PHP code example of t3n / graphql

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

t3n / graphql example snippets

namespace Your\Package\GraphQL\Resolver;

use Neos\Flow\Annotations as Flow;
use t3n\GraphQL\ResolverInterface;

class QueryResolver implements ResolverInterface
{
    protected $someServiceToFetchProducts;

    public function products($_, $variables): array
    {
        // return an array with products
        return $this->someServiceToFetchProducts->findAll();
    }

    public function product($_, $variables): ?Product
    {
        $id = $variables['id'];
        return $this->someServiceToFetchProducts->getProductById($id);
    }
}

namespace Your\Package\GraphQL\Resolver\Type;

use Neos\Flow\Annotations as Flow;
use t3n\GraphQL\ResolverInterface;

class ProductResolver implements ResolverInterface
{
    public function name(Product $product): array
    {
        // this is just an overload example
        return $product->getName();
    }
}

method($source, $args, $context, $info)

namespace Your\Package\GraphQL\Resolver\Type;

use t3n\GraphQL\ResolverInterface;

class PersonResolver implements ResolverInterface
{
    public function __resolveType($source): ?string
    {
        if ($source instanceof Customer) {
            return 'Customer';
        } elseif ($source instanceof Supplier) {
            return 'Supplier';
        }
        return null;
    }
}

public function status(Customer $customer): string
{
    return $customer->isActive() ? 'ACTIVE' : 'INACTIVE';
}

namespace Your\Package\GraphQL\Resolver\Type;

use DateTime;
use GraphQL\Language\AST\IntValueNode;
use GraphQL\Language\AST\Node;
use t3n\GraphQL\ResolverInterface;

class DateTimeResolver implements ResolverInterface
{
    public function serialize(DateTime $value): ?int
    {
        return $value->getTimestamp();
    }

    public function parseLiteral(Node $ast): ?DateTime
    {
        if ($ast instanceof IntValueNode) {
            $dateTime = new DateTime();
            $dateTime->setTimestamp((int)$ast->value);
            return $dateTime;
        }
        return null;
    }

    public function parseValue(int $value): DateTime
    {
        $dateTime = new DateTime();
        $dateTime->setTimestamp($value);
        return $dateTime;
    }
}

declare(strict_types=1);

namespace Your\Package\GraphQL;

use Neos\Flow\Annotations as Flow;
use Your\Package\Shop\Basket;
use t3n\GraphQL\Context as BaseContext;

class ShoppingBasketContext extends BaseContext
{
    /**
     * @Flow\Inject
     *
     * @var Basket
     */
    protected $basket;

    public function getBasket()
    {
        return $this->basket;
    }
}

namespace Your\Package\GraphQL\Resolver;

use Neos\Flow\Annotations as Flow;
use t3n\GraphQL\ResolverInterface;

class QueryResolver implements ResolverInterface
{
    protected $someServiceToFetchProducts;

    // Note the resolver method signature. The context is available as third param
    public function basket($_, $variables, ShoppingBasketContext $context): array
    {
        return $context->getBasket();
    }
}

namespace Your\Package\GraphQL\Resolver;

use Neos\Flow\Annotations as Flow;
use t3n\GraphQL\ResolverInterface;

class MutationResolver implements ResolverInterface
{
    protected $someServiceToFetchProducts;

    public function addItem($_, $variables, ShoppingBasketContext $context): Basket
    {
        // construct your item with the input (simplified, don't forget validation etc.)
        $item = new BasketItem();
        $item->setName($variables['name']);
        $item->setPrice($variables['price']);

        $basket = $context->getBasket();
        $basket->addItem($item);

        return $basket;
    }
}