Grails RESTFUL Delete Link

grails_ujs.js.coffee

linkClickSelector = 'a[data-confirm], a[data-method], a[data-remote]'

initializeUJS = ->
  console.log "Initializing UJS"
  $(document).delegate linkClickSelector, 'click.grails', linkClickHandler

linkClickHandler = (e) ->
  link = $(this)
  if (!allowAction(link))
    e.stopImmediatePropagation()
    return false

  if link.data('method')
    handleMethod(link)
    return false


fireEvent = (object, name, data) ->
  event = $.Event(name)
  object.trigger event, data
  return event.result != false


allowAction = (element) ->
  message  = element.data 'confirm'
  answer   = false
  callback = false

  if !message
    return true
  if fireEvent(element, 'confirm')
    answer = confirm(message)
    callback = fireEvent(element, 'confirm:complete', [answer])
  return answer && callback

handleMethod = (link) ->
  method = link.data('method')
  href   = link.attr('href')
  target = link.attr('target')

  form   = $('<form method="post" action="' + href + '"></form>')
  form   = $('<form method="' + method + '" action="' + href + '"></form>')
  # metadataInput = '<input name="_method" value="' + method + '" type="hidden" />';

  if target
    form.attr('target',target)
    # append(metadataInput)
  form.hide().appendTo('body');
  form.submit()

initializeUJS()

index.gsp

<g:link controller="permalinks" action="delete"
 namespace="spud_admin" method="POST"
 data-method="post" id="${permalink.id}"
 data-confirm="Are you sure you want to remove this permalink?"
 class="btn btn-danger">Remove</g:link>

UrlMappings.groovy

class SpudPermalinksUrlMappings {
  static mappings = {
    "/spud/admin/permalinks"(resources: 'permalinks', namespace: 'spud_admin')
    "/spud/admin/permalinks/$id/delete"(controller: 'permalinks', action: 'delete', method: 'POST', namespace: 'spud_admin')
  }
}