function FieldItemNormalizer::denormalize

File

core/modules/jsonapi/src/Normalizer/FieldItemNormalizer.php, line 94

Class

FieldItemNormalizer

Converts the Drupal field item object to a JSON:API array structure.

Namespace

Code

public function denormalize($data, $class, $format = NULL, array $context = []) {
    $item_definition = $context['field_definition']->getItemDefinition();
    assert($item_definition instanceof FieldItemDataDefinitionInterface);
    $field_item = $this->getFieldItemInstance($context['resource_type'], $item_definition);
    $this->checkForSerializedStrings($data, $class, $field_item);
    $property_definitions = $item_definition->getPropertyDefinitions();
    $serialized_property_names = $this->getCustomSerializedPropertyNames($field_item);
    $denormalize_property = function ($property_name, $property_value, $property_value_class, $format, $context) use ($serialized_property_names) {
        if ($this->serializer
            ->supportsDenormalization($property_value, $property_value_class, $format, $context)) {
            return $this->serializer
                ->denormalize($property_value, $property_value_class, $format, $context);
        }
        else {
            if (in_array($property_name, $serialized_property_names, TRUE)) {
                $property_value = serialize($property_value);
            }
            return $property_value;
        }
    };
    // Because e.g. the 'bundle' entity key field requires field values to not
    // be expanded to an array of all properties, we special-case single-value
    // properties.
    if (!is_array($data)) {
        // The NULL normalization means there is no value, hence we can return
        // early. Note that this is not just an optimization but a necessity for
        // field types without main properties (such as the "map" field type).
        if ($data === NULL) {
            return $data;
        }
        $property_value = $data;
        $property_name = $item_definition->getMainPropertyName();
        $property_value_class = $property_definitions[$property_name]->getClass();
        return $denormalize_property($property_name, $property_value, $property_value_class, $format, $context);
    }
    $data_internal = [];
    if (!empty($property_definitions)) {
        $writable_properties = array_keys(array_filter($property_definitions, function (DataDefinitionInterface $data_definition) : bool {
            return !$data_definition->isReadOnly();
        }));
        $invalid_property_names = [];
        foreach ($data as $property_name => $property_value) {
            if (!isset($property_definitions[$property_name])) {
                $alt = static::getAlternatives($property_name, $writable_properties);
                $invalid_property_names[$property_name] = reset($alt);
            }
        }
        if (!empty($invalid_property_names)) {
            $suggestions = array_values(array_filter($invalid_property_names));
            // Only use the "Did you mean"-style error message if there is a
            // suggestion for every invalid property name.
            if (count($suggestions) === count($invalid_property_names)) {
                $format = count($invalid_property_names) === 1 ? "The property '%s' does not exist on the '%s' field of type '%s'. Did you mean '%s'?" : "The properties '%s' do not exist on the '%s' field of type '%s'. Did you mean '%s'?";
                throw new UnexpectedValueException(sprintf($format, implode("', '", array_keys($invalid_property_names)), $item_definition->getFieldDefinition()
                    ->getName(), $item_definition->getFieldDefinition()
                    ->getType(), implode("', '", $suggestions)));
            }
            else {
                $format = count($invalid_property_names) === 1 ? "The property '%s' does not exist on the '%s' field of type '%s'. Writable properties are: '%s'." : "The properties '%s' do not exist on the '%s' field of type '%s'. Writable properties are: '%s'.";
                throw new UnexpectedValueException(sprintf($format, implode("', '", array_keys($invalid_property_names)), $item_definition->getFieldDefinition()
                    ->getName(), $item_definition->getFieldDefinition()
                    ->getType(), implode("', '", $writable_properties)));
            }
        }
        foreach ($data as $property_name => $property_value) {
            $property_value_class = $property_definitions[$property_name]->getClass();
            $data_internal[$property_name] = $denormalize_property($property_name, $property_value, $property_value_class, $format, $context);
        }
    }
    else {
        $data_internal = $data;
    }
    return $data_internal;
}