520 lines
21 KiB
TypeScript
520 lines
21 KiB
TypeScript
import "server-only";
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import { createOpenAI } from "@ai-sdk/openai";
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import {
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extractReasoningMiddleware,
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wrapLanguageModel,
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type LanguageModel,
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} from "ai";
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import {
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getEnabledAiModelsWithProvider,
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getAiProviderById,
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getAiModelById,
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} from "@/lib/db/queries";
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import type { AiProvider } from "@/lib/db/schema";
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import { createLocalQwen } from "./providers/local-qwen";
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import { createGeminiImage } from "./providers/gemini-image";
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import { createHuankeGemini } from "./providers/huanke-gemini";
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import { createQianwenVideo } from "./providers/qianwen-video";
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import { createVolcanoVision } from "./providers/volcano-vision";
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import { createAlibabaImage } from "./providers/alibaba-image";
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import { createBflImage } from "./providers/bfl-image";
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import { createRuxaImage } from "./providers/ruxa-image";
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import { createFalImage } from "./providers/fal-image";
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import { createOpenAIImage } from "./providers/openai-image";
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import { createMidjourney } from "./providers/midjourney";
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import { createFalVideo } from "./providers/fal-video";
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import { createRuxaVideo } from "./providers/ruxa-video";
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import { createRunway } from "./providers/runway";
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import { createKrea } from "./providers/krea";
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import { createVolcanoMultimodal } from "./providers/volcano-multimodal";
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import { getProviderDefaultBaseUrl } from "./provider-defaults";
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import {
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createMoonshotKimiFetch,
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isMoonshotOfficialBaseUrl,
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} from "./detail-agent-kimi-profile";
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// 缓存已创建的 provider 实例
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const providerCache = new Map<string, any>();
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function isVolcanoMultimodalBaseUrl(baseUrl?: string | null) {
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if (!baseUrl) return false;
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return /ark\.cn-beijing\.volces\.com/i.test(baseUrl);
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}
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function getOpenAICompatibleFetch(baseUrl?: string | null) {
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return isMoonshotOfficialBaseUrl(baseUrl) ? createMoonshotKimiFetch() : undefined;
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}
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/**
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* 根据提供商类型创建对应的 AI Provider 实例
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* 不同供应商使用OpenAI兼容的API格式，但可能有细微差异
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*
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* 支持的供应商类型：
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* - alibaba: 阿里云 DashScope (通义千问等)
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* - openai: 官方 OpenAI API
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* - custom: OpenAI兼容的第三方API (GPT-5 Nano、其他兼容服务等)
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*/
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function getOrCreateProvider(provider: Pick<AiProvider, "id" | "type" | "baseUrl" | "apiKey">) {
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const resolvedBaseUrl =
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provider.baseUrl?.trim() || getProviderDefaultBaseUrl(provider.type) || "";
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const cacheKey = `${provider.id}-${resolvedBaseUrl}`;
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if (providerCache.has(cacheKey)) {
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return providerCache.get(cacheKey);
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}
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let providerInstance: ReturnType<typeof createOpenAI>;
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// 根据供应商类型创建不同的配置
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// 虽然都使用 createOpenAI，但通过 baseURL 和 apiKey 的不同来区分不同供应商
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switch (provider.type) {
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case "alibaba": {
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// 阿里云 DashScope API 配置
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// 阿里云提供 OpenAI 兼容的接口：https://dashscope.aliyuncs.com/compatible-mode/v1
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providerInstance = createOpenAI({
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apiKey: provider.apiKey,
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baseURL: resolvedBaseUrl,
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fetch: getOpenAICompatibleFetch(resolvedBaseUrl),
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});
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console.log(`[Provider] Created Alibaba DashScope provider: ${resolvedBaseUrl}`);
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break;
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}
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case "openai": {
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// 标准 OpenAI API 配置
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// 官方 API 地址：https://api.openai.com/v1
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providerInstance = createOpenAI({
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apiKey: provider.apiKey,
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baseURL: resolvedBaseUrl || "https://api.openai.com/v1",
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fetch: getOpenAICompatibleFetch(resolvedBaseUrl),
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});
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console.log(`[Provider] Created OpenAI provider: ${resolvedBaseUrl || "https://api.openai.com/v1"}`);
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break;
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}
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case "zhipu": {
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providerInstance = createOpenAI({
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apiKey: provider.apiKey,
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baseURL: resolvedBaseUrl || "https://open.bigmodel.cn/api/paas/v4",
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fetch: getOpenAICompatibleFetch(resolvedBaseUrl),
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});
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console.log(
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`[Provider] Created Zhipu Open Platform provider: ${resolvedBaseUrl || "https://open.bigmodel.cn/api/paas/v4"}`
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);
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break;
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}
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case "local": {
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// 本地部署的模型（如千问2.5-VL）
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// 使用自定义的本地模型接口，不兼容 OpenAI 格式
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// 本地模型不使用缓存，因为类型不兼容 OpenAIProvider
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const localProvider = createLocalQwen({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created local model provider: ${resolvedBaseUrl}`);
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return localProvider as any;
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}
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case "gemini": {
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// Gemini 图像生成中转服务
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// 使用特殊的响应格式处理（Markdown + inline_data）
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const geminiProvider = createGeminiImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Gemini image generation provider: ${resolvedBaseUrl}`);
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return geminiProvider as any;
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}
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case "huanke-gemini": {
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// 环科 Gemini 原生格式 API
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// 使用 /v1beta/models/{model}:generateContent 端点
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const huankeGeminiProvider = createHuankeGemini({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Huanke Gemini image generation provider: ${resolvedBaseUrl}`);
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return huankeGeminiProvider as any;
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}
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case "qianwen-video": {
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// 千问视频生成服务（通义万相 I2V）
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// 支持图片转视频功能，异步任务轮询
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const qianwenVideoProvider = createQianwenVideo({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Qianwen video generation provider: ${resolvedBaseUrl}`);
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return qianwenVideoProvider as any;
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}
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case "doubao-video": {
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providerInstance = createOpenAI({
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apiKey: provider.apiKey,
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baseURL: resolvedBaseUrl || "https://ark.cn-beijing.volces.com/api/v3",
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fetch: getOpenAICompatibleFetch(resolvedBaseUrl),
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});
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console.log(
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`[Provider] Created Doubao video provider: ${resolvedBaseUrl || "https://ark.cn-beijing.volces.com/api/v3"}`
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);
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break;
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}
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case "fal-video": {
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// FAL 视频生成服务（Kling O3 等）
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const falVideoProvider = createFalVideo({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Fal Video generation provider: ${resolvedBaseUrl}`);
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return falVideoProvider as any;
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}
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case "ruxa-video": {
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// RUXA 视频生成服务（Veo 3.1）
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const ruxaVideoProvider = createRuxaVideo({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Ruxa Video generation provider: ${resolvedBaseUrl}`);
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return ruxaVideoProvider as any;
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}
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case "volcano-vision": {
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// 火山引擎视觉图片生成服务（Seedream）
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// 支持文生图、图生图、多图融合等功能
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const volcanoVisionProvider = createVolcanoVision({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Volcano Vision image generation provider: ${resolvedBaseUrl}`);
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return volcanoVisionProvider as any;
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}
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case "alibaba-image": {
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// 阿里云千问图片生成/编辑服务
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// 支持 qwen-image-edit-plus（1-6张输出）和 qwen-image-edit（1张输出）
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const alibabaImageProvider = createAlibabaImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Alibaba Image generation provider: ${resolvedBaseUrl}`);
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return alibabaImageProvider as any;
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}
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case "bfl-image": {
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const bflImageProvider = createBflImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created BFL Image generation provider: ${resolvedBaseUrl}`);
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return bflImageProvider as any;
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}
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case "ruxa-image": {
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// RUXA 图片编辑服务
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const ruxaImageProvider = createRuxaImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Ruxa Image generation provider: ${resolvedBaseUrl}`);
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return ruxaImageProvider as any;
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}
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case "fal-image": {
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// FAL 图片编辑服务（Nano Banana Pro）
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const falImageProvider = createFalImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Fal Image generation provider: ${resolvedBaseUrl}`);
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return falImageProvider as any;
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}
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case "openai-image": {
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const openAIImageProvider = createOpenAIImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created OpenAI Image generation provider: ${resolvedBaseUrl}`);
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return openAIImageProvider as any;
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}
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case "midjourney": {
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const midjourneyProvider = createMidjourney({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Midjourney generation provider: ${resolvedBaseUrl}`);
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return midjourneyProvider as any;
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}
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case "runway": {
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const runwayProvider = createRunway({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Runway provider: ${resolvedBaseUrl}`);
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return runwayProvider as any;
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}
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case "krea": {
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const kreaProvider = createKrea({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(`[Provider] Created Krea provider: ${resolvedBaseUrl}`);
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return kreaProvider as any;
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}
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case "custom":
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default: {
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if (isVolcanoMultimodalBaseUrl(resolvedBaseUrl)) {
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const volcanoMultimodalProvider = createVolcanoMultimodal({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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console.log(
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`[Provider] Created Volcano Multimodal provider via Responses API: ${resolvedBaseUrl}`
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);
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return volcanoMultimodalProvider as any;
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}
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// OpenAI 兼容的第三方 API（如 GPT-5 Nano、Claude via OpenAI proxy 等）
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// 这些服务提供与 OpenAI API 完全兼容的接口
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// 请求格式遵循 OpenAI Chat Completions 标准：/v1/chat/completions
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providerInstance = createOpenAI({
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apiKey: provider.apiKey,
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baseURL: resolvedBaseUrl || provider.baseUrl,
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fetch: getOpenAICompatibleFetch(resolvedBaseUrl || provider.baseUrl),
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});
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console.log(
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`[Provider] Created custom OpenAI-compatible provider: ${resolvedBaseUrl || provider.baseUrl}`
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);
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break;
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}
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}
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providerCache.set(cacheKey, providerInstance);
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return providerInstance;
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}
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// 获取动态配置的语言模型
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export async function getDynamicModel(
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modelId: string,
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overrideModelId?: string | null
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): Promise<LanguageModel | null> {
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try {
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const model = await getAiModelById({ id: modelId });
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if (!model || !model.isEnabled) {
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console.warn(`[getDynamicModel] Model ${modelId} not found or disabled`);
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return null;
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}
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const provider = await getAiProviderById({ id: model.providerId });
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if (!provider || !provider.isEnabled) {
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console.warn(`[getDynamicModel] Provider for model ${modelId} not found or disabled`);
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return null;
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}
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// 根据供应商类型创建对应的 provider 实例
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const providerInstance = getOrCreateProvider({
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id: provider.id,
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type: provider.type,
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baseUrl: provider.baseUrl,
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apiKey: provider.apiKey,
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});
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if (!providerInstance) {
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console.error(`[getDynamicModel] Failed to create provider instance for ${provider.type}`);
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return null;
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}
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const resolvedModelId = String(overrideModelId || "").trim() || model.modelId;
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// 创建基础模型
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console.log(`[getDynamicModel] Creating model: ${resolvedModelId} (${model.displayName}) using provider: ${provider.name} (${provider.type})`);
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// 根据 provider 类型选择正确的方法和模型ID
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// customProvider (gemini, local) 使用 .languageModel()
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// OpenAI-compatible 使用 .chat()
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let baseModel;
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if (provider.type === "gemini") {
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// Gemini 图片生成使用 chat() 方法（与 local-qwen 相同的调用方式）
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console.log("[getDynamicModel] Getting Gemini chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Gemini model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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console.log("[getDynamicModel] Gemini model type:", typeof baseModel); // 调试
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console.log("[getDynamicModel] Gemini model keys:", baseModel ? Object.keys(baseModel).join(', ') : 'N/A'); // 调试
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} else if (provider.type === "local") {
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// 本地模型使用 chat() 方法
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console.log("[getDynamicModel] Getting local chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Local model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "qianwen-video") {
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// 千问视频生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Qianwen Video chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Qianwen Video model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "fal-video") {
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// FAL 视频生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Fal Video chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Fal Video model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "ruxa-video") {
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// RUXA 视频生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Ruxa Video chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Ruxa Video model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "volcano-vision") {
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// 火山引擎视觉生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Volcano Vision chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Volcano Vision model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "alibaba-image") {
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// 阿里云千问图片生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Alibaba Image chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Alibaba Image model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "bfl-image") {
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console.log("[getDynamicModel] Getting BFL Image chat model...");
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] BFL Image model retrieved:", baseModel ? "success" : "failed");
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} else if (provider.type === "ruxa-image") {
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// RUXA 图片编辑生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Ruxa Image chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Ruxa Image model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "fal-image") {
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// FAL 图片编辑生成使用 chat() 方法
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console.log("[getDynamicModel] Getting Fal Image chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Fal Image model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "openai-image") {
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// OpenAI Images 兼容图片生成/编辑使用 chat() 方法
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console.log("[getDynamicModel] Getting OpenAI Image chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] OpenAI Image model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "midjourney") {
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console.log("[getDynamicModel] Getting Midjourney chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Midjourney model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "runway") {
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console.log("[getDynamicModel] Getting Runway chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Runway model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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} else if (provider.type === "krea") {
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console.log("[getDynamicModel] Getting Krea chat model...");
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Krea model retrieved:", baseModel ? "success" : "failed");
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} else if (provider.type === "huanke-gemini") {
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// 环科 Gemini 原生格式使用 chat() 方法
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console.log("[getDynamicModel] Getting Huanke Gemini chat model..."); // 调试日志
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baseModel = providerInstance.chat(resolvedModelId);
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console.log("[getDynamicModel] Huanke Gemini model retrieved:", baseModel ? "success" : "failed"); // 调试日志
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console.log("[getDynamicModel] Huanke Gemini model type:", typeof baseModel); // 调试
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console.log("[getDynamicModel] Huanke Gemini model keys:", baseModel ? Object.keys(baseModel).join(', ') : 'N/A'); // 调试
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} else {
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// OpenAI-compatible providers
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console.log("[getDynamicModel] Getting OpenAI-compatible model..."); // 调试日志
|
||
baseModel = (providerInstance as any).chat(resolvedModelId);
|
||
console.log("[getDynamicModel] OpenAI model retrieved:", baseModel ? "success" : "failed"); // 调试日志
|
||
}
|
||
|
||
// 如果模型名称包含特定关键词，可以添加推理中间件
|
||
// 例如，为推理模型添加思考过程提取
|
||
if (model.displayName.toLowerCase().includes("reasoning") ||
|
||
model.displayName.toLowerCase().includes("推理")) {
|
||
console.log("[getDynamicModel] Applying reasoning middleware..."); // 调试日志
|
||
return wrapLanguageModel({
|
||
model: baseModel,
|
||
middleware: extractReasoningMiddleware({ tagName: "think" }),
|
||
});
|
||
}
|
||
|
||
console.log("[getDynamicModel] Returning base model"); // 调试日志
|
||
return baseModel;
|
||
} catch (error) {
|
||
console.error("[getDynamicModel] Failed to get dynamic model:", error);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
// 通过模型的数据库 ID 获取语言模型实例
|
||
export async function getLanguageModelById(
|
||
modelId: string,
|
||
overrideModelId?: string | null
|
||
): Promise<LanguageModel | null> {
|
||
return getDynamicModel(modelId, overrideModelId);
|
||
}
|
||
|
||
// 获取所有可用的模型列表（用于前端展示）
|
||
export async function getAvailableModels() {
|
||
try {
|
||
const modelsWithProvider = await getEnabledAiModelsWithProvider();
|
||
return modelsWithProvider.map(({ model, provider }) => ({
|
||
id: model.id,
|
||
modelId: model.modelId,
|
||
displayName: model.displayName,
|
||
description: model.description,
|
||
supportsVision: model.supportsVision,
|
||
supportsImageGen: model.supportsImageGen,
|
||
isDefault: model.isDefault,
|
||
providerName: provider.name,
|
||
providerType: provider.type,
|
||
}));
|
||
} catch (error) {
|
||
console.error("Failed to get available models:", error);
|
||
return [];
|
||
}
|
||
}
|
||
|
||
// 获取系统模型（标题生成、文档生成等）
|
||
// 这些模型使用数据库中标记为默认的模型，如果没有则回退到环境变量配置
|
||
export async function getSystemModel(
|
||
purpose: "title" | "artifact"
|
||
): Promise<LanguageModel | null> {
|
||
try {
|
||
// 首先尝试从数据库获取默认模型
|
||
const modelsWithProvider = await getEnabledAiModelsWithProvider();
|
||
|
||
// 找到默认模型
|
||
const defaultModelData = modelsWithProvider.find(
|
||
({ model }) => model.isDefault
|
||
);
|
||
|
||
if (defaultModelData) {
|
||
const { model, provider } = defaultModelData;
|
||
console.log(`[getSystemModel] Using default model for ${purpose}: ${model.displayName} (${provider.name})`);
|
||
|
||
const providerInstance = getOrCreateProvider({
|
||
id: provider.id,
|
||
type: provider.type,
|
||
baseUrl: provider.baseUrl,
|
||
apiKey: provider.apiKey,
|
||
});
|
||
|
||
if (providerInstance) {
|
||
return providerInstance.chat(model.modelId);
|
||
}
|
||
}
|
||
|
||
// 如果没有找到数据库配置，回退到环境变量配置
|
||
console.warn(`[getSystemModel] No default model found in database for ${purpose}, falling back to env config`);
|
||
if (process.env.DASHSCOPE_API_KEY && process.env.DASHSCOPE_BASE_URL) {
|
||
const fallbackProvider = createOpenAI({
|
||
apiKey: process.env.DASHSCOPE_API_KEY,
|
||
baseURL: process.env.DASHSCOPE_BASE_URL,
|
||
});
|
||
return fallbackProvider.chat("qwen-turbo");
|
||
}
|
||
|
||
console.error(`[getSystemModel] No model configuration found for ${purpose}`);
|
||
return null;
|
||
} catch (error) {
|
||
console.error(`[getSystemModel] Failed to get system model for ${purpose}:`, error);
|
||
return null;
|
||
}
|
||
}
|