EventStreamRepository::restoreStream() - Code Metrics - Inspection of "add milliseconds support; update dependencies; cha..." - php-service-bus/event-sourcing - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — v4.2 ( 50993c )

by Masiukevich

created 2020-08-15 18:41 UTC

EventStreamRepository::restoreStream() A

↳ Parent: EventStreamRepository

Complexity

Conditions	3
Paths	3

Size

Total Lines	22
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3.0175

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
eloc	7
c	1
b	0
f	0
nc	3
nop	2
dl	0
loc	22
ccs	7
cts	8
cp	0.875
crap	3.0175
rs	10

<?php

/**
 * Event Sourcing implementation.
 *
 * @author  Maksim Masiukevich <[email protected]>
 * @license MIT
 * @license https://opensource.org/licenses/MIT
 */

declare(strict_types = 1);

namespace ServiceBus\EventSourcing\EventStream;

use function Amp\call;
use function ServiceBus\Common\createWithoutConstructor;
use function ServiceBus\Common\invokeReflectionMethod;
use function ServiceBus\EventSourcing\EventStream\Store\streamToDomainRepresentation;
use function ServiceBus\EventSourcing\EventStream\Store\streamToStoredRepresentation;
use Amp\Promise;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use ServiceBus\EventSourcing\Aggregate;
use ServiceBus\EventSourcing\AggregateId;
use ServiceBus\EventSourcing\EventStream\Serializer\EventSerializer;
use ServiceBus\EventSourcing\EventStream\Store\EventStreamStore;
use ServiceBus\EventSourcing\EventStream\Store\StoredAggregateEventStream;
use ServiceBus\EventSourcing\Snapshots\Snapshot;
use ServiceBus\EventSourcing\Snapshots\Snapshotter;

/**
 * Repository for working with event streams.
 */
final class EventStreamRepository
{
    public const REVERT_MODE_SOFT_DELETE = 1;

    public const REVERT_MODE_DELETE = 2;

    /** @var EventStreamStore */
    private $store;

    /** @var EventSerializer */
    private $serializer;

    /** @var Snapshotter */
    private $snapshotter;

    /** @var LoggerInterface */
    private $logger;

    public function __construct(
        EventStreamStore $store,
        Snapshotter $snapshotter,
        EventSerializer $serializer,
        ?LoggerInterface $logger = null
    ) {
        $this->store       = $store;
        $this->snapshotter = $snapshotter;
        $this->serializer  = $serializer;
        $this->logger      = $logger ?? new NullLogger();
    }

    /**
     * Load aggregate.
     *
     * Returns \ServiceBus\EventSourcing\Aggregate|null
     *
     * @throws \ServiceBus\Common\Exceptions\DateTimeException
     * @throws \ServiceBus\Common\Exceptions\ReflectionApiException
     * @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
     * @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
     */
    public function load(AggregateId $id): Promise
    {
        return call(
            function() use ($id): \Generator
            {
                $idValue = $id->toString();
                $idClass = \get_class($id);

                $this->logger->debug('Load aggregate with id "{aggregateIdClass}:{aggregateId}"', [
                    'aggregateIdClass' => $idClass,
                    'aggregateId'      => $idValue,
                ]);

                try
                {
                    $aggregate         = null;
                    $fromStreamVersion = Aggregate::START_PLAYHEAD_INDEX;

                    /** @var \ServiceBus\EventSourcing\Snapshots\Snapshot|null $loadedSnapshot */
                    $loadedSnapshot = yield $this->snapshotter->load($id);

                    if (null !== $loadedSnapshot)
                    {
                        $aggregate         = $loadedSnapshot->aggregate;
                        $fromStreamVersion = $aggregate->version() + 1;

                        $this->logger->debug(
                            'Found a snapshot of the state of the aggregate with the identifier "{aggregateIdClass}:{aggregateId}" on version "{aggregateVersion}"',
                            [
                                'aggregateIdClass' => $idClass,
                                'aggregateId'      => $idValue,
                                'aggregateVersion' => $aggregate->version(),
                            ]
                        );
                    }

                    /** @var \ServiceBus\EventSourcing\EventStream\Store\StoredAggregateEventStream|null $storedEventStream */
                    $storedEventStream = yield $this->store->load($id, $fromStreamVersion);

                    $aggregate = $this->restoreStream($aggregate, $storedEventStream);

                    return $aggregate;
                }
                catch (\Throwable $throwable)
                {
                    $this->logger->debug('Load aggregate with id "{aggregateIdClass}:{aggregateId}" failed', [
                        'aggregateIdClass' => $idClass,
                        'aggregateId'      => $idValue,
                        'throwableMessage' => $throwable->getMessage(),
                        'throwablePoint'   => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
                    ]);

                    throw $throwable;
                }
                finally
                {
                    /** @psalm-suppress PossiblyUndefinedVariable */
                    unset($storedEventStream, $loadedSnapshot, $fromStreamVersion);
                }
            }
        );
    }

    /**
     * Save a new event stream.
     *
     * Returns array<int, object>
     *
     * @throws \ServiceBus\Common\Exceptions\DateTimeException
     * @throws \ServiceBus\Common\Exceptions\ReflectionApiException
     * @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
     * @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed
     */
    public function save(Aggregate $aggregate): Promise
    {
        return call(
            function() use ($aggregate): \Generator
            {
                $id = $aggregate->id();

                $idValue = $id->toString();
                $idClass = \get_class($id);

                $this->logger->debug('Save new aggregate with identifier "{aggregateIdClass}:{aggregateId}"', [
                    'aggregateIdClass' => $idClass,
                    'aggregateId'      => $idValue,
                ]);

                try
                {
                    /**
                     * @psalm-var array<int, object> $raisedEvents
                     *
                     * @var object[] $raisedEvents
                     */
                    $raisedEvents = yield from $this->doStore($aggregate, true);

                    return $raisedEvents;
                }
                catch (\Throwable $throwable)
                {
                    $this->logger->debug('Save new aggregate with identifier "{aggregateIdClass}:{aggregateId}" failed', [
                        'aggregateIdClass' => $idClass,
                        'aggregateId'      => $idValue,
                        'throwableMessage' => $throwable->getMessage(),
                        'throwablePoint'   => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
                    ]);

                    throw $throwable;
                }
            }
        );
    }

    /**
     * Update existent event stream (append events).
     *
     * Returns array<int, object>
     *
     * @throws \ServiceBus\Common\Exceptions\DateTimeException
     * @throws \ServiceBus\Common\Exceptions\ReflectionApiException
     * @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
     * @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
     */
    public function update(Aggregate $aggregate): Promise
    {
        return call(
            function() use ($aggregate): \Generator
            {
                $id = $aggregate->id();

                $idValue = $id->toString();
                $idClass = \get_class($id);

                $this->logger->debug('Adding events to an existing stream with identifier "{aggregateIdClass}:{aggregateId}"', [
                    'aggregateIdClass' => $idClass,
                    'aggregateId'      => $idValue,
                ]);

                try
                {
                    /**
                     * @psalm-var array<int, object> $raisedEvents
                     *
                     * @var object[] $raisedEvents
                     */
                    $raisedEvents = yield from $this->doStore($aggregate, false);

                    return $raisedEvents;
                }
                catch (\Throwable $throwable)
                {
                    $this->logger->debug('Adding events to an existing stream with identifier "{aggregateIdClass}:{aggregateId}', [
                        'aggregateIdClass' => $idClass,
                        'aggregateId'      => $idValue,
                        'throwableMessage' => $throwable->getMessage(),
                        'throwablePoint'   => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
                    ]);

                    throw $throwable;
                }
            }
        );
    }

    /**
     * Revert aggregate to specified version.
     *
     * Returns \ServiceBus\EventSourcing\Aggregate
     *
     * Mode options:
     *   - 1 (self::REVERT_MODE_SOFT_DELETE): Mark tail events as deleted (soft deletion). There may be version
     *   conflicts in some situations
     *   - 2 (self::REVERT_MODE_DELETE): Removes tail events from the database (the best option)
     *
     * @throws \ServiceBus\Common\Exceptions\DateTimeException
     * @throws \ServiceBus\Common\Exceptions\ReflectionApiException
     * @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
     * @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
     */
    public function revert(Aggregate $aggregate, int $toVersion, int $mode = self::REVERT_MODE_SOFT_DELETE): Promise
    {
        return call(
            function() use ($aggregate, $toVersion, $mode): \Generator
            {
                $id = $aggregate->id();

                $idValue = $id->toString();
                $idClass = \get_class($id);

                $this->logger->debug('Rollback of aggregate with identifier "{aggregateIdClass}:{aggregateId}" to version "{aggregateVersion}"', [
                    'aggregateIdClass' => $idClass,
                    'aggregateId'      => $idValue,
                    'aggregateVersion' => $toVersion,
                ]);

                try
                {
                    yield $this->store->revert($aggregate->id(), $toVersion, self::REVERT_MODE_DELETE === $mode);

                    /** @var StoredAggregateEventStream|null $storedEventStream */
                    $storedEventStream = yield $this->store->load($aggregate->id());

                    /** @var Aggregate $aggregate */
                    $aggregate = $this->restoreStream(null, $storedEventStream);

                    yield $this->snapshotter->store(new Snapshot($aggregate, $aggregate->version()));

                    return $aggregate;
                }
                catch (\Throwable $throwable)
                {
                    $this->logger->debug('Error when rolling back the version of the aggregate with the identifier "{aggregateIdClass}:{aggregateId}', [
                        'aggregateIdClass' => $idClass,
                        'aggregateId'      => $idValue,
                        'throwableMessage' => $throwable->getMessage(),
                        'throwablePoint'   => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
                    ]);

                    throw $throwable;
                }
                finally
                {
                    /** @psalm-suppress PossiblyUndefinedVariable */
                    unset($storedEventStream);
                }
            }
        );
    }

    /**
     * @throws \ServiceBus\Common\Exceptions\DateTimeException
     * @throws \ServiceBus\Common\Exceptions\ReflectionApiException
     * @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
     * @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
     * @throws \ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed
     */
    private function doStore(Aggregate $aggregate, bool $isNew): \Generator
    {
        /** @var \ServiceBus\EventSourcing\EventStream\AggregateEventStream $eventStream */
        $eventStream    = invokeReflectionMethod($aggregate, 'makeStream');
        $receivedEvents = $eventStream->originEvents;

        $storedEventStream = streamToStoredRepresentation($this->serializer, $eventStream);

        /** @noinspection PhpUnnecessaryLocalVariableInspection */
        $promise = true === $isNew
            ? $this->store->save($storedEventStream)
            : $this->store->append($storedEventStream);

        yield $promise;

        /** @var \ServiceBus\EventSourcing\Snapshots\Snapshot|null $loadedSnapshot */
        $loadedSnapshot = yield $this->snapshotter->load($aggregate->id());

        if (true === $this->snapshotter->snapshotMustBeCreated($aggregate, $loadedSnapshot))
        {
            yield $this->snapshotter->store(new Snapshot($aggregate, $aggregate->version()));
        }

        unset($eventStream, $loadedSnapshot, $storedEventStream);

        return $receivedEvents;
    }

    /**
     * Restore the aggregate from the event stream/Add missing events to the aggregate from the snapshot.
     *
     * @throws \ServiceBus\Common\Exceptions\DateTimeException
     * @throws \ServiceBus\EventSourcing\EventStream\Serializer\Exceptions\SerializeEventFailed
     * @throws \ServiceBus\Common\Exceptions\ReflectionApiException
     */
    private function restoreStream(?Aggregate $aggregate, ?StoredAggregateEventStream $storedEventStream): ?Aggregate
    {
        if (null === $storedEventStream)
        {
            return null;
        }

        $eventStream = streamToDomainRepresentation($this->serializer, $storedEventStream);

        if (null === $aggregate)
        {
            /**
             * @noinspection CallableParameterUseCaseInTypeContextInspection
             *
             * @var Aggregate $aggregate
             */
            $aggregate = createWithoutConstructor($storedEventStream->aggregateClass);
        }

        invokeReflectionMethod($aggregate, 'appendStream', $eventStream);

        return $aggregate;
    }
}


1		<?php
2
3		/**
4		* Event Sourcing implementation.
5		*
6		* @author Maksim Masiukevich <[email protected]>
7		* @license MIT
8		* @license https://opensource.org/licenses/MIT
9		*/
10
11		declare(strict_types = 1);
12
13		namespace ServiceBus\EventSourcing\EventStream;
14
15		use function Amp\call;
16		use function ServiceBus\Common\createWithoutConstructor;
17		use function ServiceBus\Common\invokeReflectionMethod;
18		use function ServiceBus\EventSourcing\EventStream\Store\streamToDomainRepresentation;
19		use function ServiceBus\EventSourcing\EventStream\Store\streamToStoredRepresentation;
20		use Amp\Promise;
21		use Psr\Log\LoggerInterface;
22		use Psr\Log\NullLogger;
23		use ServiceBus\EventSourcing\Aggregate;
24		use ServiceBus\EventSourcing\AggregateId;
25		use ServiceBus\EventSourcing\EventStream\Serializer\EventSerializer;
26		use ServiceBus\EventSourcing\EventStream\Store\EventStreamStore;
27		use ServiceBus\EventSourcing\EventStream\Store\StoredAggregateEventStream;
28		use ServiceBus\EventSourcing\Snapshots\Snapshot;
29		use ServiceBus\EventSourcing\Snapshots\Snapshotter;
30
31		/**
32		* Repository for working with event streams.
33		*/
34		final class EventStreamRepository
35		{
36		public const REVERT_MODE_SOFT_DELETE = 1;
37
38		public const REVERT_MODE_DELETE = 2;
39
40		/** @var EventStreamStore */
41		private $store;
42
43		/** @var EventSerializer */
44		private $serializer;
45
46		/** @var Snapshotter */
47		private $snapshotter;
48
49		/** @var LoggerInterface */
50		private $logger;
51
52	8	public function __construct(
53		EventStreamStore $store,
54		Snapshotter $snapshotter,
55		EventSerializer $serializer,
56		?LoggerInterface $logger = null
57		) {
58	8	$this->store = $store;
59	8	$this->snapshotter = $snapshotter;
60	8	$this->serializer = $serializer;
61	8	$this->logger = $logger ?? new NullLogger();
62	8	}
63
64		/**
65		* Load aggregate.
66		*
67		* Returns \ServiceBus\EventSourcing\Aggregate\|null
68		*
69		* @throws \ServiceBus\Common\Exceptions\DateTimeException
70		* @throws \ServiceBus\Common\Exceptions\ReflectionApiException
71		* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
72		* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
73		* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
74		*/
75	2	public function load(AggregateId $id): Promise
76		{
77	2	return call(
78		function() use ($id): \Generator
79		{
80	2	$idValue = $id->toString();
81	2	$idClass = \get_class($id);
82
83	2	$this->logger->debug('Load aggregate with id "{aggregateIdClass}:{aggregateId}"', [
84	2	'aggregateIdClass' => $idClass,
85	2	'aggregateId' => $idValue,
86		]);
87
88		try
89		{
90	2	$aggregate = null;
91	2	$fromStreamVersion = Aggregate::START_PLAYHEAD_INDEX;
92
93		/** @var \ServiceBus\EventSourcing\Snapshots\Snapshot\|null $loadedSnapshot */
94	2	$loadedSnapshot = yield $this->snapshotter->load($id);
95
96	2	if (null !== $loadedSnapshot)
97		{
98	1	$aggregate = $loadedSnapshot->aggregate;
99	1	$fromStreamVersion = $aggregate->version() + 1;
100
101	1	$this->logger->debug(
102	1	'Found a snapshot of the state of the aggregate with the identifier "{aggregateIdClass}:{aggregateId}" on version "{aggregateVersion}"',
103		[
104	1	'aggregateIdClass' => $idClass,
105	1	'aggregateId' => $idValue,
106	1	'aggregateVersion' => $aggregate->version(),
107		]
108		);
109		}
110
111		/** @var \ServiceBus\EventSourcing\EventStream\Store\StoredAggregateEventStream\|null $storedEventStream */
112	2	$storedEventStream = yield $this->store->load($id, $fromStreamVersion);
113
114	2	$aggregate = $this->restoreStream($aggregate, $storedEventStream);
115
116	2	return $aggregate;
117		}
118		catch (\Throwable $throwable)
119		{
120		$this->logger->debug('Load aggregate with id "{aggregateIdClass}:{aggregateId}" failed', [
121		'aggregateIdClass' => $idClass,
122		'aggregateId' => $idValue,
123		'throwableMessage' => $throwable->getMessage(),
124		'throwablePoint' => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
125		]);
126
127		throw $throwable;
128		}
129		finally
130		{
131		/** @psalm-suppress PossiblyUndefinedVariable */
132	2	unset($storedEventStream, $loadedSnapshot, $fromStreamVersion);
133		}
134	2	}
135		);
136		}
137
138		/**
139		* Save a new event stream.
140		*
141		* Returns array<int, object>
142		*
143		* @throws \ServiceBus\Common\Exceptions\DateTimeException
144		* @throws \ServiceBus\Common\Exceptions\ReflectionApiException
145		* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
146		* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
147		* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
148		* @throws \ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed
149		*/
150	7	public function save(Aggregate $aggregate): Promise
151		{
152	7	return call(
153		function() use ($aggregate): \Generator
154		{
155	7	$id = $aggregate->id();
156
157	7	$idValue = $id->toString();
158	7	$idClass = \get_class($id);
159
160	7	$this->logger->debug('Save new aggregate with identifier "{aggregateIdClass}:{aggregateId}"', [
161	7	'aggregateIdClass' => $idClass,
162	7	'aggregateId' => $idValue,
163		]);
164
165		try
166		{
167		/**
168		* @psalm-var array<int, object> $raisedEvents
169		*
170		* @var object[] $raisedEvents
171		*/
172	7	$raisedEvents = yield from $this->doStore($aggregate, true);
173
174	7	return $raisedEvents;
175		}
176	1	catch (\Throwable $throwable)
177		{
178	1	$this->logger->debug('Save new aggregate with identifier "{aggregateIdClass}:{aggregateId}" failed', [
179	1	'aggregateIdClass' => $idClass,
180	1	'aggregateId' => $idValue,
181	1	'throwableMessage' => $throwable->getMessage(),
182	1	'throwablePoint' => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
183		]);
184
185	1	throw $throwable;
186		}
187	7	}
188		);
189		}
190
191		/**
192		* Update existent event stream (append events).
193		*
194		* Returns array<int, object>
195		*
196		* @throws \ServiceBus\Common\Exceptions\DateTimeException
197		* @throws \ServiceBus\Common\Exceptions\ReflectionApiException
198		* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
199		* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
200		* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
201		*/
202	5	public function update(Aggregate $aggregate): Promise
203		{
204	5	return call(
205		function() use ($aggregate): \Generator
206		{
207	5	$id = $aggregate->id();
208
209	5	$idValue = $id->toString();
210	5	$idClass = \get_class($id);
211
212	5	$this->logger->debug('Adding events to an existing stream with identifier "{aggregateIdClass}:{aggregateId}"', [
213	5	'aggregateIdClass' => $idClass,
214	5	'aggregateId' => $idValue,
215		]);
216
217		try
218		{
219		/**
220		* @psalm-var array<int, object> $raisedEvents
221		*
222		* @var object[] $raisedEvents
223		*/
224	5	$raisedEvents = yield from $this->doStore($aggregate, false);
225
226	5	return $raisedEvents;
227		}
228		catch (\Throwable $throwable)
229		{
230		$this->logger->debug('Adding events to an existing stream with identifier "{aggregateIdClass}:{aggregateId}', [
231		'aggregateIdClass' => $idClass,
232		'aggregateId' => $idValue,
233		'throwableMessage' => $throwable->getMessage(),
234		'throwablePoint' => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
235		]);
236
237		throw $throwable;
238		}
239	5	}
240		);
241		}
242
243		/**
244		* Revert aggregate to specified version.
245		*
246		* Returns \ServiceBus\EventSourcing\Aggregate
247		*
248		* Mode options:
249		* - 1 (self::REVERT_MODE_SOFT_DELETE): Mark tail events as deleted (soft deletion). There may be version
250		* conflicts in some situations
251		* - 2 (self::REVERT_MODE_DELETE): Removes tail events from the database (the best option)
252		*
253		* @throws \ServiceBus\Common\Exceptions\DateTimeException
254		* @throws \ServiceBus\Common\Exceptions\ReflectionApiException
255		* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
256		* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
257		* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
258		*/
259	4	public function revert(Aggregate $aggregate, int $toVersion, int $mode = self::REVERT_MODE_SOFT_DELETE): Promise
260		{
261	4	return call(
262		function() use ($aggregate, $toVersion, $mode): \Generator
263		{
264	4	$id = $aggregate->id();
265
266	4	$idValue = $id->toString();
267	4	$idClass = \get_class($id);
268
269	4	$this->logger->debug('Rollback of aggregate with identifier "{aggregateIdClass}:{aggregateId}" to version "{aggregateVersion}"', [
270	4	'aggregateIdClass' => $idClass,
271	4	'aggregateId' => $idValue,
272	4	'aggregateVersion' => $toVersion,
273		]);
274
275		try
276		{
277	4	yield $this->store->revert($aggregate->id(), $toVersion, self::REVERT_MODE_DELETE === $mode);
278
279		/** @var StoredAggregateEventStream\|null $storedEventStream */
280	3	$storedEventStream = yield $this->store->load($aggregate->id());
281
282		/** @var Aggregate $aggregate */
283	3	$aggregate = $this->restoreStream(null, $storedEventStream);
284
285	3	yield $this->snapshotter->store(new Snapshot($aggregate, $aggregate->version()));
286
287	3	return $aggregate;
288		}
289	2	catch (\Throwable $throwable)
290		{
291	2	$this->logger->debug('Error when rolling back the version of the aggregate with the identifier "{aggregateIdClass}:{aggregateId}', [
292	2	'aggregateIdClass' => $idClass,
293	2	'aggregateId' => $idValue,
294	2	'throwableMessage' => $throwable->getMessage(),
295	2	'throwablePoint' => \sprintf('%s:%d', $throwable->getFile(), $throwable->getLine()),
296		]);
297
298	2	throw $throwable;
299		}
300		finally
301		{
302		/** @psalm-suppress PossiblyUndefinedVariable */
303	4	unset($storedEventStream);
304		}
305	4	}
306		);
307		}
308
309		/**
310		* @throws \ServiceBus\Common\Exceptions\DateTimeException
311		* @throws \ServiceBus\Common\Exceptions\ReflectionApiException
312		* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed
313		* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions
314		* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed
315		* @throws \ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed
316		*/
317	7	private function doStore(Aggregate $aggregate, bool $isNew): \Generator
318		{
319		/** @var \ServiceBus\EventSourcing\EventStream\AggregateEventStream $eventStream */
320	7	$eventStream = invokeReflectionMethod($aggregate, 'makeStream');
321	7	$receivedEvents = $eventStream->originEvents;
322
323	7	$storedEventStream = streamToStoredRepresentation($this->serializer, $eventStream);
324
325		/** @noinspection PhpUnnecessaryLocalVariableInspection */
326	7	$promise = true === $isNew
327	7	? $this->store->save($storedEventStream)
328	7	: $this->store->append($storedEventStream);
329
330	7	yield $promise;
331
332		/** @var \ServiceBus\EventSourcing\Snapshots\Snapshot\|null $loadedSnapshot */
333	7	$loadedSnapshot = yield $this->snapshotter->load($aggregate->id());
334
335	7	if (true === $this->snapshotter->snapshotMustBeCreated($aggregate, $loadedSnapshot))
336		{
337	7	yield $this->snapshotter->store(new Snapshot($aggregate, $aggregate->version()));
338		}
339
340	7	unset($eventStream, $loadedSnapshot, $storedEventStream);
341
342	7	return $receivedEvents;
343		}
344
345		/**
346		* Restore the aggregate from the event stream/Add missing events to the aggregate from the snapshot.
347		*
348		* @throws \ServiceBus\Common\Exceptions\DateTimeException
349		* @throws \ServiceBus\EventSourcing\EventStream\Serializer\Exceptions\SerializeEventFailed
350		* @throws \ServiceBus\Common\Exceptions\ReflectionApiException
351		*/
352	5	private function restoreStream(?Aggregate $aggregate, ?StoredAggregateEventStream $storedEventStream): ?Aggregate
353		{
354	5	if (null === $storedEventStream)
355		{
356		return null;
357		}
358
359	5	$eventStream = streamToDomainRepresentation($this->serializer, $storedEventStream);
360
361	5	if (null === $aggregate)
362		{
363		/**
364		* @noinspection CallableParameterUseCaseInTypeContextInspection
365		*
366		* @var Aggregate $aggregate
367		*/
368	4	$aggregate = createWithoutConstructor($storedEventStream->aggregateClass);
369		}
370
371	5	invokeReflectionMethod($aggregate, 'appendStream', $eventStream);
372
373	5	return $aggregate;
374		}
375		}
376

php-service-bus / event-sourcing

Push — v4.2 ( 50993c )

EventStreamRepository::restoreStream() A

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