Add travel_pay/v0/claims route (same as travel_pay/claims) (#18319)

modules/travel_pay/app/controllers/travel_pay/v0/claims_controller.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+module TravelPay
+  module V0
+    class ClaimsController < ApplicationController
+      def index
+        begin
+          claims = service.get_claims(@current_user)
+        rescue Faraday::Error => e
+          TravelPay::ServiceError.raise_mapped_error(e)
+        end
+
+        render json: claims, status: :ok
+      end
+
+      private
+
+      def service
+        @service ||= TravelPay::Service.new
+      end
+
+      def common_exception(e)
+        case e
+        when Faraday::ResourceNotFound
+          Common::Exceptions::ResourceNotFound.new
+        else
+          Common::Exceptions::InternalServerError.new
+        end
+      end
+    end
+  end
+end

modules/travel_pay/config/routes.rb

@@ -1,5 +1,11 @@
 # frozen_string_literal: true
 
 TravelPay::Engine.routes.draw do
-  resources :claims
+  # TODO: remove this mapping once vets-website
+  # is pointing to the /v0/claims routes
+  resources :claims, controller: '/travel_pay/v0/claims'
+
+  namespace :v0 do
+    resources :claims
+  end
 end

modules/travel_pay/spec/requests/travel_pay/claims_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-RSpec.describe 'TravelPay::Claims', type: :request do
+RSpec.describe TravelPay::V0::ClaimsController, type: :request do
   let(:user) { build(:user) }
 
   before do
@@ -19,21 +19,45 @@
         ]
       end
 
-      it 'responds with 200' do
-        VCR.use_cassette('travel_pay/200_claims', match_requests_on: %i[method path]) do
-          get '/travel_pay/claims', params: nil, headers: { 'Authorization' => 'Bearer vagov_token' }
-          expect(response).to have_http_status(:ok)
-          claim_ids = JSON.parse(response.body)['data'].pluck('id')
-          expect(claim_ids).to eq(expected_claim_ids)
+      context '(Older) unversioned API route' do
+        it 'responds with 200' do
+          VCR.use_cassette('travel_pay/200_claims', match_requests_on: %i[method path]) do
+            get '/travel_pay/claims', params: nil, headers: { 'Authorization' => 'Bearer vagov_token' }
+            expect(response).to have_http_status(:ok)
+            claim_ids = JSON.parse(response.body)['data'].pluck('id')
+            expect(claim_ids).to eq(expected_claim_ids)
+          end
+        end
+      end
+
+      context 'Versioned v0 API route' do
+        it 'responds with 200' do
+          VCR.use_cassette('travel_pay/200_claims', match_requests_on: %i[method path]) do
+            get '/travel_pay/v0/claims', params: nil, headers: { 'Authorization' => 'Bearer vagov_token' }
+            expect(response).to have_http_status(:ok)
+            claim_ids = JSON.parse(response.body)['data'].pluck('id')
+            expect(claim_ids).to eq(expected_claim_ids)
+          end
         end
       end
     end
 
     context 'unsuccessful response from API' do
-      it 'responds with a 404 if the API endpoint is not found' do
-        VCR.use_cassette('travel_pay/404_claims', match_requests_on: %i[method path]) do
-          get '/travel_pay/claims', params: nil, headers: { 'Authorization' => 'Bearer vagov_token' }
-          expect(response).to have_http_status(:bad_request)
+      context '(Older) unversioned API route' do
+        it 'responds with a 404 if the API endpoint is not found' do
+          VCR.use_cassette('travel_pay/404_claims', match_requests_on: %i[method path]) do
+            get '/travel_pay/claims', params: nil, headers: { 'Authorization' => 'Bearer vagov_token' }
+            expect(response).to have_http_status(:bad_request)
+          end
+        end
+      end
+
+      context 'Versioned v0 API route' do
+        it 'responds with a 404 if the API endpoint is not found' do
+          VCR.use_cassette('travel_pay/404_claims', match_requests_on: %i[method path]) do
+            get '/travel_pay/v0/claims', params: nil, headers: { 'Authorization' => 'Bearer vagov_token' }
+            expect(response).to have_http_status(:bad_request)
+          end
         end
       end
     end