feat(posts): author_id nel repository + listByAuthor + helper utenti

src/lib/auth.ts

@@ -68,6 +68,16 @@ export function canAccessAdminPath(role: string, pathname: string): boolean {
   return true; // blog, upload, logout, showtags: tutti i loggati
 }
 
+export function getUsernameById(db: Database.Database, id: number): string | null {
+  const row = db.prepare('SELECT username FROM users WHERE id = ?').get(id) as { username: string } | undefined;
+  return row?.username ?? null;
+}
+
+export function listUsers(db: Database.Database): { id: number; username: string; role: string }[] {
+  return db.prepare('SELECT id, username, role FROM users ORDER BY username').all() as
+    { id: number; username: string; role: string }[];
+}
+
 export function landingFor(role: string): string {
   if (role === 'superuser') return '/admin/content';
   return '/admin';