ok
Mini Shell
<?php
if (!defined('BASEPATH')) {
exit('No direct script access allowed');
}
class Onlineexam_model extends CI_model
{
public function __construct()
{
parent::__construct();
}
public function get($id = null, $publish = null)
{
$this->db->select('onlineexam.*')->from('onlineexam');
if ($id != null) {
$this->db->where('onlineexam.id', $id);
} else {
$this->db->order_by('onlineexam.id');
}
if ($publish != null) {
$this->db->where('is_active', ($publish == "publish") ? 1 : 0);
}
$query = $this->db->get();
if ($id != null) {
return $query->row_array();
} else {
return $query->result();
}
}
public function getExamByOnlineexamStudent($onlineexam_student_id)
{
$this->db->select('onlineexam_students.*,onlineexam.id as `onlineexam_id`,onlineexam.is_quiz');
$this->db->from('onlineexam_students');
$this->db->join('onlineexam', 'onlineexam.id = onlineexam_students.onlineexam_id');
$this->db->where('onlineexam_students.id', $onlineexam_student_id);
$query = $this->db->get();
return $query->row();
}
public function updateExamSubmitted($onlineexam_student_id)
{
$this->db->where('id', $onlineexam_student_id)->update('onlineexam_students', array('is_attempted' => 1));
return array('status' => 200, 'message' => 'Data has been updated.');
}
public function getStudentexam($student_session_id)
{
$today_date = date('Y-m-d H:i:s');
$this->db->select('onlineexam.*,onlineexam_students.id as `onlineexam_student_id`,onlineexam_students.is_attempted as `is_attempted`,(select count(*) from onlineexam_attempts WHERE onlineexam_attempts.onlineexam_student_id = onlineexam_students.id) as counter');
$this->db->from('onlineexam');
$this->db->join("onlineexam_students", "onlineexam_students.onlineexam_id=onlineexam.id", "left");
$this->db->where("onlineexam_students.student_session_id", $student_session_id);
$this->db->where("onlineexam.is_active", 1);
$this->db->where('onlineexam.exam_to>= ', $today_date);
$this->db->order_by('onlineexam.exam_from', 'desc');
$query = $this->db->get();
return $query->result();
}
public function getstudentclosedexamlist($student_session_id)
{
$today_date = date('Y-m-d H:i:s');
$this->db->select('onlineexam.*,onlineexam_students.id as `onlineexam_student_id`,onlineexam_students.is_attempted as `is_attempted`,(select count(*) from onlineexam_attempts WHERE onlineexam_attempts.onlineexam_student_id = onlineexam_students.id) as counter');
$this->db->from('onlineexam');
$this->db->where("onlineexam_students.student_session_id", $student_session_id);
$this->db->join("onlineexam_students", "onlineexam_students.onlineexam_id=onlineexam.id", "left");
$this->db->order_by('onlineexam.exam_from', 'desc');
$this->db->where('onlineexam.exam_to <= ', $today_date);
$query = $this->db->get();
return $query->result();
}
public function getExamQuestions($id = null, $random_type = false)
{
$this->db->select('onlineexam_questions.*,questions.subject_id,questions.question,questions.opt_a,questions.opt_b,questions.opt_c,questions.opt_d,questions.opt_e,questions.correct,questions.question_type')->from('onlineexam_questions');
$this->db->join('questions', 'questions.id = onlineexam_questions.question_id');
$this->db->where('onlineexam_questions.onlineexam_id', $id);
if ($random_type) {
$this->db->order_by('rand()');
} else {
$this->db->order_by('onlineexam_questions.id', 'DESC');
}
$query = $this->db->get();
return $query->result();
}
public function examstudentsID($student_session_id, $onlineexam_id)
{
$this->db->select('onlineexam_students.*,IF((select count(*) from onlineexam_student_results WHERE onlineexam_student_results.onlineexam_student_id = onlineexam_students.id) > 0,1,0) as is_submitted');
$this->db->from('onlineexam_students');
$this->db->where('student_session_id', $student_session_id);
$this->db->where('onlineexam_id', $onlineexam_id);
$query = $this->db->get();
return $query->row();
}
public function getStudentAttemts($onlineexam_student_id)
{
$this->db->where('onlineexam_student_id', $onlineexam_student_id);
$total_rows = $this->db->count_all_results('onlineexam_attempts');
return $total_rows;
}
public function addStudentAttemts($data)
{
$this->db->insert('onlineexam_attempts', $data);
return $this->db->insert_id();
}
public function add($data, $onlineexam_student_id)
{
$status = 0;
$this->db->trans_start(); # Starting Transaction
$this->db->trans_strict(false); # See Note 01. If you wish can remove as well
$this->db->where('onlineexam_student_id', $onlineexam_student_id);
$q = $this->db->get('onlineexam_student_results');
if ($q->num_rows() > 0) {
$status = 2;
} else {
$this->db->insert_batch('onlineexam_student_results', $data);
$status = 1;
}
//======================Code End==============================
$this->db->trans_complete(); # Completing transaction
/* Optional */
if ($this->db->trans_status() === false) {
# Something went wrong.
$this->db->trans_rollback();
return 0;
} else {
return $status;
}
}
public function getResultByStudent($onlineexam_student_id, $exam_id)
{
$query = "SELECT onlineexam_questions.*,subjects.name as subject_name,subjects.code as subjects_code, onlineexam_student_results.id as `onlineexam_student_result_id`,questions.question,questions.question_type,onlineexam_student_results.marks as `score_marks`,questions.opt_a, questions.opt_b,questions.opt_c,questions.opt_d,questions.opt_e,questions.correct,IFNULL(onlineexam_student_results.select_option, '') as `select_option`,IFNULL(onlineexam_student_results.remark, '') as `remark` FROM `onlineexam_questions` left JOIN onlineexam_student_results on onlineexam_student_results.onlineexam_question_id=onlineexam_questions.id and onlineexam_student_results.onlineexam_student_id=" . $this->db->escape($onlineexam_student_id) . " INNER JOIN questions on questions.id=onlineexam_questions.question_id INNER JOIN subjects on subjects.id=questions.subject_id WHERE onlineexam_questions.onlineexam_id=" . $this->db->escape($exam_id);
$query = $this->db->query($query);
return $query->result();
}
public function getquestiondetails($exam_id)
{
$query = "SELECT count(onlineexam_questions.id) as total_question,SUM(CASE WHEN questions.question_type= 'descriptive' THEN 1 ELSE 0 END) AS total_descriptive FROM `onlineexam_questions` left join questions on questions.id=onlineexam_questions.question_id where onlineexam_questions.onlineexam_id =" . $this->db->escape($exam_id) . " group by onlineexam_questions.onlineexam_id";
$query = $this->db->query($query);
return $query->row();
}
}
Zerion Mini Shell 1.0