chore: rename counts_by_grade to enrollment_by_grade for clarity

app/models/report/subcategory.rb

@@ -31,7 +31,7 @@ module Report
 
                 row = [response_rate, subcategory, school, academic_year]
 
-                all_grades = respondents.counts_by_grade.keys
+                all_grades = respondents.enrollment_by_grade.keys
                 grades = "#{all_grades.first}-#{all_grades.last}"
                 mutex.synchronize do
                   data << [school.district.name,

app/models/respondent.rb

@@ -6,8 +6,8 @@ class Respondent < ApplicationRecord
 
   validates :school, uniqueness: { scope: :academic_year }
 
-  def counts_by_grade
-    @counts_by_grade ||= {}.tap do |row|
+  def enrollment_by_grade
+    @enrollment_by_grade ||= {}.tap do |row|
       attributes = %i[pk k one two three four five six seven eight nine ten eleven twelve]
       grades = [-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
       attributes.zip(grades).each do |attribute, grade|

app/models/school.rb

@@ -21,6 +21,6 @@ class School < ApplicationRecord
   end
 
   def grades(academic_year:)
-    Respondent.find_by(school: self, academic_year:)&.counts_by_grade&.keys || (-1..12).to_a
+    Respondent.find_by(school: self, academic_year:)&.enrollment_by_grade&.keys || (-1..12).to_a
   end
 end

app/models/student_response_rate_calculator.rb

@@ -30,11 +30,11 @@ class StudentResponseRateCalculator < ResponseRateCalculator
   end
 
   def enrollment_by_grade
-    @enrollment_by_grade ||= respondents.counts_by_grade
+    @enrollment_by_grade ||= respondents.enrollment_by_grade
   end
 
   def total_enrollment
-    respondents.counts_by_grade.sum
+    respondents.enrollment_by_grade.sum
   end
 
   def survey_items_have_sufficient_responses?

app/presenters/analyze/graph/column/grouped_bar_column_presenter.rb

@@ -142,7 +142,7 @@ module Analyze
         end
 
         def grades(year_index)
-          Respondent.find_by(school:, academic_year: academic_years[year_index]).counts_by_grade.keys
+          Respondent.find_by(school:, academic_year: academic_years[year_index]).enrollment_by_grade.keys
         end
 
         private

app/presenters/response_rate_presenter.rb

@@ -86,7 +86,7 @@ class ResponseRatePresenter
                       .pluck(:grade)
                       .reject(&:nil?)
                       .map do |grade|
-      respondents.counts_by_grade[grade]
+      respondents.enrollment_by_grade[grade]
     end.sum.to_f
   end
 
@@ -95,6 +95,6 @@ class ResponseRatePresenter
   end
 
   def grades
-    respondents.counts_by_grade.keys
+    respondents.enrollment_by_grade.keys
   end
 end

app/services/survey_item_values.rb

@@ -264,8 +264,8 @@ class SurveyItemValues
     return true if respondent_type == :teacher
 
     respondents = Respondent.where(school:, academic_year:).first
-    if respondents.present? && respondents.counts_by_grade[grade].present?
-      enrollment = respondents.counts_by_grade[grade]
+    if respondents.present? && respondents.enrollment_by_grade[grade].present?
+      enrollment = respondents.enrollment_by_grade[grade]
     end
     return false if enrollment.nil?