if ticket author left the thread, archive the thread

src/events/server/threadMembersUpdate.ts

@@ -0,0 +1,72 @@
+import { Collection, MessageEmbed, Snowflake, ThreadMember } from 'discord.js';
+import { channelMention, memberNicknameMention } from '@discordjs/builders';
+import { RowDataPacket } from 'mysql2';
+import { version } from '../../../package.json';
+import { conn } from '../../utils';
+import { Handler, Tables } from '../../types';
+
+export const execute: Handler['execute'] = async (
+	client,
+	members: Collection<Snowflake, ThreadMember>
+) => {
+	const first = members.first()!;
+	const { thread } = first;
+	const { name, id } = first.thread;
+
+	const ticketUserId = name.split('-').at(-1)!;
+	const member = members.get(ticketUserId);
+
+	if (!member) return;
+
+	if (name === `ticket-${ticketUserId}`) {
+		if (
+			thread.members.cache.has(client.user!.id) &&
+			!thread.members.cache.has(ticketUserId)
+		) {
+			const [rows] = await conn.execute(
+				'SELECT * FROM TicketingManagers WHERE GuildID = ?',
+				[thread.guildId]
+			);
+			const record = (
+				rows as RowDataPacket[]
+			)[0] as Tables.TicketingManagers | null;
+
+			if (!record) return;
+
+			const user = member.user!;
+			const embed = new MessageEmbed()
+				.setColor('YELLOW')
+				.setAuthor(user.tag, user.displayAvatarURL({ dynamic: true }))
+				.setTitle('Ticket Archived')
+				.setDescription(
+					`${memberNicknameMention(user.id)} left the support ticket!`
+				)
+				.setTimestamp()
+				.setFooter(`Version ${version}`);
+
+			await thread.send({ embeds: [embed] });
+			await thread.setArchived(true);
+
+			if (record.LogsChannel !== '0') {
+				embed.setDescription(
+					`${memberNicknameMention(
+						user.id
+					)} left their ticket! View it at ${channelMention(id)}`
+				);
+				embed.addField('Name of Ticket', name);
+
+				const logsChannel = await thread.guild.channels.fetch(
+					record.LogsChannel
+				);
+
+				if (!logsChannel?.isText()) return;
+				if (
+					!logsChannel.permissionsFor(thread.guild.me!).has(['SEND_MESSAGES'])
+				)
+					return;
+
+				logsChannel.send({ embeds: [embed] });
+			}
+		}
+	}
+};