Return a distinct error when an invite username is in use.

I've also aligned channel creation with this (it's 409 Conflict). To make server setup more distinct, it now returns 503 Service Unavailable if setup has not been completed.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/invite/routes.rs b/src/invite/routes.rs
index 3384e10..977fe9b 100644
--- a/src/invite/routes.rs
+++ b/src/invite/routes.rs
@@ -88,6 +88,9 @@ impl IntoResponse for AcceptError {
         let Self(error) = self;
         match error {
             error @ app::AcceptError::NotFound(_) => NotFound(error).into_response(),
+            error @ app::AcceptError::DuplicateLogin(_) => {
+                (StatusCode::CONFLICT, error.to_string()).into_response()
+            }
             other => Internal::from(other).into_response(),
         }
     }