Google 日历集成

import { createAgent } from "@langchain/agents";
import { ChatOpenAI } from "@langchain/openai";
import { Calculator } from "@langchain/community/tools/calculator";
import {
  GoogleCalendarCreateTool,
  GoogleCalendarViewTool,
} from "@langchain/community/tools/google_calendar";

export async function run() {
  const model = new ChatOpenAI({
    temperature: 0,
    apiKey: process.env.OPENAI_API_KEY,
    model: "gpt-4.1-mini",
  });

  const googleCalendarParams = {
    credentials: {
      clientEmail: process.env.GOOGLE_CALENDAR_CLIENT_EMAIL,
      privateKey: process.env.GOOGLE_CALENDAR_PRIVATE_KEY,
      calendarId: process.env.GOOGLE_CALENDAR_CALENDAR_ID,
    },
    scopes: [
      "https://www.googleapis.com/auth/calendar",
      "https://www.googleapis.com/auth/calendar.events",
    ],
    model,
  };

  const tools = [
    new Calculator(),
    new GoogleCalendarCreateTool(googleCalendarParams),
    new GoogleCalendarViewTool(googleCalendarParams),
  ];

  const calendarAgent = createAgent({
    llm: model,
    tools,
  });

  const createInput = `下周五下午 4 点与 John Doe 创建一个会议，并将 99 + 99 的结果添加到议程中`;

  const createResult = await calendarAgent.invoke({
    messages: [{ role: "user", content: createInput }],
  });
  //   创建结果 {
  //     output: '已创建与 John Doe 在 9 月 29 日下午 4 点的会议，并将 99 + 99 的结果添加到了议程中。'
  //   }
  console.log("创建结果", createResult);

  const viewInput = `我这周有哪些会议？`;

  const viewResult = await calendarAgent.invoke({
    messages: [{ role: "user", content: viewInput }],
  });
  //   查看结果 {
  //     output: "您在本周上午 8 点到晚上 8 点之间没有会议。"
  //   }
  console.log("查看结果", viewResult);
}