/**
* 批量删除试卷中的试题
*
* @param int $paper_id 试卷id
* @param int $ids 试卷中的试题id
* @return void
*/
public function batch_delete()
{
if (!$this->check_power('exam_manage')) {
return;
}
$paper_id = (int) $this->input->post('paper_id');
$ids = $this->input->post('ids');
if (empty($ids) or !is_array($ids)) {
message('请选择要操作的项目！');
return;
}
$paper = PaperModel::get_paper_by_id($paper_id);
if (!$paper) {
message('试卷不存在');
return;
}
$exam_pid = ExamModel::get_exam($paper['exam_id'], 'exam_pid');
$is_mini_test = ExamModel::is_mini_test($exam_pid);
//判断该试卷已经被考试过 或 正在被考
$count_fail = 0;
$count_success = 0;
$tmp_ids = array();
foreach ($ids as $ques_id) {
if (!$is_mini_test) {
$be_tested = QuestionModel::paper_question_has_been_tested($paper_id, $ques_id);
if ($be_tested) {
$count_fail++;
continue;
}
}
$tmp_ids[] = $ques_id;
$count_success++;
}
$back_url = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : 'admin/exam_question/index/' . $paper_id;
$this->db->where_in('id', $tmp_ids)->delete('exam_question');
ExamPaperModel::renew($paper_id);
if ($is_mini_test && $count_success) {
SummaryModel::summary_paper($exam_pid, 0, $paper_id, true);
}
message("批量操作完成(成功 {$count_success}个，失败 {$count_fail} 个)", $back_url);
}