Function POST

app/api/generate/route.ts:17–397

(req: NextRequest)

}

export async function POST(req: NextRequest) {
  let query = "";
  let settings: ModelSettings | null = null;
  let conversationHistory: Message[] = [];
  
  try {
    // 1. Parse request body and retrieve model settings
    try {
      const body = await req.json();
      query = body.query || "";
      conversationHistory = body.conversationHistory || [];
      
      if (body.settings) {
        settings = body.settings as ModelSettings;
      } else if (req.headers.get("x-api-key")) {
        // Backward compatibility for old API key handling
        settings = {
          provider: "openai",
          baseURL: "https://api.openai.com/v1", // Standard OpenAI base URL
          model: "gpt-4o", 
          apiKey: req.headers.get("x-api-key") || "",
          temperature: 0.7,
        };
      }
      
      if (!settings || !settings.apiKey || !settings.baseURL || !settings.model) {
        return NextResponse.json(
          {
            text: "模型配置不完整或无效。请检查您的 AI 模型设置（API密钥、BaseURL、模型名称）。",
            locations: [],
            error: true,
          },
          { status: 401 }, // Unauthorized
        );
      }
    } catch (error) {
      console.error("解析请求体时出错:", error);
      return NextResponse.json(
        {
          text: "无效的请求体。请提供有效的查询。",
          locations: [],
          error: true,
        },
        { status: 400 }, // Bad Request
      );
    }

    if (!query) {
      return NextResponse.json(
        {
          text: "缺少查询参数。请提供有效的查询。",
          locations: [],
          error: true,
        },
        { status: 400 }, // Bad Request
      );
    }