File Core/Schema/RequestParams/SubscriptionsListenRequestParams.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Core\Schema\RequestParams;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\Arrayable;
18:	use Nexus\Mcp\Core\Schema\RequestMetaObject;
19:	use Nexus\Mcp\Core\Schema\RequestParams;
20:	use Nexus\Mcp\Core\Schema\SubscriptionFilter;
21:
22:	/**
23:	* Parameters for a `subscriptions/listen` request.
24:	*
25:	* @extends RequestParams<array{
26:	* _meta: template-type<RequestMetaObject, Arrayable, 'T'>,
27:	* notifications: template-type<SubscriptionFilter, Arrayable, 'T'>,
28:	* }>
29:	*
30:	* @see https://modelcontextprotocol.io/specification/draft/schema#subscriptionslistenrequestparams
31:	*/
32:	final readonly class SubscriptionsListenRequestParams extends RequestParams
33:	{
34:	public function __construct(public SubscriptionFilter $notifications, RequestMetaObject $meta)
35:	{
36:	parent::__construct(meta: $meta);
37:	}
38:
39:	#[\Override]
40:	public static function fromArray(array $data): static
41:	{
42:	Assert::that($data)->hasOffset('notifications', '"params" is missing the required "notifications" key.');
43:	Assert::that($data['notifications'])
44:	->isArray('"params.notifications" must be an object, {type} given.')
45:	->isMap('"params.notifications" must be a string-keyed object.')
46:	;
47:	$notifications = SubscriptionFilter::fromArray($data['notifications']);
48:
49:	Assert::that($data)->hasOffset('_meta', '"params" is missing the required "_meta" key.');
50:	Assert::that($data['_meta'])
51:	->isArray('"params._meta" must be an object, {type} given.')
52:	->isMap('"params._meta" must be a string-keyed object.')
53:	;
54:	$meta = RequestMetaObject::fromArray($data['_meta']);
55:
56:	return new self(notifications: $notifications, meta: $meta);
57:	}
58:
59:	#[\Override]
60:	public function toArray(): array
61:	{
62:	return [
63:	'_meta' => $this->meta->toArray(),
64:	'notifications' => $this->notifications->toArray(),
65:	];
66:	}
67:
68:	#[\Override]
69:	public function jsonSerialize(): array
70:	{
71:	$data = parent::jsonSerialize();
72:	$data['notifications'] = $this->notifications->jsonSerialize();
73:
74:	return $data;
75:	}
76:	}
77:

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