@defra-fish/gafl-webapp-service/src/pages/recurring-payments/cancel/identify/route.js

The websales frontend for the GAFL service

import { CANCEL_RP_AUTHENTICATE, CANCEL_RP_IDENTIFY } from '../../../../uri.js'
import pageRoute from '../../../../routes/page-route.js'
import Joi from 'joi'
import { validation } from '@defra-fish/business-rules-lib'
import { addLanguageCodeToUri } from '../../../../processors/uri-helper.js'
import GetDataRedirect from '../../../../handlers/get-data-redirect.js'
import { dateOfBirthValidator, getDateErrorFlags } from '../../../../schema/validators/validators.js'
import { runValidators } from '../../../../utils/validators.js'

export const getData = async request => {
  const permission = await request.cache().helpers.transaction.getCurrentPermission()
  const page = await request.cache().helpers.page.getCurrentPermission(CANCEL_RP_IDENTIFY.page)

  if (permission.referenceNumber) {
    const validatePermissionNumber = validation.permission
      .permissionNumberUniqueComponentValidator(Joi)
      .validate(permission.referenceNumber)
    if (validatePermissionNumber.error) {
      await request.cache().helpers.transaction.setCurrentPermission({ referenceNumber: null })
      throw new GetDataRedirect(addLanguageCodeToUri(request, CANCEL_RP_IDENTIFY.uri))
    }
  }

  const pageData = {
    referenceNumber: permission.referenceNumber,
    ...getDateErrorFlags(page?.error)
  }

  if (page?.error) {
    const [errorKey] = Object.keys(page.error)
    const errorValue = page.error[errorKey]
    pageData.error = { errorKey, errorValue }
  }

  return pageData
}

export const validator = payload => {
  runValidators(
    [
      p =>
        Joi.assert(
          {
            postcode: p.postcode,
            referenceNumber: p.referenceNumber
          },
          Joi.object({
            referenceNumber: validation.permission.permissionNumberUniqueComponentValidator(Joi),
            postcode: validation.contact.createOverseasPostcodeValidator(Joi)
          }).options({ abortEarly: false })
        ),
      dateOfBirthValidator
    ],
    payload
  )
}

export default pageRoute(
  CANCEL_RP_IDENTIFY.page,
  CANCEL_RP_IDENTIFY.uri,
  validator,
  request => addLanguageCodeToUri(request, CANCEL_RP_AUTHENTICATE.uri),
  getData
)