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

app/presenters/dashboard/subcategory_presenter.rb

@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+module Dashboard
+  class SubcategoryPresenter
+    attr_reader :subcategory, :academic_year, :school, :id, :name, :description
+
+    def initialize(subcategory:, academic_year:, school:)
+      @subcategory = subcategory
+      @academic_year = academic_year
+      @school = school
+      @id = @subcategory.subcategory_id
+      @name = @subcategory.name
+      @description = @subcategory.description
+    end
+
+    def gauge_presenter
+      GaugePresenter.new(zones:, score: average_score)
+    end
+
+    def subcategory_card_presenter
+      SubcategoryCardPresenter.new(subcategory: @subcategory, zones:, score: average_score)
+    end
+
+    def average_score
+      @average_score ||= @subcategory.score(school: @school, academic_year: @academic_year)
+    end
+
+    def student_response_rate
+      return "N / A" if Respondent.where(school: @school, academic_year: @academic_year).count.zero?
+
+      "#{@subcategory.response_rate(school: @school, academic_year: @academic_year).student_response_rate.round}%"
+    end
+
+    def teacher_response_rate
+      return "N / A" if Respondent.where(school: @school, academic_year: @academic_year).count.zero?
+
+      "#{@subcategory.response_rate(school: @school, academic_year: @academic_year).teacher_response_rate.round}%"
+    end
+
+    def admin_collection_rate
+      rate = [admin_data_values_count, admin_data_item_count]
+      format_a_non_applicable_rate rate
+    end
+
+    def measure_presenters
+      @subcategory.measures.sort_by(&:measure_id).map do |measure|
+        MeasurePresenter.new(measure:, academic_year: @academic_year, school: @school)
+      end
+    end
+
+    private
+
+    def admin_data_values_count
+      @subcategory.measures.map do |measure|
+        measure.scales.map do |scale|
+          scale.admin_data_items.map do |admin_data_item|
+            admin_data_item.admin_data_values.where(school: @school, academic_year: @academic_year).count
+          end
+        end
+      end.flatten.sum
+    end
+
+    def admin_data_item_count
+      measures = @subcategory.measures
+      return AdminDataItem.for_measures(measures).count if @school.is_hs
+
+      AdminDataItem.non_hs_items_for_measures(measures).count
+    end
+
+    def format_a_non_applicable_rate(rate)
+      rate == [0, 0] ? %w[N A] : rate
+    end
+
+    def zones
+      Zones.new(
+        watch_low_benchmark: measures.map(&:watch_low_benchmark).average,
+        growth_low_benchmark: measures.map(&:growth_low_benchmark).average,
+        approval_low_benchmark: measures.map(&:approval_low_benchmark).average,
+        ideal_low_benchmark: measures.map(&:ideal_low_benchmark).average
+      )
+    end
+
+    def measures
+      @measures ||= @subcategory.measures.includes([:admin_data_items]).order(:measure_id)
+    end
+  end
+end