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<?php |
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|
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/** |
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* @copyright © Melograno Venture Studio. All rights reserved. |
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* @licence See LICENCE.md for license details. |
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*/ |
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|
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namespace IvyForms\Controllers\Ai; |
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|
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use IvyForms\Common\Exceptions\InvalidArgumentException; |
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use IvyForms\Common\Exceptions\ServiceUnavailableException; |
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use IvyForms\Common\Sanitizer\Sanitizer; |
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use IvyForms\Controllers\Controller; |
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use IvyForms\Services\Ai\AiChoiceGenerationService; |
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use IvyForms\Services\Translations\BackendStrings; |
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use WP_REST_Request; |
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use WP_REST_Response; |
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|
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/** |
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* Handles AI choice generation from a prompt and prior dialog exchanges. |
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*/ |
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class GenerateChoicesController extends Controller |
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{ |
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private AiChoiceGenerationService $aiChoiceGenerationService; |
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|
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public function __construct(AiChoiceGenerationService $aiChoiceGenerationService) |
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{ |
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$this->aiChoiceGenerationService = $aiChoiceGenerationService; |
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} |
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|
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/** |
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* @param WP_REST_Request<array<string, mixed>> $data |
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* |
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* @return WP_REST_Response |
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* |
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* @throws InvalidArgumentException |
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* @throws ServiceUnavailableException |
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*/ |
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public function handle(WP_REST_Request $data): WP_REST_Response |
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{ |
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Sanitizer::verifyNonce($data->get_header('X-WP-Nonce')); |
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|
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$prompt = sanitize_textarea_field((string) ($data->get_param('prompt') ?? '')); |
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if ($prompt === '') { |
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throw new InvalidArgumentException( |
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BackendStrings::getAiStrings()['ai_choices_prompt_required'] |
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); |
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} |
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|
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$fieldType = sanitize_key((string) ($data->get_param('fieldType') ?? '')); |
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$conversationHistory = $this->sanitizeConversationHistory($data->get_param('history')); |
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$choices = $this->aiChoiceGenerationService->generateChoices( |
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$prompt, |
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$fieldType, |
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$conversationHistory |
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); |
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|
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return new WP_REST_Response($choices, 200); |
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} |
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|
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/** |
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* @param mixed $history |
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* |
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* @return array<int, array<string, mixed>> |
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*/ |
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private function sanitizeConversationHistory($history): array |
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{ |
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if (!is_array($history)) { |
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return []; |
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} |
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|
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$sanitizedHistory = []; |
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foreach ($history as $turn) { |
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if (!is_array($turn)) { |
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continue; |
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} |
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|
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$sanitizedChoices = []; |
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$choices = $turn['choices'] ?? []; |
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if (is_array($choices)) { |
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foreach ($choices as $choice) { |
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if (!is_array($choice)) { |
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continue; |
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} |
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|
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$sanitizedChoices[] = [ |
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'label' => sanitize_text_field((string) ($choice['label'] ?? '')), |
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'value' => sanitize_text_field((string) ($choice['value'] ?? '')), |
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]; |
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} |
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} |
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|
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$sanitizedHistory[] = [ |
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'prompt' => sanitize_textarea_field((string) ($turn['prompt'] ?? '')), |
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'title' => sanitize_text_field((string) ($turn['title'] ?? '')), |
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'choices' => $sanitizedChoices, |
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]; |
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} |
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|
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return $sanitizedHistory; |
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} |
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} |
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|
