Add delete account function

server/api/account.delete.ts

@@ -0,0 +1,43 @@
+import {
+	readAccounts, readSessions, readSubscriptions,
+	writeAccounts, writeSessions, writeSubscriptions,
+ } from "~/server/database";
+
+export default defineEventHandler(async (event) => {
+	const accountSession = await requireAccountSession(event);
+
+	let accounts = await readAccounts();
+	const sessionAccount = accounts.find(
+		account => account.id === accountSession.accountId
+	);
+	if (!sessionAccount) {
+		throw Error("Account does not exist");
+	}
+
+	// Remove sessions for this account
+	const removedSessionIds = new Set<number>();
+	let sessions = await readSessions();
+	sessions = sessions.filter(session => {
+		if (session.accountId === accountSession.accountId) {
+			removedSessionIds.add(session.id);
+			return false;
+		}
+		return true;
+	});
+	await writeSessions(sessions);
+	await deleteCookie(event, "session");
+
+	// Remove subscriptions for this account
+	let subscriptions = await readSubscriptions();
+	subscriptions = subscriptions.filter(
+		subscription => !removedSessionIds.has(subscription.sessionId)
+	);
+	await writeSubscriptions(subscriptions);
+
+	// Remove the account
+	accounts = accounts.filter(account => account.id !== accountSession.accountId);
+	await writeAccounts(accounts);
+
+	// Update Schedule counts.
+	await updateScheduleInterestedCounts(accounts);
+})