Add counter caches

app/javascript/controllers/analyze_controller.js

@@ -1,21 +1,19 @@
-import { Controller } from "@hotwired/stimulus"
+import { Controller } from "@hotwired/stimulus";
 
 // Connects to data-controller="analyze"
 export default class extends Controller {
-  connect() { }
+  connect() {}
   refresh(event) {
-    let location = event.target.value+ "&academic_years=";
+    let location = event.target.value;
-    let year_checkboxes = document.getElementsByName("year-checkbox");
+    let year_checkboxes = [...document.getElementsByName("year-checkbox")];
-    let selected_years = [];
 
-    let ending = "";
+    let selected_years = year_checkboxes
-    year_checkboxes.forEach((item)=>{
+      .filter((item) => {
-      if(item.checked) {
+        return item.checked;
-        selected_years.push(item.id)
+      })
-      }
+      .map((item) => {
-    })
+        return item.id;
-
+      });
-    console.log(location)
+    window.location = location + "&academic_years=" + selected_years.join(",");
-    window.location = location + selected_years.join(",")
   }
 }

app/models/measure.rb

@@ -1,5 +1,5 @@
 class Measure < ActiveRecord::Base
-  belongs_to :subcategory
+  belongs_to :subcategory, counter_cache: true
   has_one :category, through: :subcategory
   has_many :scales
   has_many :admin_data_items, through: :scales
@@ -203,14 +203,23 @@ class Measure < ActiveRecord::Base
   end
 
   def sufficient_student_data?(school:, academic_year:)
-    return false unless includes_student_survey_items?
+    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
 
-    @sufficient_student_data ||= subcategory.response_rate(school:, academic_year:).meets_student_threshold
+    @sufficient_student_data ||= subcategory.response_rate(school:, academic_year:).meets_student_threshold?
   end
 
   def sufficient_teacher_data?(school:, academic_year:)
-    return false unless includes_teacher_survey_items?
+    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
 
-    @sufficient_teacher_data ||= subcategory.response_rate(school:, academic_year:).meets_teacher_threshold
+    @sufficient_teacher_data ||= subcategory.response_rate(school:, academic_year:).meets_teacher_threshold?
   end
 end

app/models/scale.rb

@@ -1,5 +1,5 @@
 class Scale < ApplicationRecord
-  belongs_to :measure
+  belongs_to :measure, counter_cache: true
   has_many :survey_items
   has_many :survey_item_responses, through: :survey_items
   has_many :admin_data_items

app/models/subcategory.rb

@@ -1,5 +1,5 @@
 class Subcategory < ActiveRecord::Base
-  belongs_to :category
+  belongs_to :category, counter_cache: true
 
   has_many :measures
 

app/models/survey_item.rb

@@ -1,5 +1,5 @@
 class SurveyItem < ActiveRecord::Base
-  belongs_to :scale
+  belongs_to :scale, counter_cache: true
   has_one :measure, through: :scale
   has_one :subcategory, through: :measure
 

app/models/survey_item_response.rb

@@ -4,7 +4,7 @@ class SurveyItemResponse < ActiveRecord::Base
 
   belongs_to :academic_year
   belongs_to :school
-  belongs_to :survey_item
+  belongs_to :survey_item, counter_cache: true
   has_one :measure, through: :survey_item
 
   scope :exclude_boston, lambda {

app/services/response_rate_loader.rb

@@ -1,5 +1,5 @@
 class ResponseRateLoader
-  def self.refresh
+  def self.reset
     schools = School.all
     academic_years = AcademicYear.all
     subcategories = Subcategory.all

db/migrate/20220616211049_add_survey_item_responses_count_to_survey_item.rb

@@ -0,0 +1,5 @@
+class AddSurveyItemResponsesCountToSurveyItem < ActiveRecord::Migration[7.0]
+  def change
+    add_column :survey_items, :survey_item_responses_count, :integer
+  end
+end

db/migrate/20220616211211_reset_all_survey_item_cache_counters.rb

@@ -0,0 +1,9 @@
+class ResetAllSurveyItemCacheCounters < ActiveRecord::Migration[7.0]
+  def up
+    SurveyItem.all.each do |survey_item|
+      SurveyItem.reset_counters(survey_item.id, :survey_item_responses)
+    end
+  end
+
+  def down; end
+end

db/migrate/20220616214126_add_survey_items_count_to_scales.rb

@@ -0,0 +1,5 @@
+class AddSurveyItemsCountToScales < ActiveRecord::Migration[7.0]
+  def change
+    add_column :scales, :survey_items_count, :integer
+  end
+end

db/migrate/20220616214236_reset_all_scale_cache_counters.rb

@@ -0,0 +1,9 @@
+class ResetAllScaleCacheCounters < ActiveRecord::Migration[7.0]
+  def up
+    Scale.all.each do |scale|
+      Scale.reset_counters(scale.id, :survey_items)
+    end
+  end
+
+  def down; end
+end

db/migrate/20220616214910_add_scales_count_to_measures.rb

@@ -0,0 +1,5 @@
+class AddScalesCountToMeasures < ActiveRecord::Migration[7.0]
+  def change
+    add_column :measures, :scales_count, :integer
+  end
+end

db/migrate/20220616215010_reset_all_measure_cache_counters.rb

@@ -0,0 +1,9 @@
+class ResetAllMeasureCacheCounters < ActiveRecord::Migration[7.0]
+  def up
+    Measure.all.each do |measure|
+      Measure.reset_counters(measure.id, :scales)
+    end
+  end
+
+  def down; end
+end

db/migrate/20220616215452_add_measures_count_to_subcategories.rb

@@ -0,0 +1,5 @@
+class AddMeasuresCountToSubcategories < ActiveRecord::Migration[7.0]
+  def change
+    add_column :subcategories, :measures_count, :integer
+  end
+end

db/migrate/20220616215952_reset_all_subcategory_cache_counters.rb

@@ -0,0 +1,9 @@
+class ResetAllSubcategoryCacheCounters < ActiveRecord::Migration[7.0]
+  def up
+    Subcategory.all.each do |subcategory|
+      Subcategory.reset_counters(subcategory.id, :measures)
+    end
+  end
+
+  def down; end
+end

db/migrate/20220616220306_add_subcategories_count_to_categories.rb

@@ -0,0 +1,5 @@
+class AddSubcategoriesCountToCategories < ActiveRecord::Migration[7.0]
+  def change
+    add_column :categories, :subcategories_count, :integer
+  end
+end

db/migrate/20220616220352_reset_all_category_cache_counters.rb

@@ -0,0 +1,9 @@
+class ResetAllCategoryCacheCounters < ActiveRecord::Migration[7.0]
+  def up
+    Category.all.each do |category|
+      Category.reset_counters(category.id, :subcategories)
+    end
+  end
+
+  def down; end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2022_06_14_211616) do
+ActiveRecord::Schema[7.0].define(version: 2022_06_16_220352) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -57,6 +57,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_06_14_211616) do
     t.datetime "updated_at", null: false
     t.string "category_id", null: false
     t.string "short_description"
+    t.integer "subcategories_count"
     t.index ["slug"], name: "index_categories_on_slug", unique: true
   end
 
@@ -283,6 +284,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_06_14_211616) do
     t.text "description"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "scales_count"
     t.index ["measure_id"], name: "index_measures_on_measure_id"
     t.index ["subcategory_id"], name: "index_measures_on_subcategory_id"
   end
@@ -319,6 +321,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_06_14_211616) do
     t.bigint "measure_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "survey_items_count"
     t.index ["measure_id"], name: "index_scales_on_measure_id"
     t.index ["scale_id"], name: "index_scales_on_scale_id", unique: true
   end
@@ -343,6 +346,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_06_14_211616) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.string "subcategory_id", null: false
+    t.integer "measures_count"
   end
 
   create_table "survey_item_responses", id: :serial, force: :cascade do |t|
@@ -371,6 +375,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_06_14_211616) do
     t.float "ideal_low_benchmark"
     t.bigint "scale_id", null: false
     t.boolean "on_short_form", default: false
+    t.integer "survey_item_responses_count"
     t.index ["scale_id"], name: "index_survey_items_on_scale_id"
     t.index ["survey_item_id"], name: "index_survey_items_on_survey_item_id"
   end

lib/tasks/data.rake

@@ -49,9 +49,9 @@ namespace :data do
   end
 
   desc 'refresh response rate values'
-  task refresh_response_rates: :environment do
+  task reset_response_rates: :environment do
     puts 'Refreshing response rates'
-    ResponseRateLoader.refresh
+    ResponseRateLoader.reset
     puts "=====================> Completed loading #{ResponseRate.count} survey responses"
   end
 
@@ -63,6 +63,31 @@ namespace :data do
     end
     puts "=====================> Completed loading #{AdminDataValue.count} survey responses"
   end
+
+  desc 'reset all cache counters'
+  task reset_cache_counters: :environment do
+    puts '=====================> Resetting Category counters'
+    Category.all.each do |category|
+      Category.reset_counters(category.id, :subcategories)
+    end
+    puts '=====================> Resetting Subcategory counters'
+    Subcategory.all.each do |subcategory|
+      Subcategory.reset_counters(subcategory.id, :measures)
+    end
+    puts '=====================> Resetting Measure counters'
+    Measure.all.each do |measure|
+      Measure.reset_counters(measure.id, :scales)
+    end
+    puts '=====================> Resetting Scale counters'
+    Scale.all.each do |scale|
+      Scale.reset_counters(scale.id, :survey_items)
+    end
+    puts '=====================> Resetting SurveyItem counters'
+    SurveyItem.all.each do |survey_item|
+      SurveyItem.reset_counters(survey_item.id, :survey_item_responses)
+    end
+  end
+
   desc 'Load in all data'
   task load: :environment do
     # return if School.count > 0

spec/services/response_rate_loader_spec.rb

@@ -44,7 +44,7 @@ describe ResponseRateLoader do
     DatabaseCleaner.clean
   end
 
-  describe 'self.refresh' do
+  describe 'self.reset' do
     context 'When refreshing response rates' do
       context 'and half the students responded to each question' do
         before :each do
@@ -58,7 +58,7 @@ describe ResponseRateLoader do
           create_list(:survey_item_response, 5, survey_item: t_phya_q2, likert_score: 3, school:, academic_year:)
           create_list(:survey_item_response, 5, survey_item: t_phya_q3, likert_score: 3, school:, academic_year:)
 
-          ResponseRateLoader.refresh
+          ResponseRateLoader.reset
         end
 
         it 'populates the database with response rates' do
@@ -76,7 +76,7 @@ describe ResponseRateLoader do
         context 'when running the loader a second time' do
           it 'is idempotent' do
             response_count = ResponseRate.count
-            ResponseRateLoader.refresh
+            ResponseRateLoader.reset
             second_count = ResponseRate.count
 
             expect(response_count).to eq second_count
@@ -90,7 +90,7 @@ describe ResponseRateLoader do
           create_list(:survey_item_response, 5, survey_item: s_poaf_q1, likert_score: 3, school:, academic_year:)
           create_list(:survey_item_response, 5, survey_item: t_phya_q2, likert_score: 3, school:, academic_year:)
 
-          ResponseRateLoader.refresh
+          ResponseRateLoader.reset
         end
 
         it 'only takes into account the first question and ignores the other questions in the scale' do
@@ -106,7 +106,7 @@ describe ResponseRateLoader do
           create_list(:survey_item_response, 5, survey_item: s_poaf_q1, likert_score: 3, school:, academic_year:)
           create_list(:survey_item_response, 5, survey_item: t_phya_q2, likert_score: 3, school:, academic_year:)
 
-          ResponseRateLoader.refresh
+          ResponseRateLoader.reset
         end
 
         it 'since no score can be calculated, it returns a default of 100' do
@@ -128,7 +128,7 @@ describe ResponseRateLoader do
           create_list(:survey_item_response, 1, survey_item: t_phya_q3, likert_score: 3, school:, academic_year:)
           short_form_survey
 
-          ResponseRateLoader.refresh
+          ResponseRateLoader.reset
         end
 
         it 'only counts responses from survey items on the short form' do

spec/views/analyze/index.html.erb_spec.rb

@@ -107,7 +107,7 @@ describe 'analyze/index' do
     end
 
     it 'displays disabled checkboxes for years that dont have data' do
-      ResponseRateLoader.refresh
+      ResponseRateLoader.reset
       year_checkbox = subject.css("##{academic_year.range}").first
       expect(year_checkbox.name).to eq 'input'
       expect(academic_year.range).to eq '2050-51'