MetadataProvider::setAfterUnify() - Code Metrics - Inspection of "Remix metadata relation calculation" - Algo-Web/POData-Laravel - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — MetadataImplementationStep (#116)

by Alex

created 2017-09-24 10:36 UTC

MetadataProvider::setAfterUnify() A

↳ Parent: MetadataProvider

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

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

<?php

namespace AlgoWeb\PODataLaravel\Providers;

use AlgoWeb\PODataLaravel\Models\MetadataGubbinsHolder;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\Association;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationMonomorphic;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationPolymorphic;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationStubRelationType;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationType;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\EntityFieldType;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\EntityGubbins;
use AlgoWeb\PODataLaravel\Models\ObjectMap\Map;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Schema as Schema;
use POData\Providers\Metadata\ResourceEntityType;
use POData\Providers\Metadata\ResourceSet;
use POData\Providers\Metadata\ResourceStreamInfo;
use POData\Providers\Metadata\SimpleMetadataProvider;
use POData\Providers\Metadata\Type\TypeCode;

class MetadataProvider extends MetadataBaseProvider
{
    protected $multConstraints = ['0..1' => ['1'], '1' => ['0..1', '*'], '*' => ['1', '*']];
    protected static $metaNAMESPACE = 'Data';
    protected static $isBooted = false;
    const POLYMORPHIC = 'polyMorphicPlaceholder';
    const POLYMORPHIC_PLURAL = 'polyMorphicPlaceholders';

    /**
     * @var Map The completed object map set at post Implement;
     */
    private $completedObjectMap;

    /**
     * @return \AlgoWeb\PODataLaravel\Models\ObjectMap\Map
     */
    public function getObjectMap()
    {
        return $this->completedObjectMap;
    }

    protected static $afterExtract;
    protected static $afterUnify;
    protected static $afterVerify;
    protected static $afterImplement;

    public static function setAfterExtract(callable $method)
    {
        self::$afterExtract = $method;
    }

    public static function setAfterUnify(callable $method)
    {
        self::$afterUnify = $method;
    }

    public static function setAfterVerify(callable $method)
    {
        self::$afterVerify = $method;
    }

    public static function setAfterImplement(callable $method)
    {
        self::$afterImplement = $method;
    }


    protected $relationHolder;

    public function __construct($app)
    {
        parent::__construct($app);
        $this->relationHolder = new MetadataGubbinsHolder();
        self::$isBooted = false;
    }

    private function extract(array $modelNames)
    {
        $objectMap = new Map();
        foreach ($modelNames as $modelName) {
            $modelInstance = App::make($modelName);
            $objectMap->addEntity($modelInstance->extractGubbins());
        }
        if (null != self::$afterExtract) {
            $func = self::$afterExtract;
            $func($objectMap);
        }
        return $objectMap;
    }

    private function unify(Map $objectMap)
    {
        $mgh = $this->getRelationHolder();
        foreach ($objectMap->getEntities() as $entity) {
            $mgh->addEntity($entity);
        }
        $objectMap->setAssociations($mgh->getRelations());
        if (null != self::$afterUnify) {
            $func = self::$afterUnify;
            $func($objectMap);
        }
        return $objectMap;
    }

    private function verify(Map $objectModel)
    {
        $objectModel->isOK();
        if (null != self::$afterVerify) {
            $func = self::$afterVerify;
            $func($objectModel);
        }
    }

    private function implement(Map $objectModel)
    {
        $meta = App::make('metadata');
        $entities = $objectModel->getEntities();
        foreach ($entities as $entity) {
            $baseType = $entity->isPolymorphicAffected() ? $meta->resolveResourceType('polyMorphicPlaceholder') : null;
            $className = $entity->getClassName();
            $entityName = $entity->getName();
            $entityType = $meta->addEntityType(new \ReflectionClass($className), $entityName, false, $baseType);
            assert($entityType->hasBaseType() === isset($baseType));
            $entity->setOdataResourceType($entityType);
            $this->implementProperties($entity);
            $meta->addResourceSet($entity->getClassName(), $entityType);
            $meta->oDataEntityMap[$className] = $meta->oDataEntityMap[$entityName];
        }
        $metaCount = count($meta->oDataEntityMap);
        $entityCount = count($entities);
        assert($metaCount == 2 * $entityCount + 1);

        if (null === $objectModel->getAssociations()) {
            return;
        }
        $assoc = $objectModel->getAssociations();
        $assoc = null === $assoc ? [] : $assoc;
        foreach ($assoc as $association) {
            assert($association->isOk());
            if ($association instanceof AssociationMonomorphic) {
                $this->implementAssociationsMonomorphic($objectModel, $association);
            } elseif ($association instanceof AssociationPolymorphic) {
                $this->implementAssociationsPolymorphic($objectModel, $association);
            }
        }
        if (null != self::$afterImplement) {
            $func = self::$afterImplement;
            $func($objectModel);
        }
    }

    private function implementAssociationsMonomorphic(Map $objectModel, AssociationMonomorphic $associationUnderHammer)
    {
        $meta = App::make('metadata');
        $first = $associationUnderHammer->getFirst();
        $last = $associationUnderHammer->getLast();
        switch ($associationUnderHammer->getAssociationType()) {
            case AssociationType::NULL_ONE_TO_NULL_ONE():
            case AssociationType::NULL_ONE_TO_ONE():
            case AssociationType::ONE_TO_ONE():

                $meta->addResourceReferenceSinglePropertyBidirectional(
                    $objectModel->getEntities()[$first->getBaseType()]->getOdataResourceType(),
                    $objectModel->getEntities()[$last->getBaseType()]->getOdataResourceType(),
                    $first->getRelationName(),
                    $last->getRelationName()
                );
                break;
            case AssociationType::NULL_ONE_TO_MANY():
            case AssociationType::ONE_TO_MANY():
                if ($first->getMultiplicity()->getValue() == AssociationStubRelationType::MANY) {
                    $oneSide = $last;
                    $manySide = $first;
                } else {
                    $oneSide = $first;
                    $manySide = $last;
                }
                $meta->addResourceReferencePropertyBidirectional(
                    $objectModel->getEntities()[$oneSide->getBaseType()]->getOdataResourceType(),
                    $objectModel->getEntities()[$manySide->getBaseType()]->getOdataResourceType(),
                    $oneSide->getRelationName(),
                    $manySide->getRelationName()
                );
                break;
            case AssociationType::MANY_TO_MANY():

                $meta->addResourceSetReferencePropertyBidirectional(
                    $objectModel->getEntities()[$first->getBaseType()]->getOdataResourceType(),
                    $objectModel->getEntities()[$last->getBaseType()]->getOdataResourceType(),
                    $first->getRelationName(),
                    $last->getRelationName()
                );
        }
    }

    /**
     * @param Map                    $objectModel
     * @param AssociationPolymorphic $association
     */
    private function implementAssociationsPolymorphic(Map $objectModel, AssociationPolymorphic $association)
    {
        $meta = App::make('metadata');
        $first = $association->getFirst();

        $polySet = $meta->resolveResourceSet(static::POLYMORPHIC_PLURAL);
        assert($polySet instanceof ResourceSet);

        $principalType = $objectModel->getEntities()[$first->getBaseType()]->getOdataResourceType();
        assert($principalType instanceof ResourceEntityType);
        $principalSet = $principalType->getCustomState();
        assert($principalSet instanceof ResourceSet);
        $principalProp = $first->getRelationName();
        $isPrincipalAdded = null !== $principalType->resolveProperty($principalProp);

        if (!$isPrincipalAdded) {
            if ($first->getMultiplicity()->getValue() !== AssociationStubRelationType::MANY) {
                $meta->addResourceReferenceProperty($principalType, $principalProp, $polySet);
            } else {
                $meta->addResourceSetReferenceProperty($principalType, $principalProp, $polySet);
            }
        }

        $types = $association->getAssociationType();
        $final = $association->getLast();
        $numRows = count($types);
        assert($numRows == count($final));

        for ($i = 0; $i < $numRows; $i++) {
            $type = $types[$i];
            $last = $final[$i];

            $dependentType = $objectModel->getEntities()[$last->getBaseType()]->getOdataResourceType();
            assert($dependentType instanceof ResourceEntityType);
            $dependentSet = $dependentType->getCustomState();
            assert($dependentSet instanceof ResourceSet);
            $dependentProp = $last->getRelationName();
            $isDependentAdded = null !== $dependentType->resolveProperty($dependentProp);

            switch ($type) {
                case AssociationType::NULL_ONE_TO_NULL_ONE():
                case AssociationType::NULL_ONE_TO_ONE():
                case AssociationType::ONE_TO_ONE():
                    if (!$isDependentAdded) {
                        $meta->addResourceReferenceProperty($dependentType, $dependentProp, $principalSet);
                    }
                    break;
                case AssociationType::NULL_ONE_TO_MANY():
                case AssociationType::ONE_TO_MANY():
                    if (!$isDependentAdded) {
                        $meta->addResourceSetReferenceProperty($dependentType, $dependentProp, $principalSet);
                    }
                    break;
                case AssociationType::MANY_TO_MANY():
                    if (!$isDependentAdded) {
                        $meta->addResourceSetReferenceProperty($dependentType, $dependentProp, $principalSet);
                    }
            }
        }
    }

    private function implementProperties(EntityGubbins $unifiedEntity)
    {
        $meta = App::make('metadata');
        $odataEntity = $unifiedEntity->getOdataResourceType();
        if (!$unifiedEntity->isPolymorphicAffected()) {
            foreach ($unifiedEntity->getKeyFields() as $keyField) {
                $meta->addKeyProperty($odataEntity, $keyField->getName(), $keyField->getEdmFieldType());
            }
        }
        foreach ($unifiedEntity->getFields() as $field) {
            if (in_array($field, $unifiedEntity->getKeyFields())) {
                continue;
            }
            if ($field->getPrimitiveType() == 'blob') {
                $odataEntity->setMediaLinkEntry(true);
                $streamInfo = new ResourceStreamInfo($field->getName());
                assert($odataEntity->isMediaLinkEntry());
                $odataEntity->addNamedStream($streamInfo);
                continue;
            }
            $meta->addPrimitiveProperty(
                $odataEntity,
                $field->getName(),
                $field->getEdmFieldType(),
                $field->getFieldType() == EntityFieldType::PRIMITIVE_BAG(),
                $field->getDefaultValue(),
                $field->getIsNullable()
            );
        }
    }

    /**
     * Bootstrap the application services.  Post-boot.
     *
     * @param  mixed $reset
     *
     * @return void
     */
    public function boot($reset = true)
    {
        self::$metaNAMESPACE = env('ODataMetaNamespace', 'Data');
        // If we aren't migrated, there's no DB tables to pull metadata _from_, so bail out early
        try {
            if (!Schema::hasTable(config('database.migrations'))) {
                return;
            }
        } catch (\Exception $e) {
            return;
        }

        assert(false === self::$isBooted, 'Provider booted twice');
        $isCaching = true === $this->getIsCaching();
        $meta = Cache::get('metadata');
        $hasCache = null != $meta;

        if ($isCaching && $hasCache) {
            App::instance('metadata', $meta);
            return;
        }
        $meta = App::make('metadata');
        if (false !== $reset) {
            $this->reset();
        }

        $stdRef = new \ReflectionClass(Model::class);
        $abstract = $meta->addEntityType($stdRef, static::POLYMORPHIC, true, null);
        $meta->addKeyProperty($abstract, 'PrimaryKey', TypeCode::STRING);

        $meta->addResourceSet(static::POLYMORPHIC, $abstract);

        $modelNames = $this->getCandidateModels();
        $objectModel = $this->extract($modelNames);
        $objectModel = $this->unify($objectModel);
        $this->verify($objectModel);
        $this->implement($objectModel);
        $this->completedObjectMap = $objectModel;
        $key = 'metadata';
        $this->handlePostBoot($isCaching, $hasCache, $key, $meta);
        self::$isBooted = true;
    }

    /**
     * Register the application services.  Boot-time only.
     *
     * @return void
     */
    public function register()
    {
        $this->app->singleton('metadata', function ($app) {

            return new SimpleMetadataProvider('Data', self::$metaNAMESPACE);
        });
    }

    /**
     * @return array
     */
    protected function getCandidateModels()
    {
        $classes = $this->getClassMap();
        $ends = [];
        $startName = defined('PODATA_LARAVEL_APP_ROOT_NAMESPACE') ? PODATA_LARAVEL_APP_ROOT_NAMESPACE : 'App';
        foreach ($classes as $name) {
            if (\Illuminate\Support\Str::startsWith($name, $startName)) {
                if (in_array('AlgoWeb\\PODataLaravel\\Models\\MetadataTrait', class_uses($name))) {
                    $ends[] = $name;
                }
            }
        }
        return $ends;
    }

    /**
     * @return MetadataGubbinsHolder
     */
    public function getRelationHolder()
    {
        return $this->relationHolder;
    }

    public function reset()
    {
        self::$isBooted = false;
        self::$afterExtract = null;
        self::$afterUnify = null;
        self::$afterVerify = null;
        self::$afterImplement = null;
    }

    /**
     * Resolve possible reverse relation property names.
     *
     * @param Model $source
     * @param Model $target
     * @param       $propName
     *
     * @return string|null
     */
    public function resolveReverseProperty(Model $source, Model $target, $propName)
    {
        assert(is_string($propName), 'Property name must be string');
        $entity = $this->getObjectMap()->resolveEntity(get_class($source));
        if (null === $entity) {
            $msg = 'Source model not defined';
            throw new \InvalidArgumentException($msg);
        }
        $association = $entity->resolveAssociation($propName);
        if (null === $association) {
            return null;
        }
        $isFirst = $propName === $association->getFirst()->getRelationName();
        if (!$isFirst) {
            return $association->getFirst()->getRelationName();
        }

        if ($association instanceof AssociationMonomorphic) {
            return $association->getLast()->getRelationName();
        }
        assert($association instanceof AssociationPolymorphic);

        $lasts = $association->getLast();
        foreach ($lasts as $stub) {
            if ($stub->getBaseType() == get_class($target)) {
                return $stub->getRelationName();
            }
        }
        return null;
    }
}


1		<?php
2
3		namespace AlgoWeb\PODataLaravel\Providers;
4
5		use AlgoWeb\PODataLaravel\Models\MetadataGubbinsHolder;
6		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\Association;
7		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationMonomorphic;
8		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationPolymorphic;
9		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationStubRelationType;
10		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\Associations\AssociationType;
11		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\EntityFieldType;
12		use AlgoWeb\PODataLaravel\Models\ObjectMap\Entities\EntityGubbins;
13		use AlgoWeb\PODataLaravel\Models\ObjectMap\Map;
14		use Illuminate\Database\Eloquent\Model;
15		use Illuminate\Support\Facades\App;
16		use Illuminate\Support\Facades\Cache;
17		use Illuminate\Support\Facades\Schema as Schema;
18		use POData\Providers\Metadata\ResourceEntityType;
19		use POData\Providers\Metadata\ResourceSet;
20		use POData\Providers\Metadata\ResourceStreamInfo;
21		use POData\Providers\Metadata\SimpleMetadataProvider;
22		use POData\Providers\Metadata\Type\TypeCode;
23
24		class MetadataProvider extends MetadataBaseProvider
25		{
26		protected $multConstraints = ['0..1' => ['1'], '1' => ['0..1', ''], '' => ['1', '*']];
27		protected static $metaNAMESPACE = 'Data';
28		protected static $isBooted = false;
29		const POLYMORPHIC = 'polyMorphicPlaceholder';
30		const POLYMORPHIC_PLURAL = 'polyMorphicPlaceholders';
31
32		/**
33		* @var Map The completed object map set at post Implement;
34		*/
35		private $completedObjectMap;
36
37		/**
38		* @return \AlgoWeb\PODataLaravel\Models\ObjectMap\Map
39		*/
40		public function getObjectMap()
41		{
42		return $this->completedObjectMap;
43		}
44
45		protected static $afterExtract;
46		protected static $afterUnify;
47		protected static $afterVerify;
48		protected static $afterImplement;
49
50		public static function setAfterExtract(callable $method)
51		{
52		self::$afterExtract = $method;
53		}
54
55		public static function setAfterUnify(callable $method)
56		{
57		self::$afterUnify = $method;
58		}
59
60		public static function setAfterVerify(callable $method)
61		{
62		self::$afterVerify = $method;
63		}
64
65		public static function setAfterImplement(callable $method)
66		{
67		self::$afterImplement = $method;
68		}
69
70
71		protected $relationHolder;
72
73		public function __construct($app)
74		{
75		parent::__construct($app);
76		$this->relationHolder = new MetadataGubbinsHolder();
77		self::$isBooted = false;
78		}
79
80		private function extract(array $modelNames)
81		{
82		$objectMap = new Map();
83		foreach ($modelNames as $modelName) {
84		$modelInstance = App::make($modelName);
85		$objectMap->addEntity($modelInstance->extractGubbins());
86		}
87		if (null != self::$afterExtract) {
88		$func = self::$afterExtract;
89		$func($objectMap);
90		}
91		return $objectMap;
92		}
93
94		private function unify(Map $objectMap)
95		{
96		$mgh = $this->getRelationHolder();
97		foreach ($objectMap->getEntities() as $entity) {
98		$mgh->addEntity($entity);
99		}
100		$objectMap->setAssociations($mgh->getRelations());
101		if (null != self::$afterUnify) {
102		$func = self::$afterUnify;
103		$func($objectMap);
104		}
105		return $objectMap;
106		}
107
108		private function verify(Map $objectModel)
109		{
110		$objectModel->isOK();
111		if (null != self::$afterVerify) {
112		$func = self::$afterVerify;
113		$func($objectModel);
114		}
115		}
116
117		private function implement(Map $objectModel)
118		{
119		$meta = App::make('metadata');
120		$entities = $objectModel->getEntities();
121		foreach ($entities as $entity) {
122		$baseType = $entity->isPolymorphicAffected() ? $meta->resolveResourceType('polyMorphicPlaceholder') : null;
123		$className = $entity->getClassName();
124		$entityName = $entity->getName();
125		$entityType = $meta->addEntityType(new \ReflectionClass($className), $entityName, false, $baseType);
126		assert($entityType->hasBaseType() === isset($baseType));
127		$entity->setOdataResourceType($entityType);
128		$this->implementProperties($entity);
129		$meta->addResourceSet($entity->getClassName(), $entityType);
130		$meta->oDataEntityMap[$className] = $meta->oDataEntityMap[$entityName];
131		}
132		$metaCount = count($meta->oDataEntityMap);
133		$entityCount = count($entities);
134		assert($metaCount == 2 * $entityCount + 1);
135
136		if (null === $objectModel->getAssociations()) {
137		return;
138		}
139		$assoc = $objectModel->getAssociations();
140		$assoc = null === $assoc ? [] : $assoc;
141		foreach ($assoc as $association) {
142		assert($association->isOk());
143		if ($association instanceof AssociationMonomorphic) {
144		$this->implementAssociationsMonomorphic($objectModel, $association);
145		} elseif ($association instanceof AssociationPolymorphic) {
146		$this->implementAssociationsPolymorphic($objectModel, $association);
147		}
148		}
149		if (null != self::$afterImplement) {
150		$func = self::$afterImplement;
151		$func($objectModel);
152		}
153		}
154
155		private function implementAssociationsMonomorphic(Map $objectModel, AssociationMonomorphic $associationUnderHammer)
156		{
157		$meta = App::make('metadata');
158		$first = $associationUnderHammer->getFirst();
159		$last = $associationUnderHammer->getLast();
160		switch ($associationUnderHammer->getAssociationType()) {
161		case AssociationType::NULL_ONE_TO_NULL_ONE():
162		case AssociationType::NULL_ONE_TO_ONE():
163	View Code Duplication	case AssociationType::ONE_TO_ONE():
		0 ignored issues – show Duplication introduced 2017-09-24 07:01 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
164		$meta->addResourceReferenceSinglePropertyBidirectional(
165		$objectModel->getEntities()[$first->getBaseType()]->getOdataResourceType(),
166		$objectModel->getEntities()[$last->getBaseType()]->getOdataResourceType(),
167		$first->getRelationName(),
168		$last->getRelationName()
169		);
170		break;
171		case AssociationType::NULL_ONE_TO_MANY():
172		case AssociationType::ONE_TO_MANY():
173		if ($first->getMultiplicity()->getValue() == AssociationStubRelationType::MANY) {
174		$oneSide = $last;
175		$manySide = $first;
176		} else {
177		$oneSide = $first;
178		$manySide = $last;
179		}
180		$meta->addResourceReferencePropertyBidirectional(
181		$objectModel->getEntities()[$oneSide->getBaseType()]->getOdataResourceType(),
182		$objectModel->getEntities()[$manySide->getBaseType()]->getOdataResourceType(),
183		$oneSide->getRelationName(),
184		$manySide->getRelationName()
185		);
186		break;
187	View Code Duplication	case AssociationType::MANY_TO_MANY():
		0 ignored issues – show Duplication introduced 2017-09-24 07:01 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
188		$meta->addResourceSetReferencePropertyBidirectional(
189		$objectModel->getEntities()[$first->getBaseType()]->getOdataResourceType(),
190		$objectModel->getEntities()[$last->getBaseType()]->getOdataResourceType(),
191		$first->getRelationName(),
192		$last->getRelationName()
193		);
194		}
195		}
196
197		/**
198		* @param Map $objectModel
199		* @param AssociationPolymorphic $association
200		*/
201		private function implementAssociationsPolymorphic(Map $objectModel, AssociationPolymorphic $association)
202		{
203		$meta = App::make('metadata');
204		$first = $association->getFirst();
205
206		$polySet = $meta->resolveResourceSet(static::POLYMORPHIC_PLURAL);
207		assert($polySet instanceof ResourceSet);
208
209		$principalType = $objectModel->getEntities()[$first->getBaseType()]->getOdataResourceType();
210		assert($principalType instanceof ResourceEntityType);
211		$principalSet = $principalType->getCustomState();
212		assert($principalSet instanceof ResourceSet);
213		$principalProp = $first->getRelationName();
214		$isPrincipalAdded = null !== $principalType->resolveProperty($principalProp);
215
216		if (!$isPrincipalAdded) {
217		if ($first->getMultiplicity()->getValue() !== AssociationStubRelationType::MANY) {
218		$meta->addResourceReferenceProperty($principalType, $principalProp, $polySet);
219		} else {
220		$meta->addResourceSetReferenceProperty($principalType, $principalProp, $polySet);
221		}
222		}
223
224		$types = $association->getAssociationType();
225		$final = $association->getLast();
226		$numRows = count($types);
227		assert($numRows == count($final));
228
229		for ($i = 0; $i < $numRows; $i++) {
230		$type = $types[$i];
231		$last = $final[$i];
232
233		$dependentType = $objectModel->getEntities()[$last->getBaseType()]->getOdataResourceType();
234		assert($dependentType instanceof ResourceEntityType);
235		$dependentSet = $dependentType->getCustomState();
236		assert($dependentSet instanceof ResourceSet);
237		$dependentProp = $last->getRelationName();
238		$isDependentAdded = null !== $dependentType->resolveProperty($dependentProp);
239
240		switch ($type) {
241		case AssociationType::NULL_ONE_TO_NULL_ONE():
242		case AssociationType::NULL_ONE_TO_ONE():
243		case AssociationType::ONE_TO_ONE():
244		if (!$isDependentAdded) {
245		$meta->addResourceReferenceProperty($dependentType, $dependentProp, $principalSet);
246		}
247		break;
248		case AssociationType::NULL_ONE_TO_MANY():
249		case AssociationType::ONE_TO_MANY():
250		if (!$isDependentAdded) {
251		$meta->addResourceSetReferenceProperty($dependentType, $dependentProp, $principalSet);
252		}
253		break;
254		case AssociationType::MANY_TO_MANY():
255		if (!$isDependentAdded) {
256		$meta->addResourceSetReferenceProperty($dependentType, $dependentProp, $principalSet);
257		}
258		}
259		}
260		}
261
262		private function implementProperties(EntityGubbins $unifiedEntity)
263		{
264		$meta = App::make('metadata');
265		$odataEntity = $unifiedEntity->getOdataResourceType();
266		if (!$unifiedEntity->isPolymorphicAffected()) {
267		foreach ($unifiedEntity->getKeyFields() as $keyField) {
268		$meta->addKeyProperty($odataEntity, $keyField->getName(), $keyField->getEdmFieldType());
269		}
270		}
271		foreach ($unifiedEntity->getFields() as $field) {
272		if (in_array($field, $unifiedEntity->getKeyFields())) {
273		continue;
274		}
275		if ($field->getPrimitiveType() == 'blob') {
276		$odataEntity->setMediaLinkEntry(true);
277		$streamInfo = new ResourceStreamInfo($field->getName());
278		assert($odataEntity->isMediaLinkEntry());
279		$odataEntity->addNamedStream($streamInfo);
280		continue;
281		}
282		$meta->addPrimitiveProperty(
283		$odataEntity,
284		$field->getName(),
285		$field->getEdmFieldType(),
286		$field->getFieldType() == EntityFieldType::PRIMITIVE_BAG(),
287		$field->getDefaultValue(),
288		$field->getIsNullable()
289		);
290		}
291		}
292
293		/**
294		* Bootstrap the application services. Post-boot.
295		*
296		* @param mixed $reset
297		*
298		* @return void
299		*/
300		public function boot($reset = true)
301		{
302		self::$metaNAMESPACE = env('ODataMetaNamespace', 'Data');
303		// If we aren't migrated, there's no DB tables to pull metadata _from_, so bail out early
304		try {
305		if (!Schema::hasTable(config('database.migrations'))) {
306		return;
307		}
308		} catch (\Exception $e) {
309		return;
310		}
311
312		assert(false === self::$isBooted, 'Provider booted twice');
313		$isCaching = true === $this->getIsCaching();
314		$meta = Cache::get('metadata');
315		$hasCache = null != $meta;
316
317		if ($isCaching && $hasCache) {
318		App::instance('metadata', $meta);
319		return;
320		}
321		$meta = App::make('metadata');
322		if (false !== $reset) {
323		$this->reset();
324		}
325
326		$stdRef = new \ReflectionClass(Model::class);
327		$abstract = $meta->addEntityType($stdRef, static::POLYMORPHIC, true, null);
328		$meta->addKeyProperty($abstract, 'PrimaryKey', TypeCode::STRING);
329
330		$meta->addResourceSet(static::POLYMORPHIC, $abstract);
331
332		$modelNames = $this->getCandidateModels();
333		$objectModel = $this->extract($modelNames);
334		$objectModel = $this->unify($objectModel);
335		$this->verify($objectModel);
336		$this->implement($objectModel);
337		$this->completedObjectMap = $objectModel;
338		$key = 'metadata';
339		$this->handlePostBoot($isCaching, $hasCache, $key, $meta);
340		self::$isBooted = true;
341		}
342
343		/**
344		* Register the application services. Boot-time only.
345		*
346		* @return void
347		*/
348		public function register()
349		{
350		$this->app->singleton('metadata', function ($app) {
		0 ignored issues – show Unused Code introduced 2016-11-01 11:02 UTC by Report Bug Copy Issue Report The parameter `$app` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
351		return new SimpleMetadataProvider('Data', self::$metaNAMESPACE);
352		});
353		}
354
355		/**
356		* @return array
357		*/
358		protected function getCandidateModels()
359		{
360		$classes = $this->getClassMap();
361		$ends = [];
362		$startName = defined('PODATA_LARAVEL_APP_ROOT_NAMESPACE') ? PODATA_LARAVEL_APP_ROOT_NAMESPACE : 'App';
363		foreach ($classes as $name) {
364		if (\Illuminate\Support\Str::startsWith($name, $startName)) {
365		if (in_array('AlgoWeb\\PODataLaravel\\Models\\MetadataTrait', class_uses($name))) {
366		$ends[] = $name;
367		}
368		}
369		}
370		return $ends;
371		}
372
373		/**
374		* @return MetadataGubbinsHolder
375		*/
376		public function getRelationHolder()
377		{
378		return $this->relationHolder;
379		}
380
381		public function reset()
382		{
383		self::$isBooted = false;
384		self::$afterExtract = null;
385		self::$afterUnify = null;
386		self::$afterVerify = null;
387		self::$afterImplement = null;
388		}
389
390		/**
391		* Resolve possible reverse relation property names.
392		*
393		* @param Model $source
394		* @param Model $target
395		* @param $propName
396		*
397		* @return string\|null
398		*/
399		public function resolveReverseProperty(Model $source, Model $target, $propName)
400		{
401		assert(is_string($propName), 'Property name must be string');
402		$entity = $this->getObjectMap()->resolveEntity(get_class($source));
403		if (null === $entity) {
404		$msg = 'Source model not defined';
405		throw new \InvalidArgumentException($msg);
406		}
407		$association = $entity->resolveAssociation($propName);
408		if (null === $association) {
409		return null;
410		}
411		$isFirst = $propName === $association->getFirst()->getRelationName();
412		if (!$isFirst) {
413		return $association->getFirst()->getRelationName();
414		}
415
416		if ($association instanceof AssociationMonomorphic) {
417		return $association->getLast()->getRelationName();
418		}
419		assert($association instanceof AssociationPolymorphic);
420
421		$lasts = $association->getLast();
422		foreach ($lasts as $stub) {
423		if ($stub->getBaseType() == get_class($target)) {
424		return $stub->getRelationName();
425		}
426		}
427		return null;
428		}
429		}
430

Algo-Web / POData-Laravel

Pull Request — MetadataImplementationStep (#116)

MetadataProvider::setAfterUnify() A

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