function queue_example_add_remove_form_delete

Submit function for "Claim and delete" button.

Related topics

File

queue_example/queue_example.module, line 227

Examples demonstrating the Drupal Queue API.

Code

function queue_example_add_remove_form_delete($form, &$form_state) {
  $queue = DrupalQueue::get($form_state['values']['queue_name']);

  // There is no harm in trying to recreate existing.
  $queue
    ->createQueue();
  $count = $queue
    ->numberOfItems();
  $item = $queue
    ->claimItem(60);
  if (!empty($item)) {
    drupal_set_message(t('Claimed and deleted item id=@item_id string=@string for @seconds seconds. There are @count items in the queue.', array(
      '@count' => $count,
      '@item_id' => $item->item_id,
      '@string' => $item->data,
      '@seconds' => $form_state['values']['claim_time'],
    )));
    $queue
      ->deleteItem($item);
    $count = $queue
      ->numberOfItems();
    drupal_set_message(t('There are now @count items in the queue.', array(
      '@count' => $count,
    )));
  }
  else {
    $count = $queue
      ->numberOfItems();
    drupal_set_message(t('There were no items in the queue available to claim/delete. There are currently @count items in the queue.', array(
      '@count' => $count,
    )));
  }
  $form_state['rebuild'] = TRUE;
}