FieldFactory::create() - Code Metrics - Inspection of "Merge pull request #250 from larriereguichet/depen..." - larriereguichet/AdminBundle - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( bb67c8...cd2c1d )

by Arnaud

created 2021-04-18 08:10 UTC

FieldFactory::create() A

↳ Parent: FieldFactory

Complexity

Conditions	6
Paths	22

Size

Total Lines	31
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	17
CRAP Score	6.042

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	6
eloc	19
c	1
b	0
f	0
nc	22
nop	3
dl	0
loc	31
ccs	17
cts	19
cp	0.8947
crap	6.042
rs	9.0111

<?php

namespace LAG\AdminBundle\Factory;

use LAG\AdminBundle\Configuration\ApplicationConfiguration;
use LAG\AdminBundle\Configuration\FieldConfiguration;
use LAG\AdminBundle\Event\AdminEvents;
use LAG\AdminBundle\Event\Events\FieldDefinitionEvent;
use LAG\AdminBundle\Event\Events\FieldEvent;
use LAG\AdminBundle\Exception\Exception;
use LAG\AdminBundle\Exception\Field\FieldConfigurationException;
use LAG\AdminBundle\Exception\Field\FieldTypeNotFoundException;
use LAG\AdminBundle\Field\ApplicationAwareInterface;
use LAG\AdminBundle\Field\FieldInterface;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
use function Symfony\Component\String\u;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;

/**
 * Field factory. Instances fields.
 */
class FieldFactory implements FieldFactoryInterface
{
    /**
     * Field class mapping array, indexed by field type.
     */
    protected array $fieldsMapping = [];
    protected EventDispatcherInterface $eventDispatcher;
    protected ApplicationConfiguration $appConfig;

    public function __construct(
        EventDispatcherInterface $eventDispatcher,
        ApplicationConfiguration $appConfig,
        array $fieldsMapping
    ) {
        $this->fieldsMapping = $fieldsMapping;
        $this->eventDispatcher = $eventDispatcher;
        $this->appConfig = $appConfig;
    }

    public function create(string $name, array $configuration, array $context = []): FieldInterface
    {
        try {
            $configuration = $this->resolveConfiguration($name, $configuration, $context);
            // Dispatch an event to allow dynamic changes on the form type
            $event = new FieldEvent($name, $configuration['type'], $configuration['options'], $context);
            $this->eventDispatcher->dispatch($event, AdminEvents::FIELD_CREATE);
            $type = $event->getType();

            if ($type === null) {
                $type = 'auto';
            }
            $options = array_merge($configuration['options'], $event->getOptions());

            // Allow the type to be a class name
            if (!\array_key_exists($type, $this->fieldsMapping) && !class_exists($type)) {
                throw new FieldTypeNotFoundException($type, $name, $context);
            }
            $field = $this->instanciateField($name, $type);

            if ($field instanceof ApplicationAwareInterface) {
                $field->setApplicationConfiguration($this->appConfig);
            }
            $this->configureField($field, $type, $options, $context);
        } catch (\Exception $exception) {
            throw new FieldConfigurationException($name, $context, $exception->getMessage(), $exception);
        }
        $event = new FieldEvent($name, $type, $options, $context);
        $this->eventDispatcher->dispatch($event, AdminEvents::FIELD_CREATED);

        return $field;
    }

    public function createDefinitions(string $class): array
    {
        $event = new FieldDefinitionEvent($class);
        $this->eventDispatcher->dispatch($event, AdminEvents::FIELD_DEFINITION_CREATE);

        return $event->getDefinitions();
    }

    private function configureField(
        FieldInterface $field,
        string $type,
        array $options,
        array $context
    ): void {
        $resolver = new OptionsResolver();
        $resolver
            ->setDefaults([
                'attr' => ['class' => 'admin-field admin-field-'.$type],
                'header_attr' => ['class' => 'admin-header admin-header-'.$type],
                'label' => null,
                'mapped' => false,
                'property_path' => $field->getName(),
                'template' => '@LAGAdmin/fields/auto.html.twig',
                'translation' => false, // Most of fields are values from database and should not be translated
                'translation_domain' => null,
                'sortable' => true,
            ])
            ->setAllowedTypes('attr', ['array', 'null'])
            ->setAllowedTypes('header_attr', ['array', 'null'])
            ->setAllowedTypes('label', ['string', 'null', 'boolean'])
            ->setAllowedTypes('mapped', ['boolean'])
            ->setAllowedTypes('property_path', ['string', 'null'])
            ->setAllowedTypes('template', ['string'])
            ->setAllowedTypes('translation', ['boolean'])
            ->setAllowedTypes('translation_domain', ['string', 'null'])
            ->setAllowedTypes('sortable', ['boolean'])
            ->setNormalizer('attr', function (Options $options, $attr) {
                if ($attr === null) {
                    $attr = [];
                }

                return $attr;
            })
            ->setNormalizer('header_attr', function (Options $options, $attr) {
                if ($attr === null) {
                    $attr = [];
                }

                return $attr;
            })
            ->setNormalizer('mapped', function (Options $options, $mapped) use ($field) {
                if (u($field->getName())->startsWith('_')) {
                    return true;
                }

                return $mapped;
            })
            ->setNormalizer('property_path', function (Options $options, $propertyPath) use ($field) {
                if (u($field->getName())->startsWith('_')) {
                    return null;
                }

                return $propertyPath;
            })
        ;

        if ($field->getParent()) {
            $currentField = $field;
            $parents = [];
            // Keep track of processed parent types to avoid a infinite loop
            $processedParents = [];

            while ($currentField->getParent() !== null) {
                if (\in_array($currentField->getParent(), $processedParents)) {
                    throw new FieldConfigurationException($field->getName(), $context, 'An inheritance loop is found in '.implode(', ', $processedParents));
                }
                $parent = $this->instanciateField($currentField->getName(), $currentField->getParent());

                if ($parent instanceof ApplicationAwareInterface) {
                    $parent->setApplicationConfiguration($this->appConfig);
                }
                $parents[] = $parent;
                $processedParents[] = $field->getParent();
                $currentField = $parent;
            }
            $parents = array_reverse($parents);

            foreach ($parents as $parent) {
                $parent->configureOptions($resolver);
            }
        }
        $field->configureOptions($resolver);
        $field->setOptions($resolver->resolve($options));
    }

    /**
     * Return field class according to the field type. If the type is not present in the field mapping array, an
     * exception will be thrown.
     *
     * @throws Exception
     */
    private function getFieldClass(string $type): string
    {
        if (\array_key_exists($type, $this->fieldsMapping)) {
            return $this->fieldsMapping[$type];
        }

        if (class_exists($type)) {
            return $type;
        }

        throw new Exception(sprintf('Field type "%s" not found in field mapping. Allowed fields are "%s"', $type, implode('", "', $this->fieldsMapping)));
    }

    private function instanciateField(string $name, string $type): FieldInterface
    {
        $fieldClass = $this->getFieldClass($type);
        $field = new $fieldClass($name, $type);

        if (!$field instanceof FieldInterface) {
            // TODO use an exception in the field namespace
            throw new Exception("Field class \"{$fieldClass}\" must implements ".FieldInterface::class);
        }

        return $field;
    }

    private function resolveConfiguration(string $name, array $configuration, array $context): array
    {
        $fieldConfiguration = new FieldConfiguration();
        $fieldConfiguration->configure($configuration);
        $configuration = $fieldConfiguration->toArray();

        $event = new FieldEvent($name, $configuration['type'], $configuration['options'], $context);
        $this->eventDispatcher->dispatch($event);
        $configuration['options'] = $event->getOptions();

        // For collection of fields, we resolve the configuration of each item
        if ('collection' == $fieldConfiguration->getType()) {
            $items = [];

            foreach ($fieldConfiguration->getOptions() as $itemFieldName => $itemFieldConfiguration) {
                // The configuration should be an array
                if (!$itemFieldConfiguration) {
                    $itemFieldConfiguration = [];
                }

                // The type should be defined
                if (!\array_key_exists('type', $itemFieldConfiguration)) {
                    throw new Exception("Missing type configuration for field {$itemFieldName}");
                }

                // The field options are optional
                if (!\array_key_exists('options', $itemFieldConfiguration)) {
                    $itemFieldConfiguration['options'] = [];
                }

                // create collection item
                $items[] = $this->create($itemFieldName, $itemFieldConfiguration, $context);
            }
            // add created item to the field options
            $configuration['options'] = [
                'fields' => $items,
            ];
        }

        return $configuration;
    }
}


1		<?php
2
3		namespace LAG\AdminBundle\Factory;
4
5		use LAG\AdminBundle\Configuration\ApplicationConfiguration;
6		use LAG\AdminBundle\Configuration\FieldConfiguration;
7		use LAG\AdminBundle\Event\AdminEvents;
8		use LAG\AdminBundle\Event\Events\FieldDefinitionEvent;
9		use LAG\AdminBundle\Event\Events\FieldEvent;
10		use LAG\AdminBundle\Exception\Exception;
11		use LAG\AdminBundle\Exception\Field\FieldConfigurationException;
12		use LAG\AdminBundle\Exception\Field\FieldTypeNotFoundException;
13		use LAG\AdminBundle\Field\ApplicationAwareInterface;
14		use LAG\AdminBundle\Field\FieldInterface;
15		use Symfony\Component\OptionsResolver\Options;
16		use Symfony\Component\OptionsResolver\OptionsResolver;
17		use function Symfony\Component\String\u;
18		use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
19
20		/**
21		* Field factory. Instances fields.
22		*/
23		class FieldFactory implements FieldFactoryInterface
24		{
25		/**
26		* Field class mapping array, indexed by field type.
27		*/
28		protected array $fieldsMapping = [];
29		protected EventDispatcherInterface $eventDispatcher;
30		protected ApplicationConfiguration $appConfig;
31
32	17	public function __construct(
33		EventDispatcherInterface $eventDispatcher,
34		ApplicationConfiguration $appConfig,
35		array $fieldsMapping
36		) {
37	17	$this->fieldsMapping = $fieldsMapping;
38	17	$this->eventDispatcher = $eventDispatcher;
39	17	$this->appConfig = $appConfig;
40	17	}
41
42	16	public function create(string $name, array $configuration, array $context = []): FieldInterface
43		{
44		try {
45	16	$configuration = $this->resolveConfiguration($name, $configuration, $context);
46		// Dispatch an event to allow dynamic changes on the form type
47	16	$event = new FieldEvent($name, $configuration['type'], $configuration['options'], $context);
48	16	$this->eventDispatcher->dispatch($event, AdminEvents::FIELD_CREATE);
49	16	$type = $event->getType();
50
51	16	if ($type === null) {
52		$type = 'auto';
53		}
54	16	$options = array_merge($configuration['options'], $event->getOptions());
55
56		// Allow the type to be a class name
57	16	if (!\array_key_exists($type, $this->fieldsMapping) && !class_exists($type)) {
58		throw new FieldTypeNotFoundException($type, $name, $context);
59		}
60	16	$field = $this->instanciateField($name, $type);
61
62	15	if ($field instanceof ApplicationAwareInterface) {
63	10	$field->setApplicationConfiguration($this->appConfig);
64		}
65	15	$this->configureField($field, $type, $options, $context);
66	1	} catch (\Exception $exception) {
67	1	throw new FieldConfigurationException($name, $context, $exception->getMessage(), $exception);
68		}
69	15	$event = new FieldEvent($name, $type, $options, $context);
70	15	$this->eventDispatcher->dispatch($event, AdminEvents::FIELD_CREATED);
71
72	15	return $field;
73		}
74
75		public function createDefinitions(string $class): array
76		{
77		$event = new FieldDefinitionEvent($class);
78		$this->eventDispatcher->dispatch($event, AdminEvents::FIELD_DEFINITION_CREATE);
79
80		return $event->getDefinitions();
81		}
82
83	15	private function configureField(
84		FieldInterface $field,
85		string $type,
86		array $options,
87		array $context
88		): void {
89	15	$resolver = new OptionsResolver();
90		$resolver
91	15	->setDefaults([
92	15	'attr' => ['class' => 'admin-field admin-field-'.$type],
93	15	'header_attr' => ['class' => 'admin-header admin-header-'.$type],
94		'label' => null,
95		'mapped' => false,
96	15	'property_path' => $field->getName(),
97	15	'template' => '@LAGAdmin/fields/auto.html.twig',
98		'translation' => false, // Most of fields are values from database and should not be translated
99		'translation_domain' => null,
100		'sortable' => true,
101		])
102	15	->setAllowedTypes('attr', ['array', 'null'])
103	15	->setAllowedTypes('header_attr', ['array', 'null'])
104	15	->setAllowedTypes('label', ['string', 'null', 'boolean'])
105	15	->setAllowedTypes('mapped', ['boolean'])
106	15	->setAllowedTypes('property_path', ['string', 'null'])
107	15	->setAllowedTypes('template', ['string'])
108	15	->setAllowedTypes('translation', ['boolean'])
109	15	->setAllowedTypes('translation_domain', ['string', 'null'])
110	15	->setAllowedTypes('sortable', ['boolean'])
111	15	->setNormalizer('attr', function (Options $options, $attr) {
112	15	if ($attr === null) {
113		$attr = [];
114		}
115
116	15	return $attr;
117	15	})
118	15	->setNormalizer('header_attr', function (Options $options, $attr) {
119	15	if ($attr === null) {
120		$attr = [];
121		}
122
123	15	return $attr;
124	15	})
125	15	->setNormalizer('mapped', function (Options $options, $mapped) use ($field) {
126	15	if (u($field->getName())->startsWith('_')) {
127		return true;
128		}
129
130	15	return $mapped;
131	15	})
132	15	->setNormalizer('property_path', function (Options $options, $propertyPath) use ($field) {
133	15	if (u($field->getName())->startsWith('_')) {
134		return null;
135		}
136
137	15	return $propertyPath;
138	15	})
139		;
140
141	15	if ($field->getParent()) {
142		$currentField = $field;
143		$parents = [];
144		// Keep track of processed parent types to avoid a infinite loop
145		$processedParents = [];
146
147		while ($currentField->getParent() !== null) {
148		if (\in_array($currentField->getParent(), $processedParents)) {
149		throw new FieldConfigurationException($field->getName(), $context, 'An inheritance loop is found in '.implode(', ', $processedParents));
150		}
151		$parent = $this->instanciateField($currentField->getName(), $currentField->getParent());
152
153		if ($parent instanceof ApplicationAwareInterface) {
154		$parent->setApplicationConfiguration($this->appConfig);
155		}
156		$parents[] = $parent;
157		$processedParents[] = $field->getParent();
158		$currentField = $parent;
159		}
160		$parents = array_reverse($parents);
161
162		foreach ($parents as $parent) {
163		$parent->configureOptions($resolver);
164		}
165		}
166	15	$field->configureOptions($resolver);
167	15	$field->setOptions($resolver->resolve($options));
168	15	}
169
170		/**
171		* Return field class according to the field type. If the type is not present in the field mapping array, an
172		* exception will be thrown.
173		*
174		* @throws Exception
175		*/
176	16	private function getFieldClass(string $type): string
177		{
178	16	if (\array_key_exists($type, $this->fieldsMapping)) {
179	15	return $this->fieldsMapping[$type];
180		}
181
182	1	if (class_exists($type)) {
183	1	return $type;
184		}
185
186		throw new Exception(sprintf('Field type "%s" not found in field mapping. Allowed fields are "%s"', $type, implode('", "', $this->fieldsMapping)));
187		}
188
189	16	private function instanciateField(string $name, string $type): FieldInterface
190		{
191	16	$fieldClass = $this->getFieldClass($type);
192	16	$field = new $fieldClass($name, $type);
193
194	16	if (!$field instanceof FieldInterface) {
195		// TODO use an exception in the field namespace
196	1	throw new Exception("Field class \"{$fieldClass}\" must implements ".FieldInterface::class);
197		}
198
199	15	return $field;
200		}
201
202	16	private function resolveConfiguration(string $name, array $configuration, array $context): array
203		{
204	16	$fieldConfiguration = new FieldConfiguration();
205	16	$fieldConfiguration->configure($configuration);
206	16	$configuration = $fieldConfiguration->toArray();
207
208	16	$event = new FieldEvent($name, $configuration['type'], $configuration['options'], $context);
209	16	$this->eventDispatcher->dispatch($event);
210	16	$configuration['options'] = $event->getOptions();
211
212		// For collection of fields, we resolve the configuration of each item
213	16	if ('collection' == $fieldConfiguration->getType()) {
214		$items = [];
215
216		foreach ($fieldConfiguration->getOptions() as $itemFieldName => $itemFieldConfiguration) {
217		// The configuration should be an array
218		if (!$itemFieldConfiguration) {
219		$itemFieldConfiguration = [];
220		}
221
222		// The type should be defined
223		if (!\array_key_exists('type', $itemFieldConfiguration)) {
224		throw new Exception("Missing type configuration for field {$itemFieldName}");
225		}
226
227		// The field options are optional
228		if (!\array_key_exists('options', $itemFieldConfiguration)) {
229		$itemFieldConfiguration['options'] = [];
230		}
231
232		// create collection item
233		$items[] = $this->create($itemFieldName, $itemFieldConfiguration, $context);
234		}
235		// add created item to the field options
236		$configuration['options'] = [
237		'fields' => $items,
238		];
239		}
240
241	16	return $configuration;
242		}
243		}
244

larriereguichet / AdminBundle

Push — master ( bb67c8...cd2c1d )

FieldFactory::create() A

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Duplication

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