Create Account endpoint works

src/database/mod.rs

@@ -57,3 +57,14 @@ pub fn get_user(user: &str, pass: &str) -> Option<User> {
         _ => None,
     }
 }
+
+pub fn user_exists(name: &str) -> bool {
+    use schema::users::dsl::*;
+
+    users
+        .filter(username.eq(name))
+        .load::<User>(&connect())
+        .unwrap_or_default()
+        .first()
+        .is_some()
+}