Proxy::executeCallback() - Code Metrics - Inspection of "feature(doctrine events): allow factories to disab..." - zenstruck/foundry - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#216)

by Charly

created 2021-11-26 16:48 UTC

Proxy::executeCallback() A

↳ Parent: Proxy

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	7
c	1
b	0
f	0
dl	0
loc	9
rs	10
ccs	0
cts	0
cp	0
cc	1
nc	1
nop	2
crap	2

<?php

namespace Zenstruck\Foundry;

use Doctrine\Bundle\DoctrineBundle\EventSubscriber\EventSubscriberInterface;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\Persistence\ObjectManager;
use Zenstruck\Assert;
use Zenstruck\Callback;
use Zenstruck\Callback\Parameter;

/**
 * @template TProxiedObject of object
 * @mixin TProxiedObject
 *
 * @author Kevin Bond <[email protected]>
 */
final class Proxy
{
    /**
     * @var object
     * @psalm-var TProxiedObject
     */
    private $object;

    /**
     * @var string
     * @psalm-var class-string<TProxiedObject>
     */
    private $class;

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

    /** @var bool */
    private $persisted = false;

    /** @var array */
    private $doctrineEvents = [];

    /**
     * @internal
     *
     * @psalm-param TProxiedObject $object
     */
    public function __construct(object $object)
    {
        $this->object = $object;
        $this->class = \get_class($object);
        $this->autoRefresh = Factory::configuration()->defaultProxyAutoRefresh();
    }

    public function __call(string $method, array $arguments)
    {
        return $this->object()->{$method}(...$arguments);
    }

    public function __get(string $name)
    {
        return $this->object()->{$name};
    }

    public function __set(string $name, $value): void
    {
        $this->object()->{$name} = $value;
    }

    public function __unset(string $name): void
    {
        unset($this->object()->{$name});
    }

    public function __isset(string $name): bool
    {
        return isset($this->object()->{$name});
    }

    public function __toString(): string
    {
        if (!\method_exists($this->object, '__toString')) {
            if (\PHP_VERSION_ID < 70400) {
                return '(no __toString)';
            }

            throw new \RuntimeException(\sprintf('Proxied object "%s" cannot be converted to a string.', $this->class));
        }

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

    /**
     * @internal
     *
     * @template TObject of object
     * @psalm-param TObject $object
     * @psalm-return Proxy<TObject>
     */
    public static function createFromPersisted(object $object): self
    {
        $proxy = new self($object);
        $proxy->persisted = true;

        return $proxy;
    }

    public function isPersisted(): bool
    {
        return $this->persisted;
    }

    /**
     * @return TProxiedObject
filter:
    dependency_paths: ["lib/*"]
     */
    public function object(): object
    {
        if (!$this->autoRefresh || !$this->persisted) {
            return $this->object;
        }

        $om = $this->objectManager();

        // only check for changes if the object is managed in the current om
        if ($om instanceof EntityManagerInterface && $om->contains($this->object)) {
            // cannot use UOW::recomputeSingleEntityChangeSet() here as it wrongly computes embedded objects as changed
            $om->getUnitOfWork()->computeChangeSet($om->getClassMetadata($this->class), $this->object);

            if (!empty($om->getUnitOfWork()->getEntityChangeSet($this->object))) {
                throw new \RuntimeException(\sprintf('Cannot auto refresh "%s" as there are unsaved changes. Be sure to call ->save() or disable auto refreshing (see https://symfony.com/bundles/ZenstruckFoundryBundle/current/index.html#auto-refresh for details).', $this->class));
            }
        }

        $this->refresh();

        return $this->object;
    }

    /**
     * @psalm-return static
     */
    public function save(): self
    {
        $this->objectManager()->persist($this->object);
        $this->objectManager()->flush();
        $this->persisted = true;

        return $this;
    }

    public function remove(): self
    {
        $this->objectManager()->remove($this->object);
        $this->objectManager()->flush();
        $this->autoRefresh = $this->persisted = false;

        return $this;
    }

    public function refresh(): self
    {
        if (!$this->persisted) {
            throw new \RuntimeException(\sprintf('Cannot refresh unpersisted object (%s).', $this->class));
        }

        if ($this->objectManager()->contains($this->object)) {
            $this->objectManager()->refresh($this->object);

            return $this;
        }

        if (!$object = $this->fetchObject()) {
            throw new \RuntimeException('The object no longer exists.');
        }

        $this->object = $object;

        return $this;
    }

    /**
     * @param mixed $value
     */
    public function forceSet(string $property, $value): self
    {
        return $this->forceSetAll([$property => $value]);
    }

    public function forceSetAll(array $properties): self
    {
        $object = $this->object();

        foreach ($properties as $property => $value) {
            Instantiator::forceSet($object, $property, $value);
        }

        return $this;
    }

    /**
     * @return mixed
     */
    public function forceGet(string $property)
    {
        return Instantiator::forceGet($this->object(), $property);
    }

    public function repository(): RepositoryProxy
    {
        return Factory::configuration()->repositoryFor($this->class);
    }

    public function enableAutoRefresh(): self
    {
        if (!$this->persisted) {
            throw new \RuntimeException(\sprintf('Cannot enable auto-refresh on unpersisted object (%s).', $this->class));
        }

        $this->autoRefresh = true;

        return $this;
    }

    public function disableAutoRefresh(): self
    {
        $this->autoRefresh = false;

        return $this;
    }

    public function disableDoctrineEvents(?string $eventTypeName = null): self
    {
        /** @var EntityManagerInterface $manager */
        $manager = $this->objectManager();

        $this->doctrineEvents = $manager->getConnection()->getEventManager()->getListeners($eventTypeName);
        foreach ($this->doctrineEvents as $type => $listenersByType) {
            foreach ($listenersByType as $listener) {
                if ($listener instanceof EventSubscriberInterface) {
                    $manager->getConnection()->getEventManager()->removeEventSubscriber($listener);

                    continue;
                }

                $manager->getConnection()->getEventManager()->removeEventListener($type, $listener);
            }
        }

        return $this;
    }

    public function resetDoctrineEvents(): self
    {
        /** @var EntityManagerInterface $manager */
        $manager = $this->objectManager();

        foreach ($this->doctrineEvents as $type => $listenersByType) {
            foreach ($listenersByType as $listener) {
                if ($listener instanceof EventSubscriberInterface) {
                    $manager->getConnection()->getEventManager()->addEventSubscriber($listener);

                    continue;
                }

                $manager->getConnection()->getEventManager()->addEventListener($type, $listener);
            }
        }

        return $this;
    }

    /**
     * Ensures "autoRefresh" is disabled when executing $callback. Re-enables
     * "autoRefresh" after executing callback if it was enabled.
     *
     * @param callable $callback (object|Proxy $object): void
     *
     * @psalm-return static
     */
    public function withoutAutoRefresh(callable $callback): self
    {
        $original = $this->autoRefresh;
        $this->autoRefresh = false;

        $this->executeCallback($callback);

        $this->autoRefresh = $original; // set to original value (even if it was false)

        return $this;
    }

    public function assertPersisted(string $message = '{entity} is not persisted.'): self
    {
        Assert::that($this->fetchObject())->isNotEmpty($message, ['entity' => $this->class]);

        return $this;
    }

    public function assertNotPersisted(string $message = '{entity} is persisted but it should not be.'): self
    {
        Assert::that($this->fetchObject())->isEmpty($message, ['entity' => $this->class]);

        return $this;
    }

    /**
     * @internal
     */
    public function executeCallback(callable $callback, ...$arguments): void
    {
        Callback::createFor($callback)->invoke(
            Parameter::union(
                Parameter::untyped($this),
                Parameter::typed(self::class, $this),
                Parameter::typed($this->class, Parameter::factory(function() { return $this->object(); }))
            )->optional(),
            ...$arguments
        );
    }

    /**
     * @psalm-return TProxiedObject|null
     */
    private function fetchObject(): ?object
    {
        $id = $this->objectManager()->getClassMetadata($this->class)->getIdentifierValues($this->object);

        return empty($id) ? null : $this->objectManager()->find($this->class, $id);
    }

    private function objectManager(): ObjectManager
    {
        return Factory::configuration()->objectManagerFor($this->class);
    }
}


1		<?php
2
3		namespace Zenstruck\Foundry;
4
5		use Doctrine\Bundle\DoctrineBundle\EventSubscriber\EventSubscriberInterface;
6		use Doctrine\ORM\EntityManagerInterface;
7		use Doctrine\Persistence\ObjectManager;
8		use Zenstruck\Assert;
9		use Zenstruck\Callback;
10		use Zenstruck\Callback\Parameter;
11
12		/**
13		* @template TProxiedObject of object
14		* @mixin TProxiedObject
15		*
16		* @author Kevin Bond <[email protected]>
17		*/
18		final class Proxy
19		{
20		/**
21		* @var object
22		* @psalm-var TProxiedObject
23		*/
24		private $object;
25
26		/**
27		* @var string
28		* @psalm-var class-string<TProxiedObject>
29		*/
30		private $class;
31
32		/** @var bool */
33		private $autoRefresh;
34
35		/** @var bool */
36		private $persisted = false;
37
38		/** @var array */
39	857	private $doctrineEvents = [];
40
41	857	/**
42	857	* @internal
43	857	*
44	857	* @psalm-param TProxiedObject $object
45		*/
46	478	public function __construct(object $object)
47		{
48	478	$this->object = $object;
49		$this->class = \get_class($object);
50		$this->autoRefresh = Factory::configuration()->defaultProxyAutoRefresh();
51	10	}
52
53	10	public function __call(string $method, array $arguments)
54		{
55		return $this->object()->{$method}(...$arguments);
56	10	}
57
58	10	public function __get(string $name)
59	10	{
60		return $this->object()->{$name};
61	10	}
62
63	10	public function __set(string $name, $value): void
64	10	{
65		$this->object()->{$name} = $value;
66	10	}
67
68	10	public function __unset(string $name): void
69		{
70		unset($this->object()->{$name});
71	20	}
72
73	20	public function __isset(string $name): bool
74	10	{
75		return isset($this->object()->{$name});
76		}
77
78	10	public function __toString(): string
79		{
80		if (!\method_exists($this->object, '__toString')) {
81	10	if (\PHP_VERSION_ID < 70400) {
82		return '(no __toString)';
83		}
84
85		throw new \RuntimeException(\sprintf('Proxied object "%s" cannot be converted to a string.', $this->class));
86		}
87
88		return $this->object()->__toString();
89		}
90
91	170	/**
92		* @internal
93	170	*
94	170	* @template TObject of object
95		* @psalm-param TObject $object
96	170	* @psalm-return Proxy<TObject>
97		*/
98		public static function createFromPersisted(object $object): self
99	428	{
100		$proxy = new self($object);
101	428	$proxy->persisted = true;
102
103		return $proxy;
104		}
105
106		public function isPersisted(): bool
107	568	{
108		return $this->persisted;
109	568	}
110	40
111		/**
112		* @return TProxiedObject
		0 ignored issues – show Bug introduced 2021-08-20 04:47 UTC by Report Bug Copy Issue Report The type `Zenstruck\Foundry\TProxiedObject` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
113	568	*/
114		public function object(): object
115		{
116	645	if (!$this->autoRefresh \|\| !$this->persisted) {
117		return $this->object;
118	645	}
119	635
120	635	$om = $this->objectManager();
121
122	635	// only check for changes if the object is managed in the current om
123		if ($om instanceof EntityManagerInterface && $om->contains($this->object)) {
124		// cannot use UOW::recomputeSingleEntityChangeSet() here as it wrongly computes embedded objects as changed
125	10	$om->getUnitOfWork()->computeChangeSet($om->getClassMetadata($this->class), $this->object);
126
127	10	if (!empty($om->getUnitOfWork()->getEntityChangeSet($this->object))) {
128	10	throw new \RuntimeException(\sprintf('Cannot auto refresh "%s" as there are unsaved changes. Be sure to call ->save() or disable auto refreshing (see https://symfony.com/bundles/ZenstruckFoundryBundle/current/index.html#auto-refresh for details).', $this->class));
129	10	}
130		}
131	10
132		$this->refresh();
133
134	90	return $this->object;
135		}
136	90
137	10	/**
138		* @psalm-return static
139		*/
140	80	public function save(): self
141	60	{
142		$this->objectManager()->persist($this->object);
143	60	$this->objectManager()->flush();
144		$this->persisted = true;
145
146	20	return $this;
147	10	}
148
149		public function remove(): self
150	10	{
151		$this->objectManager()->remove($this->object);
152	10	$this->objectManager()->flush();
153		$this->autoRefresh = $this->persisted = false;
154
155		return $this;
156		}
157
158	70	public function refresh(): self
159		{
160	70	if (!$this->persisted) {
161		throw new \RuntimeException(\sprintf('Cannot refresh unpersisted object (%s).', $this->class));
162		}
163	80
164		if ($this->objectManager()->contains($this->object)) {
165	80	$this->objectManager()->refresh($this->object);
166
167	80	return $this;
168	80	}
169
170		if (!$object = $this->fetchObject()) {
171	80	throw new \RuntimeException('The object no longer exists.');
172		}
173
174		$this->object = $object;
175
176		return $this;
177	10	}
178
179	10	/**
180		* @param mixed $value
181		*/
182	10	public function forceSet(string $property, $value): self
183		{
184	10	return $this->forceSetAll([$property => $value]);
185		}
186
187	40	public function forceSetAll(array $properties): self
188		{
189	40	$object = $this->object();
190
191		foreach ($properties as $property => $value) {
192		Instantiator::forceSet($object, $property, $value);
193	40	}
194
195	40	return $this;
196		}
197
198		/**
199		* @return mixed
200		*/
201		public function forceGet(string $property)
202		{
203		return Instantiator::forceGet($this->object(), $property);
204		}
205
206		public function repository(): RepositoryProxy
207		{
208		return Factory::configuration()->repositoryFor($this->class);
209		}
210
211	635	public function enableAutoRefresh(): self
212		{
213	635	if (!$this->persisted) {
214	635	throw new \RuntimeException(\sprintf('Cannot enable auto-refresh on unpersisted object (%s).', $this->class));
215		}
216	635
217		$this->autoRefresh = true;
218	635
219		return $this;
220	635	}
221
222		public function disableAutoRefresh(): self
223	30	{
224		$this->autoRefresh = false;
225	30
226		return $this;
227	30	}
228
229		public function disableDoctrineEvents(?string $eventTypeName = null): self
230	10	{
231		/** @var EntityManagerInterface $manager */
232	10	$manager = $this->objectManager();
233
234	10	$this->doctrineEvents = $manager->getConnection()->getEventManager()->getListeners($eventTypeName);
235		foreach ($this->doctrineEvents as $type => $listenersByType) {
236		foreach ($listenersByType as $listener) {
237		if ($listener instanceof EventSubscriberInterface) {
238		$manager->getConnection()->getEventManager()->removeEventSubscriber($listener);
239
240	635	continue;
241		}
242	635
243	635	$manager->getConnection()->getEventManager()->removeEventListener($type, $listener);
244		}
245	635	}
246	20
247		return $this;
248		}
249	635
250	635	public function resetDoctrineEvents(): self
251		{
252		/** @var EntityManagerInterface $manager */
253		$manager = $this->objectManager();
254
255	60	foreach ($this->doctrineEvents as $type => $listenersByType) {
256		foreach ($listenersByType as $listener) {
257	60	if ($listener instanceof EventSubscriberInterface) {
258		$manager->getConnection()->getEventManager()->addEventSubscriber($listener);
259	60
260		continue;
261		}
262	645
263		$manager->getConnection()->getEventManager()->addEventListener($type, $listener);
264	645	}
265		}
266
267		return $this;
268		}
269
270		/**
271		* Ensures "autoRefresh" is disabled when executing $callback. Re-enables
272		* "autoRefresh" after executing callback if it was enabled.
273		*
274		* @param callable $callback (object\|Proxy $object): void
275		*
276		* @psalm-return static
277		*/
278		public function withoutAutoRefresh(callable $callback): self
279		{
280		$original = $this->autoRefresh;
281		$this->autoRefresh = false;
282
283		$this->executeCallback($callback);
284
285		$this->autoRefresh = $original; // set to original value (even if it was false)
286
287		return $this;
288		}
289
290		public function assertPersisted(string $message = '{entity} is not persisted.'): self
291		{
292		Assert::that($this->fetchObject())->isNotEmpty($message, ['entity' => $this->class]);
293
294		return $this;
295		}
296
297		public function assertNotPersisted(string $message = '{entity} is persisted but it should not be.'): self
298		{
299		Assert::that($this->fetchObject())->isEmpty($message, ['entity' => $this->class]);
300
301		return $this;
302		}
303
304		/**
305		* @internal
306		*/
307		public function executeCallback(callable $callback, ...$arguments): void
308		{
309		Callback::createFor($callback)->invoke(
310		Parameter::union(
311		Parameter::untyped($this),
312		Parameter::typed(self::class, $this),
313		Parameter::typed($this->class, Parameter::factory(function() { return $this->object(); }))
314		)->optional(),
315		...$arguments
316		);
317		}
318
319		/**
320		* @psalm-return TProxiedObject\|null
321		*/
322		private function fetchObject(): ?object
323		{
324		$id = $this->objectManager()->getClassMetadata($this->class)->getIdentifierValues($this->object);
325
326		return empty($id) ? null : $this->objectManager()->find($this->class, $id);
327		}
328
329		private function objectManager(): ObjectManager
330		{
331		return Factory::configuration()->objectManagerFor($this->class);
332		}
333		}
334

zenstruck / foundry

Pull Request — master (#216)

Proxy::executeCallback() A

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Size

Duplication

Code Coverage

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