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Current File : /home1/savoy/public_html/savoyglobal.net/koaladraft/application/models/reportmodel.php

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class Reportmodel extends CI_Model
{

    function __construct()
    {
        // Call the Model constructor
        parent::__construct();
    }

    function get_deactivated_students()
    {
        $data = array();
        $data['student_class_id'] = array(0);
        $data['class'] = array();
        $sql = "SELECT * from student_deactivate 
            join student_class on student_class.student_id=student_deactivate.student_id AND student_class.student_class_id=student_deactivate.student_class_id
            where start_date <= '" . date('Y-m-d') . "'AND (end_date >= '" . date('Y-m-d') . "' OR end_date='0000-00-00') ";
        $result = $this->db->query($sql);

        if ($result->num_rows() > 0)
        {
            foreach ($result->result_array() as $row)
            {
                if (!(in_array($row['student_class_id'], $data['student_class_id'])))
                {
                    $data['student_class_id'][] = $row['student_class_id'];
                }
                $data['class'][$row['class_name_id']][] = $row['student_id'];
            }
        }
        $result->free_result();
        return $data;
    }

    function search_report()
    {
        $data = array();
        $this->db->select('*');
        $this->db->from('report');
        $this->db->where('report_module_id', $_SESSION['current_mode']);
        $this->db->order_by('report_sort', 'asc');
        $data['results'] = $this->db->get();
        return $data;
    }

    function get_students_report($postdata)
    {
        $data = array();
        $this->db->select('*,parent.parent_id as p_id,student.student_id as student_id');
        $this->db->from("student");
        $this->db->join('master', 'master.master_id=student.student_id');
        $this->db->join('parent_student', 'parent_student.student_id=student.student_id', 'left');
        $this->db->join('student_class', 'student_class.student_id=student.student_id', 'left');
        $this->db->join('parent', 'parent.parent_id=parent_student.parent_id', 'left');
        $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id', 'left');
        if ($postdata['from_date'] != '')
        {
            $this->db->where('admission_date >=', $this->mastermodel->convertdateformat($postdata['from_date']) . " 00:00:00");
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('admission_date <=', $this->mastermodel->convertdateformat($postdata['to_date']) . " 23:59:59");
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('student_class.class_name_id', $postdata['class_name_id']);
        }

        if ($postdata['gender'] != '')
        {
            $this->db->where('gender', $postdata['gender']);
        }

        $this->db->order_by('student.student_id', 'desc');
        $res = $this->db->get();
//echo $this->db->last_query();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_fee_report($postdata)
    {
        $data = array();
        $data['result_list'] = array();
        $data['result_count'] = array();
        $data['rowspan'] = array();
        $i = 1;
        $searchstr = '';
        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }
        $searchstr = substr($searchstr, 0, -1);

        $this->db->select('*,fee_particular_name,student_class.student_id,IF(payment_type="term",SUM(fee_amount),SUM(amount)) as fee,student_class_fee.student_class_fee_id as student_class_fee_id', false);
        $this->db->from('student_class');
        $this->db->join('student', 'student.student_id=student_class.student_id');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id');
        $this->db->join('student_class_fee', 'student_class_fee.student_class_id=student_class.student_class_id', 'left');
        $this->db->join('student_monthly_fee', 'student_monthly_fee.student_class_fee_id=student_class_fee.student_class_fee_id', 'left');
        $this->db->join('fee_particular', 'fee_particular.fee_particular_id=student_class_fee.fee_particular_id	');
        $this->db->order_by('student_class.class_name_id,student_class.student_id,student_class_fee.student_class_fee_id', 'asc');
        $this->db->group_by('student_class.class_name_id,student_class.student_id,student_class_fee.student_class_fee_id');

        if ($postdata['student_id'] != '')
        {
            $this->db->where('student_class.student_id', $postdata['student_id']);
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('student_class.class_name_id', $postdata['class_name_id']);
        }
        $Q = $this->db->get();
//        echo $this->db->last_query();
        if ($Q->num_rows() > 0)
        {
            foreach ($Q->result_array() as $row)
            {
//                echo $row['student_class_fee_id'];
                $data['result'][$row['student_class_fee_id']] = $row;
                if (isset($data['amount'][$row['student_class_fee_id']]))
                    $data['amount'][$row['student_class_fee_id']]+=$row['fee'];
                else
                    $data['amount'][$row['student_class_fee_id']] = $row['fee'];
            }
        }

//        if (isset($data['result'])) {
//            foreach ($data['result'] as $value) {
//
//                $paid = 0;
////                if (isset($data['amount_paid'][$value['student_class_fee_id']]['fee_paid'])) {
////                    $paid = $data['amount_paid'][$value['student_class_fee_id']]['fee_paid'];
////                    if ($paid < $data['amount'][$value['student_class_id']]) {
//                $data['result_list'][$value['student_class_fee_id']] = $value;
//                $data['result_list'][$value['student_class_fee_id']]['fee_paid'] = $paid;
//                $data['result_list'][$value['student_class_fee_id']]['fee'] = $data['amount'][$value['student_class_fee_id']];
////                if (isset($data['result_count'][$value['class_name_id']])) {
////                    $data['result_count'][$value['class_name_id']]+=1;
////                } else {
////                    $data['result_count'][$value['class_name_id']] = 1;
////                }
////                if (isset($data['rowspan'][$value['class_name_id']][$value['student_id']]))
////                    $data['rowspan'][$value['class_name_id']][$value['student_id']]+=1;
////                else
////                    $data['rowspan'][$value['class_name_id']][$value['student_id']] = 1;                
//
////                    }
////                }
//            }
//        }
        $Q->free_result();
        return $data;
    }

    function feereport_fee_paid_details($postdata)
    {
        $data = array();
        $this->db->select('*,student_class.student_id as student_id,fee_paid_details.id as id', false);
        $this->db->from('student_class');
        $this->db->join('fee', 'fee.student_class_id=student_class.student_class_id', 'left');
        $this->db->join('student', 'student.student_id=student_class.student_id');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id', 'left');
        $this->db->join('fee_paid_details', 'fee_paid_details.fee_id=fee.fee_id', 'left');
        $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');
        $this->db->join('student_class_fee', 'student_class_fee.student_class_fee_id=fee_paid_details.student_class_fee_id', 'left');
        $this->db->join('fee_particular', 'fee_particular.fee_particular_id=student_class_fee.fee_particular_id	');
        $this->db->order_by('student_class.class_name_id,student_class.student_id,fee.fee_id', 'asc');
//        $this->db->group_by('fee_paid_details.student_class_fee_id');
        if ($postdata['student_id'] != '')
        {
            $this->db->where('student_class.student_id', $postdata['student_id']);
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('student_class.class_name_id', $postdata['class_name_id']);
        }
        if ($postdata['from_date'] != '')
        {
            $this->db->where('fee_date >=', $this->mastermodel->convertdateformat($postdata['from_date']));
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('fee_date <=', $this->mastermodel->convertdateformat($postdata['to_date']));
        }
        $Q = $this->db->get();
//        $output= $this->get_fee_report($postdata);
//        $data['fee_details']=$output['result'];
        if ($Q->num_rows() > 0)
        {
            foreach ($Q->result_array() as $row)
            {
                $data['result_list'][$row['id']] = $row;
                if (isset($data['rowspan'][$row['student_class_id']][$row['fee_id']]))
                    $data['rowspan'][$row['student_class_id']][$row['fee_id']]+=1;
                else
                    $data['rowspan'][$row['student_class_id']][$row['fee_id']] = 1;
            }
        }
        $Q->free_result();

        return $data;
    }

    function get_student_monthly_fee_details()
    {
        $data = array();
        $this->db->select('*');
        $this->db->from('student_monthly_fee');
        $this->db->order_by('fee_wef_date', 'asc');
        $Q = $this->db->get();
        if ($Q->num_rows() > 0)
        {
            foreach ($Q->result_array() as $row)
            {
                $data[$row['student_class_fee_id']][] = $row;
            }
        }
        $Q->free_result();
        return $data;
    }

    function get_student_fee_paid_details($postdata)
    {
        $data = array();
        $this->db->select('*,sum(amount_paid)  as amount_paid');
        $this->db->from('fee');
        $this->db->join('student_class', 'student_class.student_class_id=fee.student_class_id');
        $this->db->join('fee_paid_details', 'fee_paid_details.fee_id=fee.fee_id');
        if ($postdata['student_id'] != '')
        {
            $this->db->where('student_class.student_id', $postdata['student_id']);
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('student_class.class_name_id', $postdata['class_name_id']);
        }

        if ($postdata['from_date'] != '')
        {
            $this->db->where('fee_date >=', $this->mastermodel->convertdateformat($postdata['from_date']));
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('fee_date <=', $this->mastermodel->convertdateformat($postdata['to_date']));
        }

        $this->db->order_by('fee.student_class_id,student_class_fee_id');
        $this->db->group_by('fee.student_class_id,student_class_fee_id,payment_for');
        $Q = $this->db->get();
//        echo $this->db->last_query();
        if ($Q->num_rows() > 0)
        {
            foreach ($Q->result_array() as $row)
            {
                $data[$row['student_class_id']][$row['student_class_fee_id']][$row['payment_for']] = $row;
            }
        }
        $Q->free_result();
        return $data;
    }

    function get_fee_pending_report($postdata)
    {
        $data = array();
        $i = 1;
        $searchstr = '';
        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }
        $searchstr = substr($searchstr, 0, -1);
        $this->db->select('*', false);

        $this->db->from('student_class');
        $this->db->join('student_class_fee', 'student_class_fee.student_class_id=student_class.student_class_id');
        $this->db->join('fee_particular', 'fee_particular.fee_particular_id=student_class_fee.fee_particular_id');
        $this->db->join('student', 'student.student_id=student_class.student_id');
        $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id');
        $this->db->join('term', 'term.term_id=student_class.term_id');

        if ($postdata['student_id'] != '')
        {
            $this->db->where('student_class.student_id', $postdata['student_id']);
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('student_class.class_name_id', $postdata['class_name_id']);
        }


        $this->db->order_by('student_class.student_class_id', 'asc');
        $res = $this->db->get();

        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data['student_fee_details'][$row['student_class_id']][] = $row;
                $data['accademic_year'][$row['student_class_id']] = $this->mastermodel->get_single_field_value('academic_year', 'display_name', 'academic_year_id', $row['class_name_academic_year_id']);
                $data['term'][$row['student_class_id']] = $row['class_term_id'];
                $count = 0;
                if (isset($data['rowspan'][$row['student_class_id']]))
                    $count = $data['rowspan'][$row['student_class_id']];
                $data['rowspan'][$row['student_class_id']] = $count + 1;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_business_summary_report($postdata)
    {
        $data = array();
        $date = date("Y-m-d");
        if ($postdata['student_type'] == 'Active')
        {
            $sql = '*,class_name_id as class,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00") AND student_deactivate.start_date <= "' . $date . '",0,IF(cancellation_date <= "' . $date . '" ,0,student_class.registration_fee))) as registration_fee,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00") AND student_deactivate.start_date <= "' . $date . '",0,IF(cancellation_date <= "' . $date . '" ,0,student_class.course_fee))) as course_fee_total,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00") AND student_deactivate.start_date <= "' . $date . '",0,IF(cancellation_date <= "' . $date . '" ,0,student_class.books_fee))) as books_fee,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00")AND student_deactivate.start_date <= "' . $date . '",0,IF(cancellation_date <="' . $date . '" ,0,1))) as student_count1';
        }
        else if ($postdata['student_type'] == '')
        {
            $sql = '*,class_name_id as class,
            SUM(student_class.registration_fee) as registration_fee,
            SUM(student_class.course_fee) as course_fee_total,
            SUM(student_class.books_fee) as books_fee,
            COUNT(*) as student_count1';
        }
        else if ($postdata['student_type'] == 'Deactivated')
        {
            $sql = '*,class_name_id as class,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00") AND student_deactivate.start_date <= "' . $date . '",student_class.registration_fee,0)) as registration_fee,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00") AND student_deactivate.start_date <= "' . $date . '",student_class.course_fee,0)) as course_fee_total,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00") AND student_deactivate.start_date <= "' . $date . '",student_class.books_fee,0)) as books_fee,
            SUM(IF((student_deactivate.activate_date > "' . $date . '" OR student_deactivate.activate_date = "0000-00-00")AND student_deactivate.start_date <= "' . $date . '",1,0)) as student_count1';
        }
        if ($postdata['student_type'] == 'Canceled')
        {
            $sql = '*,class_name_id as class,
            SUM(IF(cancellation_date <= "' . $date . '" ,student_class.registration_fee,0)) as registration_fee,
            SUM(IF(cancellation_date <= "' . $date . '" ,student_class.course_fee,0)) as course_fee_total,
            SUM(IF(cancellation_date <= "' . $date . '" ,student_class.books_fee,0)) as books_fee,
            SUM(IF(cancellation_date <="' . $date . '" ,1,0)) as student_count1';
        }
        $this->db->select($sql, false);
        $this->db->from("student_class");
        $this->db->join('course', 'course.course_id=student_class.course_id');
        $this->db->join('class', 'class.class_id=student_class.class_name_id');
        $this->db->join('student_cancellation', 'student_cancellation.student_class_id=student_class.student_class_id', 'left');
        $this->db->join('student_deactivate', 'student_deactivate.student_id=student_class.student_id AND student_deactivate.class_id=student_class.class_name_id', 'left');
        $this->db->group_by('class_name_id');
        if ($postdata['course_id'] != '')
        {
            $this->db->where('class.course_id', $postdata['course_id']);
        }
        if ($postdata['class_status'] != '')
        {
            $this->db->where('class.close', $postdata['class_status']);
        }
        $this->db->order_by('course.course_id');
        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data['result'][] = $row;
                if (isset($data[$row['course_id']]))
                    $data[$row['course_id']]+=1;
                else
                {
                    $data[$row['course_id']] = 1;
                }
            }
        }
        $res->free_result();
        return $data;
    }

    function get_cancellation_report($postdata)
    {
        $data = array();
        $i = 1;
        $searchstr = '';

        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }
        $searchstr = substr($searchstr, 0, -1);
        $this->db->select($searchstr, false);
        $this->db->from("student_cancellation");
        $this->db->join('student', 'student.student_id=student_cancellation.student_id');
        $this->db->join('student_class', 'student_class.student_class_id=student_cancellation.student_class_id', 'left');
        $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id', 'left');

        if ($postdata['from_date'] != '')
        {
            $this->db->where('cancellation_date >=', $this->mastermodel->convertdateformat($postdata['from_date']) . " 00:00:00");
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('cancellation_date <=', $this->mastermodel->convertdateformat($postdata['to_date']) . " 23:59:59");
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('class_name.class_name_id', $postdata['class_name_id']);
        }
        if ($postdata['student_id'] != '')
        {
            $this->db->where('student_cancellation.student_id', $postdata['student_id']);
        }
//        if ($postdata['gender'] != '') {
//            $this->db->where('gender', $postdata['gender']);
//        }

        $this->db->order_by('cancellation_date', 'desc');
        $res = $this->db->get();

        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_class_allocation_report($postdata)
    {
        $output = $this->get_deactivated_students();
        $deactivated_students = $output['student_class_id'];
        $data = array();
        $i = 1;
        $searchstr = '';
        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }

        $searchstr = substr($searchstr, 0, -1);
        $this->db->select(' * , student_class.student_id as student_id,cancellation_id,IFNULL(student_class.student_class_id ,0) as student_class_id,
            group_concat(class_name.class_name_code) as course,count(*) as count,group_concat(student_class.class_allocation_date) as allo_date', false);
        $this->db->from("student_class");
        $this->db->join('student', 'student.student_id=student_class.student_id', 'left');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id', 'left');
        $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');
        $this->db->group_by("student_class.student_id");
        $this->db->join('student_cancellation', 'student_cancellation.student_class_id=student_class.student_class_id', 'left');
        if ($postdata['student_type'] == 'active')
        {
            $this->db->having('cancellation_id is null');
        }
        if ($postdata['student_type'] == 'deactivated')
        {
            $this->db->where_in('student_class.student_class_id', $deactivated_students);
        }
        if ($postdata['student_type'] == 'cancelled')
        {
            $this->db->having('cancellation_id is not null');
        }
        if ($postdata['from_date'] != '')
        {
            $this->db->where('class_allocation_date >=', $this->mastermodel->convertdateformat($postdata['from_date']) . " 00:00:00");
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('class_allocation_date <=', $this->mastermodel->convertdateformat($postdata['to_date']) . " 23:59:59");
        }
        if ($postdata['student_id'] != '')
        {
            $this->db->where('parent_student.student_id', $postdata['student_id']);
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('class_name.class_name_id', $postdata['class_name_id']);
        }

        $this->db->order_by('student_class.student_id', 'desc');
        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                if ($postdata['student_type'] == 'active')
                {
                    if (!in_array($row['student_class_id'], $deactivated_students))
                    {
                        $data[] = $row;
                    }
                }
                else
                {
                    $data[] = $row;
                }
            }
        }
        $res->free_result();
        return $data;
    }

    function get_parents_report($postdata)
    {
        $output = $this->get_deactivated_students();
        $deactivated_students = $output['student_class_id'];
        $data = array();
        $this->db->select('*,parent.parent_id as p_id,cancellation_id,IFNULL(student_class.student_class_id,"0") as student_class_id', false);
        $this->db->from("parent");
        $this->db->join('parent_student', 'parent_student.parent_id=parent.parent_id', 'left');
        $this->db->join('student', 'student.student_id=parent_student.student_id', 'left');
        $this->db->join('student_class', 'student_class.student_id=parent_student.student_id', 'left');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id', 'left');
        $this->db->join('student_cancellation', 'student_cancellation.student_class_id=student_class.student_class_id', 'left');
        if ($postdata['student_type'] == 'active')
        {
            $this->db->having('cancellation_id is null');
        }
        if ($postdata['student_type'] == 'deactivated')
        {
            $this->db->where_in('student_class.student_class_id', $deactivated_students);
        }
        if ($postdata['student_type'] == 'cancelled')
        {
            $this->db->having('cancellation_id is not null');
        }
        if ($postdata['student_id'] != '')
        {
            $this->db->where('parent_student.student_id', $postdata['student_id']);
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('class_name.class_name_id', $postdata['class_name_id']);
        }

        $this->db->order_by('parent.parent_id', 'desc');
        $res = $this->db->get();

        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                if ($postdata['student_type'] == 'active')
                {
                    if (!in_array($row['student_class_id'], $deactivated_students))
                    {
                        $data[] = $row;
                    }
                }
                else
                {
                    $data[] = $row;
                }
            }
        }
        $res->free_result();
        return $data;
    }

    function get_test_report($postdata)
    {
        $this->db->select('*');
        $this->db->from("student_assessment");
        $this->db->join('class_name', 'class_name.class_name_id=student_assessment.class_name_id');
        $this->db->join('assessment_master', 'assessment_master.assessment_master_id=student_assessment.assessment_master_id');
        $this->db->from('student', 'student.class_name_id=student_assessment.student_assessment_id');
        $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');

        if ($postdata['from_date'] != '')
        {
            $this->db->where('assessment_date >=', $this->mastermodel->convertdateformat($postdata['from_date']) . " 00:00:00");
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('assessment_date <=', $this->mastermodel->convertdateformat($postdata['to_date']) . " 23:59:59");
        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('class_name.class_name_id', $postdata['class_name_id']);
        }
        if ($postdata['assessment_master_id'] != '')
        {
            $this->db->where('student_assessment.assessment_master_id', $postdata['assessment_master_id']);
        }
        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_marks($std_id, $student_assessment_id)
    {
        $data = array();
        $this->db->select('*');
        $this->db->from('student_assessment_details');
        $this->db->where('student_id', $std_id);
        $this->db->where('student_assessment_id', $student_assessment_id);
        $Q = $this->db->get();
        if ($Q->num_rows() > 0)
        {
            foreach ($Q->result_array() as $row)
            {
                $data[] = $row;
            }
        }

        $Q->free_result();
        return $data;
    }

    function get_class($std_id)
    {
        $data = array();
        $this->db->select('class_name_code');
        $this->db->from('class_name');
        $this->db->join('student_class', 'student_class.class_name_id=class_name.class_name_id');
        $this->db->where('student_id', $std_id);
        $this->db->order_by('student_class.class_allocation_date', 'desc');
        $this->db->limit('1');
        $Q = $this->db->get();
        $result = $Q->row();
        if ($result)
        {
            return $result->class_name_code;
        }
        else
        {
            return "";
        }
    }

    function get_attendance_report($postdata)
    {
        $data = array();
        $this->db->select("attendance_details.student_id,group_concat(attendance_date) as att_date ,
            group_concat(TIMEDIFF(attendance_details.end_time,attendance_details.start_time) ) as att_time,
            group_concat(attendance)as att_status", FALSE);
        $this->db->from('attendance');
        $this->db->join('attendance_details', 'attendance_details.attendance_id=attendance.attendance_id');
        $this->db->join('student', 'student.student_id=attendance_details.student_id');
//         $this->db->join('nationality', 'nationality.nationality_id=student.nationality_id');
        $this->db->join('class_name', 'class_name.class_name_id=attendance.class_id');
        $this->db->group_by("student_id");

//        if ($postdata['from_date'] != '') {
//            $this->db->where('attendance_date >=', $this->mastermodel->convertdateformat($postdata['from_date']) . " 00:00:00");
//        }
//        if ($postdata['to_date'] != '') {
//            $this->db->where('attendance_date <=', $this->mastermodel->convertdateformat($postdata['to_date']) . " 23:59:59");
//        }
        if ($postdata['class_name_id'] != '')
        {
            $this->db->where('attendance.class_id', $postdata['class_name_id']);
        }
        $this->db->order_by('attendance_date', 'desc');
        $res = $this->db->get();


        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
//        echo $this->db->last_query();
        $res->free_result();
        return $data;
    }

    function get_student_list_report($postdata)
    {
//        $data = array();
        $this->db->select('*');
        $this->db->from('student');
        $this->db->join('student_class', 'student_class.student_id=student.student_id');
        $this->db->join('class_name', 'class_name.class_name_id=student_class.class_name_id');
        $this->db->join('class_room', 'class_room.class_room_id=class_name.class_room_id');
        $this->db->join('session', 'session.session_id=class_session', 'left');
        if (isset($postdata['class_room_id']) != '')
            $this->db->where('class_room.class_room_id', $postdata['class_room_id']);
        $this->db->where('cancelled', 0);
        $this->db->order_by('class_allocation_date', 'desc');
        $this->db->order_by('session_name', 'asc');
        $this->db->group_by('student.student_id');
        $query = $this->db->get();
        return $query->result();
    }

    function get_leave_report($postdata)
    {

        $data = array();
        $i = 1;
        $searchstr = '';

        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }

        $searchstr = substr($searchstr, 0, -1);
        $this->db->select($searchstr);
        $this->db->from("leave_application");
        $this->db->join('employee', 'employee.employee_id=leave_application.employee_id');
        $this->db->join('leave_type', 'leave_type.leave_type_id=leave_application.leave_type_id');


        if ($postdata['start_date'] != '')
        {
            $this->db->where('from_date >=', $this->mastermodel->convertdateformat($postdata['start_date']) . " 00:00:00");
        }
        if ($postdata['end_date'] != '')
        {
            $this->db->where('to_date <=', $this->mastermodel->convertdateformat($postdata['end_date']) . " 23:59:59");
        }
        if ($postdata['employee_id'] != '')
        {
            $this->db->where('employee.employee_id', $postdata['employee_id']);
        }
        if ($postdata['leave_type_id'] != '')
        {
            $this->db->where('leave_type.leave_type_id', $postdata['leave_type_id']);
        }

        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_employee_details_report($postdata)
    {

        $data = array();
        $i = 1;
        $searchstr = '';

        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }

        $searchstr = substr($searchstr, 0, -1);
        $this->db->select($searchstr);
        $this->db->from("employee");
        $this->db->join('department', 'department.department_id=employee.employee_department_id');
        $this->db->join('nationality', 'nationality.nationality_id=employee.employee_nationality_id');
        $this->db->join('designation', 'designation.designation_id=employee.employee_designation_id');
        $this->db->join('grade', 'grade.grade_id=employee.employee_grade_id');
        $this->db->join('status', 'status.status_id=employee.employee_status_id');
        $this->db->join('master', 'master.master_id=employee.employee_id');
        $this->db->join('branch', 'branch.branch_id=employee.employee_branch_id');


        if ($postdata['employee_name'] != '')
        {
            $this->db->where('employee_name', $postdata['employee_name']);
        }
        if ($postdata['employee_department_id'] != '')
        {
            $this->db->where('employee.employee_department_id', $postdata['employee_department_id']);
        }

        if ($postdata['employee_designation_id'] != '')
        {
            $this->db->where('employee.employee_designation_id', $postdata['employee_designation_id']);
        }
        if ($postdata['employee_grade_id'] != '')
        {
            $this->db->where('employee.employee_grade_id', $postdata['employee_grade_id']);
        }
        if ($postdata['employee_status'] != '')
        {
            $this->db->where('employee.employee_status_id', $postdata['employee_status']);
        }
        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_personal_summary_report($postdata)
    {

        $data = array();
        $i = 1;
        $searchstr = '';

        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {

                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }

        $searchstr = substr($searchstr, 0, -1);
        $this->db->select($searchstr, FALSE);
        $this->db->from("employee");
        $this->db->join('nationality', 'nationality.nationality_id=employee.employee_nationality_id');

        if ($postdata['sub_date'] != '')
        {
            $sub_date = $postdata['sub_date'];
            if ($postdata['start_date'] != '')
            {
                $this->db->where("$sub_date >=", $this->mastermodel->convertdateformat($postdata['start_date']), NULL, FALSE);
            }
            if ($postdata['end_date'] != '')
            {
                $this->db->where("$sub_date <=", $this->mastermodel->convertdateformat($postdata['end_date']), NULL, FALSE);
            }
        }


        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_monthly_statistics_report($postdata)
    {
        $data = array();
        $this->db->from("student");
        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
        $res->free_result();
        return $data;
    }

    function get_children($nationality_type, $gender, $age_lower, $age_upper, $postdata)
    {
        $max_dob = date('Y-m-d', strtotime(date("Y-m-d") . "-$age_upper year"));
        $min_dob = date('Y-m-d', strtotime(date("Y-m-d") . "-$age_lower year"));
        $this->db->from("student");
        $this->db->join("nationality", "nationality.nationality_id=student.nationality_id");
        $this->db->join("attendance_details", "attendance_details.student_id=student.student_id");
        $this->db->join("attendance", "attendance.attendance_id=attendance_details.attendance_id");
        if ($nationality_type == "Qatari")
            $this->db->where("nationality.nationality_type", $nationality_type);
        else
            $this->db->where("nationality.nationality_type != ", "Qatari");
        $this->db->where("student.gender", $gender);
        $this->db->where("student.dob >", $max_dob);
        $this->db->where("student.dob <=", $min_dob);

        $this->db->where("attendance.attendance_date >=", $this->mastermodel->convertdateformat($postdata['from_date']));
        $this->db->where("attendance.attendance_date <=", $this->mastermodel->convertdateformat($postdata['to_date']));
        $res = $this->db->get();
        return $res->num_rows();
    }

    function get_employee($designation_id, $nationality_type)
    {
        $this->db->from("employee");
        $this->db->join("nationality", "nationality.nationality_id=employee.employee_nationality_id");
        $this->db->where("nationality.nationality_type", $nationality_type);
        $this->db->where("employee_designation_id", $designation_id);
        $res = $this->db->get();
        return $res->num_rows();
    }

    function get_salary_report($postdata)
    {

        $data = array();
        $i = 1;
        $searchstr = '';

        while ($i <= $postdata['field_count'])
        {
            if (isset($postdata['field_name_' . $i]))
            {
                $column_name = explode('~', $postdata['field_name_' . $i]);
                $searchstr .= $column_name[0] . " as '" . $column_name[1] . "',";
            }
            $i++;
        }

        $searchstr = substr($searchstr, 0, -1);
        $this->db->select($searchstr);
        $this->db->from("employee_salary_slip");
        $this->db->join('employee', 'employee.employee_id=employee_salary_slip.employee_id');



        if ($postdata['employee_id'] != '')
        {
            $this->db->where('employee.employee_id', $postdata['employee_id']);
        }
        if ($postdata['start_date'] != '')
        {
            $this->db->where('salary_date >=', $this->mastermodel->convertdateformat($postdata['start_date']), NULL, FALSE);
        }
        if ($postdata['end_date'] != '')
        {
            $this->db->where('salary_date <=', $this->mastermodel->convertdateformat($postdata['end_date']), NULL, FALSE);
        }
        $res = $this->db->get();
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }

        $res->free_result();
        return $data;
    }

    function get_attendance_student($std_id, $date)
    {
        $date = $this->mastermodel->convertdateformat($date);
        $data = array();
        $this->db->select('attendance');
        $this->db->from('attendance_details');
        $this->db->join('attendance', 'attendance.attendance_id=attendance.attendance_id');
        $this->db->where('attendance_date', $date);
        $this->db->where('student_id', $std_id);
        $this->db->order_by('attendance_date', 'asc');
        $Q = $this->db->get();
        if ($Q->num_rows() > 0)
        {
            $result = $Q->row();

            if ($result)
            {
                if ($result->attendance == 1)
                    return "A";
                if ($result->attendance == 0)
                    return "P";
            }
            else
            {
                return " ";
            }
        }
        else
        {
            return " ";
        }
    }

    function get_paid_fee_details($batch_id, $student_type = '')
    {
        $data = array();
        $date = date("Y-m-d");
        $this->db->select('*');
        $this->db->from('fee');
        $this->db->join('fee_paid_details', 'fee_paid_details.fee_id=fee.fee_id');
        $this->db->join('student_batch', 'student_batch.student_batch_id=fee.student_batch_id');
        $this->db->where('current_batch_id', $batch_id);
        $res = $this->db->get();
        $key = '';
        $paid = '';
        $crs = 0;
        $reg = 0;
        $extra = 0;
        $books = 0;
        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $deactivate = $this->studentmodel->check_deactivate($row['current_batch_id'], $row['student_id'], $date);
                $cancell = $this->studentmodel->check_cancelled_student($row['current_batch_id'], $row['student_id'], $date);
                $flag = 0;
                if ($student_type == '')
                    $flag = 1;
                else if ($student_type == 'Active' && $cancell == '0' && $deactivate == 0)
                    $flag = 1;
                else if ($student_type == 'Deactivated' && $deactivate != '0')
                    $flag = 1;
                else if ($student_type == 'Canceled' && $cancell != '0')
                    $flag = 1;

                if ($flag == 1)
                {
                    if ($row['fee_type'] == 'course')
                    {
                        $crs+=$row['amount_paid'];
                    }

                    if ($row['fee_type'] == 'registration')
                        $reg+=$row['amount_paid'];

                    if ($row['fee_type'] == 'extraclass')
                        $extra+=$row['amount_paid'];
                    if ($row['fee_type'] == 'books')
                        $books+=$row['amount_paid'];
                }
            }
        }


        $data = array('course_paid_fee' => $crs, 'reg_fee_paid' => $reg, 'extra_fee_paid' => $extra, 'books_fee_paid' => $books);
        return $data;
    }

    function get_employee_attendance_report($postdata)
    {
        $data = array();
        $this->db->select("*,group_concat(employee_attendance_date SEPARATOR '#') as att_details,group_concat(employee_attendance_status SEPARATOR '#') as att_stat", FALSE);
        $this->db->from('employee_attendance');
        $this->db->join('employee_attendance_details', 'employee_attendance_details.employee_attendance_id=employee_attendance.employee_attendance_id');
        $this->db->join('employee', 'employee.employee_id=employee_attendance_details.employee_id');
        $this->db->group_by("employee_attendance_details.employee_id");

        if ($postdata['from_date'] != '')
        {
            $this->db->where('employee_attendance_date >=', $this->mastermodel->convertdateformat($postdata['from_date']) . " 00:00:00");
        }
        if ($postdata['to_date'] != '')
        {
            $this->db->where('employee_attendance_date <=', $this->mastermodel->convertdateformat($postdata['to_date']) . " 23:59:59");
        }

        $this->db->order_by('employee_attendance_date', 'asc');
        $res = $this->db->get();


        if ($res->num_rows() > 0)
        {
            foreach ($res->result_array() as $row)
            {
                $data[] = $row;
            }
        }
//        echo $this->db->last_query();
        $res->free_result();
        return $data;
    }

}

bypass 1.0, Devloped By El Moujahidin (the source has been moved and devloped)
Email: contact@elmoujehidin.net