Add delete account function

server/utils/schedule.ts

@@ -0,0 +1,21 @@
+import { Account } from '~/shared/types/account';
+import { readSchedule, writeSchedule } from '~/server/database';
+import { broadcastUpdate } from '~/server/streams';
+
+export async function updateScheduleInterestedCounts(accounts: Account[]) {
+	const counts = new Map();
+	for (const account of accounts)
+		if (account.interestedIds)
+			for (const id of account.interestedIds)
+				counts.set(id, (counts.get(id) ?? 0) + 1);
+
+	const schedule = await readSchedule();
+	for (const event of schedule.events) {
+		event.interested = counts.get(event.id);
+		for (const slot of event.slots) {
+			slot.interested = counts.get(slot.id);
+		}
+	}
+	await writeSchedule(schedule);
+	broadcastUpdate(schedule);
+}