sketch of expiry changes

gistfile1.coffee

//a JS template that gets added to the end of the options tab
<div data-hubfield="create_page">
<div class="show-if-create_page">
  
  <div data-hubfield="html_title" />
  <div data-hubfield="replacement_page" />
  <div data-hubfield="replacement_page" />
  <div data-hubfield="replacement_page" />
  
  <input name="expiry" value="none" /> Do not unpublish
  
  <input name="expiry" value="date" /> Unpublish at a specific data & time
  <div data-hubfield="expiry_unpublish_date">
  
  <input name="expiry" value="redirect" /> Redirect to a landing page at a specific date & time
  <div data-hubfield="expiry_redirect_date" />
  
  <div data-hubfield="replacement_page" />
</div>

//in edit-email.js, add attributes that hubfields are not in charge of saving

init ->
  //jquery to toggle hiding and showing based on radio checking

app.on 'form:serialize', (data) ->
  expiry = $('input[name="expiry"]').val()
  if expiry.value is 'none'
    data.use_page_expiry = false
    data.replace_page = false
  else if expiry.value is 'data'
    data.use_page_expiry = true
    data.replace_page = false
  else if expiry.value is 'redirect'
    data.use_page_expiry = true
    data.replace_page = true