File Core/Schema/Task/Task.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\Task;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\Arrayable;
18:	use Nexus\Mcp\Core\Schema\Enum\TaskStatus;
19:	use Nexus\Mcp\Core\Validation\EnumValueValidator;
20:	use Nexus\Mcp\Core\Validation\Iso8601DateTimeValidator;
21:
22:	/**
23:	* Data associated with a task.
24:	*
25:	* @implements Arrayable<array{
26:	* taskId: non-empty-string,
27:	* status: value-of<TaskStatus>,
28:	* createdAt: non-empty-string,
29:	* lastUpdatedAt: non-empty-string,
30:	* ttl: null\|int,
31:	* statusMessage?: non-empty-string,
32:	* pollInterval?: int,
33:	* }>
34:	*
35:	* @see https://modelcontextprotocol.io/specification/2025-11-25/schema#task
36:	*/
37:	final readonly class Task implements Arrayable
38:	{
39:	/**
40:	* @var non-empty-string
41:	*/
42:	public string $taskId;
43:
44:	public \DateTimeImmutable $createdAt;
45:	public \DateTimeImmutable $lastUpdatedAt;
46:
47:	/**
48:	* @var null\|non-empty-string
49:	*/
50:	public ?string $statusMessage;
51:
52:	public function __construct(
53:	string $taskId,
54:	public TaskStatus $status,
55:	string $createdAt,
56:	string $lastUpdatedAt,
57:	public ?int $ttl,
58:	?string $statusMessage = null,
59:	public ?int $pollInterval = null,
60:	) {
61:	Assert::that($taskId)->isNonEmptyString('task "taskId" must be a non-empty string.');
62:	Assert::that($statusMessage)->nullOr()->isNonEmptyString('task "statusMessage" must be a non-empty string or null.');
63:	Assert::that($ttl)->nullOr()->isNaturalInt('task "ttl" must be a non-negative integer or null.');
64:	Assert::that($pollInterval)->nullOr()->isNaturalInt('task "pollInterval" must be a non-negative integer or null.');
65:
66:	$this->taskId = $taskId;
67:	$this->createdAt = Iso8601DateTimeValidator::parse($createdAt, 'task "createdAt"');
68:	$this->lastUpdatedAt = Iso8601DateTimeValidator::parse($lastUpdatedAt, 'task "lastUpdatedAt"');
69:	$this->statusMessage = $statusMessage;
70:	}
71:
72:	/**
73:	* @param array<string, mixed> $data
74:	*/
75:	#[\Override]
76:	public static function fromArray(array $data): static
77:	{
78:	Assert::that($data)->hasOffset('taskId', 'task missing the required "taskId" key.');
79:	$taskId = $data['taskId'];
80:	Assert::that($taskId)->isString('task "taskId" must be a string, {type} given.');
81:
82:	Assert::that($data)->hasOffset('status', 'task missing the required "status" key.');
83:	$status = EnumValueValidator::parse(TaskStatus::class, $data['status'], 'task "status"');
84:
85:	Assert::that($data)->hasOffset('createdAt', 'task missing the required "createdAt" key.');
86:	$createdAt = $data['createdAt'];
87:	Assert::that($createdAt)->isString('task "createdAt" must be a string, {type} given.');
88:
89:	Assert::that($data)->hasOffset('lastUpdatedAt', 'task missing the required "lastUpdatedAt" key.');
90:	$lastUpdatedAt = $data['lastUpdatedAt'];
91:	Assert::that($lastUpdatedAt)->isString('task "lastUpdatedAt" must be a string, {type} given.');
92:
93:	Assert::that($data)->hasOffset('ttl', 'task missing the required "ttl" key.');
94:	$ttl = $data['ttl'];
95:	Assert::that($ttl)->nullOr()->isInt('task "ttl" must be an int or null, {type} given.');
96:
97:	$statusMessage = $data['statusMessage'] ?? null;
98:	Assert::that($statusMessage)->nullOr()->isString('task "statusMessage" must be a string or null, {type} given.');
99:
100:	$pollInterval = $data['pollInterval'] ?? null;
101:	Assert::that($pollInterval)->nullOr()->isInt('task "pollInterval" must be an int or null, {type} given.');
102:
103:	return new self($taskId, $status, $createdAt, $lastUpdatedAt, $ttl, $statusMessage, $pollInterval);
104:	}
105:
106:	#[\Override]
107:	public function toArray(): array
108:	{
109:	$data = [
110:	'taskId' => $this->taskId,
111:	'status' => $this->status->value,
112:	'createdAt' => Iso8601DateTimeValidator::format($this->createdAt),
113:	'lastUpdatedAt' => Iso8601DateTimeValidator::format($this->lastUpdatedAt),
114:	'ttl' => $this->ttl,
115:	];
116:
117:	if (null !== $this->statusMessage) {
118:	$data['statusMessage'] = $this->statusMessage;
119:	}
120:
121:	if (null !== $this->pollInterval) {
122:	$data['pollInterval'] = $this->pollInterval;
123:	}
124:
125:	return $data;
126:	}
127:
128:	#[\Override]
129:	public function jsonSerialize(): array
130:	{
131:	return $this->toArray();
132:	}
133:	}
134:

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