<?php defined('BASEPATH') OR exit('No direct script access allowed');


/**
 * 
 */
class Session_model extends BaseModel
{
    function __constuct(){
        parent::__construct(); 
    }

    public function store_session($data,$return_query=FALSE){
        $this->table='institute_sessions';
        return $this->store($data,FALSE,$return_query);
    }

    public function update_session($data,$param,$batch=FALSE,$return_query=FALSE){
        $this->table='institute_sessions';
        return $this->modify($data,$param,$batch,$return_query);
    }

    public function delete_session($param,$return_query=FALSE){
        $this->table='institute_sessions';
        return $this->remove($param,0,$return_query);
    }

    public function get_session($param,$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions';
        if($single_row==TRUE){
            return $this->get_one($param,'',$return_query);
        }else if($single_row==FALSE){
            return $this->get_many($param,null,null,$return_query);
        }       
    }

    public function get_session_specific($fields,$param,$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions';
        if($single_row==TRUE){
            return $this->get_one_specific($fields,$param,'',$return_query);
        }else if($single_row==FALSE){
            return $this->get_many_specific($fields,$param,null,null,$return_query);
        }       
    }


    public function _get_sessions($post=array(),$param=array(),$count=FALSE,$return_query=FALSE){
        $this->_db->select('institute_sessions.*');

        $i = 0;

        if(isset($param['inst_id'])){
            $this->_db->where('session_inst_id',$param['inst_id']);
        }

        if(isset($param['column_search'])){
            foreach ($param['column_search'] as $item)
            {
                if(isset($post['search']['value']) && $post['search']['value'])
                {
                    
                    if($i===0)
                    {
                        $this->_db->group_start();
                        $this->_db->like($item, $post['search']['value']);
                    }
                    else
                    {
                        $this->_db->or_like($item, $post['search']['value']);
                    }

                    if(count($param['column_search']) - 1 == $i)
                        $this->_db->group_end();
                }
                
                $i++;
            }
        }

            
        if(isset($post['order']))
        {
            $column_order=$param['column_order'];
            $this->_db->order_by($column_order[$post['order']['0']['column']], $post['order']['0']['dir']);
        } 
        else if(isset($param['order']))
        {
            $order = $param['order'];
            $this->_db->order_by(key($order), $order[key($order)]);
        }

        if($count==FALSE){
            if(isset($post['length']) && $post['length'] != -1){
                $this->_db->limit($post['length'],$post['start']);   
            }
            
            $query = $this->_db->get('institute_sessions');

            if($return_query==FALSE){
                return $query->result();
            }else if($return_query==TRUE){
                return $this->_db->last_query();
            }       
            
        }else if($count==TRUE){
            $query = $this->_db->get('institute_sessions');
            if($return_query==FALSE){
                return $query->num_rows();
            }else if($return_query==TRUE){
                return $this->_db->last_query();
            }           
        }
    }



    //Session Years
    public function store_session_year($data,$return_query=FALSE){
        $this->table='institute_sessions_years';
        return $this->store($data,FALSE,$return_query);
    }

    public function update_session_year($data,$param,$batch=FALSE,$return_query=FALSE){
        $this->table='institute_sessions_years';
        return $this->modify($data,$param,$batch,$return_query);
    }

    public function delete_session_year($param,$return_query=FALSE){
        $this->table='institute_sessions_years';
        return $this->remove($param,0,$return_query);
    }

    public function get_session_year($param,$single_row=TRUE,$return_query=FALSE){
        $this->table='institute_sessions_years';
        if($single_row==TRUE){
            return $this->get_one($param,'',$return_query);
        }else if($single_row==FALSE){
            return $this->get_many($param,null,null,$return_query);
        }       
    }


    //Session Courses
    public function store_session_course($data,$return_query=FALSE){
        $this->table='institute_sessions_courses';
        return $this->store($data,FALSE,$return_query);
    }

    public function update_session_course($data,$param,$batch=FALSE,$return_query=FALSE){
        $this->table='institute_sessions_courses';
        return $this->modify($data,$param,$batch,$return_query);
    }

    public function delete_session_course($param,$return_query=FALSE){
        $this->table='institute_sessions_courses';
        return $this->remove($param,0,$return_query);
    }


    public function get_session_course($param,$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions_courses';
        if($single_row==TRUE){
            return $this->get_one($param,'',$return_query);
        }else if($single_row==FALSE){
            return $this->get_many($param,null,null,$return_query);
        }       
    }


    public function get_session_course_student_wise($param,$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions_courses_students';
        if($single_row==TRUE){
            return $this->get_one($param,'',$return_query);
        }else if($single_row==FALSE){
            return $this->get_many($param,null,null,$return_query);
        }       
    }

    public function __get_session_course_student_wise($param,$fields="*",$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions_courses_students';
        if($single_row==TRUE){
            return $this->get_one($param,'',$return_query);
        }else if($single_row==FALSE){
            return $this->get_many_specific($fields,$param,null,null,$return_query);
        }       
    }

    public function store_session_course_student_wise($data,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions_courses_students';
        return $this->store($data,FALSE,$return_query);
    }

    public function update_session_course_student_wise($data,$param,$batch=FALSE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions_courses_students';
        return $this->modify($data,$param,$batch,$return_query);
    }

    public function delete_session_course_student_wise($param,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_sessions_courses_students';
        return $this->remove($param,0,$return_query);
    }

    public function _get_session_year($post=array(),$param=array(),$count=FALSE,$return_query=FALSE){
        $this->_db->select('institute_sessions_years.*,institute_sessions.*');
        $this->_db->join('institute_sessions','institute_sessions.session_id=institute_sessions_years.year_session_id','LEFT');

        $i = 0;

        if(isset($param['inst_id'])){
            $this->_db->where('year_session_inst_id',$param['inst_id']);
        }

        if(isset($post['year_session_id'])){
            $this->_db->where('year_session_id',$post['year_session_id']);
        }


        if(isset($param['column_search'])){
            foreach ($param['column_search'] as $item)
            {
                if(isset($post['search']['value']) && $post['search']['value'])
                {
                    
                    if($i===0)
                    {
                        $this->_db->group_start();
                        $this->_db->like($item, $post['search']['value']);
                    }
                    else
                    {
                        $this->_db->or_like($item, $post['search']['value']);
                    }

                    if(count($param['column_search']) - 1 == $i)
                        $this->_db->group_end();
                }
                
                $i++;
            }
        }

            
        if(isset($post['order']))
        {
            $column_order=$param['column_order'];
            $this->_db->order_by($column_order[$post['order']['0']['column']], $post['order']['0']['dir']);
        } 
        else if(isset($param['order']))
        {
            $order = $param['order'];
            $this->_db->order_by(key($order), $order[key($order)]);
        }

        if($count==FALSE){
            if(isset($post['length']) && $post['length'] != -1){
                $this->_db->limit($post['length'],$post['start']);   
            }
            
            $query = $this->_db->get('institute_sessions_years');

            if($return_query==FALSE){
                return $query->result();
            }else if($return_query==TRUE){
                return $this->_db->last_query();
            }       
            
        }else if($count==TRUE){
            $query = $this->_db->get('institute_sessions_years');
            if($return_query==FALSE){
                return $query->num_rows();
            }else if($return_query==TRUE){
                return $this->_db->last_query();
            }           
        }
    }


    public function get_session_courses($param,$single_row=TRUE,$order_by='session_inst_id',$order='ASC',$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->_db->select('institute_courses.course_id,institute_courses.course_name,institute_sessions_courses.session_id,institute_sessions_courses.session_inst_id,institute_sessions_courses.session_course_fees,institute_sessions_courses.session_course_booking_fee');
        $this->_db->join('institute_courses','institute_courses.course_id=institute_sessions_courses.session_course_id','LEFT');

        if($param!=null){
            $this->_db->where($param);
        }

        $this->_db->order_by($order_by,$order);

        $query=$this->_db->get('institute_sessions_courses');


        if($return_query==FALSE){
            if($single_row==TRUE){
                return $query->first_row();
            }else if($single_row==FALSE){
                return $query->result();
            }
            
        }else if($return_query==TRUE){
            return $this->_db->last_query();
        }
    }

    public function get_session_courses_student_wise($param,$single_row=TRUE,$order_by='session_inst_id',$order='ASC',$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->_db->select('institute_courses.course_id,institute_courses.course_name,institute_sessions_courses_students.session_id,institute_sessions_courses_students.session_inst_id,institute_sessions_courses_students.session_course_fees,institute_sessions_courses_students.session_course_booking_fee,institute_sessions.session_start_year,institute_sessions.session_end_year,institute_sessions_courses_students.is_lateral');
        $this->_db->join('institute_courses','institute_courses.course_id=institute_sessions_courses_students.session_course_id','LEFT');
        $this->_db->join('institute_sessions','institute_sessions.session_id=institute_sessions_courses_students.session_id','LEFT');

        if($param!=null){
            $this->_db->where($param);
        }

        $this->_db->order_by($order_by,$order);

        $query=$this->_db->get('institute_sessions_courses_students');

        if($return_query==FALSE){
            if($single_row==TRUE){
                return $query->first_row();
            }else if($single_row==FALSE){
                return $query->result();
            }            
        }else if($return_query==TRUE){
            return $this->_db->last_query();
        }
    }


    public function _get_session_courses($post=array(),$param=array(),$count=FALSE,$return_query=FALSE){
        $this->_db->select('institute_sessions_courses.*,institute_sessions.session_start_year,institute_sessions.session_end_year,institute_courses.course_id,institute_courses.course_name,institute_courses.course_code');
        $this->_db->join('institute_sessions','institute_sessions.session_id=institute_sessions_courses.session_id','LEFT');
        $this->_db->join('institute_courses','institute_courses.course_id=institute_sessions_courses.session_course_id','LEFT');

        $i = 0;

        if(isset($param['inst_id'])){
            $this->_db->where('institute_sessions_courses.session_inst_id',$param['inst_id']);
        }


        if(isset($param['session_id'])){
            $this->_db->where('institute_sessions_courses.session_id',$param['session_id']);
        }


        if(isset($param['column_search'])){
            foreach ($param['column_search'] as $item)
            {
                if(isset($post['search']['value']) && $post['search']['value'])
                {
                    
                    if($i===0)
                    {
                        $this->_db->group_start();
                        $this->_db->like($item, $post['search']['value']);
                    }
                    else
                    {
                        $this->_db->or_like($item, $post['search']['value']);
                    }

                    if(count($param['column_search']) - 1 == $i)
                        $this->_db->group_end();
                }
                
                $i++;
            }
        }

            
        if(isset($post['order']))
        {
            $column_order=$param['column_order'];
            $this->_db->order_by($column_order[$post['order']['0']['column']], $post['order']['0']['dir']);
        } 
        else if(isset($param['order']))
        {
            $order = $param['order'];
            $this->_db->order_by(key($order), $order[key($order)]);
        }

        if($count==FALSE){
            if(isset($post['length']) && $post['length'] != -1){
                $this->_db->limit($post['length'],$post['start']);   
            }
            
            $query = $this->_db->get('institute_sessions_courses');

            if($return_query==FALSE){
                return $query->result();
            }else if($return_query==TRUE){
                return $this->_db->last_query();
            }       
            
        }else if($count==TRUE){
            $query = $this->_db->get('institute_sessions_courses');
            if($return_query==FALSE){
                return $query->num_rows();
            }else if($return_query==TRUE){
                return $this->_db->last_query();
            }           
        }
    }
}