feat: close tickets on channel delete

src/listeners/client/channelDelete.js

@@ -0,0 +1,25 @@
+const { Listener } = require('@eartharoid/dbf');
+
+module.exports = class extends Listener {
+	constructor(client, options) {
+		super(client, {
+			...options,
+			emitter: client,
+			event: 'channelDelete',
+		});
+	}
+
+	async run(channel) {
+		/** @type {import("client")} */
+		const client = this.client;
+
+		const ticket = await client.prisma.ticket.findUnique({
+			include: { guild: true },
+			where: { id: channel.id },
+		});
+		if (!ticket) return;
+
+		await client.tickets.close(ticket.id, true, 'channel deleted');
+		this.client.log.info(`Closed ticket ${ticket.id} because the channel was deleted`);
+	}
+};