/**
* 更新试卷信息
*
* @param int $exam_id 考试期次id
* @param int $paper_id 试卷id
* @return void
*/
public function update_question_info($exam_id, $paper_id)
{
if (!$this->check_power('exam_manage')) {
exit;
}
$exam_id = (int) $exam_id;
$exam_id && ($exam = ExamModel::get_exam($exam_id, 'exam_id,exam_pid,grade_id,class_id'));
if (empty($exam)) {
message('考试期次科目不存在', 'admin/exam/index');
exit;
}
$is_mini_test = ExamModel::is_mini_test($exam['exam_pid']);
//检查该学科考试状态
$has_tested = false;
if (!$is_mini_test) {
$has_tested = ExamPlaceSubjectModel::exam_subject_has_test_action($exam_id);
}
if ($has_tested) {
message('该期次科目已经被考生考过 或者 正在被考中,因此无法操作');
exit;
}
/* 更新外部新试卷信息 */
$paper_id = (int) $paper_id;
/* 查询试卷信息 */
$paper = PaperModel::get_paper_by_id($paper_id, 'exam_id,paper_id,admin_id,question_sort');
if (empty($paper) or $exam_id != $paper['exam_id']) {
message('试卷不在当前考试期次中！');
exit;
}
/* 判定是否为外部试卷 */
if ($paper['admin_id'] > 0) {
$rst = PaperModel::update_paper_question($paper_id);
if (!$rst) {
message('更新试卷失败');
} else {
message('更新试卷成功', 'javascript');
}
} else {
message('当前试卷不属于手工组卷，取消操作！');
}
}
/**
* 添加试题
*
* @return void
**/
public function update_question()
{
$post = $this->input->post();
$paper_id = (int) $post['paper_id'];
/* exam_paper 试卷对应排序 */
/* 限定用户只能更新跟自己相关的数据 */
$admin_id = $this->session->userdata('admin_id');
if (!$admin_id) {
message('获取管理员数据失败，请从新登陆后重试！');
}
/* 获取试卷信息 */
$paper = PaperModel::get_paper_by_id($paper_id);
if (!$paper) {
message('获取试卷数据失败，请重试！');
}
/* 用户可以编辑自己的试卷 管理员可以查看所有试卷 */
if ($paper['admin_id'] != $admin_id && !$this->session->userdata('is_super')) {
message('没有当前试卷编辑权限！');
}
if (!$this->is_super_user() && ExamPlaceSubjectModel::exam_subject_has_test_action($paper['exam_id'])) {
message('当前试卷已进行考试，不可以修改更新！');
}
/* 计算排序 */
$questions = $this->sort_question($post['ques_ids'], $post['sort']);
$question_score = $this->sort_question($post['score'], $post['sort']);
if (!$questions) {
$questions = array();
}
/* 更新试卷信息 */
$data = array();
$data['question_sort'] = json_encode($questions);
$data['question_score'] = json_encode($post['score']);
$qtype_ques_num = array_fill(0, count(C('q_type')), '0');
$this->db->trans_start();
$this->db->delete('exam_question', array('paper_id' => $paper_id));
$question_difficulty = array();
if (count($questions) > 0) {
foreach ($questions as $ques_id) {
$sql = "select q.ques_id,q.type,AVG(rc.difficulty) as difficulty from\n {pre}question q left join {pre}relate_class rc on q.ques_id=rc.ques_id\n where q.ques_id={$ques_id} group by q.ques_id";
$question = $this->db->query($sql)->row_array();
if (empty($question)) {
$this->db->trans_rollback();
message('当前试卷中存在不属于当前考试期次年级的试题！请检查试题！');
exit;
}
$data1 = array();
$data1['paper_id'] = $paper_id;
$data1['exam_id'] = $paper['exam_id'];
$data1['ques_id'] = $ques_id;
$this->db->insert('exam_question', $data1);
/* 各个类型试题数量 */
$qtype_ques_num[$question['type']]++;
/* 试题难易度 */
$question_difficulty[] = $question['difficulty'];
}
}
/* 更新试题数量 */
$data['ques_num'] = count($questions);
$data['qtype_ques_num'] = implode(',', $qtype_ques_num);
$data['difficulty'] = array_sum($question_difficulty) / count($question_difficulty);
PaperModel::update_paper($paper_id, $data);
$rst = $this->db->trans_commit();
if (!$rst) {
message('更新试卷信息失败！请重试！');
} else {
$sql = "SELECT exam_pid FROM rd_exam_subject_paper \n WHERE paper_id = {$paper_id}";
$exam_pid = Fn::db()->fetchOne($sql);
if ($exam_pid && ExamModel::is_mini_test($exam_pid)) {
PaperModel::update_paper_question($paper_id);
}
message('更新试卷信息成功！', site_url('admin/paper_diy/question_manage/' . $paper_id));
}
}
