validate($request, [ 'nama' => 'required' ]); $data = [ 'nama' => $request->nama ]; $result = AlternatifModel::create($data); if ($result) { $request->session()->flash('message', '

Data berhasil disimpan!

'); return redirect('Alternatif'); } else { $request->session()->flash('message', '

Data gagal disimpan!

'); return redirect('Alternatif/tambah'); } } public function perbandingan() { $id_user_level = session('log.id_user_level'); if ($id_user_level != 1) { ?> validate($request, [ 'nama' => 'required' ]); $data = [ 'nama' => $request->nama ]; $alternatif = AlternatifModel::findOrFail($id_alternatif); $alternatif->update($data); $request->session()->flash('message', '

Data berhasil diupdate!

'); return redirect('Alternatif'); } public function destroy(Request $request, $id_alternatif) { $id_user_level = session('log.id_user_level'); if ($id_user_level != 1) { ?> delete(); $request->session()->flash('message', '

Data berhasil dihapus!

'); return redirect('Alternatif'); } public function ahp_alternatif(Request $request, $id_kriteria) { $data['page'] = "Alternatif"; $data['kriteria'] = KriteriaModel::findOrFail($id_kriteria); $data['alternatif'] = AlternatifModel::all(); if ($request->has('save')) { AlternatifModel::delete_alternatif_ahp($id_kriteria); $i = 0; foreach ($data['alternatif'] as $row1) { $ii = 0; foreach ($data['alternatif'] as $row2) { if ($i < $ii) { $nilai_input = request()->input('nilai_' . $row1->id_alternatif . '_' . $row2->id_alternatif); $nilai_1 = 0; $nilai_2 = 0; if ($nilai_input < 1) { $nilai_1 = abs($nilai_input); $nilai_2 = 1 / abs($nilai_input); } elseif ($nilai_input > 1) { $nilai_1 = 1 / abs($nilai_input); $nilai_2 = abs($nilai_input); } elseif ($nilai_input == 1) { $nilai_1 = 1; $nilai_2 = 1; } $params = array( 'id_kriteria' => $id_kriteria, 'id_alternatif_1' => $row1->id_alternatif, 'id_alternatif_2' => $row2->id_alternatif, 'nilai_1' => $nilai_1, 'nilai_2' => $nilai_2, ); AlternatifModel::add_alternatif_ahp($params); } $ii++; } $i++; } $request->session()->flash('message', '

Nilai perbandingan alternatif berhasil disimpan!

'); return redirect()->route('ahp_alternatif', ['id_kriteria' => $id_kriteria]); } if ($request->has('check')) { if (count($data['alternatif']) < 3) { $request->session()->flash('pesan_error', '

Jumlah alternatif kurang, minimal 3!

'); } else { $id_alternatif = array(); foreach ($data['alternatif'] as $row) $id_alternatif[] = $row->id_alternatif; } $matrik_alternatif = $this->ahp_get_matrik_alternatif($id_kriteria, $id_alternatif); $jumlah_kolom = $this->ahp_get_jumlah_kolom($matrik_alternatif); $matrik_normalisasi = $this->ahp_get_normalisasi($matrik_alternatif, $jumlah_kolom); $prioritas = $this->ahp_get_prioritas($matrik_normalisasi); $matrik_baris = $this->ahp_get_matrik_baris($prioritas, $matrik_alternatif); $jumlah_matrik_baris = $this->ahp_get_jumlah_matrik_baris($matrik_baris); $hasil_tabel_konsistensi = $this->ahp_get_tabel_konsistensi($jumlah_matrik_baris, $prioritas); if ($this->ahp_uji_konsistensi($hasil_tabel_konsistensi)) { AlternatifModel::delete_penilaian($id_kriteria); $request->session()->flash('message', '

Nilai perbandingan : KONSISTEN!

'); $i = 0; foreach ($data['alternatif'] as $row) { $params = array( 'id_kriteria' => $id_kriteria, 'id_alternatif' => $row->id_alternatif, 'nilai' => $prioritas[$i], ); AlternatifModel::add_penilaian($params); $i++; } $data['list_data'] = $this->tampil_data_1($id_kriteria, $matrik_alternatif, $jumlah_kolom); $data['list_data2'] = $this->tampil_data_2($id_kriteria, $matrik_normalisasi, $prioritas); $data['list_data3'] = $this->tampil_data_3($id_kriteria, $matrik_baris, $jumlah_matrik_baris); $list_data = $this->tampil_data_4($id_kriteria, $jumlah_matrik_baris, $prioritas, $hasil_tabel_konsistensi); $data['list_data4'] = $list_data[0]; $data['list_data5'] = $list_data[1]; } else { $request->session()->flash('message', '

Nilai perbandingan : TIDAK KONSISTEN

'); } } $result = array(); $i = 0; foreach ($data['alternatif'] as $row1) { $ii = 0; foreach ($data['alternatif'] as $row2) { if ($i < $ii) { $kriteria_ahp = AlternatifModel::get_alternatif_ahp($id_kriteria, $row1->id_alternatif, $row2->id_alternatif); if (empty($kriteria_ahp)) { $params = array( 'id_kriteria' => $id_kriteria, 'id_alternatif_1' => $row1->id_alternatif, 'id_alternatif_2' => $row2->id_alternatif, 'nilai_1' => 1, 'nilai_2' => 1, ); AlternatifModel::add_alternatif_ahp($params); $nilai_1 = 1; $nilai_2 = 1; } else { $nilai_1 = $kriteria_ahp->nilai_1; $nilai_2 = $kriteria_ahp->nilai_2; } $nilai = 0; if ($nilai_1 < 1) { $nilai = $nilai_2; } elseif ($nilai_1 > 1) { $nilai = -$nilai_1; } elseif ($nilai_1 == 1) { $nilai = 1; } $result[$row1->id_alternatif][$row2->id_alternatif] = $nilai; } $ii++; } $i++; } $data['alternatif_ahp'] = $result; $data['id_kriteria'] = $id_kriteria; return view('alternatif.ahp_alternatif', $data); } public function reset(Request $request, $id_kriteria) { AlternatifModel::delete_alternatif_ahp($id_kriteria); $params = array( 'nilai' => null, ); AlternatifModel::update_prioritas($id_kriteria, $params); $request->session()->flash('message', '

Data berhasil direset!

'); return redirect()->route('ahp_alternatif', ['id_kriteria' => $id_kriteria]); } public function ahp_get_matrik_alternatif($id_kriteria, $alternatif) { $matrik = array(); $i = 0; foreach ($alternatif as $row1) { $ii = 0; foreach ($alternatif as $row2) { if ($i == $ii) { $matrik[$i][$ii] = 1; } else { if ($i < $ii) { $alternatif_ahp = AlternatifModel::get_alternatif_ahp($id_kriteria, $row1, $row2); if (empty($alternatif_ahp)) { $matrik[$i][$ii] = 1; $matrik[$ii][$i] = 1; } else { $matrik[$i][$ii] = $alternatif_ahp->nilai_1; $matrik[$ii][$i] = $alternatif_ahp->nilai_2; } } } $ii++; } $i++; } return $matrik; } public function ahp_get_jumlah_kolom($matrik) { $jumlah_kolom = array(); for ($i = 0; $i < count($matrik); $i++) { $jumlah_kolom[$i] = 0; for ($ii = 0; $ii < count($matrik); $ii++) { $jumlah_kolom[$i] = $jumlah_kolom[$i] + $matrik[$ii][$i]; } } return $jumlah_kolom; } public function ahp_get_normalisasi($matrik, $jumlah_kolom) { $matrik_normalisasi = array(); for ($i = 0; $i < count($matrik); $i++) { for ($ii = 0; $ii < count($matrik); $ii++) { $matrik_normalisasi[$i][$ii] = $matrik[$i][$ii] / $jumlah_kolom[$ii]; } } return $matrik_normalisasi; } public function ahp_get_prioritas($matrik_normalisasi) { $prioritas = array(); for ($i = 0; $i < count($matrik_normalisasi); $i++) { $prioritas[$i] = 0; for ($ii = 0; $ii < count($matrik_normalisasi); $ii++) { $prioritas[$i] = $prioritas[$i] + $matrik_normalisasi[$i][$ii]; } $prioritas[$i] = $prioritas[$i] / count($matrik_normalisasi); } return $prioritas; } public function ahp_get_matrik_baris($prioritas, $matrik_alternatif) { $matrik_baris = array(); for ($i = 0; $i < count($matrik_alternatif); $i++) { for ($ii = 0; $ii < count($matrik_alternatif); $ii++) { $matrik_baris[$i][$ii] = $prioritas[$ii] * $matrik_alternatif[$i][$ii]; } } return $matrik_baris; } public function ahp_get_jumlah_matrik_baris($matrik_baris) { $jumlah_baris = array(); for ($i = 0; $i < count($matrik_baris); $i++) { $jumlah_baris[$i] = 0; for ($ii = 0; $ii < count($matrik_baris); $ii++) { $jumlah_baris[$i] = $jumlah_baris[$i] + $matrik_baris[$i][$ii]; } } return $jumlah_baris; } public function ahp_get_tabel_konsistensi($jumlah_matrik_baris, $prioritas) { $jumlah = array(); for ($i = 0; $i < count($jumlah_matrik_baris); $i++) { $jumlah[$i] = $jumlah_matrik_baris[$i] + $prioritas[$i]; } return $jumlah; } public function ahp_uji_konsistensi($tabel_konsistensi) { $jumlah = array_sum($tabel_konsistensi); $n = count($tabel_konsistensi); $lambda_maks = $jumlah / $n; $ci = ($lambda_maks - $n) / ($n - 1); $ir = array(0, 0, 0.58, 0.9, 1.12, 1.24, 1.32, 1.41, 1.45, 1.49, 1.51, 1.48, 1.56, 1.57, 1.59); if ($n <= 15) { $ir = $ir[$n - 1]; } else { $ir = $ir[14]; } $cr = $ci / $ir; if ($cr <= 0.1) { return true; } else { return false; } } public function tampil_data_1($id_kriteria, $matrik_alternatif, $jumlah_kolom) { $alternatif = AlternatifModel::all(); $list_data = ''; $list_data .= ''; foreach ($alternatif as $row) { $list_data .= '' . $row->nama . ''; } $list_data .= ''; $i = 0; foreach ($alternatif as $row) { $list_data .= ''; $list_data .= '' . $row->nama . ''; $ii = 0; foreach ($alternatif as $row2) { $list_data .= '' . $matrik_alternatif[$i][$ii] . ''; $ii++; } $list_data .= ''; $i++; } $list_data .= 'Jumlah'; for ($i = 0; $i < count($jumlah_kolom); $i++) { $list_data .= '' . $jumlah_kolom[$i] . ''; } $list_data .= ''; return $list_data; } public function tampil_data_2($id_kriteria, $matrik_normalisasi, $prioritas) { $alternatif = AlternatifModel::all(); $list_data2 = ''; $list_data2 .= ''; foreach ($alternatif as $row) { $list_data2 .= '' . $row->nama . ''; } $list_data2 .= 'Jumlah'; $list_data2 .= 'Prioritas'; $list_data2 .= ''; $i = 0; foreach ($alternatif as $row) { $list_data2 .= ''; $list_data2 .= '' . $row->nama . ''; $jumlah = 0; $ii = 0; foreach ($alternatif as $row2) { $list_data2 .= '' . $matrik_normalisasi[$i][$ii] . ''; $jumlah += $matrik_normalisasi[$i][$ii]; $ii++; } $list_data2 .= '' . $jumlah . ''; $list_data2 .= '' . $prioritas[$i] . ''; $list_data2 .= ''; $i++; } return $list_data2; } public function tampil_data_3($id_kriteria, $matrik_baris, $jumlah_matrik_baris) { $alternatif = AlternatifModel::all(); $list_data3 = ''; $list_data3 .= ''; foreach ($alternatif as $row) { $list_data3 .= '' . $row->nama . ''; } $list_data3 .= 'CM'; $list_data3 .= ''; $i = 0; foreach ($alternatif as $row) { $list_data3 .= ''; $list_data3 .= '' . $row->nama . ''; $ii = 0; foreach ($alternatif as $row2) { $list_data3 .= '' . $matrik_baris[$i][$ii] . ''; $ii++; } $list_data3 .= '' . $jumlah_matrik_baris[$i] . ''; $list_data3 .= ''; $i++; } return $list_data3; } public function tampil_data_4($id_kriteria, $jumlah_matrik_baris, $prioritas, $hasil_tabel_konsistensi) { $alternatif = AlternatifModel::all(); $list_data4 = ''; $list_data4 .= ''; $list_data4 .= 'CM'; $list_data4 .= 'Prioritas'; $list_data4 .= ''; $i = 0; foreach ($alternatif as $row) { $list_data4 .= ''; $list_data4 .= '' . $row->nama . ''; $list_data4 .= '' . $jumlah_matrik_baris[$i] . ''; $list_data4 .= '' . $prioritas[$i] . ''; $list_data4 .= ''; $i++; } $n = count($jumlah_matrik_baris); $lambda_maks = array_sum($jumlah_matrik_baris); $ci = ($lambda_maks - $n) / ($n - 1); $ir = array(0, 0, 0.58, 0.9, 1.12, 1.24, 1.32, 1.41, 1.45, 1.49, 1.51, 1.48, 1.56, 1.57, 1.59); if ($n <= 15) { $ir = $ir[$n - 1]; } else { $ir = $ir[14]; } $cr = $ci / $ir; $list_data5 = ''; $list_data5 .= ''; if ($cr <= 0.1) { $list_data5 .= ' '; } else { $list_data5 .= ' '; } $list_data5 .= '

n	= ' . $n . '
λ maks	= ' . $lambda_maks . '
CI	= ' . $ci . '
CR	= ' . $cr . '
CR <= 0.1	Konsisten	Tidak Konsisten

'; return array($list_data4, $list_data5); } }