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

app/models/dashboard/race.rb

@@ -0,0 +1,51 @@
+module Dashboard
+  class Race < ApplicationRecord
+    include FriendlyId
+    has_many :dashboard_student_races
+    has_many :dashboard_students, through: :student_races
+
+    friendly_id :designation, use: [:slugged]
+
+    scope :by_qualtrics_code, lambda {
+      all.map { |race| [race.qualtrics_code, race] }.to_h
+    }
+
+    def self.qualtrics_code_from(word)
+      case word
+      when /Native\s*American|American\s*Indian|Alaskan\s*Native|1/i
+        1
+      when /\bAsian|Pacific\s*Island|Hawaiian|2/i
+        2
+      when /Black|African\s*American|3/i
+        3
+      when /Hispanic|Latinx|4/i
+        4
+      when /White|Caucasian|5/i
+        5
+      when /Prefer not to disclose|6/i
+        6
+      when /Prefer to self-describe|7/i
+        7
+      when /Middle\s*Eastern|North\s*African|8/i
+        8
+      when %r{^#*N/*A$}i
+        nil
+      else
+        99
+      end
+    end
+
+    def self.normalize_race_list(codes)
+      # if anyone selects not to disclose their race or prefers to self-describe, categorize that as unknown race
+      races = codes.map do |code|
+        code = 99 if [6, 7].include?(code) || code.nil? || code.zero?
+        code
+      end.uniq
+
+      races.delete(99) if races.length > 1 # remove unkown race if other races present
+      races << 100 if races.length > 1 # add multiracial designation if multiple races present
+      races << 99 if races.length == 0 # add unknown race if other races missing
+      races
+    end
+  end
+end