move rest into pages

pages/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')
+}