GL-103: Add Admin UI for creating category assessment data

app/controllers/green_lanes/category_assessments_controller.rb

@@ -1,12 +1,38 @@
 module GreenLanes
   class CategoryAssessmentsController < AuthenticatedController
+    before_action :disable_service_switching!
     before_action :check_service
     def index
       @category_assessments = GreenLanes::CategoryAssessment.all(page: current_page).fetch
     end
 
+    def new
+      @category_assessment = GreenLanes::CategoryAssessment.new
+      @themes = GreenLanes::Theme.all.fetch
+    end
+
+    def create
+      @category_assessment = GreenLanes::CategoryAssessment.new(ca_params)
+
+      if @category_assessment.valid? && @category_assessment.save
+        redirect_to green_lanes_category_assessments_path, notice: 'Category Assessment created'
+      else
+        @themes = GreenLanes::Theme.all.fetch
+        render :new
+      end
+    end
+
     private
 
+    def ca_params
+      params.require(:category_assessment).permit(
+        :regulation_id,
+        :regulation_role,
+        :measure_type_id,
+        :theme_id,
+        )
+    end
+
     def check_service
       if TradeTariffAdmin::ServiceChooser.uk?
         raise ActionController::RoutingError, 'Invalid service'

app/models/green_lanes/theme.rb

@@ -0,0 +1,27 @@
+module GreenLanes
+  class Theme
+    include Her::JsonApi::Model
+    use_api Her::XI_API
+
+    MAX_LENGTH = 50
+
+    attributes :section,
+               :subsection,
+               :theme,
+               :description,
+               :category,
+               :created_at,
+               :updated_at
+
+    collection_path '/admin/themes'
+
+    def label
+      "#{category} - #{short_theme}"
+    end
+
+    private
+    def short_theme
+      theme.length > MAX_LENGTH ? "#{theme[0...MAX_LENGTH]}..." : theme
+    end
+  end
+end

app/views/green_lanes/category_assessments/_form.html.erb

@@ -0,0 +1,24 @@
+<%= govuk_form_for category_assessment, as: :category_assessment do |f| %>
+
+  <%= f.govuk_text_field :measure_type_id,
+                         label: { text: 'Measure Type Id' },
+                         width: 'one-half' %>
+
+  <%= f.govuk_text_field :regulation_id,
+                         label: { text: 'Regulation Id' },
+                         width: 'one-half' %>
+
+  <%= f.govuk_text_field :regulation_role,
+                         label: { text: 'Regulation Role' },
+                         width: 'one-half' %>
+
+  <%= f.govuk_collection_select :theme_id,
+                                @themes,
+                                :id,
+                                :label,
+                                options: { include_blank: 'Select Theme' },
+                                label: { text: 'Select Theme' } %>
+
+  <%= submit_and_back_buttons f, green_lanes_category_assessments_path %>
+<% end %>
+

app/views/green_lanes/category_assessments/index.html.erb

@@ -2,6 +2,8 @@
   Manage category assessments
 </h2>
 
+<%= link_to 'Add a Category Assessment', new_green_lanes_category_assessment_path, class: 'govuk-button' %>
+
 <% if @category_assessments.any? %>
   <table>
     <thead>

app/views/green_lanes/category_assessments/new.html.erb

@@ -0,0 +1,5 @@
+<%= govuk_breadcrumbs 'Category Assessments': green_lanes_category_assessments_path %>
+
+<h2>New Category Assessment</h2>
+
+<%= render 'form', category_assessment: @category_assessment %>

config/routes.rb

@@ -63,7 +63,7 @@
   end
 
   namespace :green_lanes, path: 'green_lanes' do
-    resources :category_assessments, only: %i[index]
+    resources :category_assessments, only: %i[index new create]
   end
 
   resources :tariff_updates, only: %i[index show] do

spec/factories/green_lanes/theme_factory.rb

@@ -0,0 +1,22 @@
+FactoryBot.define do
+  factory :green_lanes_theme, class: 'GreenLanes::Theme' do
+    sequence(:id) { |n| n }
+    section               { 1 }
+    sequence(:subsection) { |n| n }
+    sequence(:theme)      { |n| "Theme #{n}" }
+    description           { 'Some description' }
+    category              { 2 }
+
+    trait :category1 do
+      category { 1 }
+    end
+
+    trait :category2 do
+      category { 2 }
+    end
+
+    trait :category3 do
+      category { 3 }
+    end
+  end
+end

spec/requests/green_lanes/category_assessments_controller_spec.rb

@@ -17,5 +17,48 @@
     let(:make_request) { get green_lanes_category_assessments_path }
 
     it { is_expected.to have_http_status :success }
+    it { is_expected.not_to include 'div.current-service' }
   end
+
+  describe 'GET #new' do
+    before do
+      stub_api_request('/admin/themes', backend: 'xi').and_return \
+        jsonapi_response :themes, attributes_for_list(:green_lanes_theme, 3)
+    end
+
+    let(:make_request) { get new_green_lanes_category_assessment_path }
+
+    it { is_expected.to have_http_status :ok }
+    it { is_expected.not_to include 'div.current-service' }
+  end
+
+  describe 'POST #create' do
+    before do
+      stub_api_request('/admin/category_assessments', :post).to_return create_response
+      stub_api_request('/admin/themes', backend: 'xi').and_return \
+        jsonapi_response :themes, attributes_for_list(:green_lanes_theme, 3)
+    end
+
+    let :make_request do
+      post green_lanes_category_assessments_path,
+           params: { category_assessment: ca_params }
+    end
+
+    context 'with valid item' do
+      let(:ca_params) { category_assessment.attributes.without(:id) }
+      let(:create_response) { webmock_response(:created, category_assessment.attributes) }
+
+      it { is_expected.to redirect_to green_lanes_category_assessments_path }
+    end
+
+    context 'with invalid item' do
+      let(:ca_params) { category_assessment.attributes.without(:id, :measure_type_id) }
+      let(:create_response) { webmock_response(:error, measure_type_id: "can't be blank'") }
+
+      it { is_expected.to have_http_status :ok }
+      it { is_expected.to have_attributes body: /can.+t be blank/ }
+      it { is_expected.not_to include 'div.current-service' }
+    end
+  end
+
 end