File Core/Schema/RequestParams/PaginatedRequestParams.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\Cursor;
18:	use Nexus\Mcp\Core\Schema\RequestMetaObject;
19:	use Nexus\Mcp\Core\Schema\RequestParams;
20:
21:	/**
22:	* Common parameters for paginated requests.
23:	*
24:	* @see https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/schema/2025-11-25/schema.ts
25:	*/
26:	final readonly class PaginatedRequestParams extends RequestParams
27:	{
28:	public function __construct(public ?Cursor $cursor = null, RequestMetaObject $meta = new RequestMetaObject())
29:	{
30:	parent::__construct($meta);
31:	}
32:
33:	/**
34:	* @param array<string, mixed> $data
35:	*/
36:	#[\Override]
37:	public static function fromArray(array $data): static
38:	{
39:	$cursor = null;
40:
41:	if (\array_key_exists('cursor', $data)) {
42:	$raw = $data['cursor'];
43:	Assert::that($raw)->isString('"params.cursor" must be a string, {type} given.');
44:	$cursor = new Cursor($raw);
45:	}
46:
47:	$meta = new RequestMetaObject();
48:
49:	if (\array_key_exists('_meta', $data)) {
50:	Assert::that($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:
57:	return new self($cursor, $meta);
58:	}
59:
60:	#[\Override]
61:	public function toArray(): array
62:	{
63:	$data = parent::toArray();
64:
65:	if (null !== $this->cursor) {
66:	$data['cursor'] = $this->cursor->cursor;
67:	}
68:
69:	return $data;
70:	}
71:
72:	#[\Override]
73:	public function jsonSerialize(): array
74:	{
75:	return $this->toArray();
76:	}
77:	}
78:

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