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

class Semester_model extends CI_Model {

    public function __construct() {
        parent::__construct();
    }
	 
	function list_semester()
	{
		$this->db->select('s.id,s.name,s.year');
		$this->db->from('semester as s');
		$this->db->where(array('s.status'=>1,));
		$query = $this->db->get();
		//echo $this->db->last_query();exit;
		return $query;
	}
	
	function listSubject()
	{
		$this->db->select('id,name');
		$this->db->from('subject');
		$this->db->where(array('status'=>1));
		$query = $this->db->get();
		//echo $this->db->last_query();exit;
		return $query;
	}
	
	function listDepartment()
	{
		$this->db->select('id,name');
		$this->db->from('department');
		$this->db->where(array('status'=>1));
		$query = $this->db->get();
		return $query;
	} 
	
	function listDegree()
	{
		$this->db->select('id,name');
		$this->db->from('degree');
		$this->db->where(array('status'=>1));
		$query = $this->db->get();
		return $query;
	}
	
	function viewSemester($id)
	{
		$this->db->select('s.id,s.name,s.year');
		$this->db->from('semester as s');
		$this->db->where(array('s.status'=>1,'s.id'=>$id));
		$query = $this->db->get();
		return $query;
	}
	
	function getSemester($id)
	{
		$this->db->select('*');
		$this->db->from('semester');
		$this->db->where(array('status'=>1,'id'=>$id));	
		$query = $this->db->get();
		return $query;
	}
	function getSemesterDetail($id)
	{
		$this->db->select('*');
		$this->db->from('semesterdetail');
		$this->db->where(array('status'=>1,'semesterId'=>$id));	
		$query = $this->db->get();
		return $query;
	}
	
	function get_subject($id)
	{
		$this->db->select('*');
		$this->db->from('subject');
		$this->db->where(array('status'=>1,'id'=>$id));
		$query = $this->db->get();
		return $query;
	} 
	function getDegree($semesterId)
	{
		$this->db->select('deg.id as degId,deg.name as degName,sub.id as subjectId');
		$this->db->from('semesterdetail as sd');
		$this->db->join('degree as deg','deg.id=sd.degreeId','INNER');
		$this->db->join('subject as sub ','sub.id=sd.subjectId','INNER');
		$this->db->where(array('sd.status'=>1,'sd.semesterId'=>$semesterId));
		$query = $this->db->get();
		//echo $this->db->last_query();exit;
		return $query;
	}
}