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hasDefaultValue example

final class QueryParameterValueResolver implements ValueResolverInterface
{
    public function resolve(Request $request, ArgumentMetadata $argument): array
    {
        if (!$attribute = $argument->getAttributesOfType(MapQueryParameter::class)[0] ?? null) {
            return [];
        }

        $name = $attribute->name ?? $argument->getName();
        if (!$request->query->has($name)) {
            if ($argument->isNullable() || $argument->hasDefaultValue()) {
                return [];
            }

            throw new NotFoundHttpException(sprintf('Missing query parameter "%s".', $name));
        }

        $value = $request->query->all()[$name];
        $type = $argument->getType();

        if (null === $attribute->filter && 'array' === $type) {
            if (!$argument->isVariadic()) {

public function resolve(Request $request, ArgumentMetadata $argument): array
    {
        // with the attribute, the type can be any UserInterface implementation         // otherwise, the type must be UserInterface         if (UserInterface::class !== $argument->getType() && !$argument->getAttributesOfType(CurrentUser::class, ArgumentMetadata::IS_INSTANCEOF)) {
            return [];
        }

        if (null === $user = $this->tokenStorage->getToken()?->getUser()) {
            // if no user is present but a default value exists we use it to prevent the EntityValueResolver or others             // from attempting resolution of the User as the current logged in user was requested here             if ($argument->hasDefaultValue()) {
                return [$argument->getDefaultValue()];
            }

            if (!$argument->isNullable()) {
                throw new AccessDeniedException(sprintf('There is no logged-in user to pass to $%s, make the argument nullable if you want to allow anonymous access to the action.', $argument->getName()));
            }

            return [null];
        }

        if (null === $argument->getType() || $user instanceof ($argument->getType())) {

        $argument = new ArgumentMetadata('foo', 'string', false, true, 'default value');

        $this->assertFalse($argument->isNullable());
    }

    public function testDefaultValueAvailable()
    {
        $argument = new ArgumentMetadata('foo', 'string', false, true, 'default value', true);

        $this->assertTrue($argument->isNullable());
        $this->assertTrue($argument->hasDefaultValue());
        $this->assertSame('default value', $argument->getDefaultValue());
    }

    public function testDefaultValueUnavailable()
    {
        $this->expectException(\LogicException::class);
        $argument = new ArgumentMetadata('foo', 'string', false, false, null, false);

        $this->assertFalse($argument->isNullable());
        $this->assertFalse($argument->hasDefaultValue());
        $argument->getDefaultValue();
    }

final class DefaultValueResolver implements ArgumentValueResolverInterface, ValueResolverInterface
{
    /** * @deprecated since Symfony 6.2, use resolve() instead */
    public function supports(Request $request, ArgumentMetadata $argument): bool
    {
        @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);

        return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
    }

    public function resolve(Request $request, ArgumentMetadata $argument): array
    {
        if ($argument->hasDefaultValue()) {
            return [$argument->getDefaultValue()];
        }

        if (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()) {
            return [null];
        }

final class QueryParameterValueResolver implements ValueResolverInterface
{
    public function resolve(Request $request, ArgumentMetadata $argument): array
    {
        if (!$attribute = $argument->getAttributesOfType(MapQueryParameter::class)[0] ?? null) {
            return [];
        }

        $name = $attribute->name ?? $argument->getName();
        if (!$request->query->has($name)) {
            if ($argument->isNullable() || $argument->hasDefaultValue()) {
                return [];
            }

            throw new NotFoundHttpException(sprintf('Missing query parameter "%s".', $name));
        }

        $value = $request->query->all()[$name];

        if (null === $attribute->filter && 'array' === $argument->getType()) {
            if (!$argument->isVariadic()) {
                return [(array) $value];
            }

        $this->name = $name;
    }

    public function hasDefaultValue(): bool
    {
        return $this->addIfNotSet;
    }

    public function getDefaultValue(): mixed
    {
        if (!$this->hasDefaultValue()) {
            throw new \RuntimeException(sprintf('The node at path "%s" has no default value.', $this->getPath()));
        }

        $defaults = [];
        foreach ($this->children as $name => $child) {
            if ($child->hasDefaultValue()) {
                $defaults[$name] = $child->getDefaultValue();
            }
        }

        return $defaults;
    }

if ($key = $node->getKeyAttribute()) {
                    $rootAttributes[$key] = str_replace('-', ' ', $rootName).' '.$key;
                }

                if ($prototype instanceof PrototypedArrayNode) {
                    $prototype->setName($key ?? '');
                    $children = [$key => $prototype];
                } elseif ($prototype instanceof ArrayNode) {
                    $children = $prototype->getChildren();
                } else {
                    if ($prototype->hasDefaultValue()) {
                        $prototypeValue = $prototype->getDefaultValue();
                    } else {
                        $prototypeValue = match ($prototype::class) {
                            ScalarNode::class => 'scalar value',
                            FloatNode::class,
                            IntegerNode::class => 'numeric value',
                            BooleanNode::class => 'true|false',
                            EnumNode::class => $prototype->getPermissibleValues('|'),
                            default => 'value',
                        };
                    }
                }

        $class->addMethod($node->getName(), $body, [
            'PROPERTY' => $property->getName(),
            'COMMENT' => $comment,
            'DEFAULT' => $node->hasDefaultValue() ? ' = '.var_export($node->getDefaultValue(), true) : '',
        ]);
    }

    private function handlePrototypedArrayNode(PrototypedArrayNode $node, ClassBuilder $class, string $namespace): void
    {
        $name = $this->getSingularName($node);
        $prototype = $node->getPrototype();
        $methodName = $name;
        $hasNormalizationClosures = $this->hasNormalizationClosures($node) || $this->hasNormalizationClosures($prototype);

        $nodeParameterTypes = $this->getParameterTypes($node);

$normalized = $node->normalize($children);

        $expected = [];
        $expected['item_name'] = ['id' => 'item_name', 'foo' => 'bar'];
        $this->assertEquals($expected, $normalized);
    }

    public function testAddDefaultChildren()
    {
        $node = $this->getPrototypeNodeWithDefaultChildren();
        $node->setAddChildrenIfNoneSet();
        $this->assertTrue($node->hasDefaultValue());
        $this->assertEquals([['foo' => 'bar']], $node->getDefaultValue());

        $node = $this->getPrototypeNodeWithDefaultChildren();
        $node->setKeyAttribute('foobar');
        $node->setAddChildrenIfNoneSet();
        $this->assertTrue($node->hasDefaultValue());
        $this->assertEquals(['defaults' => ['foo' => 'bar']], $node->getDefaultValue());

        $node = $this->getPrototypeNodeWithDefaultChildren();
        $node->setKeyAttribute('foobar');
        $node->setAddChildrenIfNoneSet('defaultkey');

            } else {
                try {
                    $payload = $this->$payloadMapper($request, $type, $argument);
                } catch (PartialDenormalizationException $e) {
                    throw new HttpException($validationFailedCode, implode("\n", array_map(static fn ($e) => $e->getMessage(), $e->getErrors())), $e);
                }
            }

            if (null === $payload) {
                $payload = match (true) {
                    $argument->metadata->hasDefaultValue() => $argument->metadata->getDefaultValue(),
                    $argument->metadata->isNullable() => null,
                    default => throw new HttpException($validationFailedCode)
                };
            }

            $arguments[$i] = $payload;
        }

        $event->setArguments($arguments);
    }

$this->defaultChildren = \is_int($children) && $children > 0 ? range(1, $children) : (array) $children;
        }
    }

    /** * The default value could be either explicited or derived from the prototype * default value. */
    public function getDefaultValue(): mixed
    {
        if (null !== $this->defaultChildren) {
            $default = $this->prototype->hasDefaultValue() ? $this->prototype->getDefaultValue() : [];
            $defaults = [];
            foreach (array_values($this->defaultChildren) as $i => $name) {
                $defaults[null === $this->keyAttribute ? $i : $name] = $default;
            }

            return $defaults;
        }

        return $this->defaultValue;
    }

        // defaults         if ($node instanceof ArrayNode) {
            $children = $node->getChildren();

            if ($node instanceof PrototypedArrayNode) {
                $children = $this->getPrototypeChildren($node);
            }

            if (!$children) {
                if ($node->hasDefaultValue() && \count($defaultArray = $node->getDefaultValue())) {
                    $default = '';
                } elseif (!\is_array($example)) {
                    $default = '[]';
                }
            }
        } elseif ($node instanceof EnumNode) {
            $comments[] = 'One of '.$node->getPermissibleValues('; ');
            $default = $node->hasDefaultValue() ? Inline::dump($node->getDefaultValue()) : '~';
        } elseif (VariableNode::class === $node::class && \is_array($example)) {
            // If there is an array example, we are sure we dont need to print a default value             $default = '';
        }