       @$scope = $scope
       @tiers = []
       @badges = {}
-      # @availableBadges = angular.copy($scope.courseBadges)
-      # @selectedBadge = ""
       @id = if attrs.id then attrs.id else null
       @fullCreditTier = null
       @addTiers(attrs["tiers"]) if attrs["tiers"] #add tiers if passed on init
-      # @loadMetricBadges(attrs["metric_badges"]) if attrs["metric_badges"] #add badges if passed on init
       @name = if attrs.name then attrs.name else ""
       @rubricId = if attrs.rubric_id then attrs.rubric_id else @$scope.rubricId
       if @id

          )
      else
        @remove(index)            
]  
      ## graderubric
      @selectedTier = null
      
      # look for a rubric grade by metric_id if there are rubric grades present
      if @$scope.rubricGrades
        @rubricGrade = @$scope.rubricGrades[@id]

      # if there are rubric grades, select the 
      if @rubricGrade
        @rubricGradeTierId = @rubricGrade.tier_id
      else
