refactor: moves apps outside of apps/ path

www/src/lib/auth.ts

@@ -0,0 +1,3 @@
+export function isAdmin(userId: string | undefined): boolean {
+  return userId === import.meta.env.ADMIN_GITHUB_ID;
+}

www/src/lib/db.ts

@@ -0,0 +1,29 @@
+import { db, Guestbook, eq, desc } from 'astro:db';
+
+export type GuestbookEntry = typeof Guestbook.$inferSelect;
+
+export async function getApprovedEntries(): Promise<GuestbookEntry[]> {
+  return db.select().from(Guestbook).where(eq(Guestbook.approved, true)).orderBy(desc(Guestbook.createdAt));
+}
+
+export async function getPendingEntries(): Promise<GuestbookEntry[]> {
+  return db.select().from(Guestbook).where(eq(Guestbook.approved, false)).orderBy(desc(Guestbook.createdAt));
+}
+
+export async function createEntry(name: string, message: string, url: string | null): Promise<void> {
+  await db.insert(Guestbook).values({
+    name,
+    message,
+    url,
+    createdAt: new Date(),
+    approved: false,
+  });
+}
+
+export async function approveEntry(id: number): Promise<void> {
+  await db.update(Guestbook).set({ approved: true }).where(eq(Guestbook.id, id));
+}
+
+export async function deleteEntry(id: number): Promise<void> {
+  await db.delete(Guestbook).where(eq(Guestbook.id, id));
+}