(
334		sprintf('Entity "%s" is not an instance of "%s"', $this->entityName, DocumentSupportInterface::class)
335		);
336		}
337
338		$documentData = $document->getData();
339		if (!\is_array($documentData)) {
		0 ignored issues – show introduced 2019-01-01 13:54 UTC by Report Bug Copy Issue Report The condition `is_array($documentData)` is always `true`. Loading history...
340		return null;
341		}
342
343		$this->dataTransformer->reverseTransform($document->getData(), $object);
344
345		return $object;
346		}
347
348		/**
349		* Get any errors logged
350		*
351		* @return array
352		*/
353		public function getErrors(): array
354		{
355		return $this->errors;
356		}
357
358		/**
359		* Log error and other messages
360		*
361		* @param string $message
362		* @param string $type
363		*/
364		public function log(string $message, string $type = 'error'): void
365		{
366		if ('error' === $type) {
367		$this->errors[] = $message;
368		}
369		}
370
371		/**
372		* {@inheritdoc}
373		* @throws \ReflectionException
374		*/
375		public function find($id): ?DocumentSupportInterface
376		{
377		return $this->findById($id);
378		}
379
380		/**
381		* {@inheritdoc}
382		*/
383		public function findAll(): array
384		{
385		$this->clear();
386
387		$maxSize = $this->getCount();
388
389		$this->query->setSize($maxSize);
390
391		$this->query->setFrom(0);
392
393		return $this->getResults();
394		}
395
396		/**
397		* {@inheritdoc}
398		*/
399		public function findBy(AbstractQuery $query, ?array $orderBy = null, int $limit = null, int $offset = null): array
400		{
401		$this->clear();
402
403		$this->query->setQuery($query);
404
405		if (null !== $orderBy && \count($orderBy) > 0) {
406		$sort = reset($orderBy);
407		$direction = next($orderBy) === 'desc' ? 'desc' : 'asc';
408		$this->orderBy($sort, $direction);
409		}
410
411		$this->query->setSize($limit ?? 1000);
412
413		$this->query->setFrom($offset ?? 0);
414
415		return $this->getResults();
416		}
417
418		/**
419		* {@inheritdoc}
420		*/
421		public function findOneBy(AbstractQuery $query): ?DocumentSupportInterface
422		{
423		$this->clear();
424
425		$this->query->setQuery($query);
426
427		$resultSet = $this->getIndex()->search($this->query);
428
429		$document = current($resultSet->getDocuments());
430		if (false === $document) {
431		return null;
432		}
433
434		return $this->reverseTransform($document);
435		}
436
437		/**
438		* {@inheritdoc}
439		*/
440		public function getClassName(): string
441		{
442		return $this->entityName;
443		}
444
445		/**
446		* @return Index
447		*/
448		protected function getIndex(): Index
449		{
450		if (true === $this->useIndexAlias && null !== $this->indexAlias) {
451		return $this->indexAlias;
452		}
453
454		return $this->index;
455		}
456
457		/**
458		* @param bool $use
459		*/
460		protected function useIndexAlias(bool $use): void
461		{
462		$this->useIndexAlias = $use;
463		}
464		}
465

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AbstractElasticsearchRepository::findOneBy() A

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