move helpers out again

seems anything under pages, besides api needs to be a react component

helpers/date.js

@@ -0,0 +1,25 @@
+import moment from 'moment'
+
+export function getDays({ startDate, endDate }) {
+  let currentDay = moment(startDate)
+  const days = [dateFormat(currentDay)]
+
+  if (!endDate) {
+    return days
+  }
+
+  const end = moment(endDate)
+  while (currentDay < end) {
+    currentDay = currentDay.add(1, 'day')
+    days.push(dateFormat(currentDay))
+  }
+
+  return days
+}
+
+export function dateFormat(date) {
+  if (!date) {
+    return null
+  }
+  return moment(date).format('YYYY-MM-DD')
+}

helpers/storage.js

@@ -0,0 +1,17 @@
+const FORM_DATA_KEY = 'pfadiBussleFormData'
+
+function getStorage() {
+  return localStorage
+}
+
+export function storeFormData({ org, name, email, street, zip, city }) {
+  getStorage().setItem(
+    FORM_DATA_KEY,
+    JSON.stringify({ org, name, email, street, zip, city })
+  )
+}
+
+export function loadFormData() {
+  const dataAsString = getStorage().getItem(FORM_DATA_KEY)
+  return JSON.parse(dataAsString || '{}')
+}