Remove formatWithoutParsing function and replace it with formatDate

src/apps/companies/apps/dnb-hierarchy/__test__/transformers.test.js

@@ -75,7 +75,7 @@ describe('Edit company form transformers', () => {
         expect(actual).to.deep.equal({
           headingText: undefined,
           headingUrl: urls.companies.detail('123'),
-          subheading: 'Updated on undefined',
+          subheading: undefined,
           metadata: [],
           badges: [],
         })

src/apps/companies/apps/dnb-hierarchy/transformers.js

@@ -74,7 +74,7 @@ function transformCompanyToDnbHierarchyList({
   return {
     headingText: name,
     headingUrl: urls.companies.detail(id),
-    subheading: `Updated on ${formatDateTime(modified_on)}`,
+    subheading: modified_on && `Updated on ${formatDateTime(modified_on)}`,
     metadata,
     badges,
   }

src/apps/companies/middleware/__test__/last-interaction-date.test.js

@@ -1,6 +1,6 @@
-const { getInteractionTimestamp } = require('../../../../client/utils/date')
-const middleware = require('../last-interaction-date')
 const buildMiddlewareParameters = require('../../../../../test/unit/helpers/middleware-parameters-builder')
+const { getInteractionTimestamp } = require('../utils')
+const middleware = require('../last-interaction-date')
 
 const QUERY_PARAM = 'interaction_between'
 const START_DATE_PARAM = 'latest_interaction_date_before'

src/apps/companies/middleware/last-interaction-date.js

@@ -1,5 +1,5 @@
 const { QUERY_FIELDS_MAP } = require('../constants')
-const { getInteractionTimestamp } = require('../../../client/utils/date')
+const { getInteractionTimestamp } = require('./utils')
 
 const QUERY_PARAM = QUERY_FIELDS_MAP.lastInteractionDate
 const START_DATE_PARAM = 'latest_interaction_date_before'

src/apps/companies/middleware/utils.js

@@ -0,0 +1,20 @@
+const { subMonths } = require('date-fns')
+
+const {
+  formatDate,
+  DATE_FORMAT_INTERACTION_TIMESTAMP,
+} = require('../../../client/utils/date-utils')
+
+function getInteractionTimestamp({ offset }) {
+  const date = new Date()
+
+  if (offset > 0) {
+    subMonths(date, offset)
+  }
+
+  return formatDate(date, DATE_FORMAT_INTERACTION_TIMESTAMP)
+}
+
+module.exports = {
+  getInteractionTimestamp,
+}

src/apps/interactions/apps/details-form/client/tasks.js

@@ -29,7 +29,12 @@ import {
   transformExportCountriesToGroupStatus,
 } from '../../../../transformers'
 
-import { formatWithoutParsing } from '../../../../../client/utils/date'
+import {
+  formatDate,
+  DATE_FORMAT_DAY,
+  DATE_FORMAT_MONTH,
+  DATE_FORMAT_YEAR,
+} from '../../../../../client/utils/date-utils'
 
 const { transformValueForAPI } = require('../../../../../client/utils/date')
 
@@ -139,9 +144,9 @@ const transformInteractionToValues = (interaction, companyId, investmentId) => {
       transformObjectToOption(adviser)
     ),
     date: {
-      day: formatWithoutParsing(date, 'dd'),
-      month: formatWithoutParsing(date, 'MM'),
-      year: formatWithoutParsing(date, 'yyyy'),
+      day: formatDate(date, DATE_FORMAT_DAY),
+      month: formatDate(date, DATE_FORMAT_MONTH),
+      year: formatDate(date, DATE_FORMAT_YEAR),
     },
     companies: [companyId],
     investment_project: investmentId,
@@ -237,9 +242,9 @@ export async function getInitialFormValues({
       companies: [companyId],
       investment_project: investmentId,
       date: {
-        day: formatWithoutParsing(date, 'dd'),
-        month: formatWithoutParsing(date, 'MM'),
-        year: formatWithoutParsing(date, 'yyyy'),
+        day: formatDate(date, DATE_FORMAT_DAY),
+        month: formatDate(date, DATE_FORMAT_MONTH),
+        year: formatDate(date, DATE_FORMAT_YEAR),
       },
       contacts:
         referral && referral.contact

src/client/components/InvestmentReminders/OutstandingPropositions.jsx

@@ -1,18 +1,13 @@
 import React from 'react'
 import PropTypes from 'prop-types'
 import styled from 'styled-components'
-
 import { H3 } from '@govuk-react/heading'
 import { FONT_SIZE, FONT_WEIGHTS, SPACING } from '@govuk-react/constants'
 
-import { DATE_DAY_LONG_FORMAT } from '../../../common/constants'
-import urls from '../../../lib/urls'
 import { DARK_GREY, LINK_COLOUR, RED, TEXT_COLOUR } from '../../utils/colours'
-
-const {
-  formatWithoutParsing,
-  getDifferenceInDaysLabel,
-} = require('../../utils/date')
+import { formatDate, DATE_FORMAT_FULL_DAY } from '../../utils/date-utils'
+import { getDifferenceInDaysLabel } from '../../utils/date'
+import urls from '../../../lib/urls'
 
 const StyledSubHeading = styled(H3)`
   color: ${RED};
@@ -92,11 +87,7 @@ const OutstandingPropositions = ({ results, count }) => (
                   {investment_project.project_code}
                 </StyledProjectCode>
                 <StyledDueDate data-test="outstanding-proposition-deadline">
-                  Due{' '}
-                  {formatWithoutParsing(
-                    new Date(deadline),
-                    DATE_DAY_LONG_FORMAT
-                  )}
+                  Due {formatDate(deadline, DATE_FORMAT_FULL_DAY)}
                 </StyledDueDate>
               </StyledDetails>
               <StyledDueCountdown data-test="outstanding-proposition-countdown">

src/client/components/MyInvestmentProjects/InvestmentEstimatedLandDate.jsx

@@ -3,7 +3,6 @@ import PropTypes from 'prop-types'
 import styled from 'styled-components'
 import { FONT_SIZE, FONT_WEIGHTS, SPACING } from '@govuk-react/constants'
 
-import { DATE_DAY_LONG_FORMAT } from '../../../common/constants'
 import {
   BLACK,
   BUTTON_COLOUR,
@@ -14,11 +13,12 @@ import {
 } from '../../../client/utils/colours'
 
 const {
-  formatWithoutParsing,
   getDifferenceInDays,
   getDifferenceInDaysLabel,
 } = require('../../utils/date')
 
+const { formatDate, DATE_FORMAT_FULL_DAY } = require('../../utils/date-utils')
+
 const StyledPanel = styled('div')`
   padding: ${SPACING.SCALE_2};
   color: ${BLACK};
@@ -72,10 +72,7 @@ const InvestmentEstimatedLandDate = ({ estimatedLandDate, ...props }) => {
         {getDifferenceInDaysLabel(estimatedLandDate)}
       </StyledTitle>
       <StyledBody data-test="estimated-land-date-date">
-        {formatWithoutParsing(
-          new Date(estimatedLandDate),
-          DATE_DAY_LONG_FORMAT
-        )}
+        {formatDate(estimatedLandDate, DATE_FORMAT_FULL_DAY)}
       </StyledBody>
     </Panel>
   )

src/client/modules/Companies/CompanyOverview/TableCards/ActivityCards/RecentActivityCard.jsx

@@ -1,11 +1,11 @@
 import React from 'react'
 import { connect } from 'react-redux'
+import { subMonths } from 'date-fns'
 
-import ActivityCard from './ActivityCard'
-import { OVERVIEW_RECENT_ACTIVITY_ID, recentState2props } from './state'
-import { formatWithoutParsing, subtractMonths } from '../../../../../utils/date'
-import { DATE_LONG_FORMAT_3 } from '../../../../../../common/constants'
 import { COMPANIES__OVERVIEW_RECENT_ACTIVITY_LOADED } from '../../../../../actions'
+import { formatDate, DATE_FORMAT_ISO } from '../../../../../utils/date-utils'
+import { OVERVIEW_RECENT_ACTIVITY_ID, recentState2props } from './state'
+import ActivityCard from './ActivityCard'
 
 const RecentActivityCard = ({ company, results }) => (
   <ActivityCard
@@ -16,11 +16,8 @@ const RecentActivityCard = ({ company, results }) => (
     stateId={OVERVIEW_RECENT_ACTIVITY_ID}
     action={COMPANIES__OVERVIEW_RECENT_ACTIVITY_LOADED}
     additionalPayload={{
-      date_before: formatWithoutParsing(new Date(), DATE_LONG_FORMAT_3),
-      date_after: formatWithoutParsing(
-        subtractMonths(new Date(), 6),
-        DATE_LONG_FORMAT_3
-      ),
+      date_before: formatDate(new Date(), DATE_FORMAT_ISO),
+      date_after: formatDate(subMonths(new Date(), 6), DATE_FORMAT_ISO),
     }}
   />
 )

src/client/modules/Companies/CompanyOverview/TableCards/ActivityCards/UpcomingActivityCard.jsx

@@ -1,11 +1,11 @@
 import React from 'react'
 import { connect } from 'react-redux'
+import { endOfTomorrow } from 'date-fns'
 
-import ActivityCard from './ActivityCard'
-import { OVERVIEW_UPCOMING_ACTIVITY_ID, upcomingState2props } from './state'
-import { formatWithoutParsing, tomorrow } from '../../../../../utils/date'
-import { DATE_LONG_FORMAT_3 } from '../../../../../../common/constants'
 import { COMPANIES__OVERVIEW_UPCOMING_ACTIVITY_LOADED } from '../../../../../actions'
+import { formatDate, DATE_FORMAT_ISO } from '../../../../../utils/date-utils'
+import { OVERVIEW_UPCOMING_ACTIVITY_ID, upcomingState2props } from './state'
+import ActivityCard from './ActivityCard'
 
 const UpcomingActivityCard = ({ company, results }) => (
   <ActivityCard
@@ -16,7 +16,7 @@ const UpcomingActivityCard = ({ company, results }) => (
     stateId={OVERVIEW_UPCOMING_ACTIVITY_ID}
     action={COMPANIES__OVERVIEW_UPCOMING_ACTIVITY_LOADED}
     additionalPayload={{
-      date_after: formatWithoutParsing(tomorrow(), DATE_LONG_FORMAT_3),
+      date_after: formatDate(endOfTomorrow(), DATE_FORMAT_ISO),
       sortby: 'date:asc',
     }}
   />

src/client/modules/Investments/Projects/Details/EditRecipientCompany/transformers.js

@@ -70,9 +70,9 @@ const transformCompanyToListItem =
 
     return {
       id,
-      subheading: modified_on
-        ? `Updated on ${formatDate(modified_on, DATE_FORMAT_MEDIUM_WITH_TIME)}`
-        : undefined,
+      subheading:
+        modified_on &&
+        `Updated on ${formatDate(modified_on, DATE_FORMAT_MEDIUM_WITH_TIME)}`,
       headingText: name,
       headingUrl: urls.investments.projects.editRecipientCompany(projectId, id),
       badges,

src/client/modules/Investments/Projects/landDateTransformer.js

@@ -4,7 +4,7 @@
  * put this back into the main transformers file.
  */
 
-const { formatMonthYearDate } = require('../../../utils/date')
+const { formatDate, DATE_FORMAT_ISO } = require('../../../utils/date-utils')
 
 const MONTH_DATE_FIELD_LIST = [
   'estimated_land_date_before',
@@ -17,7 +17,7 @@ const transformLandDateFilters = (params) => {
   // The API only accepts yyyy-MM-dd format, so month-year filters have to be updated
   MONTH_DATE_FIELD_LIST.forEach((field) => {
     if (field in params) {
-      params[field] = formatMonthYearDate(params[field])
+      params[field] = formatDate(params[field], DATE_FORMAT_ISO)
     }
   })
   return params

src/client/modules/Tasks/TaskForm/__test__/transformer.test.js

@@ -0,0 +1,31 @@
+import { format, addMonths, addDays } from 'date-fns'
+
+import { getDueDate } from '../transformers'
+
+describe('getDueDate', () => {
+  it('should return the transformed value for a custom date', () => {
+    const customDate = { year: 2024, month: 12, day: 31 }
+    const expectedTransformedValue = '2024-12-31'
+
+    const result = getDueDate('custom', customDate)
+    expect(result).to.equal(expectedTransformedValue)
+  })
+
+  it('should return the correct due date for the next month', () => {
+    const today = new Date()
+    const nextMonthDate = addMonths(today, 1)
+    const formattedDate = format(nextMonthDate, 'yyyy-MM-dd')
+
+    const result = getDueDate('month')
+    expect(result).to.equal(formattedDate)
+  })
+
+  it('should return the correct due date for the next week', () => {
+    const today = new Date()
+    const nextWeekDate = addDays(today, 7)
+    const formattedDate = format(nextWeekDate, 'yyyy-MM-dd')
+
+    const result = getDueDate('week')
+    expect(result).to.equal(formattedDate)
+  })
+})

src/client/modules/Tasks/TaskForm/transformers.js

@@ -1,20 +1,17 @@
+import { addDays, addMonths } from 'date-fns'
+
 import { transformOptionToValue } from '../../../../apps/transformers'
-import {
-  OPTION_YES,
-  DATE_LONG_FORMAT_3,
-  OPTION_NO,
-} from '../../../../common/constants'
+import { OPTION_YES, OPTION_NO } from '../../../../common/constants'
 import {
   transformArrayIdNameToValueLabel,
   transformIdNameToValueLabel,
 } from '../../../transformers'
 import {
-  formatWithoutParsing,
   transformValueForAPI,
-  addMonths,
-  addDays,
   convertDateToFieldDateObject,
 } from '../../../utils/date'
+import { formatDate, DATE_FORMAT_ISO } from '../../../utils/date-utils'
+
 import { OPTIONS } from './constants'
 
 export const transformTaskFormValuesForAPI = (
@@ -60,17 +57,16 @@ const getUniquePKValue = (formValues) => {
   return { investment_project: null, company: null, interaction: null }
 }
 
-const getDueDate = (dueDate, customDate) => {
-  switch (dueDate) {
-    case 'custom':
-      return transformValueForAPI(customDate)
-    case 'month':
-      return formatWithoutParsing(addMonths(new Date(), 1), DATE_LONG_FORMAT_3)
-    case 'week':
-      return formatWithoutParsing(addDays(new Date(), 7), DATE_LONG_FORMAT_3)
-    default:
-      null
+export const getDueDate = (dueDate, customDate) => {
+  const today = new Date()
+
+  const handlers = {
+    custom: () => transformValueForAPI(customDate),
+    month: () => formatDate(addMonths(today, 1), DATE_FORMAT_ISO),
+    week: () => formatDate(addDays(today, 7), DATE_FORMAT_ISO),
   }
+
+  return handlers[dueDate]?.()
 }
 
 const transformAdvisor = (advisers, currentAdviserId) =>