Current File : //proc/self/root/home2/selectio/www/bharath/application/models/Class_model.php
<?php
if (!defined('BASEPATH')) {
exit('No direct script access allowed');
}
class Class_model extends MY_Model
{
public function __construct()
{
parent::__construct();
$this->current_session = $this->setting_model->getCurrentSession();
}
/**
* This funtion takes id as a parameter and will fetch the record.
* If id is not provided, then it will fetch all the records form the table.
* @param int $id
* @return mixed
*/
public function getAll($id = null)
{
$this->db->select()->from('classes');
if ($id != null) {
$this->db->where('id', $id);
} else {
$this->db->order_by('class');
}
$query = $this->db->get();
if ($id != null) {
$classlist = $query->row_array();
} else {
$classlist = $query->result_array();
}
return $classlist;
}
public function get($id = null, $classteacher = null)
{
$userdata = $this->customlib->getUserData();
$role_id = $userdata["role_id"];
$carray = array();
if (isset($role_id) && ($userdata["role_id"] == 2) && ($userdata["class_teacher"] == "yes")) {
if ($userdata["class_teacher"] == 'yes') {
$classlist = $this->teacher_model->get_teacherrestricted_mode($userdata["id"]);
}
} else {
$this->db->select()->from('classes');
if ($id != null) {
$this->db->where('id', $id);
} else {
$this->db->order_by('class');
}
$query = $this->db->get();
if ($id != null) {
$classlist = $query->row_array();
} else {
$classlist = $query->result_array();
}
}
return $classlist;
}
/**
* This function will delete the record based on the id
* @param $id
*/
public function remove($id)
{
$this->db->trans_start(); # Starting Transaction
$this->db->trans_strict(false); # See Note 01. If you wish can remove as well
//=======================Code Start===========================
$this->db->where('id', $id);
$this->db->delete('classes'); //class record delete.
$this->db->where('class_id', $id);
$this->db->delete('class_sections'); //class_sections record delete.
$message = DELETE_RECORD_CONSTANT . " On classes id " . $id;
$action = "Delete";
$record_id = $id;
$this->log($message, $record_id, $action);
//======================Code End==============================
$this->db->trans_complete(); # Completing transaction
/*Optional*/
if ($this->db->trans_status() === false) {
# Something went wrong.
$this->db->trans_rollback();
return false;
} else {
//return $return_value;
}
}
/**
* This function will take the post data passed from the controller
* If id is present, then it will do an update
* else an insert. One function doing both add and edit.
* @param $data
*/
public function add($data)
{
if (isset($data['id'])) {
$this->db->where('id', $data['id']);
$this->db->update('classes', $data);
} else {
$this->db->insert('classes', $data);
}
}
public function check_data_exists($data)
{
$this->db->where('class', $data);
$query = $this->db->get('classes');
if ($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;
}
}
$this->form_validation->set_message('class_exists', 'Record already exists');
return false;
} else {
return true;
}
}
public function check_classteacher_exists($class, $section, $teacher)
{
$this->db->where(array('class_id' => $class, 'section_id' => $section,'session_id'=>$this->current_session));
// $this->db->where_in('staff_id', $teacher);
$query = $this->db->get('class_teacher');
if ($query->num_rows() > 0) {
return $query->row();
} else {
return false;
}
}
public function class_teacher_exists($str)
{
$class = $this->input->post('class');
$section = $this->input->post('section');
$teachers = $this->input->post('teachers');
$res = $this->check_classteacher_exists($class, $section, $teachers);
if ($res) {
$prev_class_id = $this->input->post('prev_class_id');
$prev_section_id = $this->input->post('prev_section_id');
if (isset($prev_class_id) && isset($prev_section_id) ) {
if ($prev_class_id == $class && $prev_section_id == $section) {
return true;
}
}
$this->form_validation->set_message('class_exists', 'Record already exists');
return false;
} else {
return true;
}
}
public function getClassTeacher()
{
$query = $this->db->query('SELECT class_teacher.*,classes.class,sections.section FROM `class_teacher` INNER JOIN classes on classes.id=class_teacher.class_id INNER JOIN sections on sections.id=class_teacher.section_id where class_teacher.session_id="'.$this->current_session.'" GROUP BY class_teacher.class_id , class_teacher.section_id ORDER by length(classes.class), classes.class');
// $query = $this->db->query('SELECT distinct class_id AS class_id ,section_id,
// (SELECT C.class FROM classes C WHERE C.ID = CT.CLASS_ID) class,
// (SELECT S.SECTION FROM sections S WHERE S.ID = CT.SECTION_ID) section
// FROM class_teacher CT where 1=1');
$result = $query->result_array();
return $result;
}
public function get_section($id)
{
return $this->db->select('sections.id,sections.section')->from('class_sections')->join('sections', 'class_sections.section_id=sections.id')->where('class_id', $id)->get()->result_array();
}
}
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