dirty commit: can't get references to work correctly between any tables

app/presenters/dashboard/analyze/graph/students_by_race.rb

@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+module Analyze
+  module Graph
+    class StudentsByRace
+      attr_reader :races
+
+      def initialize(races:)
+        @races = races
+      end
+
+      def to_s
+        "Students by Race"
+      end
+
+      def slug
+        "students-by-race"
+      end
+
+      def columns
+        [].tap do |array|
+          races.each do |race|
+            array << column_for_race_code(code: race.qualtrics_code)
+          end
+          array << Analyze::Graph::Column::AllStudent
+        end
+      end
+
+      private
+
+      def column_for_race_code(code:)
+        CFR[code.to_s]
+      end
+
+      CFR = {
+        "1" => Analyze::Graph::Column::RaceColumn::AmericanIndian,
+        "2" => Analyze::Graph::Column::RaceColumn::Asian,
+        "3" => Analyze::Graph::Column::RaceColumn::Black,
+        "4" => Analyze::Graph::Column::RaceColumn::Hispanic,
+        "5" => Analyze::Graph::Column::RaceColumn::White,
+        "8" => Analyze::Graph::Column::RaceColumn::MiddleEastern,
+        "99" => Analyze::Graph::Column::RaceColumn::Unknown,
+        "100" => Analyze::Graph::Column::RaceColumn::Multiracial
+      }.freeze
+    end
+  end
+end