public function save()
{
$event_model = new EventsModel();
$this_id = intval($_POST['id']);
$old_event = $event_model->find($this_id);
if ($old_event['longitute'] != $_POST['longitute'] || $old_event['latitude'] != $_POST['latitude']) {
$map_data_model = D('MapData');
$map_data_model->invalidate_tile($old_event['longitute'], $old_event['latitude']);
$map_data_model->invalidate_tile($_POST['longitute'], $_POST['latitude']);
}
$event_model->create();
if (!user('is_admin')) {
$event_model->user_id = user('id');
}
if (!check_model()) {
flash('您提交的内容中可能有不合适的地方，请重新编辑');
}
$event_model->save();
$event_model->create_tags($this_id);
$event_model->create_image_records($this_id);
flash('成功更新活动信息');
$this->redirect('Event/view', array('id' => $this_id));
}
