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, 5 insertions, 1 deletions

diff --git a/src/setup/middleware.rs b/src/setup/middleware.rs
index a5f9070..5f9996b 100644
--- a/src/setup/middleware.rs
+++ b/src/setup/middleware.rs
@@ -10,7 +10,11 @@ use crate::{app::App, error::Internal};
 pub async fn setup_required(State(app): State<App>, request: Request, next: Next) -> Response {
     match app.setup().completed().await {
         Ok(true) => next.run(request).await,
-        Ok(false) => (StatusCode::CONFLICT, "initial setup not completed").into_response(),
+        Ok(false) => (
+            StatusCode::SERVICE_UNAVAILABLE,
+            "initial setup not completed",
+        )
+            .into_response(),
         Err(error) => Internal::from(error).into_response(),
     }
 }