AdminFactory::init() - Code Metrics - Inspection of "Refactor configuration management into separate an..." - larriereguichet/AdminBundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — dev (#9)

by Arnaud

created 2016-04-16 10:28 UTC

AdminFactory::init() B

↳ Parent: AdminFactory

Complexity

Conditions	3
Paths	3

Size

Total Lines	33
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	17
CRAP Score	3.0015

Importance

Changes	4
Bugs	0	Features	0

Metric	Value
c	4
b	0
f	0
dl	0
loc	33
ccs	17
cts	18
cp	0.9444
rs	8.8571
cc	3
eloc	19
nc	3
nop	0
crap	3.0015

<?php

namespace LAG\AdminBundle\Admin\Factory;

use Doctrine\ORM\EntityManager;
use LAG\AdminBundle\Action\Factory\ActionFactory;
use LAG\AdminBundle\Admin\Admin;
use LAG\AdminBundle\Admin\AdminInterface;
use LAG\AdminBundle\Configuration\Factory\ConfigurationFactory;
use LAG\AdminBundle\DataProvider\DataProvider;
use LAG\AdminBundle\DataProvider\DataProviderInterface;
use LAG\AdminBundle\Event\AdminEvent;
use LAG\AdminBundle\Event\AdminFactoryEvent;
use Exception;
use LAG\AdminBundle\Message\MessageHandlerInterface;
use LAG\DoctrineRepositoryBundle\Repository\RepositoryInterface;
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * AdminFactory.
 *
 * Create admin from configuration
 */
class AdminFactory
{
    /**
     * @var array
     */
    protected $admins = [];

    /**
     * @var bool
     */
    protected $isInit = false;

    /**
     * @var EventDispatcherInterface
     */
    protected $eventDispatcher;

    /**
     * @var EntityManager
     */
    protected $entityManager;

    /**
     * @var ConfigurationFactory
     */
    protected $configurationFactory;

    /**
     * User custom data provider, indexed by service id
     *
     * @var ParameterBagInterface
     */
    protected $dataProviders;

    /**
     * @var array
     */
    protected $adminConfigurations;

    /**
     * @var ActionFactory
     */
    protected $actionFactory;

    /**
     * @var MessageHandlerInterface
     */
    protected $messageHandler;

    /**
     * AdminFactory constructor.
     *
     * @param EventDispatcherInterface $eventDispatcher
     * @param EntityManager $entityManager
     * @param ConfigurationFactory $configurationFactory
     * @param array $adminConfigurations
     * @param ActionFactory $actionFactory
     * @param MessageHandlerInterface $messageHandler
     */
    public function __construct(
        array $adminConfigurations,
        EventDispatcherInterface $eventDispatcher,
        EntityManager $entityManager,
        ConfigurationFactory $configurationFactory,        
        ActionFactory $actionFactory,
        MessageHandlerInterface $messageHandler
    ) {
        $this->eventDispatcher = $eventDispatcher;
        $this->entityManager = $entityManager;
        $this->configurationFactory = $configurationFactory;
        $this->adminConfigurations = $adminConfigurations;
        $this->actionFactory = $actionFactory;
        $this->messageHandler = $messageHandler;
        $this->dataProviders = new ParameterBag();
    }

    /**
     * Create admins from configuration and load them into the pool. Dispatch ADMIN_CREATE event.
     */
    public function init()
    {
        // init only once
        if ($this->isInit) {
            return;
        }
        $event = new AdminFactoryEvent();
        $event->setAdminsConfiguration($this->adminConfigurations);

        // dispatch an event to allow configuration modification before resolving and creating admins
        $this
            ->eventDispatcher
            ->dispatch(AdminFactoryEvent::ADMIN_CREATION, $event);
        // set modified configuration
        $this->adminConfigurations = $event->getAdminsConfiguration();

        foreach ($this->adminConfigurations as $name => $configuration) {

            // dispatch an event to allow modification on this specific admin
            $event = new AdminEvent();
            $event
                ->setConfiguration($configuration)
                ->setAdminName($name)
            ;
            $this
                ->eventDispatcher
                ->dispatch(AdminEvent::ADMIN_CREATE, $event);

            // create Admin object
            $this->admins[$name] = $this->create($name, $event->getConfiguration());
        }
        $this->isInit = true;
    }

    /**
     * Create an Admin from configuration values. It will be added to AdminFactory admin's list.
     *
     * @param string $name
     * @param array $configuration
     * @return Admin
     * @throws Exception
     */
    public function create($name, array $configuration)
    {
        // create AdminConfiguration object
        $adminConfiguration = $this
            ->configurationFactory
            ->createAdminConfiguration($configuration);

        // retrieve a data provider
        $dataProvider = $this->getDataProvider(
            $adminConfiguration->getParameter('entity'),
            $adminConfiguration->getParameter('data_provider')
        );

        // create Admin object
        $admin = new Admin(
            $name,
            $dataProvider,
            $adminConfiguration,
            $this->messageHandler
        );

        // adding actions
        foreach ($adminConfiguration->getParameter('actions') as $actionName => $actionConfiguration) {
            // dispatching action create event for dynamic action creation
            $event = new AdminEvent();
            $event->setConfiguration($actionConfiguration);
            $event->setAdmin($admin);
            $event->setActionName($actionName);
            $this->eventDispatcher->dispatch(AdminEvent::ACTION_CREATE, $event);
            // creating action from configuration
            $action = $this
                ->actionFactory
                ->create($actionName, $event->getConfiguration(), $admin);
            // adding action to admin
            $admin->addAction($action);
        }
        return $admin;
    }

    /**
     * Return an admin from a Symfony request.
     *
     * @param Request $request
     * @return AdminInterface
     * @throws Exception
     */
    public function getAdminFromRequest(Request $request)
    {
        $routeParameters = $request->get('_route_params');

        if (!$routeParameters) {
            throw new Exception('Cannot find admin from request. _route_params parameters for request not found');
        }
        if (!array_key_exists('_admin', $routeParameters)) {
            throw new Exception('Cannot find admin from request. "_admin" route parameter is missing');
        }
        if (!array_key_exists('_action', $routeParameters)) {
            throw new Exception('Cannot find admin action from request. "_action" route parameter is missing');
        }
        $admin = $this->getAdmin($routeParameters['_admin']);

        return $admin;
    }

    /**
     * Return a admin by its name.
     *
     * @param $name
     * @return Admin
     * @throws Exception
     */
    public function getAdmin($name)
    {
        if (!array_key_exists($name, $this->admins)) {
            throw new Exception(sprintf('Admin with name "%s" not found. Check your admin configuration', $name));
        }

        return $this->admins[$name];
    }

    /**
     * Return all admins.
     *
     * @return Admin[]
     */
    public function getAdmins()
    {
        return $this->admins;
    }

    /**
     * Add user custom repositories (called in the repository compiler pass), to avoid injecting the service container
     *
     * @param string $name
     * @param DataProviderInterface $dataProvider
     */
    public function addDataProvider($name, DataProviderInterface $dataProvider)
    {
        $this
            ->dataProviders
            ->set($name, $dataProvider);
    }

    /**
     * Return a configured data provider or create an new instance of the default one.
     *
     * @param string $entityClass
     * @param string|null $name
     * @return DataProvider|mixed
     * @throws Exception
     */
    protected function getDataProvider($entityClass, $name = null)
    {
        // create or get repository according to the configuration
        if ($name) {
            // custom data provider class must be loaded by the compiler pass
            if (!$this->dataProviders->has($name)) {
                throw new Exception(sprintf(
                    'Data provider %s not found. Did you add the @data_provider tag in your service ?',
                    $name
                ));
            }
            $dataProvider = $this
                ->dataProviders
                ->get($name);
        } else {
            // no data provider is configured, we create a new one
            $repository = $this
                ->entityManager
                ->getRepository($entityClass);

            if (!($repository instanceof RepositoryInterface)) {
                $repositoryClass = get_class($repository);
                throw new Exception("Repository {$repositoryClass} should implements " . RepositoryInterface::class);
            }

            $dataProvider = new DataProvider($repository);
        }
        return $dataProvider;
    }
}


1		<?php
2
3		namespace LAG\AdminBundle\Admin\Factory;
4
5		use Doctrine\ORM\EntityManager;
6		use LAG\AdminBundle\Action\Factory\ActionFactory;
7		use LAG\AdminBundle\Admin\Admin;
8		use LAG\AdminBundle\Admin\AdminInterface;
9		use LAG\AdminBundle\Configuration\Factory\ConfigurationFactory;
10		use LAG\AdminBundle\DataProvider\DataProvider;
11		use LAG\AdminBundle\DataProvider\DataProviderInterface;
12		use LAG\AdminBundle\Event\AdminEvent;
13		use LAG\AdminBundle\Event\AdminFactoryEvent;
14		use Exception;
15		use LAG\AdminBundle\Message\MessageHandlerInterface;
16		use LAG\DoctrineRepositoryBundle\Repository\RepositoryInterface;
17		use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
18		use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
19		use Symfony\Component\EventDispatcher\EventDispatcherInterface;
20		use Symfony\Component\HttpFoundation\Request;
21
22		/**
23		* AdminFactory.
24		*
25		* Create admin from configuration
26		*/
27		class AdminFactory
28		{
29		/**
30		* @var array
31		*/
32		protected $admins = [];
33
34		/**
35		* @var bool
36		*/
37		protected $isInit = false;
38
39		/**
40		* @var EventDispatcherInterface
41		*/
42		protected $eventDispatcher;
43
44		/**
45		* @var EntityManager
46		*/
47		protected $entityManager;
48
49		/**
50		* @var ConfigurationFactory
51		*/
52		protected $configurationFactory;
53
54		/**
55		* User custom data provider, indexed by service id
56		*
57		* @var ParameterBagInterface
58		*/
59		protected $dataProviders;
60
61		/**
62		* @var array
63		*/
64		protected $adminConfigurations;
65
66		/**
67		* @var ActionFactory
68		*/
69		protected $actionFactory;
70
71		/**
72		* @var MessageHandlerInterface
73		*/
74		protected $messageHandler;
75
76		/**
77		* AdminFactory constructor.
78		*
79		* @param EventDispatcherInterface $eventDispatcher
80		* @param EntityManager $entityManager
81		* @param ConfigurationFactory $configurationFactory
82		* @param array $adminConfigurations
83		* @param ActionFactory $actionFactory
84		* @param MessageHandlerInterface $messageHandler
85		*/
86	6	public function __construct(
87		array $adminConfigurations,
88		EventDispatcherInterface $eventDispatcher,
89		EntityManager $entityManager,
90		ConfigurationFactory $configurationFactory,
91		ActionFactory $actionFactory,
92		MessageHandlerInterface $messageHandler
93		) {
94	6	$this->eventDispatcher = $eventDispatcher;
95	6	$this->entityManager = $entityManager;
96	6	$this->configurationFactory = $configurationFactory;
97	6	$this->adminConfigurations = $adminConfigurations;
98	6	$this->actionFactory = $actionFactory;
99	6	$this->messageHandler = $messageHandler;
100	6	$this->dataProviders = new ParameterBag();
101	6	}
102
103		/**
104		* Create admins from configuration and load them into the pool. Dispatch ADMIN_CREATE event.
105		*/
106	4	public function init()
107		{
108		// init only once
109	4	if ($this->isInit) {
110		return;
111		}
112	4	$event = new AdminFactoryEvent();
113	4	$event->setAdminsConfiguration($this->adminConfigurations);
114
115		// dispatch an event to allow configuration modification before resolving and creating admins
116	4	$this
117		->eventDispatcher
118	4	->dispatch(AdminFactoryEvent::ADMIN_CREATION, $event);
119		// set modified configuration
120	4	$this->adminConfigurations = $event->getAdminsConfiguration();
121
122	4	foreach ($this->adminConfigurations as $name => $configuration) {
123
124		// dispatch an event to allow modification on this specific admin
125	4	$event = new AdminEvent();
126		$event
127	4	->setConfiguration($configuration)
128	4	->setAdminName($name)
129		;
130	4	$this
131		->eventDispatcher
132	4	->dispatch(AdminEvent::ADMIN_CREATE, $event);
133
134		// create Admin object
135	4	$this->admins[$name] = $this->create($name, $event->getConfiguration());
136	4	}
137	4	$this->isInit = true;
138	4	}
139
140		/**
141		* Create an Admin from configuration values. It will be added to AdminFactory admin's list.
142		*
143		* @param string $name
144		* @param array $configuration
145		* @return Admin
146		* @throws Exception
147		*/
148	5	public function create($name, array $configuration)
149		{
150		// create AdminConfiguration object
151	5	$adminConfiguration = $this
152		->configurationFactory
153	5	->createAdminConfiguration($configuration);
154
155		// retrieve a data provider
156	5	$dataProvider = $this->getDataProvider(
157	5	$adminConfiguration->getParameter('entity'),
158	5	$adminConfiguration->getParameter('data_provider')
159	5	);
160
161		// create Admin object
162	5	$admin = new Admin(
163	5	$name,
164	5	$dataProvider,
165	5	$adminConfiguration,
166	5	$this->messageHandler
167	5	);
168
169		// adding actions
170	5	foreach ($adminConfiguration->getParameter('actions') as $actionName => $actionConfiguration) {
171		// dispatching action create event for dynamic action creation
172	5	$event = new AdminEvent();
173	5	$event->setConfiguration($actionConfiguration);
174	5	$event->setAdmin($admin);
175	5	$event->setActionName($actionName);
176	5	$this->eventDispatcher->dispatch(AdminEvent::ACTION_CREATE, $event);
177		// creating action from configuration
178	5	$action = $this
179		->actionFactory
180	5	->create($actionName, $event->getConfiguration(), $admin);
181		// adding action to admin
182	5	$admin->addAction($action);
183	5	}
184	5	return $admin;
185		}
186
187		/**
188		* Return an admin from a Symfony request.
189		*
190		* @param Request $request
191		* @return AdminInterface
192		* @throws Exception
193		*/
194	1	public function getAdminFromRequest(Request $request)
195		{
196	1	$routeParameters = $request->get('_route_params');
197
198	1	if (!$routeParameters) {
199		throw new Exception('Cannot find admin from request. _route_params parameters for request not found');
200		}
201	1	if (!array_key_exists('_admin', $routeParameters)) {
202		throw new Exception('Cannot find admin from request. "_admin" route parameter is missing');
203		}
204	1	if (!array_key_exists('_action', $routeParameters)) {
205		throw new Exception('Cannot find admin action from request. "_action" route parameter is missing');
206		}
207	1	$admin = $this->getAdmin($routeParameters['_admin']);
208
209	1	return $admin;
210		}
211
212		/**
213		* Return a admin by its name.
214		*
215		* @param $name
216		* @return Admin
217		* @throws Exception
218		*/
219	5	public function getAdmin($name)
220		{
221	5	if (!array_key_exists($name, $this->admins)) {
222	3	throw new Exception(sprintf('Admin with name "%s" not found. Check your admin configuration', $name));
223		}
224
225	3	return $this->admins[$name];
226		}
227
228		/**
229		* Return all admins.
230		*
231		* @return Admin[]
232		*/
233	1	public function getAdmins()
234		{
235	1	return $this->admins;
236		}
237
238		/**
239		* Add user custom repositories (called in the repository compiler pass), to avoid injecting the service container
240		*
241		* @param string $name
242		* @param DataProviderInterface $dataProvider
243		*/
244	1	public function addDataProvider($name, DataProviderInterface $dataProvider)
245		{
246	1	$this
247		->dataProviders
248	1	->set($name, $dataProvider);
249	1	}
250
251		/**
252		* Return a configured data provider or create an new instance of the default one.
253		*
254		* @param string $entityClass
255		* @param string\|null $name
256		* @return DataProvider\|mixed
257		* @throws Exception
258		*/
259	5	protected function getDataProvider($entityClass, $name = null)
260		{
261		// create or get repository according to the configuration
262	5	if ($name) {
263		// custom data provider class must be loaded by the compiler pass
264		if (!$this->dataProviders->has($name)) {
265		throw new Exception(sprintf(
266		'Data provider %s not found. Did you add the @data_provider tag in your service ?',
267		$name
268		));
269		}
270		$dataProvider = $this
271		->dataProviders
272		->get($name);
273		} else {
274		// no data provider is configured, we create a new one
275	5	$repository = $this
276		->entityManager
277	5	->getRepository($entityClass);
278
279	5	if (!($repository instanceof RepositoryInterface)) {
280		$repositoryClass = get_class($repository);
281		throw new Exception("Repository {$repositoryClass} should implements " . RepositoryInterface::class);
282		}
283
284	5	$dataProvider = new DataProvider($repository);
285		}
286	5	return $dataProvider;
287		}
288		}
289

larriereguichet / AdminBundle

Pull Request — dev (#9)

AdminFactory::init() B

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