Files
cal.diy/apps/ai/src/utils/agent.ts
T
DexterStorey dfccf4604f fix: better timezones and error handling in ai tools (#11085)
* current time in user timezone, let ai handle 401

* update agent.ts

* simple onboarding for non cal.com users

* reverting this line - unecessary

* v1.0.1
2023-09-05 13:56:26 +01:00

74 lines
2.7 KiB
TypeScript

import { initializeAgentExecutorWithOptions } from "langchain/agents";
import { ChatOpenAI } from "langchain/chat_models/openai";
import { env } from "../env.mjs";
import createBookingIfAvailable from "../tools/createBookingIfAvailable";
import deleteBooking from "../tools/deleteBooking";
import getAvailability from "../tools/getAvailability";
import getBookings from "../tools/getBookings";
import updateBooking from "../tools/updateBooking";
import type { EventType } from "../types/eventType";
import type { User } from "../types/user";
import type { WorkingHours } from "../types/workingHours";
import now from "./now";
const gptModel = "gpt-4";
/**
* Core of the Cal AI booking agent: a LangChain Agent Executor.
* Uses a toolchain to book meetings, list available slots, etc.
* Uses OpenAI functions to better enforce JSON-parsable output from the LLM.
*/
const agent = async (input: string, user: User, apiKey: string, userId: number) => {
const tools = [
createBookingIfAvailable(apiKey, userId),
getAvailability(apiKey, userId),
getBookings(apiKey, userId),
updateBooking(apiKey, userId),
deleteBooking(apiKey),
];
const model = new ChatOpenAI({
modelName: gptModel,
openAIApiKey: env.OPENAI_API_KEY,
temperature: 0,
});
/**
* Initialize the agent executor with arguments.
*/
const executor = await initializeAgentExecutorWithOptions(tools, model, {
agentArgs: {
prefix: `You are Cal AI - a bleeding edge scheduling assistant that interfaces via email.
Make sure your final answers are definitive, complete and well formatted.
Sometimes, tools return errors. In this case, try to handle the error intelligently or ask the user for more information.
Tools will always handle times in UTC, but times sent to the user should be formatted per that user's timezone.
The current time in the user's timezone is: ${now(user.timeZone)}
The user's time zone is: ${user.timeZone}
The user's event types are: ${user.eventTypes
.map((e: EventType) => `ID: ${e.id}, Title: ${e.title}, Length: ${e.length}`)
.join("\n")}
The user's working hours are: ${user.workingHours
.map(
(w: WorkingHours) =>
`Days: ${w.days.join(", ")}, Start Time (minutes in UTC): ${
w.startTime
}, End Time (minutes in UTC): ${w.endTime}`
)
.join("\n")}
`,
},
agentType: "openai-functions",
returnIntermediateSteps: env.NODE_ENV === "development",
verbose: env.NODE_ENV === "development",
});
const result = await executor.call({ input });
const { output } = result;
return output;
};
export default agent;