public function ajaxSubmitAction()
{
$setId = Request::getPOST('set-id');
$title = trim(Request::getPOST('title'));
$refreshAt = strtotime(trim(Request::getPOST('refresh-at')));
if (empty($setId)) {
$this->renderError('参数错误！');
}
if (empty($title) || mb_strlen($title, 'utf8') > 50) {
$this->renderError('标题必填，限制50个字以内！');
}
$currentDay = intval(time() / 86400) * 86400 + 86400;
if (empty($refreshAt) || $refreshAt > $currentDay) {
$this->renderError('刷新时间不能超过今天！');
}
$setInfo = OjProblemSetInterface::getById(array('id' => $setId));
if (empty($setInfo)) {
$this->renderError('专题不存在！');
}
// 属主验证
if ($setInfo['user_id'] != $this->loginUserInfo['id']) {
$this->renderError('你没有修改权限！');
}
$data = array('id' => $setId, 'title' => $title, 'refresh_at' => $refreshAt);
OjProblemSetInterface::save($data);
$this->setNotice(FrameworkVars::NOTICE_SUCCESS, '修改成功！');
$this->renderAjax(0);
}
public function ajaxSubmitAction()
{
// 如果空专题超过20，提示编辑
$where = array(array('user_id', '=', $this->loginUserInfo['id']), array('title', '=', ''));
$count = OjProblemSetInterface::getCount($where);
if ($count > 20) {
$this->renderError('您有很多空的专题，请先编辑！');
}
// 创建空的专题
$data = array('user_id' => $this->loginUserInfo['id']);
OjProblemSetInterface::save($data);
$this->setNotice(FrameworkVars::NOTICE_SUCCESS, '您成功创建了专题，请编辑！');
$this->renderAjax(0);
}