error handling for latest github release stuff

Author: 0x7d8

src/routes/latest.rs

@@ -2,7 +2,8 @@ use super::State;
 use utoipa_axum::{router::OpenApiRouter, routes};
 
 mod get {
-    use crate::routes::GetState;
+    use crate::routes::{ApiError, GetState};
+    use axum::http::StatusCode;
     use serde::Serialize;
     use utoipa::ToSchema;
 
@@ -13,17 +14,31 @@ mod get {
     }
 
     #[utoipa::path(get, path = "/", responses(
-        (status = OK, body = inline(Response))
+        (status = OK, body = inline(Response)),
+        (status = NOT_FOUND, body = inline(ApiError)),
     ))]
-    pub async fn route(state: GetState) -> axum::Json<serde_json::Value> {
+    pub async fn route(state: GetState) -> (StatusCode, axum::Json<serde_json::Value>) {
         let releases = state.github_releases.read().await;
 
-        axum::Json(
-            serde_json::to_value(Response {
-                name: releases.first().unwrap(),
-                history: &releases[1..],
-            })
-            .unwrap(),
+        if releases.is_empty() {
+            return (
+                StatusCode::NOT_FOUND,
+                axum::Json(
+                    serde_json::to_value(ApiError::new(&["no releases found (please retry)"]))
+                        .unwrap(),
+                ),
+            );
+        }
+
+        (
+            StatusCode::OK,
+            axum::Json(
+                serde_json::to_value(Response {
+                    name: releases.first().unwrap(),
+                    history: &releases[1..],
+                })
+                .unwrap(),
+            ),
         )
     }
 }