Storage::get() - Code Metrics - Inspection of "UuidGenerator fix" - igniphp/storage - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( a290cb...57bf28 )

by Dawid

created 2018-07-05 17:37 UTC

Storage::get() A

↳ Parent: Storage

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
nc	1
nop	2
dl	0
loc	6
ccs	4
cts	4
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php declare(strict_types=1);

namespace Igni\Storage;

use Igni\Storage\Exception\UnitOfWorkException;
use SplObjectStorage;

class Storage implements UnitOfWork, RepositoryContainer
{
    private const STATE_NEW = 1;
    private const STATE_MANAGED = 2;
    private const STATE_REMOVED = 3;
    private const STATE_DETACHED = 4;
    private const ACTION_CREATE = 'create';
    private const ACTION_REMOVE = 'remove';
    private const ACTION_UPDATE = 'update';

    /**
     * Contains calculated states for entities.
     * @var array<string, int>
     */
    private $states = [];

    /**
     * Contains grouped by class name entities that should be saved.
     * @var SplObjectStorage[]
     */
    private $create = [];

    /**
     * Contains grouped by class name entities that should be removed.
     * @var SplObjectStorage[]
     */
    private $remove = [];

    /**
     * Contains grouped by class name entities that should be removed.
     * @var SplObjectStorage[]
     */
    private $update = [];

    /**
     * @var Manager
     */
    private $entityManager;

    public function __construct(Manager $manager = null)
    {
        $this->entityManager = $manager ?? new Manager();
    }

    public function getRepository(string $entity): Repository
    {
        return $this->entityManager->getRepository($entity);
    }

    public function hasRepository(string $entity): bool
    {
        return $this->entityManager->hasRepository($entity);
    }

    public function addRepository(Repository ...$repositories): void
    {
        $this->entityManager->addRepository(...$repositories);
    }

    public function getEntityManager(): Manager
    {
        return $this->entityManager;
    }

    public function get(string $entity, $id): Storable
    {
        $entity = $this->entityManager->get($entity, $id);
        $this->states[spl_object_hash($entity)] = self::STATE_MANAGED;

        return $entity;
    }

    /**
     * @param Storable[] ...$entities
     */
    public function persist(Storable ...$entities): void
    {
        foreach ($entities as $entity) {
            $this->persistOne($entity);
        }
    }

    /**
     * @param Storable[] ...$entities
     */
    public function remove(Storable ...$entities): void
    {
        foreach ($entities as $entity) {
            $this->removeOne($entity);
        }
    }

    public function commit(): void
    {
        $this->commitAction(self::ACTION_CREATE);
        $this->commitAction(self::ACTION_UPDATE);
        $this->commitAction(self::ACTION_REMOVE);
    }

    private function commitAction(string $action): void
    {
        foreach ($this->{$action} as $namespace => $entities) {
            foreach ($entities as $entity) {
                call_user_func([$this->entityManager->getRepository($namespace), $action], $entity);
            }
        }
    }

    public function rollback(): void
    {
        $this->create = [];
        $this->update = [];
        $this->remove = [];
    }

    private function persistOne(Storable $entity): void
    {
        $namespace = get_class($entity);

        switch ($this->getState($entity)) {
            case self::STATE_MANAGED:
                if (!isset($this->update[$namespace])) {
                    $this->update[$namespace] = new SplObjectStorage();
                }
                $this->update[$namespace]->attach($entity);
                break;
            case self::STATE_NEW:
                if (!isset($this->create[$namespace])) {
                    $this->create[$namespace] = new SplObjectStorage();
                }
                $this->create[$namespace]->attach($entity);
                break;
            case self::STATE_REMOVED:
            case self::STATE_DETACHED:
            default:
                throw UnitOfWorkException::forPersistingEntityInInvalidState($entity);
        }
    }

    public function getState(Storable $entity): int
    {
        $oid = spl_object_hash($entity);
        if (isset($this->states[$oid])) {
            return $this->states[$oid];
        }

        $namespace = get_class($entity);

        if (isset($this->remove[$namespace]) && $this->remove[$namespace]->contains($entity)) {
            return $this->states[$oid] = self::STATE_REMOVED;
        }

        if ($this->entityManager->contains($entity)) {
            return $this->states[$oid] = self::STATE_MANAGED;
        }

        try {
            $this->entityManager->getRepository($namespace)->get($entity->getId());
            return $this->states[$oid] = self::STATE_DETACHED;
        } catch (\Exception $exception) {
            return $this->states[$oid] = self::STATE_NEW;
        }
    }

    private function removeOne(Storable $entity): void
    {
        $namespace = get_class($entity);
        $oid = spl_object_hash($entity);

        if (isset($this->states[$oid]) && $this->states[$oid] === self::STATE_MANAGED) {
            $this->states[$oid] = self::STATE_REMOVED;
        }

        if (!isset($this->remove[$namespace])) {
            $this->remove[$namespace] = new SplObjectStorage();
        }

        if (isset($this->create[$namespace])) {
            $this->create[$namespace]->detach($entity);
        }

        if (isset($this->update[$namespace])) {
            $this->update[$namespace]->detach($entity);
        }

        $this->remove[$namespace]->attach($entity);
    }

    public function attach(Storable ...$entities): void
    {
        foreach ($entities as $entity) {
            $this->entityManager->attach($entity);
        }
    }

    public function contains(Storable $entity): bool
    {
        $contains = $this->entityManager->contains($entity);
        $oid = spl_object_hash($entity);
        $this->states[$oid] = self::STATE_MANAGED;

        return $contains;
    }

    public function detach(Storable ...$entities): void
    {
        foreach ($entities as $entity) {
            $this->detachOne($entity);
        }
    }

    private function detachOne(Storable $entity): void
    {
        $this->states[spl_object_hash($entity)] = self::STATE_DETACHED;
        $namespace = get_class($entity);

        if (isset($this->update[$namespace])) {
            $this->update[$namespace]->detach($entity);
        }

        if (isset($this->create[$namespace])) {
            $this->create[$namespace]->detach($entity);
        }

        if (isset($this->remove[$namespace])) {
            $this->remove[$namespace]->detach($entity);
        }

        $this->entityManager->detach($entity);
    }
}


1		<?php declare(strict_types=1);
2
3		namespace Igni\Storage;
4
5		use Igni\Storage\Exception\UnitOfWorkException;
6		use SplObjectStorage;
7
8		class Storage implements UnitOfWork, RepositoryContainer
9		{
10		private const STATE_NEW = 1;
11		private const STATE_MANAGED = 2;
12		private const STATE_REMOVED = 3;
13		private const STATE_DETACHED = 4;
14		private const ACTION_CREATE = 'create';
15		private const ACTION_REMOVE = 'remove';
16		private const ACTION_UPDATE = 'update';
17
18		/**
19		* Contains calculated states for entities.
20		* @var array<string, int>
21		*/
22		private $states = [];
23
24		/**
25		* Contains grouped by class name entities that should be saved.
26		* @var SplObjectStorage[]
27		*/
28		private $create = [];
29
30		/**
31		* Contains grouped by class name entities that should be removed.
32		* @var SplObjectStorage[]
33		*/
34		private $remove = [];
35
36		/**
37		* Contains grouped by class name entities that should be removed.
38		* @var SplObjectStorage[]
39		*/
40		private $update = [];
41
42		/**
43		* @var Manager
44		*/
45		private $entityManager;
46
47	29	public function __construct(Manager $manager = null)
48		{
49	29	$this->entityManager = $manager ?? new Manager();
50	29	}
51
52		public function getRepository(string $entity): Repository
53		{
54		return $this->entityManager->getRepository($entity);
55		}
56
57		public function hasRepository(string $entity): bool
58		{
59		return $this->entityManager->hasRepository($entity);
60		}
61
62		public function addRepository(Repository ...$repositories): void
63		{
64		$this->entityManager->addRepository(...$repositories);
65		}
66
67		public function getEntityManager(): Manager
68		{
69		return $this->entityManager;
70		}
71
72	4	public function get(string $entity, $id): Storable
73		{
74	4	$entity = $this->entityManager->get($entity, $id);
75	4	$this->states[spl_object_hash($entity)] = self::STATE_MANAGED;
76
77	4	return $entity;
78		}
79
80		/**
81		* @param Storable[] ...$entities
82		*/
83	4	public function persist(Storable ...$entities): void
84		{
85	4	foreach ($entities as $entity) {
86	4	$this->persistOne($entity);
87		}
88	4	}
89
90		/**
91		* @param Storable[] ...$entities
92		*/
93	2	public function remove(Storable ...$entities): void
94		{
95	2	foreach ($entities as $entity) {
96	2	$this->removeOne($entity);
97		}
98	2	}
99
100	3	public function commit(): void
101		{
102	3	$this->commitAction(self::ACTION_CREATE);
103	3	$this->commitAction(self::ACTION_UPDATE);
104	3	$this->commitAction(self::ACTION_REMOVE);
105	3	}
106
107	3	private function commitAction(string $action): void
108		{
109	3	foreach ($this->{$action} as $namespace => $entities) {
110	3	foreach ($entities as $entity) {
111	3	call_user_func([$this->entityManager->getRepository($namespace), $action], $entity);
112		}
113		}
114	3	}
115
116	1	public function rollback(): void
117		{
118	1	$this->create = [];
119	1	$this->update = [];
120	1	$this->remove = [];
121	1	}
122
123	4	private function persistOne(Storable $entity): void
124		{
125	4	$namespace = get_class($entity);
126
127	4	switch ($this->getState($entity)) {
128	4	case self::STATE_MANAGED:
129	2	if (!isset($this->update[$namespace])) {
130	2	$this->update[$namespace] = new SplObjectStorage();
131		}
132	2	$this->update[$namespace]->attach($entity);
133	2	break;
134	2	case self::STATE_NEW:
135	2	if (!isset($this->create[$namespace])) {
136	2	$this->create[$namespace] = new SplObjectStorage();
137		}
138	2	$this->create[$namespace]->attach($entity);
139	2	break;
140		case self::STATE_REMOVED:
141		case self::STATE_DETACHED:
142		default:
143		throw UnitOfWorkException::forPersistingEntityInInvalidState($entity);
144		}
145	4	}
146
147	4	public function getState(Storable $entity): int
148		{
149	4	$oid = spl_object_hash($entity);
150	4	if (isset($this->states[$oid])) {
151	3	return $this->states[$oid];
152		}
153
154	2	$namespace = get_class($entity);
155
156	2	if (isset($this->remove[$namespace]) && $this->remove[$namespace]->contains($entity)) {
157		return $this->states[$oid] = self::STATE_REMOVED;
158		}
159
160	2	if ($this->entityManager->contains($entity)) {
161		return $this->states[$oid] = self::STATE_MANAGED;
162		}
163
164		try {
165	2	$this->entityManager->getRepository($namespace)->get($entity->getId());
166		return $this->states[$oid] = self::STATE_DETACHED;
167	2	} catch (\Exception $exception) {
168	2	return $this->states[$oid] = self::STATE_NEW;
169		}
170		}
171
172	2	private function removeOne(Storable $entity): void
173		{
174	2	$namespace = get_class($entity);
175	2	$oid = spl_object_hash($entity);
176
177	2	if (isset($this->states[$oid]) && $this->states[$oid] === self::STATE_MANAGED) {
178	2	$this->states[$oid] = self::STATE_REMOVED;
179		}
180
181	2	if (!isset($this->remove[$namespace])) {
182	2	$this->remove[$namespace] = new SplObjectStorage();
183		}
184
185	2	if (isset($this->create[$namespace])) {
186		$this->create[$namespace]->detach($entity);
187		}
188
189	2	if (isset($this->update[$namespace])) {
190	1	$this->update[$namespace]->detach($entity);
191		}
192
193	2	$this->remove[$namespace]->attach($entity);
194	2	}
195
196		public function attach(Storable ...$entities): void
197		{
198		foreach ($entities as $entity) {
199		$this->entityManager->attach($entity);
200		}
201		}
202
203		public function contains(Storable $entity): bool
204		{
205		$contains = $this->entityManager->contains($entity);
206		$oid = spl_object_hash($entity);
207		$this->states[$oid] = self::STATE_MANAGED;
208
209		return $contains;
210		}
211
212		public function detach(Storable ...$entities): void
213		{
214		foreach ($entities as $entity) {
215		$this->detachOne($entity);
216		}
217		}
218
219		private function detachOne(Storable $entity): void
220		{
221		$this->states[spl_object_hash($entity)] = self::STATE_DETACHED;
222		$namespace = get_class($entity);
223
224		if (isset($this->update[$namespace])) {
225		$this->update[$namespace]->detach($entity);
226		}
227
228		if (isset($this->create[$namespace])) {
229		$this->create[$namespace]->detach($entity);
230		}
231
232		if (isset($this->remove[$namespace])) {
233		$this->remove[$namespace]->detach($entity);
234		}
235
236		$this->entityManager->detach($entity);
237		}
238		}
239

igniphp / storage

Push — master ( a290cb...57bf28 )

Storage::get() A

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