convertkit / vendor / wordpress / php-mcp-schema / src / Client / Sampling / DTO / SamplingMessage.php

SamplingMessage.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages trunk, at vendor/wordpress/php-mcp-schema/src/Client/Sampling/DTO/SamplingMessage.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace WP\McpSchema\Client\Sampling\DTO;
6
7	use WP\McpSchema\Common\AbstractDataTransferObject;
8	use WP\McpSchema\Common\Protocol\Factory\SamplingMessageContentBlockFactory;
9	use WP\McpSchema\Common\Traits\ValidatesRequiredFields;
10
11	/**
12	* Describes a message issued to or received from an LLM API.
13	*
14	* @since 2024-11-05
15	* @last-updated 2025-11-25 (added properties: _meta; modified properties: content, role)
16	*
17	* @mcp-domain Client
18	* @mcp-subdomain Sampling
19	* @mcp-version 2025-11-25
20	*/
21	class SamplingMessage extends AbstractDataTransferObject
22	{
23	use ValidatesRequiredFields;
24
25	/**
26	* @since 2024-11-05
27	*
28	* @var 'user'\|'assistant'
29	*/
30	protected string $role;
31
32	/**
33	* @since 2024-11-05
34	*
35	* @var array<\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface\|\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface>
36	*/
37	protected array $content;
38
39	/**
40	* See [General fields: `_meta`](/specification/2025-11-25/basic/index#meta) for notes on `_meta` usage.
41	*
42	* @since 2025-11-25
43	*
44	* @var array<string, mixed>\|null
45	*/
46	protected ?array $_meta;
47
48	/**
49	* @param 'user'\|'assistant' $role @since 2024-11-05
50	* @param array<\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface\|\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface> $content @since 2024-11-05
51	* @param array<string, mixed>\|null $_meta @since 2025-11-25
52	*/
53	public function __construct(
54	string $role,
55	array $content,
56	?array $_meta = null
57	) {
58	$this->role = $role;
59	$this->content = $content;
60	$this->_meta = $_meta;
61	}
62
63	/**
64	* Creates an instance from an array.
65	*
66	* @param array{
67	* role: 'user'\|'assistant',
68	* content: array<\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface\|\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface>,
69	* _meta?: array<string, mixed>\|null
70	* } $data
71	* @phpstan-param array<string, mixed> $data
72	* @return self
73	*/
74	public static function fromArray(array $data): self
75	{
76	self::assertRequired($data, ['role', 'content']);
77
78	/** @var 'user'\|'assistant' $role */
79	$role = self::asString($data['role']);
80
81	/** @var array<\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface\|\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface> $content */
82	$content = array_map(
83	static fn($item) => is_array($item)
84	? SamplingMessageContentBlockFactory::fromArray($item)
85	: $item,
86	self::asArray($data['content'])
87	);
88
89	return new self(
90	$role,
91	$content,
92	self::asArrayOrNull($data['_meta'] ?? null)
93	);
94	}
95
96	/**
97	* Converts the instance to an array.
98	*
99	* @return array<string, mixed>
100	*/
101	public function toArray(): array
102	{
103	$result = [];
104
105	$result['role'] = $this->role;
106	$result['content'] = array_map(static fn($item) => (is_object($item) && method_exists($item, 'toArray')) ? $item->toArray() : $item, $this->content);
107	if ($this->_meta !== null) {
108	$result['_meta'] = $this->_meta;
109	}
110
111	return $result;
112	}
113
114	/**
115	* @return 'user'\|'assistant'
116	*/
117	public function getRole(): string
118	{
119	return $this->role;
120	}
121
122	/**
123	* @return array<\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface\|\WP\McpSchema\Common\Protocol\Union\SamplingMessageContentBlockInterface>
124	*/
125	public function getContent(): array
126	{
127	return $this->content;
128	}
129
130	/**
131	* @return array<string, mixed>\|null
132	*/
133	public function get_meta(): ?array
134	{
135	return $this->_meta;
136	}
137	}
138