DoctrineType::reset() - Code Metrics - biurad/flange - Measure and Improve Code Quality continuously with Scrutinizer

DoctrineType::reset() A
last analyzed 2024-02-22 09:36 UTC

↳ Parent: DoctrineType

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	0
dl	0
loc	4
ccs	0
cts	3
cp	0
crap	2
rs	10
c	0
b	0
f	0

<?php declare(strict_types=1);

/*
 * This file is part of Biurad opensource projects.
 *
 * @copyright 2019 Biurad Group (https://biurad.com/)
 * @license   https://opensource.org/licenses/BSD-3-Clause License
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Flange\Database\Doctrine\Form\Type;

use Doctrine\Common\Collections\Collection;
use Doctrine\Persistence\ObjectManager;
use Flange\Database\Doctrine\Form\ChoiceList\DoctrineChoiceLoader;
use Flange\Database\Doctrine\Form\ChoiceList\EntityLoaderInterface;
use Flange\Database\Doctrine\Form\ChoiceList\IdReader;
use Flange\Database\Doctrine\Form\DataTransformer\CollectionToArrayTransformer;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\ChoiceList\ChoiceList;
use Symfony\Component\Form\ChoiceList\Factory\CachingFactoryDecorator;
use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Contracts\Service\ResetInterface;

abstract class DoctrineType extends AbstractType implements ResetInterface
{
    protected ObjectManager $registry;

    /** @var IdReader[] */
    private array $idReaders = [];

    /** @var EntityLoaderInterface[] */
    private array $entityLoaders = [];

    /**
     * Creates the label for a choice.
     *
     * For backwards compatibility, objects are cast to strings by default.
     *
     * @internal This method is public to be usable as callback. It should not
     *           be used in user code.
     */
    public static function createChoiceLabel(object $choice): string
    {
        return (string) $choice;
    }

    /**
     * Creates the field name for a choice.
     *
     * This method is used to generate field names if the underlying object has
     * a single-column integer ID. In that case, the value of the field is
     * the ID of the object. That ID is also used as field name.
     *
     * @param string $value The choice value. Corresponds to the object's ID here.
     *
     * @internal This method is public to be usable as callback. It should not
     *           be used in user code.
     */
    public static function createChoiceName(object $choice, int|string $key, string $value): string
    {
        return \str_replace('-', '_', $value);
    }

    /**
     * Gets important parts from QueryBuilder that will allow to cache its results.
     * For instance in ORM two query builders with an equal SQL string and
     * equal parameters are considered to be equal.
     *
     * @param object $queryBuilder A query builder, type declaration is not present here as there
     *                             is no common base class for the different implementations
     *
     * @internal This method is public to be usable as callback. It should not
     *           be used in user code.
     */
    public function getQueryBuilderPartsForCachingHash(object $queryBuilder): ?array
    {
        return null;
    }

    public function __construct(ObjectManager $registry)
    {
        $this->registry = $registry;
    }

    public function buildForm(FormBuilderInterface $builder, array $options): void
    {
        if ($options['multiple'] && \interface_exists(Collection::class)) {
            $builder
                ->addEventListener(FormEvents::SUBMIT, function (FormEvent $event): void {
                    $collection = $event->getForm()->getData();
                    $data = $event->getData();

                    // If all items were removed, call clear which has a higher
                    // performance on persistent collections
                    if ($collection instanceof Collection && 0 === \count($data)) {
                        $collection->clear();
                    }
                }, 5)
                ->addViewTransformer(new CollectionToArrayTransformer(), true)
            ;
        }
    }

    public function configureOptions(OptionsResolver $resolver): void
    {
        $choiceLoader = function (Options $options) {
            // Unless the choices are given explicitly, load them on demand
            if (null === $options['choices']) {
                // If there is no QueryBuilder we can safely cache
                $vary = [$this->registry, $options['class']];

                // also if concrete Type can return important QueryBuilder parts to generate
                // hash key we go for it as well, otherwise fallback on the instance
                if ($options['query_builder']) {
                    $vary[] = $this->getQueryBuilderPartsForCachingHash($options['query_builder']) ?? $options['query_builder'];
class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
if ($a->getObject()) {
                }

                return ChoiceList::loader($this, new DoctrineChoiceLoader(
                    $this->registry,
                    $options['class'],
                    $options['id_reader'],
                    $this->getCachedEntityLoader(
                        $this->registry,
                        $options['query_builder'] ?? $this->registry->getRepository($options['class'])->createQueryBuilder('e'),
                        $options['class'],
                        $vary
                    )
                ), $vary);
            }

            return null;
        };

        $choiceName = function (Options $options) {
            // If the object has a single-column, numeric ID, use that ID as
            // field name. We can only use numeric IDs as names, as we cannot
            // guarantee that a non-numeric ID contains a valid form name
            if ($options['id_reader'] instanceof IdReader && $options['id_reader']->isIntId()) {
                return ChoiceList::fieldName($this, [__CLASS__, 'createChoiceName']);
            }

            // Otherwise, an incrementing integer is used as name automatically
            return null;
        };

        // The choices are always indexed by ID (see "choices" normalizer
        // and DoctrineChoiceLoader), unless the ID is composite. Then they
        // are indexed by an incrementing integer.
        // Use the ID/incrementing integer as choice value.
        $choiceValue = function (Options $options) {
            // If the entity has a single-column ID, use that ID as value
            if ($options['id_reader'] instanceof IdReader && $options['id_reader']->isSingleId()) {
                return ChoiceList::value($this, [$options['id_reader'], 'getIdValue'], $options['id_reader']);
            }

            // Otherwise, an incrementing integer is used as value automatically
            return null;
        };

        // Invoke the query builder closure so that we can cache choice lists
        // for equal query builders
        $queryBuilderNormalizer = function (Options $options, $queryBuilder) {
            if (\is_callable($queryBuilder)) {
                $queryBuilder = $queryBuilder($this->registry->getRepository($options['class']));
            }

            return $queryBuilder;
        };

        // Set the "id_reader" option via the normalizer. This option is not
        // supposed to be set by the user.
        $idReaderNormalizer = function (Options $options) {
            // The ID reader is a utility that is needed to read the object IDs
            // when generating the field values. The callback generating the
            // field values has no access to the object manager or the class
            // of the field, so we store that information in the reader.
            // The reader is cached so that two choice lists for the same class
            // (and hence with the same reader) can successfully be cached.
            return $this->getCachedIdReader($this->registry, $options['class']);
        };

        $resolver->setDefaults([
            'em' => null,
            'query_builder' => null,
            'choices' => null,
            'choice_loader' => $choiceLoader,
            'choice_label' => ChoiceList::label($this, [__CLASS__, 'createChoiceLabel']),
            'choice_name' => $choiceName,
            'choice_value' => $choiceValue,
            'id_reader' => null, // internal
            'choice_translation_domain' => false,
        ]);

        $resolver->setRequired(['class']);
        $resolver->setNormalizer('query_builder', $queryBuilderNormalizer);
        $resolver->setNormalizer('id_reader', $idReaderNormalizer);
    }

    /**
     * Return the default loader object.
     */
    abstract public function getLoader(ObjectManager $manager, object $queryBuilder, string $class): EntityLoaderInterface;

    public function getParent(): string
    {
        return ChoiceType::class;
    }

    public function reset(): void
    {
        $this->idReaders = [];
        $this->entityLoaders = [];
    }

    private function getCachedIdReader(ObjectManager $manager, string $class): ?IdReader
    {
        $hash = CachingFactoryDecorator::generateHash([$manager, $class]);

        if (isset($this->idReaders[$hash])) {
            return $this->idReaders[$hash];
        }

        $idReader = new IdReader($manager, $manager->getClassMetadata($class));

        // don't cache the instance for composite ids that cannot be optimized
        return $this->idReaders[$hash] = $idReader->isSingleId() ? $idReader : null;
    }

    private function getCachedEntityLoader(ObjectManager $manager, object $queryBuilder, string $class, array $vary): EntityLoaderInterface
    {
        $hash = CachingFactoryDecorator::generateHash($vary);

        return $this->entityLoaders[$hash] ?? ($this->entityLoaders[$hash] = $this->getLoader($manager, $queryBuilder, $class));
    }
}


1			<?php declare(strict_types=1);
2
3			/*
4			* This file is part of Biurad opensource projects.
5			*
6			* @copyright 2019 Biurad Group (https://biurad.com/)
7			* @license https://opensource.org/licenses/BSD-3-Clause License
8			*
9			* For the full copyright and license information, please view the LICENSE
10			* file that was distributed with this source code.
11			*/
12
13			namespace Flange\Database\Doctrine\Form\Type;
14
15			use Doctrine\Common\Collections\Collection;
16			use Doctrine\Persistence\ObjectManager;
17			use Flange\Database\Doctrine\Form\ChoiceList\DoctrineChoiceLoader;
18			use Flange\Database\Doctrine\Form\ChoiceList\EntityLoaderInterface;
19			use Flange\Database\Doctrine\Form\ChoiceList\IdReader;
20			use Flange\Database\Doctrine\Form\DataTransformer\CollectionToArrayTransformer;
21			use Symfony\Component\Form\AbstractType;
22			use Symfony\Component\Form\ChoiceList\ChoiceList;
23			use Symfony\Component\Form\ChoiceList\Factory\CachingFactoryDecorator;
24			use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
25			use Symfony\Component\Form\FormBuilderInterface;
26			use Symfony\Component\Form\FormEvent;
27			use Symfony\Component\Form\FormEvents;
28			use Symfony\Component\OptionsResolver\Options;
29			use Symfony\Component\OptionsResolver\OptionsResolver;
30			use Symfony\Contracts\Service\ResetInterface;
31
32			abstract class DoctrineType extends AbstractType implements ResetInterface
33			{
34			protected ObjectManager $registry;
35
36			/** @var IdReader[] */
37			private array $idReaders = [];
38
39			/** @var EntityLoaderInterface[] */
40			private array $entityLoaders = [];
41
42			/**
43			* Creates the label for a choice.
44			*
45			* For backwards compatibility, objects are cast to strings by default.
46			*
47			* @internal This method is public to be usable as callback. It should not
48			* be used in user code.
49			*/
50			public static function createChoiceLabel(object $choice): string
51			{
52			return (string) $choice;
53			}
54
55			/**
56			* Creates the field name for a choice.
57			*
58			* This method is used to generate field names if the underlying object has
59			* a single-column integer ID. In that case, the value of the field is
60			* the ID of the object. That ID is also used as field name.
61			*
62			* @param string $value The choice value. Corresponds to the object's ID here.
63			*
64			* @internal This method is public to be usable as callback. It should not
65			* be used in user code.
66			*/
67			public static function createChoiceName(object $choice, int\|string $key, string $value): string
68			{
69			return \str_replace('-', '_', $value);
70			}
71
72			/**
73			* Gets important parts from QueryBuilder that will allow to cache its results.
74			* For instance in ORM two query builders with an equal SQL string and
75			* equal parameters are considered to be equal.
76			*
77			* @param object $queryBuilder A query builder, type declaration is not present here as there
78			* is no common base class for the different implementations
79			*
80			* @internal This method is public to be usable as callback. It should not
81			* be used in user code.
82			*/
83			public function getQueryBuilderPartsForCachingHash(object $queryBuilder): ?array
84			{
85			return null;
86			}
87
88			public function __construct(ObjectManager $registry)
89			{
90			$this->registry = $registry;
91			}
92
93			public function buildForm(FormBuilderInterface $builder, array $options): void
94			{
95			if ($options['multiple'] && \interface_exists(Collection::class)) {
96			$builder
97			->addEventListener(FormEvents::SUBMIT, function (FormEvent $event): void {
98			$collection = $event->getForm()->getData();
99			$data = $event->getData();
100
101			// If all items were removed, call clear which has a higher
102			// performance on persistent collections
103			if ($collection instanceof Collection && 0 === \count($data)) {
104			$collection->clear();
105			}
106			}, 5)
107			->addViewTransformer(new CollectionToArrayTransformer(), true)
108			;
109			}
110			}
111
112			public function configureOptions(OptionsResolver $resolver): void
113			{
114			$choiceLoader = function (Options $options) {
115			// Unless the choices are given explicitly, load them on demand
116			if (null === $options['choices']) {
117			// If there is no QueryBuilder we can safely cache
118			$vary = [$this->registry, $options['class']];
119
120			// also if concrete Type can return important QueryBuilder parts to generate
121			// hash key we go for it as well, otherwise fallback on the instance
122			if ($options['query_builder']) {
123			$vary[] = $this->getQueryBuilderPartsForCachingHash($options['query_builder']) ?? $options['query_builder'];
			0 ignored issues – show Bug introduced 2022-11-02 13:06 UTC by Report Bug Copy Issue Report Are you sure the usage of `$this->getQueryBuilderPa...tions['query_builder'])` targeting `Flange\Database\Doctrine...erPartsForCachingHash()` seems to always return null. This check looks for function or method calls that always return null and whose return value is used. class A { function getObject() { return null; } } $a = new A(); if ($a->getObject()) { The method `getObject()` can return nothing but null, so it makes no sense to use the return value. The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes. Loading history...
124			}
125
126			return ChoiceList::loader($this, new DoctrineChoiceLoader(
127			$this->registry,
128			$options['class'],
129			$options['id_reader'],
130			$this->getCachedEntityLoader(
131			$this->registry,
132			$options['query_builder'] ?? $this->registry->getRepository($options['class'])->createQueryBuilder('e'),
133			$options['class'],
134			$vary
135			)
136			), $vary);
137			}
138
139			return null;
140			};
141
142			$choiceName = function (Options $options) {
143			// If the object has a single-column, numeric ID, use that ID as
144			// field name. We can only use numeric IDs as names, as we cannot
145			// guarantee that a non-numeric ID contains a valid form name
146			if ($options['id_reader'] instanceof IdReader && $options['id_reader']->isIntId()) {
147			return ChoiceList::fieldName($this, [__CLASS__, 'createChoiceName']);
148			}
149
150			// Otherwise, an incrementing integer is used as name automatically
151			return null;
152			};
153
154			// The choices are always indexed by ID (see "choices" normalizer
155			// and DoctrineChoiceLoader), unless the ID is composite. Then they
156			// are indexed by an incrementing integer.
157			// Use the ID/incrementing integer as choice value.
158			$choiceValue = function (Options $options) {
159			// If the entity has a single-column ID, use that ID as value
160			if ($options['id_reader'] instanceof IdReader && $options['id_reader']->isSingleId()) {
161			return ChoiceList::value($this, [$options['id_reader'], 'getIdValue'], $options['id_reader']);
162			}
163
164			// Otherwise, an incrementing integer is used as value automatically
165			return null;
166			};
167
168			// Invoke the query builder closure so that we can cache choice lists
169			// for equal query builders
170			$queryBuilderNormalizer = function (Options $options, $queryBuilder) {
171			if (\is_callable($queryBuilder)) {
172			$queryBuilder = $queryBuilder($this->registry->getRepository($options['class']));
173			}
174
175			return $queryBuilder;
176			};
177
178			// Set the "id_reader" option via the normalizer. This option is not
179			// supposed to be set by the user.
180			$idReaderNormalizer = function (Options $options) {
181			// The ID reader is a utility that is needed to read the object IDs
182			// when generating the field values. The callback generating the
183			// field values has no access to the object manager or the class
184			// of the field, so we store that information in the reader.
185			// The reader is cached so that two choice lists for the same class
186			// (and hence with the same reader) can successfully be cached.
187			return $this->getCachedIdReader($this->registry, $options['class']);
188			};
189
190			$resolver->setDefaults([
191			'em' => null,
192			'query_builder' => null,
193			'choices' => null,
194			'choice_loader' => $choiceLoader,
195			'choice_label' => ChoiceList::label($this, [__CLASS__, 'createChoiceLabel']),
196			'choice_name' => $choiceName,
197			'choice_value' => $choiceValue,
198			'id_reader' => null, // internal
199			'choice_translation_domain' => false,
200			]);
201
202			$resolver->setRequired(['class']);
203			$resolver->setNormalizer('query_builder', $queryBuilderNormalizer);
204			$resolver->setNormalizer('id_reader', $idReaderNormalizer);
205			}
206
207			/**
208			* Return the default loader object.
209			*/
210			abstract public function getLoader(ObjectManager $manager, object $queryBuilder, string $class): EntityLoaderInterface;
211
212			public function getParent(): string
213			{
214			return ChoiceType::class;
215			}
216
217			public function reset(): void
218			{
219			$this->idReaders = [];
220			$this->entityLoaders = [];
221			}
222
223			private function getCachedIdReader(ObjectManager $manager, string $class): ?IdReader
224			{
225			$hash = CachingFactoryDecorator::generateHash([$manager, $class]);
226
227			if (isset($this->idReaders[$hash])) {
228			return $this->idReaders[$hash];
229			}
230
231			$idReader = new IdReader($manager, $manager->getClassMetadata($class));
232
233			// don't cache the instance for composite ids that cannot be optimized
234			return $this->idReaders[$hash] = $idReader->isSingleId() ? $idReader : null;
235			}
236
237			private function getCachedEntityLoader(ObjectManager $manager, object $queryBuilder, string $class, array $vary): EntityLoaderInterface
238			{
239			$hash = CachingFactoryDecorator::generateHash($vary);
240
241			return $this->entityLoaders[$hash] ?? ($this->entityLoaders[$hash] = $this->getLoader($manager, $queryBuilder, $class));
242			}
243			}
244

biurad / flange

DoctrineType::reset() A last analyzed 2024-02-22 09:36 UTC

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DoctrineType::reset() A
last analyzed 2024-02-22 09:36 UTC