code: func NewTrackerQueryRepository(db *gorm.DB) *GormTrackerQueryRepository {
  	return &GormTrackerQueryRepository{
  		db:   db,
  		witr: workitem.NewWorkItemTypeRepository(db),
  		wir:  workitem.NewWorkItemRepository(db),
  	}
  }
docs: // NewTrackerQueryRepository constructs a TrackerQueryRepository