Add create account functionality

server/api/account.post.ts

@@ -0,0 +1,53 @@
+import { readAccounts, writeAccounts, nextAccountId } from "~/server/database";
+import { Account } from "~/shared/types/account";
+
+export default defineEventHandler(async (event) => {
+	let session = await getAccountSession(event);
+	if (session) {
+		throw createError({
+			status: 409,
+			message: "Cannot create account while having an active session."
+		});
+	}
+
+	const formData = await readFormData(event);
+	const name = formData.get("name");
+
+	const accounts = await readAccounts();
+	let account: Account;
+	if (typeof name === "string") {
+		if (name === "") {
+			throw createError({
+				status: 400,
+				message: "Name cannot be blank",
+			});
+		}
+		if (accounts.some(account => account.name && account.name.toLowerCase() === name.toLowerCase())) {
+			throw createError({
+				status: 409,
+				message: "User already exists",
+			});
+		}
+
+		account = {
+			id: await nextAccountId(),
+			type: "regular",
+			name,
+		};
+
+	} else if (name === null) {
+		account = {
+			id: await nextAccountId(),
+			type: "anonymous",
+		};
+	} else {
+		throw createError({
+			status: 400,
+			message: "Invalid name",
+		});
+	}
+
+	accounts.push(account);
+	await writeAccounts(accounts);
+	await setAccountSession(event, account.id);
+})

server/api/auth/session.delete.ts

@@ -1,3 +1,19 @@
+import { readAccounts } from "~/server/database";
+
 export default defineEventHandler(async (event) => {
+	const session = await getAccountSession(event);
+	if (session) {
+		const accounts = await readAccounts();
+		const account = accounts.find(
+			account => account.id === session.accountId
+		);
+		if (account && account.type === "anonymous") {
+			throw createError({
+				status: 409,
+				message: "Cannot log out of an anonymous account",
+			});
+		}
+	}
+
 	await clearAccountSession(event);
 })

server/database.ts

@@ -9,6 +9,7 @@ import { generateDemoSchedule, generateDemoAccounts } from "./generate-demo-sche
 const schedulePath = "data/schedule.json";
 const subscriptionsPath = "data/subscriptions.json";
 const accountsPath = "data/accounts.json";
+const nextAccountIdPath = "data/next-account-id.json";
 const sessionsPath = "data/sessions.json";
 const nextSessionIdPath = "data/next-session-id.json";
 
@@ -45,6 +46,15 @@ export async function writeSubscriptions(subscriptions: Subscription[]) {
 	await writeFile(subscriptionsPath, JSON.stringify(subscriptions, undefined, "\t") + "\n", "utf-8");
 }
 
+export async function nextAccountId() {
+	let nextId = await readJson(nextAccountIdPath, 0);
+	if (nextId === 0) {
+		nextId = Math.max(...(await readAccounts()).map(account => account.id), -1) + 1;
+	}
+	await writeFile(nextAccountIdPath, String(nextId + 1), "utf-8");
+	return nextId;
+}
+
 export async function readAccounts() {
 	return await readJson(accountsPath, generateDemoAccounts);
 }