MM-33708 - Add MentionCountRoot column to ChannelMembers (#17099)

* added new column for root-only mentions

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

store/opentracinglayer/opentracinglayer.go

@@ -1556,7 +1556,7 @@ func (s *OpenTracingLayerChannelStore) GroupSyncedChannelCount() (int64, error)
 	return result, err
 }
 
-func (s *OpenTracingLayerChannelStore) IncrementMentionCount(channelID string, userId string, updateThreads bool) error {
+func (s *OpenTracingLayerChannelStore) IncrementMentionCount(channelID string, userId string, updateThreads bool, isRoot bool) error {
 	origCtx := s.Root.Store.Context()
 	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "ChannelStore.IncrementMentionCount")
 	s.Root.Store.SetContext(newCtx)
@@ -1565,7 +1565,7 @@ func (s *OpenTracingLayerChannelStore) IncrementMentionCount(channelID string, u
 	}()
 
 	defer span.Finish()
-	err := s.ChannelStore.IncrementMentionCount(channelID, userId, updateThreads)
+	err := s.ChannelStore.IncrementMentionCount(channelID, userId, updateThreads, isRoot)
 	if err != nil {
 		span.LogFields(spanlog.Error(err))
 		ext.Error.Set(span, true)
@@ -2110,7 +2110,7 @@ func (s *OpenTracingLayerChannelStore) UpdateLastViewedAt(channelIds []string, u
 	return result, err
 }
 
-func (s *OpenTracingLayerChannelStore) UpdateLastViewedAtPost(unreadPost *model.Post, userID string, mentionCount int, updateThreads bool) (*model.ChannelUnreadAt, error) {
+func (s *OpenTracingLayerChannelStore) UpdateLastViewedAtPost(unreadPost *model.Post, userID string, mentionCount int, mentionCountRoot int, updateThreads bool) (*model.ChannelUnreadAt, error) {
 	origCtx := s.Root.Store.Context()
 	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "ChannelStore.UpdateLastViewedAtPost")
 	s.Root.Store.SetContext(newCtx)
@@ -2119,7 +2119,7 @@ func (s *OpenTracingLayerChannelStore) UpdateLastViewedAtPost(unreadPost *model.
 	}()
 
 	defer span.Finish()
-	result, err := s.ChannelStore.UpdateLastViewedAtPost(unreadPost, userID, mentionCount, updateThreads)
+	result, err := s.ChannelStore.UpdateLastViewedAtPost(unreadPost, userID, mentionCount, mentionCountRoot, updateThreads)
 	if err != nil {
 		span.LogFields(spanlog.Error(err))
 		ext.Error.Set(span, true)
@@ -7864,24 +7864,6 @@ func (s *OpenTracingLayerThreadStore) GetThreadForUser(userId string, teamId str
 	return result, err
 }
 
-func (s *OpenTracingLayerThreadStore) GetThreadMentionsForUserPerChannel(userId string, teamId string) (map[string]int64, error) {
-	origCtx := s.Root.Store.Context()
-	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "ThreadStore.GetThreadMentionsForUserPerChannel")
-	s.Root.Store.SetContext(newCtx)
-	defer func() {
-		s.Root.Store.SetContext(origCtx)
-	}()
-
-	defer span.Finish()
-	result, err := s.ThreadStore.GetThreadMentionsForUserPerChannel(userId, teamId)
-	if err != nil {
-		span.LogFields(spanlog.Error(err))
-		ext.Error.Set(span, true)
-	}
-
-	return result, err
-}
-
 func (s *OpenTracingLayerThreadStore) GetThreadsForUser(userId string, teamId string, opts model.GetUserThreadsOpts) (*model.Threads, error) {
 	origCtx := s.Root.Store.Context()
 	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "ThreadStore.GetThreadsForUser")