remove tournament room when wiping out tournament

app/tournament/RoomRepo.scala

@@ -28,4 +28,8 @@ class RoomRepo(collection: MongoCollection)
   def insertIO(room: Room) = io {
     insert(room)
   }
+
+  def removeIO(id: String): IO[Unit] = io {
+    remove(DBObject("_id" -> id))
+  }
 }

app/tournament/TournamentApi.scala

@@ -14,6 +14,7 @@ import lobby.{ Socket ⇒ LobbySocket }
 
 private[tournament] final class TournamentApi(
     repo: TournamentRepo,
+    roomRepo: RoomRepo,
     joiner: GameJoiner,
     socket: Socket,
     siteSocket: site.Socket,
@@ -58,6 +59,7 @@ private[tournament] final class TournamentApi(
 
   def wipeEmpty(created: Created): IO[Unit] = (for {
     _ ← repo removeIO created
+    _ ← roomRepo removeIO created.id
     _ ← reloadSiteSocket
     _ ← lobbyReload
     _ ← removeLobbyMessage(created)

app/tournament/TournamentEnv.scala

@@ -39,6 +39,7 @@ final class TournamentEnv(
 
   lazy val api = new TournamentApi(
     repo = repo,
+    roomRepo = roomRepo,
     joiner = joiner,
     socket = socket,
     siteSocket = siteSocket,