Doctrine\ODM\MongoDB\Persisters\PersistenceBuilder::prepareEmbeddedDocumentValue()

Complexity

Conditions	22
Paths	397

Size

Total Lines

101

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	42
CRAP Score	22.1436

Importance

Changes

0

<?php
    public function prepareEmbeddedDocumentValue(array $embeddedMapping, $embeddedDocument, $includeNestedCollections = false)
    {
        $embeddedDocumentValue = [];
        $class                 = $this->dm->getClassMetadata(get_class($embeddedDocument));

        foreach ($class->fieldMappings as $mapping) {
            // Skip notSaved fields
            if (! empty($mapping['notSaved'])) {
                continue;
            }

            // Inline ClassMetadata::getFieldValue()
            $rawValue = $class->reflFields[$mapping['fieldName']]->getValue($embeddedDocument);

            $value = null;

            if ($rawValue !== null) {
                switch ($mapping['association'] ?? null) {
                    // @Field, @String, @Date, etc.
                    case null:
                        $value = Type::getType($mapping['type'])->convertToDatabaseValue($rawValue);
                        break;

                    case ClassMetadata::EMBED_ONE:
                    case ClassMetadata::REFERENCE_ONE:
                        // Nested collections should only be included for embedded relationships
                        $value = $this->prepareAssociatedDocumentValue($mapping, $rawValue, $includeNestedCollections && isset($mapping['embedded']));
                        break;

                    case ClassMetadata::EMBED_MANY:
                    case ClassMetadata::REFERENCE_MANY:
                        // Skip PersistentCollections already scheduled for deletion
                        if (! $includeNestedCollections && $rawValue instanceof PersistentCollectionInterface
                            && $this->uow->isCollectionScheduledForDeletion($rawValue)) {
                            break;
                        }

                        $value = $this->prepareAssociatedCollectionValue($rawValue, $includeNestedCollections);
                        break;

                    default:
                        throw new UnexpectedValueException('Unsupported mapping association: ' . $mapping['association']);
                }
            }

            // Omit non-nullable fields that would have a null value
            if ($value === null && $mapping['nullable'] === false) {
                continue;
            }

            $embeddedDocumentValue[$mapping['name']] = $value;
        }

        /* Add a discriminator value if the embedded document is not mapped
         * explicitly to a targetDocument class.
         */
        if (! isset($embeddedMapping['targetDocument'])) {
            $discriminatorField = $embeddedMapping['discriminatorField'];
            if (! empty($embeddedMapping['discriminatorMap'])) {
                $discriminatorValue = array_search($class->name, $embeddedMapping['discriminatorMap']);

                if ($discriminatorValue === false) {
                    throw MappingException::unlistedClassInDiscriminatorMap($class->name);
                }
            } else {
                $discriminatorValue = $class->name;
            }

            $embeddedDocumentValue[$discriminatorField] = $discriminatorValue;
        }

        /* If the class has a discriminator (field and value), use it. A child
         * class that is not defined in the discriminator map may only have a
         * discriminator field and no value, so default to the full class name.
         */
        if (isset($class->discriminatorField)) {
            $discriminatorValue = $class->discriminatorValue;

            if ($discriminatorValue === null) {
                if (! empty($class->discriminatorMap)) {
                    throw MappingException::unlistedClassInDiscriminatorMap($class->name);
                }

                $discriminatorValue = $class->name;
            }

            $embeddedDocumentValue[$class->discriminatorField] = $discriminatorValue;
        }

        // Ensure empty embedded documents are stored as BSON objects
        if (empty($embeddedDocumentValue)) {
            return (object) $embeddedDocumentValue;
        }

        /* @todo Consider always casting the return value to an object, or
         * building $embeddedDocumentValue as an object instead of an array, to
         * handle the edge case where all database field names are sequential,
         * numeric keys.
         */
        return $embeddedDocumentValue;
    }