imagify / vendor / wordpress / php-mcp-schema / src / Server / Prompts / DTO / PromptMessage.php

PromptMessage.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF trunk, at vendor/wordpress/php-mcp-schema/src/Server/Prompts/DTO/PromptMessage.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace WP\McpSchema\Server\Prompts\DTO;
6
7	use WP\McpSchema\Common\AbstractDataTransferObject;
8	use WP\McpSchema\Common\Protocol\Factory\ContentBlockFactory;
9	use WP\McpSchema\Common\Protocol\Union\ContentBlockInterface;
10	use WP\McpSchema\Common\Traits\ValidatesRequiredFields;
11
12	/**
13	* Describes a message returned as part of a prompt.
14	*
15	* This is similar to `SamplingMessage`, but also supports the embedding of
16	* resources from the MCP server.
17	*
18	* @since 2024-11-05
19	* @last-updated 2025-11-25 (modified properties: content, role)
20	*
21	* @mcp-domain Server
22	* @mcp-subdomain Prompts
23	* @mcp-version 2025-11-25
24	*/
25	class PromptMessage extends AbstractDataTransferObject
26	{
27	use ValidatesRequiredFields;
28
29	/**
30	* @since 2024-11-05
31	*
32	* @var 'user'\|'assistant'
33	*/
34	protected string $role;
35
36	/**
37	* @since 2024-11-05
38	*
39	* @var \WP\McpSchema\Common\Protocol\Union\ContentBlockInterface
40	*/
41	protected ContentBlockInterface $content;
42
43	/**
44	* @param 'user'\|'assistant' $role @since 2024-11-05
45	* @param \WP\McpSchema\Common\Protocol\Union\ContentBlockInterface $content @since 2024-11-05
46	*/
47	public function __construct(
48	string $role,
49	ContentBlockInterface $content
50	) {
51	$this->role = $role;
52	$this->content = $content;
53	}
54
55	/**
56	* Creates an instance from an array.
57	*
58	* @param array{
59	* role: 'user'\|'assistant',
60	* content: array<string, mixed>\|\WP\McpSchema\Common\Protocol\Union\ContentBlockInterface
61	* } $data
62	* @phpstan-param array<string, mixed> $data
63	* @return self
64	*/
65	public static function fromArray(array $data): self
66	{
67	self::assertRequired($data, ['role', 'content']);
68
69	/** @var 'user'\|'assistant' $role */
70	$role = self::asString($data['role']);
71
72	/** @var \WP\McpSchema\Common\Protocol\Union\ContentBlockInterface $content */
73	$content = is_array($data['content'])
74	? ContentBlockFactory::fromArray(self::asArray($data['content']))
75	: $data['content'];
76
77	return new self(
78	$role,
79	$content
80	);
81	}
82
83	/**
84	* Converts the instance to an array.
85	*
86	* @return array<string, mixed>
87	*/
88	public function toArray(): array
89	{
90	$result = [];
91
92	$result['role'] = $this->role;
93	$result['content'] = $this->content->toArray();
94
95	return $result;
96	}
97
98	/**
99	* @return 'user'\|'assistant'
100	*/
101	public function getRole(): string
102	{
103	return $this->role;
104	}
105
106	/**
107	* @return \WP\McpSchema\Common\Protocol\Union\ContentBlockInterface
108	*/
109	public function getContent(): ContentBlockInterface
110	{
111	return $this->content;
112	}
113	}
114