ivyforms / backend / src / Controllers / Ai / GenerateFormController.php

GenerateFormController.php in The Innovative Form Builder – IvyForms 1.5.1, at backend/src/Controllers/Ai/GenerateFormController.php

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1	<?php
2
3	/**
4	* @copyright © Melograno Venture Studio. All rights reserved.
5	* @licence See LICENCE.md for license details.
6	*/
7
8	namespace IvyForms\Controllers\Ai;
9
10	use IvyForms\Common\Exceptions\InvalidArgumentException;
11	use IvyForms\Common\Exceptions\QueryExecutionException;
12	use IvyForms\Common\Exceptions\ServiceUnavailableException;
13	use IvyForms\Common\Exceptions\ValidationException;
14	use IvyForms\Common\Sanitizer\Sanitizer;
15	use IvyForms\Controllers\Controller;
16	use IvyForms\Services\Ai\AiFormGenerationService;
17	use IvyForms\Services\Translations\BackendStrings;
18	use WP_REST_Request;
19	use WP_REST_Response;
20
21	/**
22	* Handles single-pass AI form generation from a prompt.
23	*/
24	class GenerateFormController extends Controller
25	{
26	private AiFormGenerationService $aiFormGenerationService;
27
28	public function __construct(AiFormGenerationService $aiFormGenerationService)
29	{
30	$this->aiFormGenerationService = $aiFormGenerationService;
31	}
32
33	/**
34	* @param WP_REST_Request<array<string, mixed>> $data
35	*
36	* @return WP_REST_Response
37	*
38	* @throws InvalidArgumentException
39	* @throws QueryExecutionException
40	* @throws ServiceUnavailableException
41	* @throws ValidationException
42	*/
43	public function handle(WP_REST_Request $data): WP_REST_Response
44	{
45	Sanitizer::verifyNonce($data->get_header('X-WP-Nonce'));
46
47	$prompt = sanitize_textarea_field((string) ($data->get_param('prompt') ?? ''));
48	if ($prompt === '') {
49	throw new InvalidArgumentException(
50	BackendStrings::getAiStrings()['ai_prompt_required']
51	);
52	}
53
54	$form = $this->aiFormGenerationService->generateAndCreateForm($prompt);
55
56	return new WP_REST_Response($form, 200);
57	}
58	}
59