EducationLevel model and APIs

backend/app/controllers/api/v1/education_levels_controller.rb

@@ -0,0 +1,18 @@
+class Api::V1::EducationLevelsController < Api::BaseController
+  def index
+    render json: EducationLevel.all
+  end
+
+  def show
+    education_level = EducationLevel.find(education_level_id)
+    render json: education_level
+  end
+
+  private
+
+  def education_level_id
+    id = params.require(:id)
+    fail ActionController::BadRequest.new('id param is not a valid education_level id') unless EducationLevel.all_ids.include?(id)
+    id
+  end
+end

backend/app/models/education_level.rb

@@ -0,0 +1,8 @@
+class EducationLevel < RankedEnum
+  class << self
+    def all_ids
+      %w( less_than_hi_school hi_school college_degree bachelors_degree advanced_degree )
+    end
+  end
+end
+

backend/app/serializers/education_level_serializer.rb

@@ -0,0 +1,2 @@
+class EducationLevelSerializer < RankedEnumSerializer
+end

backend/config/locales/en.yml

@@ -1,5 +1,12 @@
 en:
 
+  education_level:
+    less_than_hi_school: "Less than high school"
+    hi_school: "High school diploma"
+    college_degree: "Some college or associate's degree"
+    bachelors_degree: "Bachelor's degree"
+    advanced_degree: "Advanced degree"
+
   ethnicity:
     latino: "Latino or Hispanic"
     white: "European or White"

backend/config/routes.rb

@@ -30,6 +30,10 @@
       resources :conditions, only: [:index, :show, :create]
 
       #
+      # Education Levels
+      #
+      resources :education_levels, only: [:index, :show]
+
       #
       # Ethnicities
       #

backend/spec/controllers/api/v1/education_levels_controller_spec.rb

@@ -0,0 +1,43 @@
+require 'rails_helper'
+
+RSpec.describe Api::V1::EducationLevelsController do
+  let(:test_education_level_id) { 'bachelors_degree' }
+  let(:test_education_level_name_en) { "Bachelor's degree" }
+
+  describe 'index' do
+    let(:all_education_levels_count) { EducationLevel.all.count }
+    it 'returns all education_levels' do
+      get :index
+      expect(response_body[:education_levels].size).to eq all_education_levels_count
+    end
+    context "with 'en' locale" do
+      before { I18n.default_locale = 'en' }
+      it "returns 'en' translations" do
+        get :index
+        test_education_level = response_body[:education_levels].find { |c| c[:id].eql?(test_education_level_id) }
+        expect(test_education_level[:name]).to eq test_education_level_name_en
+      end
+    end
+  end
+
+  describe 'show' do
+    it 'returns test education_level' do
+      get :show, id: test_education_level_id
+      expect(response_body[:education_level][:id]).to eq test_education_level_id
+    end
+    context "with 'en' locale" do
+      before { I18n.default_locale = 'en' }
+      it "returns 'en' translation" do
+        get :show, id: test_education_level_id
+        expect(response_body[:education_level][:name]).to eq test_education_level_name_en
+      end
+    end
+    context 'with invalid education_level id' do
+      let(:invalid_education_level_id) { 'blah' }
+      it 'returns 400 (Bad Request)' do
+        get :show, id: invalid_education_level_id
+        expect(response.status).to eq 400
+      end
+    end
+  end
+end