function save_tree()
{
// Allow only ajax calls
if (!is_ajax()) {
return show_404();
}
$this->load->model('categories_model');
$list = $this->input->post('list');
// Update db with order posted
$i = 0;
foreach ($list as $id => $parent_id) {
$Category = new Categories_model();
$node_info_array = array();
$node_info_array['id'] = $id;
$node_info_array['parent_id'] = $parent_id == 'root' ? 0 : $parent_id;
$node_info_array['sort'] = $i;
// Save Node
$Category->from_array($node_info_array);
$Category->save();
$i++;
}
// Clear categories cache so updates will show on next page load
$this->load->library('categories_library');
$this->categories_library->clear_cache();
}
