287 lines
10 KiB
PHP
287 lines
10 KiB
PHP
<?php
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namespace App\Service\common\ai;
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use App\BaseApp\BaseService;
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use App\Models\ai\AiApiKeyModel;
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use App\Models\ai\AiModelModel;
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use App\Models\ai\AiPlatformModel;
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use App\Service\common\FieldEncryptService;
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use App\Service\SystemConfigService;
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/**
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* AI 运行时配置：从系统配置 + 平台/模型/密钥表解析当前要用的供应商与明文密钥
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* 优先数据库配置；未配置时回落 env（config/ai.php）
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*/
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class AiRuntimeConfigService extends BaseService
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{
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public const CFG_PROVIDER = 'ai_active_provider';
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public const CFG_API_KEY_ID = 'ai_active_api_key_id';
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public const CFG_MODEL = 'ai_active_model';
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public function __construct()
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{
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// 工厂解析不依赖登录态
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$this->isAuth = false;
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parent::__construct();
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}
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/**
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* 解析指定供应商的调用配置
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*
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* @return array{provider:string,api_url:string,api_key:string,model:string,timeout:float,platform_id:int,api_key_id:int}
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*/
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public function resolve(?string $providerOverride = null): array
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{
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$sys = SystemConfigService::getInstance();
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$provider = strtolower(trim((string) (
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$providerOverride
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?: $sys->getValue(self::CFG_PROVIDER, '')
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?: config('ai.default_provider', 'deepseek')
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)));
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$modelOverride = trim((string) $sys->getValue(self::CFG_MODEL, ''));
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$keyId = (int) $sys->getValue(self::CFG_API_KEY_ID, '0');
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$platform = AiPlatformModel::where('code', $provider)
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->where('deleted_at', 0)
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->where('status', 1)
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->first();
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$apiUrl = '';
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$model = '';
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$apiKey = '';
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$platformId = 0;
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$timeout = 60.0;
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if ($platform) {
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$platformId = (int) $platform->id;
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$apiUrl = trim((string) $platform->api_url);
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// 模型：系统配置覆盖 → 模型表默认 → 模型表首个启用
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if ($modelOverride !== '') {
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$model = $modelOverride;
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} else {
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$defaultModel = AiModelModel::where('platform_id', $platformId)
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->where('deleted_at', 0)
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->where('status', 1)
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->where('is_default', 1)
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->value('code');
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if ($defaultModel) {
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$model = trim((string) $defaultModel);
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} else {
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$firstModel = AiModelModel::where('platform_id', $platformId)
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->where('deleted_at', 0)
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->where('status', 1)
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->orderByDesc('sort')
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->orderBy('id')
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->value('code');
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$model = trim((string) ($firstModel ?: ''));
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}
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}
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// 指定密钥优先；否则默认密钥；再否则取该平台启用中的第一条
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$keyQuery = AiApiKeyModel::where('platform_id', $platformId)
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->where('deleted_at', 0)
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->where('status', 1);
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if ($keyId > 0) {
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$keyRow = (clone $keyQuery)->where('id', $keyId)->first();
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} else {
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$keyRow = null;
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}
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if (!$keyRow) {
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$keyRow = (clone $keyQuery)->where('is_default', 1)->first()
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?: $keyQuery->orderByDesc('sort')->orderBy('id')->first();
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}
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if ($keyRow) {
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$apiKey = $this->decryptApiKey((string) $keyRow->api_key);
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$keyId = (int) $keyRow->id;
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}
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}
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// 回落 env，保证未录入密钥时仍可用旧配置
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$envCfg = config('ai.' . $provider, []);
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if ($apiUrl === '') {
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$apiUrl = (string) ($envCfg['api_url'] ?? '');
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}
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if ($model === '') {
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$model = (string) ($envCfg['model'] ?? '');
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}
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if ($apiKey === '') {
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if ($provider === 'spark') {
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$apiKey = (string) ($envCfg['password'] ?? '');
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} else {
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$apiKey = (string) ($envCfg['api_key'] ?? '');
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}
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}
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$timeout = (float) ($envCfg['timeout'] ?? 60);
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return [
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'provider' => $provider,
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'api_url' => $apiUrl,
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'api_key' => $apiKey,
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'model' => $model,
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'timeout' => $timeout,
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'platform_id' => $platformId,
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'api_key_id' => $keyId,
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];
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}
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/**
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* 库内 AES 解密 api_key；非加密串原样返回（兼容过渡）
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* 委托 FieldEncryptService，与 nl_ai_api_key 密文格式一致
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*/
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public function decryptApiKey(string $cipher): string
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{
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return FieldEncryptService::getInstance()->decryptFromStorage($cipher, true);
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}
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/**
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* 明文入库前 AES 加密
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* 委托 FieldEncryptService，写出 nl_ase_256_ 前缀密文
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*/
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public function encryptApiKey(string $plain): string
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{
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return FieldEncryptService::getInstance()->encryptForStorage($plain);
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}
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/**
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* 系统配置页：启用中的平台卡片 + 模型 + 密钥选项
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* 为什么组装成卡片结构：前端 C 端风格按平台展示，减少二次请求
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*/
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public function optionsForConfig(): array
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{
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$platforms = AiPlatformModel::where('deleted_at', 0)
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->where('status', 1)
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->orderByDesc('sort')
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->orderBy('id')
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->get()
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->toArray();
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$models = AiModelModel::where('deleted_at', 0)
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->where('status', 1)
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->orderByDesc('is_default')
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->orderByDesc('sort')
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->orderBy('id')
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->get(['id', 'platform_id', 'code', 'name', 'description', 'is_default'])
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->toArray();
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$keys = AiApiKeyModel::where('deleted_at', 0)
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->where('status', 1)
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->orderByDesc('is_default')
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->orderByDesc('sort')
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->orderBy('id')
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->get(['id', 'platform_id', 'name', 'is_default'])
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->toArray();
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$modelMap = [];
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foreach ($models as $m) {
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$pid = (int) $m['platform_id'];
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$modelMap[$pid][] = [
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'id' => (int) $m['id'],
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'label' => $m['name'] . '（' . $m['code'] . '）',
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'value' => (string) $m['code'],
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'code' => (string) $m['code'],
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'name' => (string) $m['name'],
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'description' => (string) ($m['description'] ?? ''),
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'is_default' => (int) ($m['is_default'] ?? 0),
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];
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}
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$keyMap = [];
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foreach ($keys as $k) {
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$pid = (int) $k['platform_id'];
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$name = trim((string) ($k['name'] ?? ''));
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if ($name === '') {
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$name = '密钥#' . (int) $k['id'];
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}
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$keyMap[$pid][] = [
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'id' => (int) $k['id'],
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'key_name' => $name,
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'name' => $name,
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'label' => $name,
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'value' => (int) $k['id'],
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'is_default' => (int) ($k['is_default'] ?? 0),
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];
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}
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$cards = [];
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foreach ($platforms as $p) {
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$id = (int) $p['id'];
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$platModels = $modelMap[$id] ?? [];
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$defaultModel = '';
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foreach ($platModels as $pm) {
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if ((int) $pm['is_default'] === 1) {
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$defaultModel = $pm['code'];
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break;
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}
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}
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if ($defaultModel === '' && !empty($platModels[0]['code'])) {
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$defaultModel = (string) $platModels[0]['code'];
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}
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$cards[] = [
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'id' => $id,
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'code' => $p['code'],
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'name' => $p['name'],
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'logo' => $p['logo'],
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'description' => $p['description'],
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'default_model' => $defaultModel,
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'api_url' => $p['api_url'],
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'models' => $platModels,
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'keys' => $keyMap[$id] ?? [],
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];
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}
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$sys = SystemConfigService::getInstance();
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return [
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'platforms' => $cards,
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'active' => [
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'provider' => (string) $sys->getValue(self::CFG_PROVIDER, config('ai.default_provider', 'deepseek')),
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'api_key_id' => (int) $sys->getValue(self::CFG_API_KEY_ID, '0'),
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'model' => (string) $sys->getValue(self::CFG_MODEL, ''),
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],
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];
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}
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/**
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* 保存默认运行时组合（平台 / 模型 / 密钥）
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* 为什么校验平台存在：避免写入无效编码导致代码生成 AI 调用失败
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*/
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public function saveActiveConfig(string $provider, string $model, int $apiKeyId): array
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{
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$provider = strtolower(trim($provider));
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$model = trim($model);
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if ($provider === '') {
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$this->utils->errorThrow('请选择 AI 平台');
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}
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$platform = AiPlatformModel::where('code', $provider)
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->where('deleted_at', 0)
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->where('status', 1)
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->first();
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if (!$platform) {
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$this->utils->errorThrow('AI 平台不存在或已禁用');
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}
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if ($model === '') {
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$this->utils->errorThrow('请选择模型');
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}
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$modelExists = AiModelModel::where('platform_id', (int) $platform->id)
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->where('code', $model)
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->where('deleted_at', 0)
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->where('status', 1)
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->exists();
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if (!$modelExists) {
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$this->utils->errorThrow('模型不属于当前平台或已禁用');
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}
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if ($apiKeyId > 0) {
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$keyExists = AiApiKeyModel::where('id', $apiKeyId)
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->where('platform_id', (int) $platform->id)
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->where('deleted_at', 0)
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->where('status', 1)
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->exists();
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if (!$keyExists) {
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$this->utils->errorThrow('密钥不属于当前平台或已禁用');
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}
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}
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$sys = SystemConfigService::getInstance();
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$sys->setValue(self::CFG_PROVIDER, $provider, '当前启用的 AI 平台编码');
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$sys->setValue(self::CFG_MODEL, $model, '当前启用的模型编码');
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$sys->setValue(self::CFG_API_KEY_ID, (string) $apiKeyId, '当前启用的 API 密钥 ID');
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return [
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'provider' => $provider,
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'model' => $model,
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'api_key_id' => $apiKeyId,
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];
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}
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}
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