Add academic years as an ActiveRecord object

app/controllers/dashboard_controller.rb

@@ -28,7 +28,7 @@ class DashboardController < ApplicationController
   end
 
   def academic_year
-    @academic_year ||= params[:year]
+    @academic_year ||= AcademicYear.find_by_range params[:year]
   end
 
 end

app/helpers/dashboard_helper.rb

@@ -1,6 +1,6 @@
 module DashboardHelper
   def format_academic_year(ay)
-    years = ay.split('-')
+    years = ay.range.split('-')
     "#{years.first} – 20#{years.second}"
   end
 end

app/models/academic_year.rb

@@ -0,0 +1,3 @@
+class AcademicYear < ActiveRecord::Base
+
+end

app/models/survey_item_response.rb

@@ -1,4 +1,5 @@
 class SurveyItemResponse < ActiveRecord::Base
+  belongs_to :academic_year
   belongs_to :school
   belongs_to :survey_item
 end

db/migrate/20210921154637_create_academic_years.rb

@@ -0,0 +1,8 @@
+class CreateAcademicYears < ActiveRecord::Migration[5.0]
+  def change
+    create_table :academic_years do |t|
+      t.string :range, null: false, unique: true
+      t.index :range, unique: true
+    end
+  end
+end

db/migrate/20210921155142_add_foreign_key_from_survey_item_responses_to_academic_year.rb

@@ -0,0 +1,13 @@
+class AddForeignKeyFromSurveyItemResponsesToAcademicYear < ActiveRecord::Migration[5.0]
+  def up
+    remove_column :survey_item_responses, :academic_year
+    add_column :survey_item_responses, :academic_year_id, :integer, null: false
+    add_foreign_key :survey_item_responses, :academic_years
+  end
+
+  def down
+    remove_foreign_key :survey_item_responses, :academic_years
+    remove_column :survey_item_responses, :academic_year_id
+    add_column :survey_item_responses, :academic_year, :string
+  end
+end

db/schema.rb

@@ -10,11 +10,16 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20210921133545) do
+ActiveRecord::Schema.define(version: 20210921155142) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "academic_years", force: :cascade do |t|
+    t.string "range", null: false
+    t.index ["range"], name: "index_academic_years_on_range", unique: true, using: :btree
+  end
+
   create_table "attempts", force: :cascade do |t|
     t.integer  "recipient_id"
     t.integer  "schedule_id"
@@ -218,11 +223,11 @@ ActiveRecord::Schema.define(version: 20210921133545) do
   end
 
   create_table "survey_item_responses", force: :cascade do |t|
-    t.string  "academic_year"
     t.integer "likert_score"
-    t.integer "school_id",      null: false
-    t.integer "survey_item_id", null: false
-    t.string  "response_id",    null: false
+    t.integer "school_id",        null: false
+    t.integer "survey_item_id",   null: false
+    t.string  "response_id",      null: false
+    t.integer "academic_year_id", null: false
   end
 
   create_table "survey_items", force: :cascade do |t|
@@ -262,6 +267,7 @@ ActiveRecord::Schema.define(version: 20210921133545) do
   add_foreign_key "school_categories", "categories"
   add_foreign_key "school_categories", "schools"
   add_foreign_key "subcategories", "sqm_categories"
+  add_foreign_key "survey_item_responses", "academic_years"
   add_foreign_key "survey_item_responses", "schools"
   add_foreign_key "survey_item_responses", "survey_items"
   add_foreign_key "survey_items", "measures"

db/seeds.rb

@@ -1,5 +1,10 @@
 require 'csv'
 
+academic_year_ranges = ['2020-21', '2021-22']
+academic_year_ranges.each do |range|
+  AcademicYear.create range: range if AcademicYear.find_by_range(range).nil?
+end
+
 qualtrics_district_and_school_code_key = File.read(Rails.root.join('data', 'qualtrics_district_and_school_code_key.csv'))
 CSV.parse(qualtrics_district_and_school_code_key, headers: true).each do |row|
   district_name = row['District']

spec/features/school_dashboard_feature_spec.rb

@@ -11,7 +11,7 @@ feature "School dashboard", type: feature do
 
   let(:measure_row_bars) { page.all('rect.measure-row-bar') }
 
-  let(:ay_2020_21) { '2020-21' }
+  let(:ay_2020_21) { AcademicYear.find_by_range '2020-21' }
 
   before :each do
     SurveyItemResponse.create response_id: '123abc', academic_year: ay_2020_21, school: school, survey_item: survey_item_1_for_measure, likert_score: 4
@@ -29,7 +29,7 @@ feature "School dashboard", type: feature do
   scenario "User views a school dashboard" do
     page.driver.browser.basic_authorize(username, password)
 
-    visit "/districts/winchester/schools/#{school.slug}/dashboard?year=#{ay_2020_21}"
+    visit "/districts/#{district.slug}/schools/#{school.slug}/dashboard?year=#{ay_2020_21.range}"
 
     expect(page).to have_select('academic-year', selected: '2020 – 2021')
     expect(page).to have_select('district', selected: 'Winchester')

spec/models/survey_response_aggregator_spec.rb

@@ -4,8 +4,8 @@ describe SurveyResponseAggregator, type: :model do
   let(:category) { SqmCategory.create }
   let(:subcategory) { Subcategory.create sqm_category: category }
 
-  let(:ay_2020_21) { '2020-21' }
-  let(:ay_2021_22) { '2021-22' }
+  let(:ay_2020_21) { AcademicYear.find_by_range '2020-21' }
+  let(:ay_2021_22) { AcademicYear.find_by_range '2021-22' }
 
   let(:school_a) { School.create name: 'School A' }
   let(:school_b) { School.create name: 'School A' }