drb-server/discordBot/addons/linkCop.mjs

import { DebugBuilder } from "../../modules/debugger.mjs";
const log = new DebugBuilder("server", "discordBot.addons.linkCop");
import { gptHandler } from "../modules/gptHandler.mjs";
import dotenv from 'dotenv';
dotenv.config();

const approvedLinksChannel = "767303243285790721";
const restrictedChannelIds = process.env.LINKCOP_RESTRICTED_CHANNELS.split(',');

const linkRegExp = /(?:http[s]?:\/\/)?(?:www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b(?:[-a-zA-Z0-9()@:%_\+.~#?&\/=]*)/g

export const linkCop = async (nodeIo, message) => {
    if (message.channel.id == approvedLinksChannel || !restrictedChannelIds.includes(message.channel.id)) return false;    

    const urls = String(message.content).matchAll(linkRegExp);
    if (!urls || urls.length === 0) return false;
    log.DEBUG("Found URLs: ", urls);

    let conversation = [];

    let prevMessages = await message.channel.messages.fetch({ limit: 2 });
    prevMessages.reverse();

    prevMessages.forEach((msg) => {
        // Check if the message was sent within the last 5 minutes
        if (new Date().getTime() - msg.createdTimestamp > (5 * 60 * 1000)) {
            return;
        }

        // Check if it's from a bot other than the server
        if (msg.author.bot && msg.author.id !== nodeIo.serverClient.user.id) return;

        const username = msg.author.username.replace(/\s+/g, '_').replace(/[^\w\s]/gi, '');

        if (msg.author.id === nodeIo.serverClient.user.id) {
            conversation.push({
                role: 'assistant',
                name: msg.author.id,
                content: msg.content,
            });

            return;
        }

        conversation.push({
            role: 'user',
            name: msg.author.id,
            content: msg.content.replace(`<@${nodeIo.serverClient.user.id}>`, ''),
        });
    }); 

    conversation.push({
        role: 'system',
        content: `There has been a link posted to a channel that links are not allowed in. The above messages are from the channel that links are not allowed including the message with the link. The message with the link is going to be deleted and moved to the '#links' channels. You should let the user know.`
    });

    const response = await gptHandler(conversation);

    if (response) {
        const responseMessage = response.choices[0].message.content;
        const chunkSize = 2000;

        for (let i = 0; i < responseMessage.length; i += chunkSize) {
            const chunk = responseMessage.substring(i, i + chunkSize);

            log.DEBUG("Sending message chunk:", chunk);

            await message.reply(chunk);
        }

        const messageContent = {
            'author': message.author,
            'content': `<@${message.author.id}> - ${String(message.content)}`,
            'channelId': message.channelId,
            'links': urls
        }
    
        await message.delete();
        log.DEBUG("Message content: ", messageContent);    
    
        message.client.channels.cache.get(approvedLinksChannel).send(messageContent);
    } 
}