File Core/Schema/NotificationParams/LoggingMessageNotificationParams.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\NotificationParams;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\Enum\LoggingLevel;
18:	use Nexus\Mcp\Core\Schema\MetaObject;
19:	use Nexus\Mcp\Core\Schema\NotificationParams;
20:	use Nexus\Mcp\Core\Validation\EnumValueValidator;
21:
22:	/**
23:	* Parameters for a `notifications/message` notification.
24:	*
25:	* @see https://modelcontextprotocol.io/specification/2025-11-25/schema#loggingmessagenotificationparams
26:	*/
27:	final readonly class LoggingMessageNotificationParams extends NotificationParams
28:	{
29:	public function __construct(
30:	public LoggingLevel $level,
31:	public mixed $data,
32:	public ?string $logger = null,
33:	MetaObject $meta = new MetaObject(),
34:	) {
35:	parent::__construct($meta);
36:	}
37:
38:	/**
39:	* @param array<string, mixed> $data
40:	*/
41:	#[\Override]
42:	public static function fromArray(array $data): static
43:	{
44:	Assert::that($data)->hasOffset('level', 'missing the required "level" key.');
45:	$level = EnumValueValidator::parse(LoggingLevel::class, $data['level'], '"params.level"');
46:
47:	Assert::that($data)->hasOffset('data', 'missing the required "data" key.');
48:
49:	$logger = $data['logger'] ?? null;
50:	Assert::that($logger)->nullOr()->isString('"params.logger" must be a string or null, {type} given.');
51:
52:	$meta = new MetaObject();
53:
54:	if (\array_key_exists('_meta', $data)) {
55:	Assert::that($data['_meta'])
56:	->isArray('"params._meta" must be an object, {type} given.')
57:	->isMap('"params._meta" must be a string-keyed object.')
58:	;
59:	$meta = MetaObject::fromArray($data['_meta']);
60:	}
61:
62:	return new self($level, $data['data'], $logger, $meta);
63:	}
64:
65:	#[\Override]
66:	public function toArray(): array
67:	{
68:	$data = [
69:	...parent::toArray(),
70:	'level' => $this->level->value,
71:	'data' => $this->data,
72:	];
73:
74:	if (null !== $this->logger) {
75:	$data['logger'] = $this->logger;
76:	}
77:
78:	return $data;
79:	}
80:
81:	#[\Override]
82:	public function jsonSerialize(): array
83:	{
84:	return $this->toArray();
85:	}
86:	}
87:

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