@defra/wls-eps-web-service/src/pages/site/site-got-postcode/site-got-postcode.js

The web service for wildlife licencing of European Protected Species

import Joi from 'joi'
import pageRoute from '../../../routes/page-route.js'
import { APIRequests } from '../../../services/api-requests.js'
import { siteURIs } from '../../../uris.js'
import { checkApplication } from '../../common/check-application.js'
import { boolFromYesNo } from '../../common/common.js'
import { ukPostcodeRegex } from '../../contact/common/postcode/postcode-page.js'
import { addressLookupForPostcode } from '../../contact/common/postcode/postcode.js'

const postcodeInput = 'site-postcode'
const postcodeRadio = 'site-postcode-check'

export const validator = async payload => {
  if (!payload[postcodeInput]) {
    Joi.assert(payload, Joi.object({
      'site-postcode-check': Joi.any().valid('yes', 'no').required()
    }).options({ abortEarly: false, allowUnknown: true }))
  }

  if ((!payload[postcodeInput] || payload[postcodeInput]) && boolFromYesNo(payload[postcodeRadio])) {
    Joi.assert(payload, Joi.object({
      'site-postcode': Joi.string().trim().required().pattern(ukPostcodeRegex).replace(ukPostcodeRegex, '$1 $2').uppercase()
    }).options({ abortEarly: false, allowUnknown: true }))
  }
}

export const getData = async request => {
  const { applicationId } = await request.cache().getData()
  const sites = await APIRequests.SITE.findByApplicationId(applicationId)
  let sitePostcode, siteManualAddress
  if (sites.length) {
    sitePostcode = sites[0]?.address?.postcode
    if (sites[0]?.address && !sitePostcode) {
      siteManualAddress = true
    }
  }
  return { sitePostcode, siteManualAddress }
}

export const setData = async request => {
  const journeyData = await request.cache().getData()
  const { siteData } = journeyData
  const pageData = await request.cache().getPageData()
  const sitePostcode = pageData.payload[postcodeInput]

  // address lookup for the postcode from the request
  await addressLookupForPostcode(sitePostcode, journeyData, request)
  journeyData.siteData = { ...siteData, postcode: sitePostcode }
  await request.cache().setData(journeyData)
}

// when the user selects the site does not have a post code should be directed to the upload file
export const completion = async request => {
  const journeyData = await request.cache().getData()
  const pageData = await request.cache().getPageData()
  delete pageData.payload[postcodeInput]
  let redirectUrl = siteURIs.SELECT_ADDRESS.uri

  if (!journeyData.addressLookup) {
    delete journeyData?.siteData?.postcode
    delete journeyData?.siteData?.address
    redirectUrl = siteURIs.ADDRESS_NO_LOOKUP.uri
  }

  if (pageData?.payload[postcodeRadio] === 'no') {
    delete journeyData?.siteData?.postcode
    delete journeyData?.siteData?.address
    delete journeyData?.addressLookup
    redirectUrl = `${siteURIs.ADDRESS_NO_LOOKUP.uri}?no-postcode=true`
  }
  await request.cache().setData(journeyData)
  await request.cache().setPageData(pageData)
  return redirectUrl
}

export default pageRoute({
  page: siteURIs.SITE_GOT_POSTCODE.page,
  uri: siteURIs.SITE_GOT_POSTCODE.uri,
  checkData: checkApplication,
  validator,
  getData,
  setData,
  completion
})