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import { Client, Events, GatewayIntentBits } from 'discord.js';
import removeMd from 'remove-markdown';
import { writeFileSync, mkdirSync, rmSync } from 'fs';
import { marked } from 'marked';
import { Database } from "bun:sqlite";
const client = new Client({ intents: [GatewayIntentBits.Guilds, GatewayIntentBits.GuildMembers, GatewayIntentBits.GuildMessages, GatewayIntentBits.MessageContent, GatewayIntentBits.GuildMessageReactions] });
const db = new Database(process.env.DB_LOCATION, { create: true });
function parseMessage(content: string) {
const lines = content.split('\n');
const authorMatch = content.match(/\*from(?: the)? ([^*]+)\*/i);
const titleLine = lines.slice(0, 2).find(l => /^#+\s+.+|^\*\*.+\*\*|^.+\*\*[^*]+\*\*$/.test(l)) ?? null;
const author = authorMatch ? authorMatch[1].trim() : null;
const title = titleLine ? titleLine.replace(/^#+\s+/, '').replace(/\*\*/g, '').trim() : null;
const message = lines
.filter(l => l !== titleLine)
.join('\n')
.replace(/\*from(?: the)? [^*]+\*\n?/i, '')
.trimStart();
return { author, title, message };
}
client.on(Events.ClientReady, bot => {
console.log(`Logged in as ${bot.user.tag}!`);
client.user?.setStatus('invisible');
try {
db.run(`CREATE TABLE IF NOT EXISTS announcements (
id INTEGER PRIMARY KEY,
msg_id INTERGER,
title TEXT,
author TEXT,
message TEXT,
created_at INTEGER
)`);
db.run(`CREATE TABLE IF NOT EXISTS announcements_attachments (
id INTEGER PRIMARY KEY,
msg_id INTERGER,
file_name TEXT
)`);
db.run(`CREATE TABLE IF NOT EXISTS exclude_person (
id INTEGER PRIMARY KEY,
user_id INTERGER
)`);
db.run(`CREATE TABLE IF NOT EXISTS announcements_reactions (
id INTEGER PRIMARY KEY,
msg_id INTERGER,
user_id INTERGER,
reaction TEXT
)`);
} catch (e) {
console.error(e);
}
});
client.on(Events.MessageCreate, async (msg) => {
const query = db.prepare('SELECT * FROM exclude_person WHERE user_id = ?');
const result = query.get(msg.author.id);
if (result) return;
if (msg.author.bot) return;
if (msg.channel.id !== process.env.ANNOUNCEMENT_CHANNEL) return;
if (!(msg.content.startsWith('#') || msg.content.startsWith('*') || msg.content.match(/^:[a-z0-9_]+:/i) || msg.content.match(/^\p{Emoji}/u))) return;
const { title, author, message } = parseMessage(msg.content);
if (!title || !author || !message) return;
try {
const insert = db.prepare(`INSERT INTO announcements (title, msg_id, author, message, created_at) VALUES (($title), ($msg_id), ($author), ($message), ($created_at))`);
insert.run({
$title: removeMd(title),
$msg_id: msg.id,
$author: removeMd(author),
$message: await marked(message),
$created_at: msg.createdTimestamp.toString()
})
if (msg.attachments.size > 0) {
try {
mkdirSync(`../public/images/${msg.id}`, { recursive: true });
for (const a of msg.attachments.values()) {
const response = await fetch(a.url);
const buffer = Buffer.from(await response.arrayBuffer());
writeFileSync(`../public/images/${msg.id}/${a.name}`, buffer);
const insert = db.prepare(`INSERT INTO announcements_attachments (msg_id, file_name) VALUES ($msg_id, $file_name)`);
insert.run({
$msg_id: msg.id,
$file_name: a.name
});
}
} catch (e) {
console.error(e);
return;
}
}
} catch (e) {
console.error(e);
}
});
client.on(Events.MessageUpdate, async (msg, msgnew) => {
if (!msg.author) return;
if (!msg.content) return;
if (msg.author.bot) return;
if (msg.channel.id !== process.env.ANNOUNCEMENT_CHANNEL) return;
if (!(msgnew.content.startsWith('#') || msgnew.content.startsWith('*') || msgnew.content.match(/^:[a-z0-9_]+:/i) || msgnew.content.match(/^\p{Emoji}/u))) return;
const { title, author, message } = parseMessage(msgnew.content);
if (!title || !author || !message) return;
try {
const removedAttachments = msg.attachments.filter(a => !msgnew.attachments.has(a.id));
for (const a of removedAttachments.values()) {
const deleteAttachment = db.prepare(`DELETE FROM announcements_attachments WHERE msg_id = ($msg_id) AND file_name = ($file_name)`);
deleteAttachment.run({
$msg_id: msg.id,
$file_name: a.name
});
}
} catch (e) {
console.error(e);
}
try {
const update = db.prepare(`UPDATE announcements SET title = ($title), author = ($author), message = ($message) WHERE msg_id = ($msg_id)`);
update.run({
$title: removeMd(title),
$author: removeMd(author),
$message: await marked(message),
$msg_id: msg.id
})
} catch (e) {
console.error(e);
}
});
client.on(Events.MessageDelete, async (msg) => {
if (!msg.author) return;
if (!msg.content) return;
if (msg.author.bot) return;
if (msg.author.id === client.user!.id) return;
if (msg.channel.id !== process.env.ANNOUNCEMENT_CHANNEL) return;
try {
const deleteAnnouncement = db.prepare(`DELETE FROM announcements WHERE msg_id = ($msg_id)`);
deleteAnnouncement.run({
$msg_id: msg.id
})
const deleteAnnouncementReactions = db.prepare(`DELETE FROM announcements_reactions WHERE msg_id = ($msg_id)`);
deleteAnnouncementReactions.run({
$msg_id: msg.id
})
if (msg.attachments.size > 0) {
const deleteAttachment = db.prepare(`DELETE FROM announcements_attachments WHERE msg_id = ($msg_id)`);
deleteAttachment.run({
$msg_id: msg.id
});
rmSync(`../public/images/${msg.id}`, { recursive: true });
}
} catch (e) {
console.error(e);
}
});
client.on(Events.MessageReactionAdd, async (reaction, user) => {
if (!reaction.message.author) return;
if (user.bot) return;
if (reaction.message.channel.id !== process.env.ANNOUNCEMENT_CHANNEL) return;
try {
const insert = db.prepare(`INSERT INTO announcements_reactions (msg_id, user_id, reaction) VALUES (($msg_id), ($user_id), ($reaction))`);
insert.run({
$msg_id: reaction.message.id,
$user_id: user.id,
$reaction: reaction.emoji.toString()
})
} catch (e) {
console.error(e);
}
})
client.on(Events.MessageReactionRemove, async (reaction, user) => {
if (!reaction.message.author) return;
if (user.bot) return;
if (reaction.message.channel.id !== process.env.ANNOUNCEMENT_CHANNEL) return;
try {
const deleteReaction = db.prepare(`DELETE FROM announcements WHERE msg_id = ($msg_id) AND user_id = ($user_id) AND reaction = ($reaction)`);
deleteReaction.run({
$msg_id: reaction.message.id,
$user_id: user.id,
$reaction: reaction.emoji.toString()
})
} catch (e) {
console.error(e);
}
})
client.login(process.env.TOKEN);
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