Add top DMs route and handlers

store/timerlayer/timerlayer.go

@@ -5434,6 +5434,22 @@ func (s *TimerLayerPostStore) GetSingle(id string, inclDeleted bool) (*model.Pos
 	return result, err
 }
 
+func (s *TimerLayerPostStore) GetTopDMsForUserSince(userID string, since int64, offset int, limit int) (*model.TopDMList, error) {
+	start := time.Now()
+
+	result, err := s.PostStore.GetTopDMsForUserSince(userID, since, offset, limit)
+
+	elapsed := float64(time.Since(start)) / float64(time.Second)
+	if s.Root.Metrics != nil {
+		success := "false"
+		if err == nil {
+			success = "true"
+		}
+		s.Root.Metrics.ObserveStoreMethodDuration("PostStore.GetTopDMsForUserSince", success, elapsed)
+	}
+	return result, err
+}
+
 func (s *TimerLayerPostStore) HasAutoResponsePostByUserSince(options model.GetPostsSinceOptions, userId string) (bool, error) {
 	start := time.Now()