yougitai-secure-showcase/src/AI/GeminiProvider.phpPHP
<?php
namespace YougitAI\SecureShowcase\AI;
use YougitAI\SecureShowcase\Security\SecretVault;
use WP_Error;
final class GeminiProvider implements ProviderInterface {
public function is_configured(): bool { return $this->api_key() !== ''; }
private function api_key(): string {
$stored = trim( (string) get_option( 'yougitai_ss_gemini_api_key', '' ) );
if ( $stored === '' ) return '';
return ( str_starts_with( $stored, 'sodium:' ) || str_starts_with( $stored, 'openssl:' ) ) ? SecretVault::decrypt( $stored ) : $stored;
}
public function analyze_file( string $path, string $content, array $context = [] ) {
$api_key = $this->api_key();
if ( $api_key === '' ) return new WP_Error( 'yougitai_ai_not_configured', __( 'The AI provider is not configured.', 'yougitai-secure-showcase' ) );
$model = sanitize_text_field( (string) get_option( 'yougitai_ss_gemini_model', 'gemini-3.8-flash' ) );
$profile = sanitize_key( (string) ( $context['profile'] ?? 'balanced' ) );
$payload_content = mb_substr( $content, 0, ReviewSchema::max_chars() );
$endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . rawurlencode( $model ) . ':generateContent';
$response = wp_remote_post( $endpoint, [
'timeout' => 45,
'headers' => [ 'x-goog-api-key' => $api_key, 'Content-Type' => 'application/json' ],
'body' => wp_json_encode( [
'systemInstruction' => [ 'parts' => [ [ 'text' => ReviewSchema::system_prompt() ] ] ],
'contents' => [ [ 'role' => 'user', 'parts' => [ [ 'text' => ReviewSchema::user_prompt( $path, $payload_content, $profile ) ] ] ] ],
'generationConfig' => [
'responseMimeType' => 'application/json',
'responseSchema' => ReviewSchema::json_schema(),
],
] ),
] );
if ( is_wp_error( $response ) ) return $response;
$code = wp_remote_retrieve_response_code( $response );
$body = json_decode( wp_remote_retrieve_body( $response ), true );
if ( $code < 200 || $code >= 300 ) {
$message = $body['error']['message'] ?? __( 'AI analysis failed.', 'yougitai-secure-showcase' );
return new WP_Error( 'yougitai_ai_error', sanitize_text_field( $message ), [ 'status' => $code ] );
}
$text = '';
foreach ( (array) ( $body['candidates'][0]['content']['parts'] ?? [] ) as $part ) {
if ( isset( $part['text'] ) ) $text .= (string) $part['text'];
}
$normalized = ReviewSchema::normalize( json_decode( trim( $text ), true ) );
return $normalized ?? new WP_Error( 'yougitai_ai_invalid_response', __( 'The AI provider returned an invalid review response.', 'yougitai-secure-showcase' ) );
}
}