refactor: move server-only code (resolves #2)

src/lib/server/session.ts

@@ -0,0 +1,43 @@
+import type { Session, User } from '@auth/sveltekit';
+import { error } from '@sveltejs/kit';
+import { db } from './db';
+import { users } from './db/schema';
+import { eq } from 'drizzle-orm';
+interface Event {
+	locals: {
+		auth(): Promise<Session | null>;
+	};
+}
+interface UserWithId extends User {
+	id: string;
+	email: string;
+}
+
+export async function ensureAuth(event: Event): Promise<UserWithId> {
+	const session = await getSession(event);
+	if (!session) error(401, { message: 'Du muesch di zersch iiloge' });
+
+	const user = session?.user;
+	if (!user || !user.email || !user.id) {
+		error(401, { message: 'Du muesch di zersch iiloge' });
+	}
+
+	return { ...user, id: user.id, email: user.email }; // weird thingamajig so that ts compiler is happy
+}
+export async function getSession(event: Event) {
+	const session = await event.locals.auth();
+	if (!session) return null;
+	if (!session.user) error(403, { message: 'Di gits garnid. Vilich nomau usloge u iiloge?' });
+
+	const res = await db
+		.select({ id: users.id })
+		.from(users)
+		.limit(1)
+		.where(eq(users.email, session.user.email ?? 'eaf9302d-9525-4f3e-8147-9620d2076f67')); //uuid as default to find nothing
+
+	if (!res[0]?.id) {
+		error(403, { message: 'Di gits garnid. Vilich nomau usloge u iiloge?' });
+	}
+
+	return { expires: session.expires, user: { ...session.user, id: res[0].id } };
+}