feat: ✨ return 500 on auth errors

auth/routes.go

@@ -49,9 +49,9 @@ func Callback(app *core.App) func(w http.ResponseWriter, r *http.Request) {
 		// use the same state string here that you used to generate the URL
 		token, err := app.SpotifyAuth.Token(r.Context(), state.(string), r)
 
-		if err != nil {
+		if err != nil || token == nil {
 			fmt.Println(err)
-			http.Error(w, "Couldn't get token", http.StatusNotFound)
+			http.Error(w, "Couldn't get token", http.StatusInternalServerError)
 			return
 		}
 
@@ -61,7 +61,7 @@ func Callback(app *core.App) func(w http.ResponseWriter, r *http.Request) {
 
 		if err != nil {
 			fmt.Println(err)
-			http.Error(w, "Couldn't get current user", http.StatusNotFound)
+			http.Error(w, "Couldn't get current user", http.StatusInternalServerError)
 			return
 		}
 
@@ -69,7 +69,7 @@ func Callback(app *core.App) func(w http.ResponseWriter, r *http.Request) {
 
 		if err != nil {
 			fmt.Println(err)
-			http.Error(w, "Couldn't save token", http.StatusNotFound)
+			http.Error(w, "Couldn't save token", http.StatusInternalServerError)
 			return
 		}