Refactor based on rubocop and reek suggestions

app/controllers/analyze_controller.rb

@@ -1,15 +1,28 @@
 class AnalyzeController < SqmApplicationController
   def index
+    assign_categories
+    assign_subcategories
+    assign_measures
+    assign_academic_years
+  end
+
+  def assign_categories
     @category ||= Category.find_by_category_id(params[:category])
     @category ||= Category.order(:category_id).first
     @categories = Category.all.order(:category_id)
+  end
 
+  def assign_subcategories
     @subcategories = @category.subcategories.order(:subcategory_id)
     @subcategory ||= Subcategory.find_by_subcategory_id(params[:subcategory])
     @subcategory ||= @subcategories.first
+  end
 
+  def assign_measures
     @measures = @subcategory.measures.order(:measure_id).includes(%i[scales admin_data_items subcategory])
+  end
 
+  def assign_academic_years
     @available_academic_years = AcademicYear.order(:range).all
     @academic_year_params = params[:academic_years].split(',') if params[:academic_years]
     @selected_academic_years = []

app/models/measure.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Measure < ActiveRecord::Base
   belongs_to :subcategory, counter_cache: true
   has_one :category, through: :subcategory
@@ -24,9 +26,9 @@ class Measure < ActiveRecord::Base
 
   def student_survey_items_by_survey_type(school:, academic_year:)
     survey = Survey.where(school:, academic_year:).first
-    return survey_items.student_survey_items.short_form_items if survey.form == 'short'
+    return student_survey_items.short_form_items if survey.form == 'short'
 
-    survey_items.student_survey_items
+    student_survey_items
   end
 
   def teacher_scales
@@ -61,31 +63,14 @@ class Measure < ActiveRecord::Base
 
   def score(school:, academic_year:)
     @score ||= Hash.new do |memo, (school, academic_year)|
-      meets_student_threshold = sufficient_student_data?(school:, academic_year:)
-      meets_teacher_threshold = sufficient_teacher_data?(school:, academic_year:)
-      meets_admin_data_threshold = any_admin_data_collected?(school:, academic_year:)
-      lacks_sufficient_survey_data = !meets_student_threshold && !meets_teacher_threshold
-      incalculable_score = lacks_sufficient_survey_data && !includes_admin_data_items?
-
-      next Score.new(nil, false, false, false) if incalculable_score
-
-      scores = []
-      if meets_teacher_threshold
-        scores << collect_survey_item_average(survey_items: teacher_survey_items, school:,
-                                              academic_year:)
-      end
-      if meets_student_threshold
-        scores << collect_survey_item_average(survey_items: student_survey_items_by_survey_type(school:, academic_year:), school:,
-                                              academic_year:)
-      end
-      scores << collect_admin_scale_average(admin_data_items:, school:, academic_year:) if includes_admin_data_items?
+      next Score::NIL_SCORE if incalculable_score(school:, academic_year:)
 
+      scores = collect_averages_for_teacher_student_and_admin_data(school:, academic_year:)
       average = scores.flatten.compact.remove_blanks.average
 
-      next Score.new(nil, false, false, false) if average.nan?
+      next Score::NIL_SCORE if average.nan?
 
-      memo[[school, academic_year]] =
-        Score.new(average, meets_teacher_threshold, meets_student_threshold, meets_admin_data_threshold)
+      memo[[school, academic_year]] = scorify(average:, school:, academic_year:)
     end
 
     @score[[school, academic_year]]
@@ -94,10 +79,7 @@ class Measure < ActiveRecord::Base
   def student_score(school:, academic_year:)
     @student_score ||= Hash.new do |memo, (school, academic_year)|
       meets_student_threshold = sufficient_student_data?(school:, academic_year:)
-      if meets_student_threshold
-        average = collect_survey_item_average(survey_items: student_survey_items_by_survey_type(school:, academic_year:), school:,
-                                              academic_year:)
-      end
+      average = student_average(school:, academic_year:) if meets_student_threshold
       memo[[school, academic_year]] = scorify(average:, school:, academic_year:)
     end
 
@@ -107,10 +89,7 @@ class Measure < ActiveRecord::Base
   def teacher_score(school:, academic_year:)
     @teacher_score ||= Hash.new do |memo, (school, academic_year)|
       meets_teacher_threshold = sufficient_teacher_data?(school:, academic_year:)
-      if meets_teacher_threshold
-        average = collect_survey_item_average(survey_items: teacher_survey_items, school:,
-                                              academic_year:)
-      end
+      average = teacher_average(school:, academic_year:) if meets_teacher_threshold
       memo[[school, academic_year]] = scorify(average:, school:, academic_year:)
     end
 
@@ -141,12 +120,11 @@ class Measure < ActiveRecord::Base
 
   def any_admin_data_collected?(school:, academic_year:)
     @any_admin_data_collected ||= Hash.new do |memo, (school, academic_year)|
-      total_collected_admin_data_items = scales.map do |scale|
-        scale.admin_data_items.map do |admin_data_item|
+      total_collected_admin_data_items =
+        admin_data_items.map do |admin_data_item|
           admin_data_item.admin_data_values.where(school:, academic_year:).count
-        end
-      end.flatten.sum
-      memo[[school, academic_year]] = total_collected_admin_data_items > 0
+        end.flatten.sum
+      memo[[school, academic_year]] = total_collected_admin_data_items.positive?
     end
     @any_admin_data_collected[[school, academic_year]]
   end
@@ -178,9 +156,11 @@ class Measure < ActiveRecord::Base
 
   def collect_admin_scale_average(admin_data_items:, school:, academic_year:)
     @collect_admin_scale_average ||= Hash.new do |memo, (admin_data_items, school, academic_year)|
-      memo[[admin_data_items, school, academic_year]] = admin_data_items.map do |admin_data_item|
-        admin_value = admin_data_item.admin_data_values.where(school:, academic_year:).first
-        admin_value.likert_score if admin_value.present?
+      memo[[admin_data_items, school, academic_year]] = begin
+        admin_values = AdminDataValue.where(school:, academic_year:)
+        admin_values.map do |admin_value|
+          admin_value.likert_score if admin_value.present?
+        end
       end
     end
     @collect_admin_scale_average[[admin_data_items, school, academic_year]]
@@ -204,19 +184,58 @@ class Measure < ActiveRecord::Base
 
   def sufficient_student_data?(school:, academic_year:)
     return @sufficient_student_data ||= false unless includes_student_survey_items?
-    return @sufficient_student_data ||= false if student_survey_items_by_survey_type(school:, academic_year:).all? do |survey_item|
-                                                   survey_item.survey_item_responses.where(school:, academic_year:).none?
-                                                 end
+    return @sufficient_student_data ||= false if no_student_responses_exist?(school:, academic_year:)
 
     @sufficient_student_data ||= subcategory.response_rate(school:, academic_year:).meets_student_threshold?
   end
 
   def sufficient_teacher_data?(school:, academic_year:)
     return @sufficient_teacher_data ||= false unless includes_teacher_survey_items?
-    return @sufficient_teacher_data ||= false if teacher_survey_items.all? do |survey_item|
-                                                   survey_item.survey_item_responses.where(school:, academic_year:).none?
-                                                 end
+    return @sufficient_teacher_data ||= false if no_teacher_responses_exist?(school:, academic_year:)
 
     @sufficient_teacher_data ||= subcategory.response_rate(school:, academic_year:).meets_teacher_threshold?
   end
+
+  def no_student_responses_exist?(school:, academic_year:)
+    student_survey_items_by_survey_type(school:,
+                                        academic_year:).all? do |survey_item|
+      survey_item.survey_item_responses.where(school:,
+                                              academic_year:).none?
+    end
+  end
+
+  def no_teacher_responses_exist?(school:, academic_year:)
+    teacher_survey_items.all? do |survey_item|
+      survey_item.survey_item_responses.where(school:,
+                                              academic_year:).none?
+    end
+  end
+
+  def incalculable_score(school:, academic_year:)
+    meets_student_threshold = sufficient_student_data?(school:, academic_year:)
+    meets_teacher_threshold = sufficient_teacher_data?(school:, academic_year:)
+    lacks_sufficient_survey_data = !meets_student_threshold && !meets_teacher_threshold
+    lacks_sufficient_survey_data && !includes_admin_data_items?
+  end
+
+  def collect_averages_for_teacher_student_and_admin_data(school:, academic_year:)
+    scores = []
+    scores << teacher_average(school:, academic_year:) if sufficient_teacher_data?(school:, academic_year:)
+    scores << student_average(school:, academic_year:) if sufficient_student_data?(school:, academic_year:)
+    scores << admin_data_averages(school:, academic_year:) if includes_admin_data_items?
+    scores
+  end
+
+  def teacher_average(school:, academic_year:)
+    collect_survey_item_average(survey_items: teacher_survey_items, school:, academic_year:)
+  end
+
+  def student_average(school:, academic_year:)
+    collect_survey_item_average(survey_items: student_survey_items_by_survey_type(school:, academic_year:), school:,
+                                academic_year:)
+  end
+
+  def admin_data_averages(school:, academic_year:)
+    collect_admin_scale_average(admin_data_items:, school:, academic_year:)
+  end
 end

app/models/score.rb

@@ -1,2 +1,3 @@
 class Score < Struct.new(:average, :meets_teacher_threshold?, :meets_student_threshold?, :meets_admin_data_threshold?)
+  NIL_SCORE = Score.new(nil, false, false, false)
 end

app/models/subcategory.rb

@@ -17,7 +17,7 @@ class Subcategory < ActiveRecord::Base
     end
 
     if @response_rate[[school, academic_year]].nil?
-      @response_rate[[school, academic_year]] = create_response_rate(subcategory: self, school:, academic_year:)
+      @response_rate[[school, academic_year]] = create_response_rate(school:, academic_year:)
     end
 
     @response_rate[[school, academic_year]]
@@ -25,10 +25,11 @@ class Subcategory < ActiveRecord::Base
 
   private
 
-  def create_response_rate(subcategory:, school:, academic_year:)
+  def create_response_rate(school:, academic_year:)
     student = StudentResponseRateCalculator.new(subcategory: self, school:, academic_year:)
     teacher = TeacherResponseRateCalculator.new(subcategory: self, school:, academic_year:)
-    ResponseRate.create(school:, academic_year:, subcategory: self, student_response_rate: student.rate, teacher_response_rate: teacher.rate,
-                        meets_student_threshold: student.meets_student_threshold?, meets_teacher_threshold: teacher.meets_teacher_threshold?)
+    ResponseRate.create(school:, academic_year:, subcategory: self, student_response_rate: student.rate,
+                        teacher_response_rate: teacher.rate, meets_student_threshold: student.meets_student_threshold?,
+                        meets_teacher_threshold: teacher.meets_teacher_threshold?)
   end
 end

app/presenters/analyze_bar_presenter.rb

@@ -41,7 +41,7 @@ class AnalyzeBarPresenter
                  else
                    0.0
                  end
-    bar_height < MINIMUM_BAR_HEIGHT ? MINIMUM_BAR_HEIGHT : bar_height
+    enforce_minimum_height(bar_height:)
   end
 
   def percentage
@@ -63,4 +63,10 @@ class AnalyzeBarPresenter
 
     score.average.round(6)
   end
+
+  private
+
+  def enforce_minimum_height(bar_height:)
+    bar_height < MINIMUM_BAR_HEIGHT ? MINIMUM_BAR_HEIGHT : bar_height
+  end
 end

app/services/survey_responses_data_loader.rb

@@ -4,11 +4,7 @@ class SurveyResponsesDataLoader
   def self.load_data(filepath:)
     File.open(filepath) do |file|
       headers = file.first
-
-      survey_item_ids = CSV.parse(headers, headers: true).headers
-                           .filter { |header| header.present? }
-                           .filter { |header| header.start_with? 't-' or header.start_with? 's-' }
-      survey_items = SurveyItem.where(survey_item_id: survey_item_ids)
+      survey_items = SurveyItem.where(survey_item_id: get_survey_item_ids_from_headers(file:, headers:))
 
       file.lazy.each_slice(1000) do |lines|
         survey_item_responses = CSV.parse(lines.join, headers:).map do |row|
@@ -23,17 +19,16 @@ class SurveyResponsesDataLoader
   private
 
   def self.process_row(row:, survey_items:)
-    response_date = Date.parse(row['Recorded Date'] || row['RecordedDate'])
-    academic_year = AcademicYear.find_by_date response_date
+    return unless dese_id?(row['DESE ID'])
 
+    school = School.find_by_dese_id(row['DESE ID'])
+    return unless school.present?
+
+    process_survey_items(row:, survey_items:, school:)
+  end
+
+  def self.process_survey_items(row:, survey_items:, school:)
     response_id = row['Response ID'] || row['ResponseId'] || row['ResponseID']
-
-    dese_id = row['DESE ID']
-    return if dese_id.nil?
-
-    school = School.find_by_dese_id(dese_id)
-    return if school.nil?
-
     survey_items.map do |survey_item|
       likert_score = row[survey_item.survey_item_id]
       next if likert_score.nil?
@@ -44,22 +39,42 @@ class SurveyResponsesDataLoader
       end
 
       survey_item_response = SurveyItemResponse.where(response_id:, survey_item:).first
-      if survey_item_response.present?
-        survey_item_response.update!(likert_score:) if survey_item_response.likert_score != likert_score
-        next
-      else
-        SurveyItemResponse.new(
-          response_id:,
-          academic_year:,
-          school:,
-          survey_item:,
-          likert_score:
-        )
-      end
+      create_or_update_survey_item_response(survey_item_response:, likert_score:, school:, response_id:, row:,
+                                            survey_item:)
     end.compact
   end
 
+  def self.create_or_update_survey_item_response(survey_item_response:, likert_score:, school:, row:, survey_item:, response_id:)
+    if survey_item_response.present?
+      survey_item_response.update!(likert_score:) if survey_item_response.likert_score != likert_score
+      []
+    else
+      SurveyItemResponse.new(response_id:, academic_year: academic_year(row), school:, survey_item:, likert_score:)
+    end
+  end
+
+  def self.get_survey_item_ids_from_headers(file:, headers:)
+    CSV.parse(headers, headers: true).headers
+       .filter { |header| header.present? }
+       .filter { |header| header.start_with? 't-' or header.start_with? 's-' }
+  end
+
+  def self.dese_id?(dese_id)
+    dese_id.present?
+  end
+
+  def self.response_date(row)
+    Date.parse(row['Recorded Date'] || row['RecordedDate'])
+  end
+
+  def self.academic_year(row)
+    AcademicYear.find_by_date response_date(row)
+  end
+
   private_class_method :process_row
+  private_class_method :process_survey_items
+  private_class_method :get_survey_item_ids_from_headers
+  private_class_method :dese_id?
 end
 
 module StringMonkeyPatches