1 files changed, 39 insertions, 0 deletions
diff --git a/src/tasks/feature/handleReminders.ts b/src/tasks/feature/handleReminders.ts
new file mode 100644
index 0000000..7863c9a
--- /dev/null
+++ b/src/tasks/feature/handleReminders.ts
@@ -0,0 +1,39 @@
+import { BushTask, dateDelta, format, Reminder, Time } from '#lib';
+const { Op } = (await import('sequelize')).default;
+
+export default class HandlerRemindersTask extends BushTask {
+	public constructor() {
+		super('handlerReminders', {
+			delay: 30 * Time.Second,
+			runOnStart: true
+		});
+	}
+
+	public async exec() {
+		const expiredEntries = await Reminder.findAll({
+			where: {
+				expires: {
+					[Op.lt]: new Date(Date.now() + 30 * Time.Second) // Find all rows with an expiry date before 30 seconds from now
+				},
+				notified: false
+			}
+		});
+
+		void this.client.logger.verbose(
+			`handlerReminders`,
+			`Queried reminders, found <<${expiredEntries.length}>> expired reminders.`
+		);
+
+		for (const entry of expiredEntries) {
+			setTimeout(() => {
+				void this.client.users
+					.send(
+						entry.user,
+						`The reminder you set ${dateDelta(entry.created)} ago has expired: ${format.bold(entry.content)}\n${entry.messageUrl}`
+					)
+					.catch(() => false);
+				void entry.update({ notified: true });
+			}, entry.expires.getTime() - new Date().getTime());
+		}
+	}
+}