Returns required - Select an existing return requirement from basic page

app/controllers/return-requirements.controller.js

@@ -73,6 +73,18 @@ async function checkYourAnswers (request, h) {
   })
 }
 
+async function existing (request, h) {
+  const { sessionId } = request.params
+
+  const session = await SessionModel.query().findById(sessionId)
+
+  return h.view('return-requirements/existing.njk', {
+    activeNavBar: 'search',
+    pageTitle: 'Select an existing return requirement from',
+    ...session
+  })
+}
+
 async function frequencyCollected (request, h) {
   const { sessionId } = request.params
 
@@ -213,6 +225,12 @@ async function submitCheckYourAnswers (request, h) {
   return h.redirect(`/system/return-requirements/${licenceId}/approved`)
 }
 
+async function submitExisting (request, h) {
+  const { sessionId } = request.params
+
+  return h.redirect(`/system/return-requirements/${sessionId}/check-your-answers`)
+}
+
 async function submitFrequencyCollected (request, h) {
   const { sessionId } = request.params
 
@@ -307,6 +325,7 @@ module.exports = {
   agreementsExceptions,
   approved,
   checkYourAnswers,
+  existing,
   frequencyCollected,
   frequencyReported,
   noReturnsRequired,
@@ -321,6 +340,7 @@ module.exports = {
   submitAddNote,
   submitAgreementsExceptions,
   submitCheckYourAnswers,
+  submitExisting,
   submitFrequencyCollected,
   submitFrequencyReported,
   submitNoReturnsRequired,

app/routes/return-requirement.routes.js

@@ -120,6 +120,32 @@ const routes = [
       description: 'Submit check your answers'
     }
   },
+  {
+    method: 'GET',
+    path: '/return-requirements/{sessionId}/existing',
+    handler: ReturnRequirementsController.existing,
+    options: {
+      auth: {
+        access: {
+          scope: ['billing']
+        }
+      },
+      description: 'Select an existing return requirement from'
+    }
+  },
+  {
+    method: 'POST',
+    path: '/return-requirements/{sessionId}/existing',
+    handler: ReturnRequirementsController.submitExisting,
+    options: {
+      auth: {
+        access: {
+          scope: ['billing']
+        }
+      },
+      description: 'Submit an existing return requirement from'
+    }
+  },
   {
     method: 'GET',
     path: '/return-requirements/{sessionId}/frequency-collected',

app/views/return-requirements/existing.njk

@@ -0,0 +1,28 @@
+{% extends 'layout.njk' %}
+{% from "govuk/components/back-link/macro.njk" import govukBackLink %}
+{% from "govuk/components/button/macro.njk" import govukButton %}
+
+{% set rootLink = "/system/return-requirements/" + id %}
+
+{% block breadcrumbs %}
+  {# Back link #}
+  {{
+    govukBackLink({
+      text: 'Back',
+      href: rootLink + "/setup"
+    })
+  }}
+{% endblock %}
+
+{% block content %}
+  {# Main heading #}
+  <div class="govuk-body">
+    <h1 class="govuk-heading-xl govuk-!-margin-bottom-3">{{ pageTitle }}</h1>
+  </div>
+
+  <form method="post">
+    <div class="govuk-body">
+      {{ govukButton({ text: "Continue" }) }}
+    </div>
+  </form>
+{% endblock %}

test/controllers/return-requirements.controller.test.js

@@ -91,6 +91,17 @@ describe('Return requirements controller', () => {
     })
   })
 
+  describe('GET /return-requirements/{sessionId}/existing', () => {
+    describe('when the request succeeds', () => {
+      it('returns the page successfully', async () => {
+        const response = await server.inject(_options('existing'))
+
+        expect(response.statusCode).to.equal(200)
+        expect(response.payload).to.contain('Select an existing return requirement from')
+      })
+    })
+  })
+
   describe('GET /return-requirements/{sessionId}/frequency-collected', () => {
     describe('when the request succeeds', () => {
       it('returns the page successfully', async () => {