02cb582d6c
- 29 个 PHP 文件添加 declare(strict_types=1) - CHANGELOG 补全 2.5.0、3.0.0、3.1.0、3.2.0、3.2.1 版本记录 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
110 lines
3 KiB
PHP
110 lines
3 KiB
PHP
<?php
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/**
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* Flux (Black Forest Labs) Image Provider
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*
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* @package WPMind
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* @since 2.4.0
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*/
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declare(strict_types=1);
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namespace WPMind\Providers\Image;
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defined( 'ABSPATH' ) || exit;
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/**
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* Flux Image Provider (via Fal.ai)
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*/
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class FluxImageProvider extends AbstractImageProvider {
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protected string $id = 'flux';
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protected string $name = 'Flux.1 / Flux.2';
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protected string $base_url = 'https://fal.run/fal-ai/';
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protected array $models = [ 'flux-pro', 'flux-dev', 'flux-schnell' ];
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/**
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* {@inheritdoc}
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*/
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protected function getHeaders(): array {
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return [
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'Content-Type' => 'application/json',
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'Authorization' => 'Key ' . $this->api_key,
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];
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}
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/**
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* {@inheritdoc}
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*/
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public function generate( string $prompt, array $options = [] ): array {
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$model = $options['model'] ?? 'flux-pro';
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$size = $options['size'] ?? '1024x1024';
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// 解析尺寸
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$dimensions = explode( 'x', $size );
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$width = (int) ( $dimensions[0] ?? 1024 );
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$height = (int) ( $dimensions[1] ?? 1024 );
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$response = wp_remote_post( $this->base_url . $model, [
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'timeout' => $this->timeout,
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'headers' => $this->getHeaders(),
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'body' => wp_json_encode( [
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'prompt' => $prompt,
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'image_size' => [
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'width' => $width,
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'height' => $height,
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],
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'num_images' => $options['n'] ?? 1,
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] ),
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] );
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if ( is_wp_error( $response ) ) {
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return [
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'success' => false,
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'error' => $response->get_error_message(),
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];
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}
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$body = json_decode( wp_remote_retrieve_body( $response ), true );
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$urls = array_column( $body['images'] ?? [], 'url' );
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if ( empty( $urls ) ) {
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return [
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'success' => false,
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'error' => $body['detail'] ?? '生成失败',
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];
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}
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return [
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'success' => true,
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'urls' => $urls,
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'url' => $urls[0] ?? '',
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];
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}
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/**
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* {@inheritdoc}
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*/
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public function testConnection(): array {
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// Fal.ai 没有 models 端点，直接测试简单请求
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$response = wp_remote_get( 'https://api.fal.ai/v1/apps', [
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'timeout' => 30,
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'headers' => $this->getHeaders(),
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] );
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if ( is_wp_error( $response ) ) {
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return [ 'success' => false, 'message' => $response->get_error_message() ];
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}
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$status = wp_remote_retrieve_response_code( $response );
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if ( $status === 200 ) {
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return [ 'success' => true, 'message' => '连接成功' ];
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}
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if ( $status === 401 ) {
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return [ 'success' => false, 'message' => 'API Key 无效' ];
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}
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return [ 'success' => false, 'message' => '连接失败 (HTTP ' . $status . ')' ];
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}
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}
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