ok
Mini Shell
<?php
if (!defined('BASEPATH')) {
exit('No direct script access allowed');
}
class Batchsubject_model extends CI_Model
{
public function __construct()
{
parent::__construct();
}
public function getExamSubjects($id = null)
{
$subject_condition = 0;
$userdata = $this->customlib->getUserData();
$role_id = $userdata["role_id"];
if (isset($role_id) && ($userdata["role_id"] == 2) && ($userdata["class_teacher"] == "yes")) {
if ($userdata["class_teacher"] == 'yes') {
$my_classes = $this->teacher_model->my_classes($userdata['id']);
if (!empty($my_classes)) {
$subject_condition = 0;
} else {
$subject_condition = 1;
$my_subjects = $this->teacher_model->get_examsubjects($userdata['id']);
}
}
}
$this->db->select('exam_group_class_batch_exam_subjects.*,subjects.name as `subject_name`,subjects.code as `subject_code`,subjects.type as `subject_type`')->from('exam_group_class_batch_exam_subjects');
$this->db->join('subjects', 'subjects.id = exam_group_class_batch_exam_subjects.subject_id');
$this->db->where('exam_group_class_batch_exam_subjects.exam_group_class_batch_exams_id', $id);
if ($subject_condition == 1 && (!empty($my_subjects))) {
$this->db->where_in('subjects.id', $my_subjects);
}
$this->db->order_by('exam_group_class_batch_exam_subjects.date_from', 'ASC');
$this->db->order_by('exam_group_class_batch_exam_subjects.time_from', 'ASC');
$query = $this->db->get();
$result = $query->result();
return $result;
}
public function getExamstudentSubjects($id = null)
{
$this->db->select('exam_group_class_batch_exam_subjects.*,subjects.name as `subject_name`,subjects.code as `subject_code`,subjects.type as `subject_type`')->from('exam_group_class_batch_exam_subjects');
$this->db->join('subjects', 'subjects.id = exam_group_class_batch_exam_subjects.subject_id');
$this->db->where('exam_group_class_batch_exam_subjects.exam_group_class_batch_exams_id', $id);
$this->db->order_by('exam_group_class_batch_exam_subjects.date_from', 'asc');
$this->db->order_by('exam_group_class_batch_exam_subjects.time_from', 'asc');
$query = $this->db->get();
$result = $query->result();
return $result;
}
public function examGroupExamResult($class_id, $batch_id, $exam_group_class_batch_exams_id)
{
$exam_students = $this->attempt_exam_students($class_id, $batch_id, $exam_group_class_batch_exams_id);
if (!empty($exam_students)) {
foreach ($exam_students as $exam_result_student_key => $exam_result_student_value) {
$sql = "SELECT `exam_group_class_batch_exam_subjects`.*,exam_group_exam_results.id as exam_group_exam_result_id,exam_group_exam_results.exam_group_student_id,exam_group_exam_results.exam_group_class_batch_exam_subject_id,exam_group_exam_results.attendence,exam_group_exam_results.get_marks,exam_group_exam_results.note FROM `exam_group_class_batch_exam_subjects` LEFT JOIN exam_group_exam_results on exam_group_exam_results.exam_group_class_batch_exam_subject_id= exam_group_class_batch_exam_subjects.id and exam_group_exam_results.exam_group_student_id=" . $exam_result_student_value->id . " WHERE exam_group_class_batch_exams_id=" . $exam_group_class_batch_exams_id . " ORDER BY `exam_group_class_batch_exams_id` DESC";
$query = $this->db->query($sql);
$exam_students[$exam_result_student_key]->marks_result = $query->result();
}
}
return $exam_students;
}
public function attempt_exam_students($class_id, $batch_id, $exam_group_class_batch_exams_id)
{
$sql = "SELECT exam_group_students.*,student.admission_no , student.id as `student_id`, student.roll_no,student.admission_date,student.firstname,student.middlename, student.lastname,student.image, student.mobileno, student.email ,student.state , student.city , student.pincode,student.father_name,student.dob,student.gender FROM `exam_group_students` INNER JOIN exam_groups on exam_groups.id= exam_group_students.exam_group_id INNER join (SELECT exam_groups.id FROM `exam_group_class_batch_exam_subjects` INNER JOIN exam_group_class_batch_exams on exam_group_class_batch_exam_subjects.exam_group_class_batch_exams_id=exam_group_class_batch_exams.id inner JOIN exam_groups on exam_groups.id= exam_group_class_batch_exams.exam_group_id where exam_group_class_batch_exams_id=" . $exam_group_class_batch_exams_id . " GROUP by exam_group_class_batch_exams_id ORDER BY `exam_group_class_batch_exams_id`) as exam_group on exam_group.id=exam_group_students.exam_group_id INNER JOIN (SELECT students.* from student_session INNER JOIN students on students.id=student_session.student_id WHERE student_session.class_id=" . $class_id . " and students.batch_id=" . $batch_id . " GROUP BY student_session.student_id) as student on student.id=exam_group_students.student_id";
$query = $this->db->query($sql);
return $query->result();
}
public function get($id = null)
{
$this->db->select('class_batches.*,classes.class,sections.section,batch.name')->from('class_batches');
$this->db->join('class_sections', 'class_batches.class_section_id = class_sections.id');
$this->db->join('batch', 'batch.id = class_batches.batch_id');
$this->db->join('classes', 'classes.id = class_sections.class_id');
$this->db->join('sections', 'sections.id = class_sections.section_id');
if ($id != null) {
$this->db->where('class_batches.id', $id);
} else {
$this->db->order_by('class_batches.id');
}
$query = $this->db->get();
if ($id != null) {
$result = $query->row();
} else {
$result = $query->result();
foreach ($result as $key => $value) {
$value->batch_subjects = $this->getClassBatchSubjects($value->id);
}
return $result;
}
}
public function getClassBatchSubjects($id = null)
{
$this->db->select('class_batch_subjects.*,name as `subject_name`');
$this->db->from('class_batch_subjects');
$this->db->join('subjects', 'subjects.id = class_batch_subjects.subject_id');
$this->db->where('class_batch_subjects.class_batch_id', $id);
$this->db->order_by('class_batch_subjects.id', 'asc');
$query = $this->db->get();
return $query->result();
}
public function getByID($id = null)
{
$this->db->select('class_batch_subjects.*,class_batches.class_section_id as `class_section_id`,class_batches.batch_id, `class_sections`.`class_id`,`class_sections`.`section_id`');
$this->db->from('class_batch_subjects');
$this->db->join('class_batches', 'class_batches.id = class_batch_subjects.class_batch_id');
$this->db->join('class_sections', 'class_sections.id = class_batches.class_section_id');
$this->db->where('class_batch_subjects.id', $id);
$this->db->order_by('class_batch_subjects.id', 'asc');
$query = $this->db->get();
return $query->row();
}
/**
* This function will delete the record based on the id
* @param $id
*/
public function remove($id)
{
$this->db->trans_begin();
$record = $this->getByID($id);
$class_batch_id = $record->class_batch_id;
$this->db->where('id', $id);
$this->db->delete('class_batch_subjects'); //class record delete.
$this->db->select('*');
$this->db->where('class_batch_subjects.class_batch_id', $class_batch_id);
$query = $this->db->get('class_batch_subjects');
if ($query->num_rows() <= 0) {
$this->db->where('id', $class_batch_id);
$this->db->delete('class_batches'); //class record delete.
}
if ($this->db->trans_status() === false) {
$this->db->trans_rollback();
} else {
$this->db->trans_commit();
}
return true;
}
public function removeGroup($id)
{
$this->db->trans_begin();
$this->db->where('id', $id);
$this->db->delete('class_batches'); //class record delete.
if ($this->db->trans_status() === false) {
$this->db->trans_rollback();
} else {
$this->db->trans_commit();
}
return true;
}
public function add($data)
{
$this->db->trans_start();
$this->db->trans_strict(false);
$insert_id = "";
$subject_id = $data['subject_id'];
$is_exam = $data['is_exam'];
$batchsubject_id = $this->batchsubject_exists($data['class_section_id'], $data['batch_id']);
if (!$batchsubject_id) {
unset($data['subject_id']);
unset($data['is_exam']);
$this->db->insert('class_batches', $data);
$insert_id = $this->db->insert_id();
} else {
$insert_id = $batchsubject_id;
}
if (isset($data['id'])) {
$subject_array = array(
'id' => $data['id'],
'class_batch_id' => $insert_id,
'subject_id' => $subject_id,
'is_exam' => $is_exam,
);
$this->db->where('id', $data['id']);
$insert_id = $this->db->update('class_batch_subjects', $subject_array);
} else {
$subject_array = array(
'class_batch_id' => $insert_id,
'subject_id' => $subject_id,
'is_exam' => $is_exam,
);
$insert_id = $this->db->insert('class_batch_subjects', $subject_array);
}
$this->db->trans_complete();
if ($this->db->trans_status() === false) {
$this->db->trans_rollback();
return false;
} else {
$this->db->trans_commit();
return true;
}
}
public function batchsubject_exists($class_section_id, $batch_id)
{
$this->db->where('class_section_id', $class_section_id);
$this->db->where('batch_id', $batch_id);
$query = $this->db->get('class_batches');
if ($query->num_rows() > 0) {
return $query->row()->id;
}
return false;
}
public function check_data_exists($data)
{
$this->db->where('class', $data);
$query = $this->db->get('class_batches');
if ($query->num_rows() > 0) {
return $query->row();
} else {
return false;
}
}
public function class_exists($str)
{
$class = $this->security->xss_clean($str);
$res = $this->check_data_exists($class);
if ($res) {
$pre_class_id = $this->input->post('pre_class_id');
if (isset($pre_class_id)) {
if ($res->id == $pre_class_id) {
return true;
}
}
$this->form_validation->set_message('class_exists', 'Record already exists');
return false;
} else {
return true;
}
}
public function getBatchClass($id = null)
{
$this->db->select('class_batches.*,classes.id as class_id,classes.class')->from('class_batches');
$this->db->join('class_sections', 'class_batches.class_section_id = class_sections.id');
$this->db->join('classes', 'classes.id = class_sections.class_id');
$this->db->order_by('class_batches.id');
$this->db->group_by('classes.id');
$query = $this->db->get();
$result = $query->result();
return $result;
}
public function getBatchSectionByClass($classid)
{
$this->db->select('class_batches.*,classes.id as class_id,class_sections.id as class_section_id,classes.class,sections.section')->from('class_batches');
$this->db->join('class_sections', 'class_batches.class_section_id = class_sections.id');
$this->db->join('classes', 'classes.id = class_sections.class_id');
$this->db->join('sections', 'sections.id = class_sections.section_id');
$this->db->order_by('class_batches.id');
$this->db->where('classes.id', $classid);
$this->db->group_by('class_batches.class_section_id');
$query = $this->db->get();
$result = $query->result();
return $result;
}
public function getBatchByClassSection($class_section_id)
{
$this->db->select('class_batches.*,classes.id as class_id,class_sections.id as class_section_id,classes.class,sections.section,batch.name as `batch_name`')->from('class_batches');
$this->db->join('class_sections', 'class_batches.class_section_id = class_sections.id');
$this->db->join('batch', 'batch.id = class_batches.batch_id');
$this->db->join('classes', 'classes.id = class_sections.class_id');
$this->db->join('sections', 'sections.id = class_sections.section_id');
$this->db->order_by('class_batches.id');
$this->db->where('class_batches.class_section_id', $class_section_id);
$query = $this->db->get();
$result = $query->result();
return $result;
}
public function getBatchByClass($class_id)
{
$this->db->select('student_session.*,students.firstname,students.middlename,students.batch_id,batch.name as `batch_name`')->from('student_session');
$this->db->join('classes', 'student_session.class_id = classes.id');
$this->db->join('students', 'students.id = student_session.student_id');
$this->db->join('batch', 'batch.id = students.batch_id');
$this->db->where('student_session.class_id', $class_id);
$this->db->group_by('students.batch_id');
$this->db->order_by('students.id');
$query = $this->db->get();
$result = $query->result();
return $result;
}
public function getExamSubject($exam_subject_id)
{
$sql = "SELECT exam_group_class_batch_exam_subjects.*,subjects.name as `subject_name`,subjects.code FROM `exam_group_class_batch_exam_subjects` INNER JOIN subjects on subjects.id=exam_group_class_batch_exam_subjects.subject_id WHERE exam_group_class_batch_exam_subjects.id=" . $this->db->escape_str($exam_subject_id);
$query = $this->db->query($sql);
return $query->row();
}
public function valid_batchsubject()
{
$class_section_id = $this->input->post('section_id');
$batch_id = $this->input->post('batch_id');
$subject_id = $this->input->post('subject_id');
$id = $this->input->post('id');
if (!isset($id)) {
$id = 0;
}
if ($this->check_batch_subject_exists($class_section_id, $subject_id, $batch_id, $id)) {
$this->form_validation->set_message('check_batchsubjectexists', 'Record combination already exists');
return false;
} else {
return true;
}
}
public function check_batch_subject_exists($class_section_id, $subject_id, $batch_id, $id)
{
if ($class_section_id != "" && $subject_id != "" && $batch_id) {
$sql = "SELECT * FROM `class_batches` INNER JOIN class_batch_subjects on class_batch_subjects.class_batch_id=class_batches.id and class_batches.class_section_id=" . $this->db->escape_str($class_section_id) . " and batch_id=" . $this->db->escape_str($batch_id) . " WHERE class_batch_subjects.subject_id=" . $this->db->escape_str($subject_id) . " and class_batch_subjects.id !=" . $id;
$query = $this->db->query($sql);
if ($query->num_rows() > 0) {
return $query->row();
} else {
return false;
}
}
return false;
}
}
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