EntityManager::load() - Code Metrics - kaliop/ezobjectwrapper - Measure and Improve Code Quality continuously with Scrutinizer

EntityManager::load() A
last analyzed 2020-03-30 20:05 UTC

↳ Parent: EntityManager

Complexity

Conditions	4
Paths	4

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	4.128

Importance

Changes

Metric	Value
dl	0
loc	19
ccs	8
cts	10
cp	0.8
rs	9.6333
c	0
b	0
f	0
cc	4
nc	4
nop	1
crap	4.128

<?php

namespace Kaliop\eZObjectWrapperBundle\Core;

use eZ\Publish\API\Repository\Repository as eZRepository;
use eZ\Publish\API\Repository\Values\Content\Location;
use eZ\Publish\API\Repository\Values\Content\Content;
use eZ\Publish\API\Repository\Values\Content\ContentInfo;
use eZ\Publish\API\Repository\Values\Content\Search\SearchResult;

/**
 * A simple entity manager, inspired by the Doctrine one
 *
 * @todo add methods to automatically create an Entity of the good type given a Content, Location, Id or RemoteId ?
 */
class EntityManager
{
    /**
     * @var \eZ\Publish\API\Repository\Repository $repository
     */
    protected $repository;
    protected $classMap;
    protected $serviceMap;
    protected $defaultClass;
    protected $contentTypeIdentifierCache = array();

    /**
     * @param eZRepository $repository
     * @param array $classMap array of classes exposing a RepositoryInterface
     * @param RepositoryManagerInterface[] $serviceMap array of services exposing a RepositoryInterface
     */
    public function __construct(eZRepository $repository, array $classMap=array(), array $serviceMap=array())
    {
        $this->repository = $repository;
        foreach ($classMap as $contentTypeIdentifier => $className) {
            $this->registerClass($className, $contentTypeIdentifier);
        }
        foreach ($serviceMap as $contentTypeIdentifier => $service) {
            $this->registerService($service, $contentTypeIdentifier);
        }
    }

    /**
     * Registers an existing service to be used as repository for a given content type
     * @var RepositoryInterface $service
     * @var string $contentTypeIdentifier when null, we will ask the Repository to see if it already has its own $contentTypeIdentifier set up
     */
    public function registerService(RepositoryInterface $service, $contentTypeIdentifier)
    {
        if ($contentTypeIdentifier == null && is_callable(array($service, 'getContentTypeIdentifier'))) {
            $contentTypeIdentifier = $service->getContentTypeIdentifier();
        }
        if ($contentTypeIdentifier == null) {
            throw new \InvalidArgumentException("Service can not be registered as repository for NULL Content Type Identifier");
        }
        $this->serviceMap[$contentTypeIdentifier] = $service;
    }

    /**
     * Registers a php class to be used as wrapper for a given content type
     * @var string $className
     * @var string $contentTypeIdentifier
     * @throws \InvalidArgumentException
     *
     * @todo improve validation of contentTypeIdentifiers (is '0' a valid content type identifier?...)
     */
    public function registerClass($className, $contentTypeIdentifier)
    {
        if (!is_subclass_of($className, '\Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface')) {

            throw new \InvalidArgumentException("Class '$className' can not be registered as repository because it lacks the necessary interface");
        }
        if ($contentTypeIdentifier == null) {
            throw new \InvalidArgumentException("Class '$className' can not be registered as repository for NULL Content Type Identifier");
        }
        $this->classMap[$contentTypeIdentifier] = $className;
    }

    /**
     * Registers a php class to be used as default repository
     * @var string $className
     * @throws \InvalidArgumentException
     */
    public function registerDefaultClass($className)
    {
        if (!is_subclass_of($className, '\Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface')) {

            throw new \InvalidArgumentException("Class '$className' can not be registered as default repository because it lacks the necessary interface");
        }
        $this->defaultClass = $className;
    }

    /**
     * @param string $contentTypeIdentifier as used in the mapping
     * @return \Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface
     * @throws \UnexpectedValueException
     */
    public function getRepository($contentTypeIdentifier)
    {
        if (isset($this->serviceMap[$contentTypeIdentifier])) {
            $repo = $this->serviceMap[$contentTypeIdentifier];
            return $repo->setContentTypeIdentifier($contentTypeIdentifier);
        }

        /// @todo for a small perf gain, we might store the created repo classes in an array
        if (isset($this->classMap[$contentTypeIdentifier])) {
            $repoClass = $this->classMap[$contentTypeIdentifier];
            $repo = new $repoClass($this->repository, $this);
            return $repo->setContentTypeIdentifier($contentTypeIdentifier);
        }

        if ($this->defaultClass != '') {
            $repoClass = $this->defaultClass;
            $repo = new $repoClass($this->repository, $this);
            return $repo->setContentTypeIdentifier($contentTypeIdentifier);
        }

        throw new \UnexpectedValueException("Content type '$contentTypeIdentifier' is not registered with the Entity Manager, can not retrieve a Repository for it");
    }

    /**
     * @param int $contentTypeId slightly slower than loading by Identifier, but is useful when used eg. by Entities
     * @return \Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface
     * @throws \UnexpectedValueException
     */
    public function getRepositoryByContentTypeId($contentTypeId)
    {
        return $this->getRepository($this->getContentTypeIdentifierFromId($contentTypeId));
    }

    /**
     * A method added to keep the API friendly to Doctrine users
     * @param string $contentTypeIdentifier
     * @param mixed $id Content Id
     * @return \Kaliop\eZObjectWrapperBundle\Core\EntityInterface
     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if the content with the given id does not exist
     * @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException If the user has no access to read content and in case of un-published content: read versions
     */
    public function find($contentTypeIdentifier, $id)
    {
        return $this->getRepository($contentTypeIdentifier)->find($id);
    }

    /**
     * NB: this is slightly slower in execution than using find(), as it does have to look up the content type identifier.
     *
     * @param Location|Content|ContentInfo $content If you have a Content, by all means pass it in, not just its contentInfo
     * @return \Kaliop\eZObjectWrapperBundle\Core\EntityInterface
     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if the content with the given id does not exist
     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If a content type with the given id and status DEFINED can not be found
     * @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException If the user has no access to read content and in case of un-published content: read versions
     */
    public function load($content)
    {
        switch(true)
        {
            case $content instanceof ContentInfo:
                return $this
                    ->getRepositoryByContentTypeId($content->contentTypeId)
                    ->loadEntityFromContentInfo($content);
            case $content instanceof Content:
                return $this
                    ->getRepositoryByContentTypeId($content->contentInfo->contentTypeId)
                    ->loadEntityFromContent($content);
            case $content instanceof Location:
                return $this
                    ->getRepositoryByContentTypeId($content->contentInfo->contentTypeId)
                    ->loadEntityFromLocation($content);
        }
        throw new \UnexpectedValueException("Can not load an Entity for php object of class " . get_class($content));
    }

    /**
     * @param Content[]|Location[]|Contentinfo[]|SearchResult $contents
     * @return \Kaliop\eZObjectWrapperBundle\Core\EntityInterface[] they keys of the $contents array get preserved
     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if the content with the given id does not exist
     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If a content type with the given id and status DEFINED can not be found
     * @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException If the user has no access to read content and in case of un-published content: read versions
     */
    public function loadMany($contents)
    {
        switch(true)
        {
            case $contents instanceof SearchResult:
                $entities = array();
                foreach ($contents->searchHits as $searchHit) {
                    $entities[] = $this->load($searchHit->valueObject);
                }
                return $entities;
            case is_array($contents):
                $entities = array();
                foreach ($contents as $key => $value) {
                    $entities[$key] = $this->load($value);
                }
                return $entities;
        }
        throw new \UnexpectedValueException("Can not load an Entities for php object of class " . get_class($contents));
    }

    /**
     * @param mixed $id
     * @return string
     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If a content type with the given id and status DEFINED can not be found
     */
    protected function getContentTypeIdentifierFromId($id)
    {
        if (!isset($this->contentTypeIdentifierCache[$id])) {
            $contentTypeService = $this->repository->getContentTypeService();
            $this->contentTypeIdentifierCache[$id] = $contentTypeService->loadContentType($id)->identifier;
        }
        return $this->contentTypeIdentifierCache[$id];
    }
}


1		<?php
2
3		namespace Kaliop\eZObjectWrapperBundle\Core;
4
5		use eZ\Publish\API\Repository\Repository as eZRepository;
6		use eZ\Publish\API\Repository\Values\Content\Location;
7		use eZ\Publish\API\Repository\Values\Content\Content;
8		use eZ\Publish\API\Repository\Values\Content\ContentInfo;
9		use eZ\Publish\API\Repository\Values\Content\Search\SearchResult;
10
11		/**
12		* A simple entity manager, inspired by the Doctrine one
13		*
14		* @todo add methods to automatically create an Entity of the good type given a Content, Location, Id or RemoteId ?
15		*/
16		class EntityManager
17		{
18		/**
19		* @var \eZ\Publish\API\Repository\Repository $repository
20		*/
21		protected $repository;
22		protected $classMap;
23		protected $serviceMap;
24		protected $defaultClass;
25		protected $contentTypeIdentifierCache = array();
26
27		/**
28		* @param eZRepository $repository
29		* @param array $classMap array of classes exposing a RepositoryInterface
30		* @param RepositoryManagerInterface[] $serviceMap array of services exposing a RepositoryInterface
31		*/
32	10	public function __construct(eZRepository $repository, array $classMap=array(), array $serviceMap=array())
33		{
34	10	$this->repository = $repository;
35	10	foreach ($classMap as $contentTypeIdentifier => $className) {
36		$this->registerClass($className, $contentTypeIdentifier);
37	10	}
38	10	foreach ($serviceMap as $contentTypeIdentifier => $service) {
39		$this->registerService($service, $contentTypeIdentifier);
40	10	}
41	10	}
42
43		/**
44		* Registers an existing service to be used as repository for a given content type
45		* @var RepositoryInterface $service
46		* @var string $contentTypeIdentifier when null, we will ask the Repository to see if it already has its own $contentTypeIdentifier set up
47		*/
48	10	public function registerService(RepositoryInterface $service, $contentTypeIdentifier)
49		{
50	10	if ($contentTypeIdentifier == null && is_callable(array($service, 'getContentTypeIdentifier'))) {
51	10	$contentTypeIdentifier = $service->getContentTypeIdentifier();
52		}
53		if ($contentTypeIdentifier == null) {
54		throw new \InvalidArgumentException("Service can not be registered as repository for NULL Content Type Identifier");
55		}
56		$this->serviceMap[$contentTypeIdentifier] = $service;
57		}
58
59		/**
60		* Registers a php class to be used as wrapper for a given content type
61	2	* @var string $className
62		* @var string $contentTypeIdentifier
63	2	* @throws \InvalidArgumentException
64		*
65		* @todo improve validation of contentTypeIdentifiers (is '0' a valid content type identifier?...)
66	2	*/
67	2	public function registerClass($className, $contentTypeIdentifier)
68		{
69		if (!is_subclass_of($className, '\Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface')) {
		0 ignored issues – show Bug introduced 2020-03-30 17:58 UTC by Report Bug Copy Issue Report Due to PHP Bug #53727, `is_subclass_of` returns inconsistent results on some PHP versions for interfaces; you could instead use `ReflectionClass::implementsInterface`. Loading history...
70		throw new \InvalidArgumentException("Class '$className' can not be registered as repository because it lacks the necessary interface");
71		}
72		if ($contentTypeIdentifier == null) {
73		throw new \InvalidArgumentException("Class '$className' can not be registered as repository for NULL Content Type Identifier");
74	10	}
75		$this->classMap[$contentTypeIdentifier] = $className;
76	10	}
77
78		/**
79	10	* Registers a php class to be used as default repository
80	10	* @var string $className
81		* @throws \InvalidArgumentException
82		*/
83		public function registerDefaultClass($className)
84		{
85		if (!is_subclass_of($className, '\Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface')) {
		0 ignored issues – show Bug introduced 2020-03-30 17:58 UTC by Report Bug Copy Issue Report Due to PHP Bug #53727, `is_subclass_of` returns inconsistent results on some PHP versions for interfaces; you could instead use `ReflectionClass::implementsInterface`. Loading history...
86		throw new \InvalidArgumentException("Class '$className' can not be registered as default repository because it lacks the necessary interface");
87	10	}
88		$this->defaultClass = $className;
89	10	}
90	3
91	3	/**
92		* @param string $contentTypeIdentifier as used in the mapping
93		* @return \Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface
94		* @throws \UnexpectedValueException
95	10	*/
96	2	public function getRepository($contentTypeIdentifier)
97	2	{
98	2	if (isset($this->serviceMap[$contentTypeIdentifier])) {
99		$repo = $this->serviceMap[$contentTypeIdentifier];
100		return $repo->setContentTypeIdentifier($contentTypeIdentifier);
101	10	}
102	10
103	10	/// @todo for a small perf gain, we might store the created repo classes in an array
104	10	if (isset($this->classMap[$contentTypeIdentifier])) {
105		$repoClass = $this->classMap[$contentTypeIdentifier];
106		$repo = new $repoClass($this->repository, $this);
107		return $repo->setContentTypeIdentifier($contentTypeIdentifier);
108		}
109
110		if ($this->defaultClass != '') {
111		$repoClass = $this->defaultClass;
112		$repo = new $repoClass($this->repository, $this);
113		return $repo->setContentTypeIdentifier($contentTypeIdentifier);
114		}
115	7
116		throw new \UnexpectedValueException("Content type '$contentTypeIdentifier' is not registered with the Entity Manager, can not retrieve a Repository for it");
117	7	}
118
119		/**
120		* @param int $contentTypeId slightly slower than loading by Identifier, but is useful when used eg. by Entities
121		* @return \Kaliop\eZObjectWrapperBundle\Core\RepositoryInterface
122		* @throws \UnexpectedValueException
123		*/
124		public function getRepositoryByContentTypeId($contentTypeId)
125		{
126		return $this->getRepository($this->getContentTypeIdentifierFromId($contentTypeId));
127		}
128	10
129		/**
130	10	* A method added to keep the API friendly to Doctrine users
131		* @param string $contentTypeIdentifier
132		* @param mixed $id Content Id
133		* @return \Kaliop\eZObjectWrapperBundle\Core\EntityInterface
134		* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if the content with the given id does not exist
135		* @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException If the user has no access to read content and in case of un-published content: read versions
136		*/
137		public function find($contentTypeIdentifier, $id)
138		{
139		return $this->getRepository($contentTypeIdentifier)->find($id);
140		}
141
142	4	/**
143		* NB: this is slightly slower in execution than using find(), as it does have to look up the content type identifier.
144	4	*
145		* @param Location\|Content\|ContentInfo $content If you have a Content, by all means pass it in, not just its contentInfo
146	4	* @return \Kaliop\eZObjectWrapperBundle\Core\EntityInterface
147	2	* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if the content with the given id does not exist
148	2	* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If a content type with the given id and status DEFINED can not be found
149	2	* @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException If the user has no access to read content and in case of un-published content: read versions
150	4	*/
151	4	public function load($content)
152	4	{
153	4	switch(true)
154	2	{
155	2	case $content instanceof ContentInfo:
156	2	return $this
157	2	->getRepositoryByContentTypeId($content->contentTypeId)
158		->loadEntityFromContentInfo($content);
159		case $content instanceof Content:
160		return $this
161		->getRepositoryByContentTypeId($content->contentInfo->contentTypeId)
162		->loadEntityFromContent($content);
163		case $content instanceof Location:
164		return $this
165		->getRepositoryByContentTypeId($content->contentInfo->contentTypeId)
166		->loadEntityFromLocation($content);
167		}
168		throw new \UnexpectedValueException("Can not load an Entity for php object of class " . get_class($content));
169	2	}
170
171	2	/**
172		* @param Content[]\|Location[]\|Contentinfo[]\|SearchResult $contents
173	2	* @return \Kaliop\eZObjectWrapperBundle\Core\EntityInterface[] they keys of the $contents array get preserved
174	1	* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException if the content with the given id does not exist
175	1	* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If a content type with the given id and status DEFINED can not be found
176	1	* @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException If the user has no access to read content and in case of un-published content: read versions
177	1	*/
178	1	public function loadMany($contents)
179	2	{
180	2	switch(true)
181	2	{
182	2	case $contents instanceof SearchResult:
183	2	$entities = array();
184	2	foreach ($contents->searchHits as $searchHit) {
185		$entities[] = $this->load($searchHit->valueObject);
186	2	}
187		return $entities;
188		case is_array($contents):
189		$entities = array();
190		foreach ($contents as $key => $value) {
191		$entities[$key] = $this->load($value);
192		}
193		return $entities;
194	7	}
195		throw new \UnexpectedValueException("Can not load an Entities for php object of class " . get_class($contents));
196	7	}
197	7
198	7	/**
199	7	* @param mixed $id
200	7	* @return string
201		* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If a content type with the given id and status DEFINED can not be found
202		*/
203		protected function getContentTypeIdentifierFromId($id)
204		{
205		if (!isset($this->contentTypeIdentifierCache[$id])) {
206		$contentTypeService = $this->repository->getContentTypeService();
207		$this->contentTypeIdentifierCache[$id] = $contentTypeService->loadContentType($id)->identifier;
208		}
209		return $this->contentTypeIdentifierCache[$id];
210		}
211		}
212

kaliop / ezobjectwrapper

EntityManager::load() A last analyzed 2020-03-30 20:05 UTC

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EntityManager::load() A
last analyzed 2020-03-30 20:05 UTC