TIF_E41200821/spk_saw_balita/application/models/Hasil_m.php

93 lines
3.4 KiB
PHP

<?php
class Hasil_m extends CI_Model
{
function __construct()
{
parent::__construct();
}
// Fungsi untuk menampilkan data bobot_preferensi dari tabel
public function get_all_data()
{
$this->db->select('ps.id_perhitungan, ps.id_balita, ps.periode, ps.hasil, dps.id_alternatif, dps.id_kriteria, dps.id_bobot');
$this->db->from('perhitungan_saw ps');
$this->db->join('detail_perhitungan_saw dps', 'ps.id_perhitungan = dps.id_perhitungan');
$this->db->join('balita bp', 'ps.id_balita = bp.id_balita');
$query = $this->db->get();
return $query->result();
}
public function get_all()
{
$this->db->select('*');
$this->db->from('perhitungan_saw ps');
$this->db->join('balita bp', 'ps.id_balita = bp.id_balita');
$query = $this->db->get();
return $query->result();
}
public function get_by_id($id)
{
$this->db->select('ps.id_perhitungan, ps.id_balita, ps.periode, ps.hasil, dps.id_alternatif, dps.id_kriteria, dps.id_bobot');
$this->db->from('perhitungan_saw ps');
$this->db->join('detail_perhitungan_saw dps', 'ps.id_perhitungan = dps.id_perhitungan');
$this->db->where('ps.id_perhitungan', $id);
$query = $this->db->get();
return $query->row();
}
public function cetak($id)
{
$this->db->select('*');
$this->db->from('perhitungan_saw ps');;
$this->db->join('balita bp', 'ps.id_balita = bp.id_balita');
$query = $this->db->get();
return $query->row();
}
public function update($id, $data) {
$this->db->where('id_perhitungan', $id);
return $this->db->update('perhitungan_saw', $data);
}
// Fungsi untuk menambahkan data bobot_preferensi ke dalam tabel
public function insertperhitungan($data) {
$this->db->insert('perhitungan_saw', $data);
return $this->db->insert_id(); // Mengembalikan ID dari data yang baru ditambahkan
}
public function insertdetailperhitungan($data) {
$this->db->insert('detail_perhitungan_saw', $data);
return $this->db->insert_id(); // Mengembalikan ID dari data yang baru ditambahkan
}
public function get_nilai($id_alternatif, $id_kriteria,$id_perhitungan) {
// Lakukan pengambilan nilai berdasarkan id alternatif dan id kriteria
$this->db->select('bp.nilai');
$this->db->select('ps.id_perhitungan, ps.id_balita, ps.periode, ps.hasil, dps.id_alternatif, dps.id_kriteria, dps.id_bobot, dk.nama_kriteria');
$this->db->from('perhitungan_saw ps');
$this->db->join('detail_perhitungan_saw dps', 'ps.id_perhitungan = dps.id_perhitungan');
$this->db->join('kriteria dk', 'dps.id_kriteria = dk.id_kriteria');
$this->db->join('alternatif al', 'dps.id_alternatif = al.id_alternatif');
$this->db->join('bobot_preferensi bp', 'dps.id_bobot = bp.id_bobot');
$this->db->where('dps.id_alternatif', $id_alternatif);
$this->db->where('dps.id_kriteria', $id_kriteria);
$this->db->where('ps.id_perhitungan', $id_perhitungan);
$query = $this->db->get();
if($query->num_rows() > 0) {
return $query->row()->nilai;
} else {
return null;
}
}
public function get_max_min($id_kriteria,$id_perhitungan)
{
$query = $this->db->query("SELECT max(c.nilai) as max, min(c.nilai) as min, c.nilai as nilai FROM `detail_perhitungan_saw` a
JOIN kriteria b ON a.id_kriteria=b.id_kriteria
JOIN bobot_preferensi c ON a.id_bobot=c.id_bobot
WHERE a.id_kriteria='$id_kriteria' AND a.id_perhitungan = $id_perhitungan");
return $query->row_array();
}
}
?>