/**
* @description 添加期次科目试卷
* @author
* @final
* @param int $exam_id 考试期次id
* @param array $ids 试卷id
*/
public function insert()
{
if (!$this->check_power('exam_manage')) {
return;
}
$exam_id = (int) $this->input->post('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');
return;
}
$ids = $this->input->post('ids');
if (empty($ids) or !is_array($ids)) {
message('请至少选择一项');
return;
}
//检查该学科考试状态
$has_tested = ExamPlaceSubjectModel::exam_subject_has_test_action($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');
}
$ids = my_intval($ids);
/* ------------------------------- */
/* 补全外部新试卷信息 */
foreach ($ids as $paper_id) {
/* 查询试卷信息 */
$paper = PaperModel::get_paper_by_id($paper_id, 'paper_id,admin_id,question_sort');
/* 判定是否为外部试卷 */
if ($paper['admin_id'] > 0) {
$questions = json_decode($paper['question_sort'], true);
$qtype_ques_num = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
$question_difficulty = array();
$this->db->trans_start();
$sql = "DELETE FROM rd_exam_question WHERE paper_id={$paper_id} \n AND exam_id={$exam_id}";
Fn::db()->query($sql);
if (count($questions) > 0) {
foreach ($questions as $ques_id) {
/* 补全exam_question信息 */
$data = array();
$data['paper_id'] = $paper_id;
$data['exam_id'] = $exam_id;
$data['ques_id'] = $ques_id;
$this->db->insert('exam_question', $data);
$sql = "select q.ques_id,q.type,rc.difficulty from\n {pre}question q left join {pre}relate_class rc on q.ques_id=rc.ques_id\n where q.ques_id={$ques_id} and rc.grade_id={$exam['grade_id']} and rc.class_id={$exam['class_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;
}
/* 各个类型试题数量 */
$qtype_ques_num[$question['type']]++;
/* 试题难易度 */
$question_difficulty[] = $question['difficulty'];
}
}
/* 补全exam_pager信息 */
$data = array();
$data['exam_id'] = $exam_id;
$data['qtype_ques_num'] = implode(',', $qtype_ques_num);
$data['difficulty'] = array_sum($question_difficulty) / count($question_difficulty);
PaperModel::update_paper($paper_id, $data);
$this->db->trans_complete();
}
}
/* -------------------------------------- */
$inserts = array();
$sql = "SELECT p.paper_id,e.subject_id FROM {pre}exam_paper p,{pre}exam e\n WHERE p.exam_id=e.exam_id AND p.paper_id IN (" . my_implode($ids) . ")\n AND p.is_delete=0 AND p.exam_id={$exam_id}";
$query = $this->db->query($sql);
foreach ($query->result_array() as $row) {
$inserts[] = array('exam_pid' => $exam['exam_pid'], 'exam_id' => $exam['exam_id'], 'paper_id' => $row['paper_id'], 'subject_id' => $row['subject_id']);
}
$res = 0;
if ($inserts) {
// 关闭错误信息，防止 unique index 冲突出错
$this->db->db_debug = false;
$this->db->insert_batch('exam_subject_paper', $inserts);
$res = $this->db->affected_rows();
}
$back_url = 'admin/subject_paper/add/' . $exam_id;
if ($res < 1) {
message('试卷添加失败', $back_url);
} else {
message('试卷添加成功', $back_url);
}
}
/**
* 更新试卷试题
* @param array $paper_id 试卷ID
* @return boolen 成功返回true, 失败返回false
*/
public static function update_paper_question($paper_id)
{
/* 更新外部新试卷信息 */
$paper_id = (int) $paper_id;
if (!$paper_id) {
return false;
}
/* 查询试卷信息 */
$paper = self::get_paper_by_id($paper_id, 'exam_id,paper_id,admin_id,question_sort');
if (!$paper) {
return false;
}
$exam = ExamModel::get_exam($paper['exam_id'], 'exam_id,exam_pid,grade_id,class_id');
if (!$exam) {
return false;
}
$db = Fn::db();
/* 判定是否为外部试卷 */
if ($paper['admin_id'] > 0) {
$questions = json_decode($paper['question_sort'], true);
$question_difficulty = array();
$qtype_ques_num = array_fill(0, count(C('qtype')), '0');
if (!$db->beginTransaction()) {
return false;
}
/* 清除exam_question原有信息 */
$db->delete('rd_exam_question', 'exam_id =? AND paper_id = ?', array($paper['exam_id'], $paper_id));
if (count($questions) > 0) {
foreach ($questions as $ques_id) {
$sql = "SELECT q.ques_id,q.type,rc.difficulty FROM\n rd_question q \n LEFT JOIN rd_relate_class rc ON q.ques_id=rc.ques_id\n WHERE q.ques_id={$ques_id} AND rc.grade_id={$exam['grade_id']} \n AND rc.class_id={$exam['class_id']}";
$question = $db->fetchRow($sql);
if (empty($question)) {
$db->rollBack();
throw new Exception('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！');
}
/* 补全exam_question信息 */
$data = array();
$data['paper_id'] = $paper_id;
$data['exam_id'] = $paper['exam_id'];
$data['ques_id'] = $ques_id;
$db->insert('rd_exam_question', $data);
/* 试题难易度 */
$question_difficulty[] = $question['difficulty'];
/* 各个类型试题数量 */
$qtype_ques_num[$question['type']]++;
}
}
/* 补全exam_pager信息 */
$data = array();
$data['exam_id'] = $paper['exam_id'];
$data['difficulty'] = array_sum($question_difficulty) / count($question_difficulty);
$data['qtype_ques_num'] = implode(',', $qtype_ques_num);
PaperModel::update_paper($paper_id, $data);
$flag = $db->commit();
if (!$flag) {
$db->rollBack();
}
//如果是mini测试卷,则更新试卷统计
if (ExamModel::is_mini_test($exam['exam_pid'])) {
$sql = "SELECT exam_pid FROM rd_exam_subject_paper \n WHERE paper_id = {$paper_id} AND exam_id = " . $exam['exam_id'];
if (Fn::db()->fetchOne($sql)) {
SummaryModel::summary_paper($exam['exam_pid'], 0, $paper_id, true);
}
}
return $flag;
}
}
/**
* 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));
}
}
