<?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,sub.id as subId,sub.name as subName,dep.id as depId,dep.name as depName,deg.id as degId,deg.name as degName');
		$this->db->from('semester as s');
		$this->db->join('subject as sub','sub.id=s.subjectId','INNER');
		$this->db->join('department as dep','dep.id=s.departmentId','INNER');
		$this->db->join('degree as deg','deg.id=s.degreeId','INNER');
		$this->db->where(array('s.status'=>1,));
		$query = $this->db->get();
		//'sub.status'=>1,'dep.status'=>1,'deg.status'=>1
	//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();
	//echo $this->db->last_query();exit;
		return $query;
	} function listDegree()
	{
		$this->db->select('id,name');
		$this->db->from('degree');
		$this->db->where(array('status'=>1));
		$query = $this->db->get();
	//echo $this->db->last_query();exit;
		return $query;
	}
	function viewSemester($id)
	{
		$this->db->select('s.id,s.name,s.year,s.subjectId,dep.id as depId,dep.name as depName,deg.id as degId,deg.name as degName');
		$this->db->from('semester as s');
		$this->db->join('department as dep','dep.id=s.departmentId','INNER');
		$this->db->join('degree as deg','deg.id=s.degreeId','INNER');
		$this->db->where(array('s.status'=>1,'s.id'=>$id));
		$query = $this->db->get();
		//echo $this->db->last_query();exit;
		return $query;
	}
	 function getSemester($id)
	{
		$this->db->select('*');
		$this->db->from('semester');
		$this->db->where(array('status'=>1,'id'=>$id));	
		$query = $this->db->get();
		//echo $this->db->last_query();exit;
		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();
	//echo $this->db->last_query();exit;
		return $query;
	} 
}