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<?php |
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|
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namespace FluentSupport\App\Services\Integrations\AI; |
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|
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use WP_Error; |
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|
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abstract class BaseAIProvider |
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{ |
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protected $apiKey; |
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protected $model; |
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|
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public function __construct(string $apiKey, string $model) |
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{ |
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$this->apiKey = $apiKey; |
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$this->model = $model; |
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} |
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|
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abstract public function getProviderName(): string; |
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|
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abstract public function getAvailableModels(): array; |
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|
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/** |
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* @param int $ticketId |
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* @param string $prompt |
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* @param array $messages |
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* @return string|WP_Error |
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*/ |
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abstract public function generateResponse(int $ticketId, string $prompt, array $messages = []); |
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|
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public function streamResponse(int $ticketId, string $prompt, array $messages = []): void |
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{ |
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$content = $this->generateResponse($ticketId, $prompt, $messages); |
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|
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if (is_wp_error($content)) { |
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echo 'data: ' . wp_json_encode(['error' => $content->get_error_message()]) . "\n\n"; |
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flush(); |
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return; |
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} |
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|
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echo 'data: ' . wp_json_encode(['choices' => [['delta' => ['content' => $content]]]]) . "\n\n"; |
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echo "data: [DONE]\n\n"; |
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flush(); |
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} |
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|
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|
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/** |
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* @return array|WP_Error |
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*/ |
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protected function sendRequest(string $url, array $payload, array $headers) |
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{ |
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$timeout = apply_filters('fs_ai_request_timeout', 60); |
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$response = wp_remote_post($url, [ |
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'headers' => array_merge(['Content-Type' => 'application/json'], $headers), |
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'body' => wp_json_encode($payload), |
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'timeout' => $timeout, |
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]); |
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|
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if (is_wp_error($response)) { |
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return $response; |
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} |
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|
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$code = wp_remote_retrieve_response_code($response); |
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$body = json_decode(wp_remote_retrieve_body($response), true) ?? []; |
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|
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if ($code !== 200) { |
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return new WP_Error($code, $this->extractErrorMessage($body)); |
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} |
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|
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return $body; |
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} |
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|
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protected function fireSuccessAction(int $ticketId, string $prompt, int $tokens): void |
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{ |
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do_action('fluent_support/ai_response_success', $ticketId, $prompt, $tokens, $this->getProviderName()); |
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} |
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|
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protected function extractErrorMessage(array $body): string |
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{ |
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return $body['error']['message'] |
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?? $body['message'] |
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?? __('Unknown error occurred.', 'fluent-support'); |
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} |
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} |
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|
