SingleFieldSubscription.php — WooCommerce 10.9.3

woocommerce / lib / packages / GraphQL / Validator / Rules / SingleFieldSubscription.php

woocommerce / lib / packages / GraphQL / Validator / Rules Last commit date

SingleFieldSubscription.php

45 lines

1	<?php declare(strict_types=1);
2
3	namespace Automattic\WooCommerce\Vendor\GraphQL\Validator\Rules;
4
5	use Automattic\WooCommerce\Vendor\GraphQL\Error\Error;
6	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\NodeKind;
7	use Automattic\WooCommerce\Vendor\GraphQL\Language\AST\OperationDefinitionNode;
8	use Automattic\WooCommerce\Vendor\GraphQL\Language\Visitor;
9	use Automattic\WooCommerce\Vendor\GraphQL\Language\VisitorOperation;
10	use Automattic\WooCommerce\Vendor\GraphQL\Validator\QueryValidationContext;
11
12	class SingleFieldSubscription extends ValidationRule
13	{
14	public function getVisitor(QueryValidationContext $context): array
15	{
16	return [
17	NodeKind::OPERATION_DEFINITION => static function (OperationDefinitionNode $node) use ($context): VisitorOperation {
18	if ($node->operation === 'subscription') {
19	$selections = $node->selectionSet->selections;
20
21	if (count($selections) > 1) {
22	$offendingSelections = $selections->splice(1, count($selections));
23
24	$context->reportError(new Error(
25	static::multipleFieldsInOperation($node->name->value ?? null),
26	$offendingSelections
27	));
28	}
29	}
30
31	return Visitor::skipNode();
32	},
33	];
34	}
35
36	public static function multipleFieldsInOperation(?string $operationName): string
37	{
38	if ($operationName === null) {
39	return 'Anonymous Subscription must select only one top level field.';
40	}
41
42	return "Subscription \"{$operationName}\" must select only one top level field.";
43	}
44	}
45