642 lines
22 KiB
TypeScript
642 lines
22 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 { createLogger } from "@/lib/observability/logger";
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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 { createSnapgenImage } from "./providers/snapgen-image";
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import { createOpenAIImage } from "./providers/openai-image";
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import { createBananaImage } from "./providers/bananaimage";
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import { createVisionary } from "./providers/visionary";
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import { createAtlasCloud } from "./providers/atlascloud";
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import { createVip98k } from "./providers/vip98k";
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import { createStepfunImage } from "./providers/stepfun-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 { createBltcyVideo } from "./providers/bltcy-video";
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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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import { isBltcyVideoBaseUrl } from "./bltcy-video-models";
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import { resolveModelRuntimeId } from "./model-runtime";
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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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const logger = createLogger("dynamic-provider");
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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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function logProviderCreated(providerType: string, baseUrl?: string | null) {
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logger.debug("provider created", { providerType, baseUrl });
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}
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function logChatModelResult(providerType: string, baseModel: unknown) {
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logger.debug("chat model resolved", {
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providerType,
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success: Boolean(baseModel),
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modelType: typeof baseModel,
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modelKeyCount:
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baseModel && typeof baseModel === "object" ? Object.keys(baseModel).length : 0,
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});
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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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logProviderCreated("alibaba", 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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logProviderCreated(
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"openai",
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resolvedBaseUrl || "https://api.openai.com/v1"
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);
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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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logProviderCreated(
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"zhipu",
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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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logProviderCreated("local", 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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logProviderCreated("gemini", resolvedBaseUrl);
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return geminiProvider as any;
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}
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case "grsai-gpt-image": {
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const grsaiGptImageProvider = createGeminiImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("grsai-gpt-image", resolvedBaseUrl);
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return grsaiGptImageProvider as any;
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}
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case "grsai-video": {
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logger.warn("provider adapter unavailable", {
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providerType: "grsai-video",
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baseUrl: resolvedBaseUrl,
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});
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return null;
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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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logProviderCreated("huanke-gemini", 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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logProviderCreated("qianwen-video", 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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logProviderCreated(
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"doubao-video",
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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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logProviderCreated("fal-video", 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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logProviderCreated("ruxa-video", 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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logProviderCreated("volcano-vision", 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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logProviderCreated("alibaba-image", 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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logProviderCreated("bfl-image", 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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logProviderCreated("ruxa-image", 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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logProviderCreated("fal-image", resolvedBaseUrl);
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return falImageProvider as any;
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}
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case "snapgen-image": {
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const snapgenImageProvider = createSnapgenImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("snapgen-image", resolvedBaseUrl);
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return snapgenImageProvider 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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logProviderCreated("openai-image", resolvedBaseUrl);
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return openAIImageProvider as any;
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}
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case "bananaimage": {
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const bananaImageProvider = createBananaImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("bananaimage", resolvedBaseUrl);
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return bananaImageProvider as any;
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}
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case "visionary": {
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const visionaryProvider = createVisionary({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("visionary", resolvedBaseUrl);
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return visionaryProvider as any;
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}
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case "atlascloud": {
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const atlasCloudProvider = createAtlasCloud({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("atlascloud", resolvedBaseUrl);
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return atlasCloudProvider as any;
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}
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case "vip98k": {
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const vip98kProvider = createVip98k({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("vip98k", resolvedBaseUrl);
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return vip98kProvider as any;
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}
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case "stepfun-image": {
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const stepfunImageProvider = createStepfunImage({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("stepfun-image", resolvedBaseUrl);
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return stepfunImageProvider 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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logProviderCreated("midjourney", 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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logProviderCreated("runway", 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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logProviderCreated("krea", 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 (isBltcyVideoBaseUrl(resolvedBaseUrl)) {
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const bltcyVideoProvider = createBltcyVideo({
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baseURL: resolvedBaseUrl,
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apiKey: provider.apiKey,
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});
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logProviderCreated("bltcy-video", resolvedBaseUrl);
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return bltcyVideoProvider as any;
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}
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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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logProviderCreated("volcano-multimodal", resolvedBaseUrl);
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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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logProviderCreated("custom", resolvedBaseUrl || provider.baseUrl);
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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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logger.warn("model unavailable", { modelId });
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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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logger.warn("provider unavailable", { modelId, providerId: model.providerId });
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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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logger.error("provider instance creation failed", {
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providerType: provider.type,
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});
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return null;
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}
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const resolvedModelId = resolveModelRuntimeId(model, {
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overrideModelId,
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providerType: provider.type,
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});
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// 创建基础模型
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logger.debug("model creation started", {
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modelId,
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resolvedModelId,
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providerId: provider.id,
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providerType: provider.type,
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});
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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" || provider.type === "grsai-gpt-image") {
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const imageProviderLabel = provider.type === "grsai-gpt-image" ? "Grsai GPT Image" : "Gemini image";
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// 图片生成 provider 使用 chat() 方法（与 local-qwen 相同的调用方式）
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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult(imageProviderLabel, baseModel);
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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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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("local", baseModel);
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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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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("qianwen-video", baseModel);
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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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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("fal-video", baseModel);
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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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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("ruxa-video", baseModel);
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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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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("volcano-vision", baseModel);
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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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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("alibaba-image", baseModel);
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} else if (provider.type === "bfl-image") {
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baseModel = providerInstance.chat(resolvedModelId);
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logChatModelResult("bfl-image", baseModel);
|
||
} else if (provider.type === "ruxa-image") {
|
||
// RUXA 图片编辑生成使用 chat() 方法
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("ruxa-image", baseModel);
|
||
} else if (provider.type === "fal-image") {
|
||
// FAL 图片编辑生成使用 chat() 方法
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("fal-image", baseModel);
|
||
} else if (provider.type === "snapgen-image") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("snapgen-image", baseModel);
|
||
} else if (provider.type === "openai-image") {
|
||
// OpenAI Images 兼容图片生成/编辑使用 chat() 方法
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("openai-image", baseModel);
|
||
} else if (provider.type === "bananaimage") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("bananaimage", baseModel);
|
||
} else if (provider.type === "visionary") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("visionary", baseModel);
|
||
} else if (provider.type === "atlascloud") {
|
||
baseModel = providerInstance.chat(resolvedModelId, model.imageGenConfig || null);
|
||
logChatModelResult("atlascloud", baseModel);
|
||
} else if (provider.type === "vip98k") {
|
||
baseModel = providerInstance.chat(resolvedModelId, {
|
||
capabilities: model.capabilities || null,
|
||
imageGenConfig: model.imageGenConfig || null,
|
||
});
|
||
logChatModelResult("vip98k", baseModel);
|
||
} else if (provider.type === "stepfun-image") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("stepfun-image", baseModel);
|
||
} else if (provider.type === "midjourney") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("midjourney", baseModel);
|
||
} else if (provider.type === "runway") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("runway", baseModel);
|
||
} else if (provider.type === "krea") {
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("krea", baseModel);
|
||
} else if (provider.type === "huanke-gemini") {
|
||
// 环科 Gemini 原生格式使用 chat() 方法
|
||
baseModel = providerInstance.chat(resolvedModelId);
|
||
logChatModelResult("huanke-gemini", baseModel);
|
||
} else {
|
||
// OpenAI-compatible providers
|
||
baseModel = (providerInstance as any).chat(resolvedModelId);
|
||
logChatModelResult("openai-compatible", baseModel);
|
||
}
|
||
|
||
// 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")) {
|
||
logger.debug("reasoning middleware applied", { modelId, resolvedModelId });
|
||
return wrapLanguageModel({
|
||
model: baseModel,
|
||
middleware: extractReasoningMiddleware({ tagName: "think" }),
|
||
});
|
||
}
|
||
|
||
logger.debug("base model returned", { modelId, resolvedModelId });
|
||
return baseModel;
|
||
} catch (error) {
|
||
logger.error("dynamic model resolution failed", error, { modelId });
|
||
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) {
|
||
logger.error("available models load failed", 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;
|
||
logger.debug("system model default selected", {
|
||
purpose,
|
||
modelId: model.id,
|
||
providerId: provider.id,
|
||
providerType: provider.type,
|
||
});
|
||
|
||
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
|
||
logger.warn("system model default missing, using env fallback", { purpose });
|
||
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");
|
||
}
|
||
|
||
logger.error("system model configuration missing", { purpose });
|
||
return null;
|
||
} catch (error) {
|
||
logger.error("system model resolution failed", error, { purpose });
|
||
return null;
|
||
}
|
||
}
|