generated from nhcarrigan/template
100 lines
3.3 KiB
TypeScript
100 lines
3.3 KiB
TypeScript
/**
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* @copyright nhcarrigan
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* @license Naomi's Public License
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* @author Naomi Carrigan
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*/
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import {
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ActionRowBuilder,
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ButtonBuilder,
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ButtonStyle,
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ChannelType,
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type Message,
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} from "discord.js";
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import { personality } from "../config/personality.js";
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import { ai } from "../utils/ai.js";
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import { calculateCost } from "../utils/calculateCost.js";
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import { isSubscribedMessage } from "../utils/isSubscribed.js";
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import { logger } from "../utils/logger.js";
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import type { MessageParam } from "@anthropic-ai/sdk/resources/index.js";
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/**
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* Handles the Discord message event.
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* @param message - The message payload from Discord.
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*/
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// eslint-disable-next-line max-lines-per-function, max-statements, complexity -- We're off by one bloody line.
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export const onMessage = async(message: Message): Promise<void> => {
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try {
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if (message.channel.type !== ChannelType.DM) {
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return;
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}
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if (message.author.bot) {
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return;
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}
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const subbed = await isSubscribedMessage(message);
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if (!subbed) {
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return;
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}
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const historyRequest = await message.channel.messages.fetch({ limit: 20 });
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const history = [ ...historyRequest.values() ];
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const clearMessageIndex = history.findIndex((messageInner) => {
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return (
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messageInner.content === "<Clear History>"
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&& messageInner.author.id === message.client.user.id
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);
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});
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if (clearMessageIndex !== -1) {
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// Remove the clear message and everything sent before it, which means everything after in the array because the array is backwards
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history.splice(clearMessageIndex, history.length - clearMessageIndex);
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}
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const context: Array<MessageParam> = history.
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reverse().
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map((messageInner) => {
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return {
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content: messageInner.content,
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role:
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messageInner.author.id === message.client.user.id
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? "assistant"
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: "user",
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};
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});
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const messages = await ai.messages.create({
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// eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
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max_tokens: 5000,
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messages: context,
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model: "claude-sonnet-4-20250514",
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system: `${personality} Provide a response to the user that continues the story. The user's name is ${message.author.displayName}`,
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temperature: 1,
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});
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const response = messages.content.find((messageInner) => {
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return messageInner.type === "text";
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});
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await message.channel.send(
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response?.text ?? "There was an error. Please try again later.",
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);
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if (!response) {
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await logger.log("info", `No response from AI, here's the payload: ${JSON.stringify(messages)}`);
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}
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await calculateCost(messages.usage, message.author.username);
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await logger.metric("messages_processed", 1, { user: message.author.id });
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} catch (error) {
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await logger.error("message event", error instanceof Error
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? error
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: new Error(String(error)));
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const button = new ButtonBuilder().
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setLabel("Need help?").
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setStyle(ButtonStyle.Link).
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setURL("https://chat.nhcarrigan.com");
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const row = new ActionRowBuilder<ButtonBuilder>().addComponents(button);
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await message.reply({
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components: [ row ],
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content: error instanceof Error
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? error.message
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: "Something went wrong.",
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});
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}
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};
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