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


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

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

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

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

    public function get_course($param,$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_courses';
        if($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_courses($post=array(),$param=array(),$count=FALSE,$return_query=FALSE){
        $this->_db->select('institute_courses.*');

        $i = 0;

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

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


    public function get_total_courses($param,$return_query=FALSE){
        $this->table='institute_courses';
        return $this->get_total_count($param,NULL,NULL,$return_query);
    }



    //Subjects
    public function store_subject($data,$return_query=FALSE){
        $this->table='institute_subjects';
        return $this->store($data,FALSE,$return_query);
    }

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

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

    public function get_subject($param,$single_row=TRUE,$db_group=null,$return_query=FALSE){
        if($db_group!==null){
            $this->_db=$this->load->database($db_group, TRUE);
        }
        $this->table='institute_subjects';
        if($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_subjects($post=array(),$param=array(),$count=FALSE,$return_query=FALSE){
        $this->_db->select('institute_subjects.*,institute_courses.course_name');
        $this->_db->join('institute_courses','institute_courses.course_id=institute_subjects.subject_course_id','LEFT');

        $i = 0;

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

        if(isset($param['course_id'])){
            $this->_db->where('subject_course_id',$param['course_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_subjects');

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


}