fix empty result of rating history API endpoint

2020-04-12 19:08:17 -06:00 · 2020-04-12 19:08:17 -06:00 · bea1b52788
parent 08004bbb8b
commit bea1b52788
1 changed files with 4 additions and 1 deletions
--- a/app/controllers/User.scala
+++ b/app/controllers/User.scala
@ -171,7 +171,10 @@ final class User(

  def ratingHistory(username: String) = OpenBody { implicit ctx =>
    EnabledUser(username) { u =>
-      env.history.ratingChartApi(u) map { Ok(_) as JSON }
+      env.history
+        .ratingChartApi(u)
+        .dmap(_ | "[]") // send an empty JSON array if no history JSON is available
+        .dmap { Ok(_) as JSON }
    }
  }