File Core/Schema/RequestParams/CallToolRequestParams.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\Elicitation\ElicitResult;
18:	use Nexus\Mcp\Core\Schema\MetaObject;
19:	use Nexus\Mcp\Core\Schema\MetaObject\RequestMetaObject;
20:	use Nexus\Mcp\Core\Schema\Result\InputResponse;
21:
22:	/**
23:	* Parameters for a `tools/call` request.
24:	*
25:	* @extends InputResponseRequestParams<array{
26:	* _meta: template-type<RequestMetaObject, MetaObject, 'T'>,
27:	* name: non-empty-string,
28:	* arguments?: array<array-key, mixed>,
29:	* inputResponses?: array<int\|non-empty-string, array<string, mixed>>,
30:	* requestState?: string,
31:	* }>
32:	*
33:	* @see https://modelcontextprotocol.io/specification/2026-07-28/schema#calltoolrequestparams
34:	*/
35:	final readonly class CallToolRequestParams extends InputResponseRequestParams
36:	{
37:	/**
38:	* @param non-empty-string $name
39:	* @param null\|array<array-key, mixed> $arguments
40:	* @param null\|array<int\|non-empty-string, InputResponse> $inputResponses
41:	*/
42:	public function __construct(
43:	public string $name,
44:	RequestMetaObject $meta,
45:	public ?array $arguments = null,
46:	?array $inputResponses = null,
47:	?string $requestState = null,
48:	) {
49:	Assert::that($name)->isNonEmptyString('"params.name" must be a non-empty string, {type} given.');
50:
51:	parent::__construct(inputResponses: $inputResponses, requestState: $requestState, meta: $meta);
52:	}
53:
54:	#[\Override]
55:	public static function fromArray(array $data): static
56:	{
57:	Assert::that($data)->hasOffset('name', '"params" is missing the required "name" key.');
58:	$name = $data['name'];
59:	Assert::that($name)->isNonEmptyString('"params.name" must be a non-empty string, {type} given.');
60:
61:	$arguments = null;
62:
63:	if (\array_key_exists('arguments', $data)) {
64:	Assert::that($data['arguments'])
65:	->isArray('"params.arguments" must be an object, {type} given.')
66:	;
67:	$arguments = $data['arguments'];
68:	}
69:
70:	$inputResponses = null;
71:
72:	if (\array_key_exists('inputResponses', $data)) {
73:	Assert::that($data['inputResponses'])
74:	->isArray('"params.inputResponses" must be an object, {type} given.')
75:	->keys()->isIntOrNonEmptyString('each "params.inputResponses" key must be an int or non-empty string.')
76:	;
77:	Assert::that($data['inputResponses'])
78:	->values()
79:	->isArray('each "params.inputResponses" entry must be an object, {type} given.')
80:	->isMap('each "params.inputResponses" entry must be a string-keyed object.')
81:	;
82:	$inputResponses = array_map(ElicitResult::fromArray(...), $data['inputResponses']);
83:	}
84:
85:	$requestState = null;
86:
87:	if (\array_key_exists('requestState', $data)) {
88:	Assert::that($data['requestState'])->isString('"params.requestState" must be a string, {type} given.');
89:	$requestState = $data['requestState'];
90:	}
91:
92:	Assert::that($data)->hasOffset('_meta', '"params" is missing the required "_meta" key.');
93:	Assert::that($data['_meta'])
94:	->isArray('"params._meta" must be an object, {type} given.')
95:	->not()->isNonEmptyList('"params._meta" must be a string-keyed object.')
96:	;
97:	$meta = RequestMetaObject::fromArray($data['_meta']);
98:
99:	return new self(
100:	name: $name,
101:	meta: $meta,
102:	arguments: $arguments,
103:	inputResponses: $inputResponses,
104:	requestState: $requestState,
105:	);
106:	}
107:
108:	#[\Override]
109:	public function toArray(): array
110:	{
111:	$data = [
112:	'_meta' => $this->meta->toArray(),
113:	'name' => $this->name,
114:	];
115:
116:	if (null !== $this->arguments && [] !== $this->arguments) {
117:	$data['arguments'] = $this->arguments;
118:	}
119:
120:	if (null !== $this->inputResponses) {
121:	$data['inputResponses'] = array_map(
122:	static fn(InputResponse $response): array => $response->toArray(),
123:	$this->inputResponses,
124:	);
125:	}
126:
127:	if (null !== $this->requestState) {
128:	$data['requestState'] = $this->requestState;
129:	}
130:
131:	return $data;
132:	}
133:
134:	#[\Override]
135:	public function jsonSerialize(): array
136:	{
137:	$data = parent::jsonSerialize();
138:
139:	if (null !== $this->inputResponses) {
140:	$data['inputResponses'] = array_map(
141:	static fn(InputResponse $response): array\|\stdClass => $response->jsonSerialize(),
142:	$this->inputResponses,
143:	);
144:
145:	if (array_is_list($this->inputResponses)) {
146:	$data['inputResponses'] = (object) $data['inputResponses'];
147:	}
148:	}
149:
150:	if (null !== $this->arguments && array_is_list($this->arguments) && [] !== $this->arguments) {
151:	$data['arguments'] = (object) $this->arguments;
152:	}
153:
154:	return $data;
155:	}
156:	}
157:

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