perhitungan

app/Http/Controllers/DataAlternatifController.php

@@ -15,7 +15,7 @@ class DataAlternatifController extends Controller
             $fetchAll = DataTables::of($data_alternatif)
             ->addIndexColumn()
             ->addColumn('nama_alternatif', function ($data) {
-                return $data->alternatif['nama_guru'];
+                return $data->guru['nama_guru'];
             })
             ->addColumn('action', function ($data) {
                 return'

app/Http/Controllers/PenilaianAlternatifController.php

@@ -11,12 +11,12 @@ use App\Models\SubKriteria;
 class PenilaianAlternatifController extends Controller
 {
     function index() {
-        $penilaian = Penilaian::with(['guru','kriteria','subKriteria'])->get();
+        $penilaian = Penilaian::with(['alternatif','kriteria','subKriteria'])->get();
         return view('pages.penilaian.index',compact('penilaian'));
     }
 
     function create() {
-        $alternatif     = Alternatif::with('alternatif')->get();
+        $alternatif     = Alternatif::with('guru')->get();
         $kriteria       = Kriteria::get();
         $subKriteria    = SubKriteria::get();
         return view('pages.penilaian.form', compact(['alternatif','kriteria','subKriteria']));

app/Http/Controllers/PerhitunganController.php

@@ -3,10 +3,56 @@
 namespace App\Http\Controllers;
 
 use Illuminate\Http\Request;
+use App\Models\Kriteria;
+use App\Models\Alternatif;
+use App\Models\Penilaian;
 
 class PerhitunganController extends Controller
 {
     function index() {
-        return view('pages.proses_penilaian.index');
+        $alternatif = Alternatif::with('penilaian.kriteria')->orderBy('kode_alternatif','ASC')->get();
+        $kriteria = Kriteria::get();
+        $penilaian = Penilaian::with('subKriteria')->get();
+        // return response()->json($alternatif);
+
+        // mencari min max
+        foreach ($kriteria as $key => $vkriteria) {
+            foreach ($penilaian as $key_1 => $vpenilaian) {
+                if ($vkriteria->id == $vpenilaian->id_kriteria) {
+                    if ($vkriteria->sifat == "benefit") {
+                        $minMax[$vkriteria->id][] = $vpenilaian->subKriteria['bobot'];
+                    }elseif ($vkriteria->sifat == "cost") {
+                        $minMax[$vkriteria->id][] = $vpenilaian->subKriteria['bobot'];
+                    }
+                }
+            }
+        }
+
+        // normalisasi
+        foreach ($penilaian as $key_1 => $vpenilaian) {
+            foreach ($kriteria as $key => $vkriteria) {
+                if ($vkriteria->id == $vpenilaian->id_kriteria) {
+                    if ($vkriteria->sifat == "benefit") { //nilai sub_kriteria : nilai maksimal
+                        $normalisasi[$vpenilaian->alternatif->guru['nama_guru']][$vkriteria->id] = $vpenilaian->subKriteria['bobot'] / max($minMax[$vkriteria->id]);
+                    }elseif ($vkriteria->sifat == "cost") { //nilai minimal : nilai sub_kriteria
+                        $normalisasi[$vpenilaian->alternatif->guru['nama_guru']][$vkriteria->id] = min($minMax[$vkriteria->id]) / $vpenilaian->subKriteria['bobot'];
+                    }
+                }
+            }
+        }
+
+        // perangkingan
+        foreach ($normalisasi as $key => $vnormalisasi) {
+            foreach ($kriteria as $key_1 => $vkriteria) { //hasil normalisasi x bobot_kriteria
+                $rank[$key][] = $vnormalisasi[$vkriteria->id] * $vkriteria->bobot_kriteria;
+            }
+        }
+        foreach ($normalisasi as $key => $value){ //total hasil perangkingan
+            $rank[$key][] = array_sum($rank[$key]);
+        }
+        asort($rank); //sortir $rank
+
+        // dd($minMax);
+        return view('pages.proses_penilaian.index', compact(['kriteria','alternatif','penilaian','minMax','normalisasi','rank']));
     }
 }

app/Models/Alternatif.php

@@ -15,7 +15,15 @@ class Alternatif extends Model
         'kode_alternatif', 'id_guru',
     ];
 
-    public function alternatif(){
+    function penilaian() {
+        return $this->hasMany(Penilaian::class, 'id_alternatif');
+    }
+    
+    public function guru(){
         return $this->hasOne(Guru::class, 'id', 'id_guru');
     }
+
+    function kriteria() {
+        return $this->hasMany(Penilaian::class, 'id_alternatif', 'id');
+    }
 }

app/Models/Penilaian.php

@@ -15,13 +15,13 @@ class Penilaian extends Model
         'periode', 'id_alternatif', 'id_kriteria', 'id_sub',
     ];
     
-    public function guru(){
+    public function alternatif(){
-        return $this->hasOne(Alternatif::class, 'id', 'id_alternatif');
+        return $this->belongsTo(Alternatif::class, 'id_alternatif');
     }
     public function kriteria(){
-        return $this->hasOne(Kriteria::class, 'id', 'id_kriteria');
+        return $this->belongsTo(Kriteria::class, 'id_kriteria');
     }
     public function subKriteria(){
-        return $this->hasOne(SubKriteria::class, 'id', 'id_sub');
+        return $this->belongsTo(SubKriteria::class, 'id_sub');
     }
 }

resources/views/component/sidebar.blade.php

@@ -62,8 +62,8 @@
             <span>Proses Perhitungan</span>
         </a>
     </li>  
-    <li class="nav-item {{ request()->segment(1) == 'proses-saw' ? 'active' : ''}}">
+    <li class="nav-item {{ request()->segment(1) == 'laporan-hasil' ? 'active' : ''}}">
-        <a class="nav-link" href="{{ route('hapus_hasil') }}">
+        <a class="nav-link" href="{{ route('laporan_hasil') }}">
             <i class="fas fa-fw fa-arrow-right"></i>
             <span>Data Hasil Keputusan</span>
         </a>

resources/views/pages/penilaian/form.blade.php

@@ -20,7 +20,7 @@
                             <select name="id_alternatif" class="form-control">
                                 <option value="">Pilih</option>
                                 @foreach ($alternatif as $alt)
-                                <option value="{{ $alt->id }}">{{ $alt->alternatif['nama_guru'] }}</option>                                    
+                                <option value="{{ $alt->id }}">{{ $alt->guru['nama_guru'] }}</option>                                    
                                 @endforeach
                             </select>
                         </div>

resources/views/pages/penilaian/index.blade.php

@@ -27,7 +27,7 @@
                         @foreach ($penilaian as $item)
                         <tr>
                             <td class="text-center">{{ $loop->iteration }}</td>
-                            <td>{{ $item->guru->alternatif['nama_guru'] }}</td>
+                            <td>{{ $item->alternatif->guru['nama_guru'] }}</td>
                             <td>{{ $item->kriteria['nama_kriteria'] }}</td>
                             <td class="text-center">{{ $item->subKriteria['sub_kriteria'] }}</td>
                             <td class="text-center">

resources/views/pages/proses_penilaian/index.blade.php

@@ -10,41 +10,63 @@
         <div class="card-body pt-3">
             <h4 class="text-gray-900">1. Data Masing Masing Guru Terhadap Kriteria</h4>
             <div class="table-responsive">
-                <table class="table table-striped text-center" width="100%">
+                <table class="table table-striped table-sm" width="100%">
                     <thead>
                         <tr>
-                            <th>No</th>
+                            <th class="text-center" rowspan="2" style="vertical-align: middle">Kode (Ai)</th>
-                            <th>Alternatif</th>
+                            <th class="text-center" rowspan="2" style="vertical-align: middle">Keterangan</th>
-                            <th>Daya Tahan</th>
+                            <th class="text-center" colspan="{{ count($kriteria) }}">Kode Kriteria</th>
-                            <th>Umur</th>
+                        </tr>
-                            <th>Harga</th>
+                        <tr>
-                            <th>Layanan Purna Jual</th>
+                            @foreach ($kriteria as $item)
+                                <th class="text-center">{{ $item->kode_kriteria }}</th>
+                            @endforeach
                         </tr>
                     </thead>
-                    <tbody>
+                    {{-- <tbody>
+                        
+                        @foreach ($alternatif as $alt)
                         <tr>
-                            <td>1</td>
+                            <td class="text-center">{{ $alt->kode_alternatif }}</td>
-                            <td class="text-left">Guru 1</td>
+                            <td>{{ $alt->guru['nama_guru'] }}</td>
-                            <td>4</td>
+                            @foreach ($alt->penilaian as $nilai)
-                            <td>5</td>
+                            <td class="text-center">{{ $nilai->id_sub }}</td>
-                            <td>3</td>
+                            <?php
-                            <td>7</td>
+                                $minMaxKriteria[$nilai->kriteria->kode_kriteria]['min'] > $nilai->id_sub && $minMaxKriteria[$nilai->kriteria->kode_kriteria]['min'] = $nilai->id_sub;
+                                $minMaxKriteria[$nilai->kriteria->kode_kriteria]['max'] < $nilai->id_sub && $minMaxKriteria[$nilai->kriteria->kode_kriteria]['max'] = $nilai->id_sub
+                            ?>
+                            @endforeach
                         </tr>
+                        @endforeach
+                        
+                    </tbody> --}}
+                    <tbody>
+                        @forelse ($alternatif as $alt => $valt)
+                            <tr>
+                                <td class="text-center">{{ $valt->kode_alternatif }}</td>
+                                <td>{{ $valt->guru['nama_guru'] }}</td>
+                                @foreach ($valt->penilaian as $nilai)
+                                    <td class="text-center">{{ $nilai->subKriteria['bobot'] }}</td>
+                                @endforeach
+                            </tr>
+                        @empty
+                            <tr>
+                                <td class="text-center" colspan="{{ count($kriteria) +2 }}">Data Kosong</td>
+                            </tr>
+                        @endforelse
                     </tbody>
                     <tfoot>
-                        <tr>
+                        <tr class="text-center">
                             <th colspan="2">Nilai Maks</th>
-                            <th class="bg-secondary text-white">5</th>
+                            @foreach ($kriteria as $key => $vkriteria)
-                            <th class="bg-secondary text-white">5</th>
+                                <th class="bg-secondary text-white">{{ max($minMax[$vkriteria->id]) }}</th>
-                            <th class="bg-secondary text-white">4</th>
+                            @endforeach
-                            <th class="bg-secondary text-white">7</th>
                         </tr>
-                        <tr>
+                        <tr class="text-center">
                             <th colspan="2">Nilai Min</th>
-                            <th class="bg-secondary text-white">2</th>
+                            @foreach ($kriteria as $key => $vkriteria)
-                            <th class="bg-secondary text-white">3</th>
+                                <th class="bg-secondary text-white">{{ min($minMax[$vkriteria->id]) }}</th>
-                            <th class="bg-secondary text-white">3</th>
+                            @endforeach
-                            <th class="bg-secondary text-white">3</th>
                         </tr>
                     </tfoot>
                 </table>
@@ -52,163 +74,60 @@
             
             <h4 class="text-gray-900 mt-4">2. Menghitung Nilai Normalisasi</h4> 
             <div class="table-responsive">
-                <table class="table table-striped text-center" width="100%">
+                <table class="table table-striped" width="100%">
                     <thead>
                         <tr>
-                            <th>No</th>
+                            <th class="text-center" rowspan="2" style="vertical-align: middle;">Alternatif</th>
-                            <th>Alternatif</th>
+                            <th class="text-center" colspan="{{ count($kriteria) }}">Kode Kriteria</th>
-                            <th>Daya Tahan</th>
+                        </tr>
-                            <th>Umur</th>
+                        <tr>
-                            <th>Harga</th>
+                            @foreach ($kriteria as $item)
-                            <th>Layanan Purna Jual</th>
+                                <th class="text-center">{{ $item->kode_kriteria }}</th>
+                            @endforeach
                         </tr>
                     </thead>
                     <tbody>
+                        @foreach ($normalisasi as $key => $value)
                             <tr>
-                            <td>1</td>
+                                <td width="20%">{{ $key }}</td>
-                            <td class="text-left">Guru 1</td>
+                                @foreach ($value as $key_1 => $value_1)
-                            <td>4/5</td>
+                                    <td class="text-center">{{ number_format($value_1 ,2) }}</td>
-                            <td>5/5</td>
+                                @endforeach
-                            <td>3/4</td>
-                            <td>7/7</td>
                             </tr>
+                        @endforeach
                     </tbody>
                 </table>
             </div>
             
-            <h4 class="text-gray-900 mt-4">3. Hasil Normalisasi</h4> 
+            <h4 class="text-gray-900 mt-4">3. Perankingan</h4> 
             <div class="table-responsive">
                 <table class="table table-striped text-center" width="100%">
                     <thead>
                         <tr>
-                            <th>No</th>
+                            <th>Kode Kriteria</th>
-                            <th>Alternatif</th>
+                            @foreach ($kriteria as $item)
-                            <th>Daya Tahan</th>
+                                <th class="text-center">{{ $item->kode_kriteria }}</th>
-                            <th>Umur</th>
+                            @endforeach
-                            <th>Harga</th>
+                            <th rowspan="2" style="vertical-align: middle">Total</th>
-                            <th>Layanan Purna Jual</th>
+                            <th rowspan="2" style="vertical-align: middle">Rank</th>
+                        </tr>
+                        <tr>
+                            <th>Bobot</th>
+                            @foreach ($kriteria as $item)
+                                <th class="text-center">{{ $item->bobot_kriteria }}</th>
+                            @endforeach
                         </tr>
                     </thead>
                     <tbody>
+                        @foreach ($rank as $key => $value)
                             <tr>
-                            <td>1</td>
+                                <td width="20%">{{ $key }}</td>
-                            <td class="text-left">Guru 1</td>
+                                @foreach ($value as $key_1 => $value_1)
-                            <td>0.8</td>
+                                    <td class="text-center">{{ number_format($value_1 ,2) }}</td>
-                            <td>1</td>
+                                @endforeach
-                            <td>0.8</td>
+                                <td>{{ $loop->iteration }}</td>
-                            <td>1</td>
-                        </tr>
-                    </tbody>
-                </table>
-            </div>
-            
-            <h4 class="text-gray-900 mt-4">4. Menghitung Nilai Refrensi</h4> 
-            <div class="table-responsive">
-                <table class="table table-striped text-center" width="100%">
-                    <thead>
-                        <tr>
-                            <th>No</th>
-                            <th>Alternatif</th>
-                            <th>Daya Tahan</th>
-                            <th>Umur</th>
-                            <th>Harga</th>
-                            <th>Layanan Purna Jual</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        <tr>
-                            <td>1</td>
-                            <td class="text-left">Guru 1</td>
-                            <td>0.8 x 0.2</td>
-                            <td>1 x 0.3</td>
-                            <td>0.8 x 0.35</td>
-                            <td>1 x 0.15</td>
-                        </tr>
-                    </tbody>
-                    <tfoot>
-                        <tr>
-                            <th colspan="2">Bobot Kriteria</th>
-                            <th class="bg-secondary text-white">0.2</th>
-                            <th class="bg-secondary text-white">0.3</th>
-                            <th class="bg-secondary text-white">0.35</th>
-                            <th class="bg-secondary text-white">0.15</th>
-                        </tr>
-                    </tfoot>
-                </table>
-            </div>
-            
-            <h4 class="text-gray-900 mt-4">5. Hasil Prefrensi</h4> 
-            <div class="table-responsive">
-                <table class="table table-striped text-center" width="100%">
-                    <thead>
-                        <tr>
-                            <th>No</th>
-                            <th>Alternatif</th>
-                            <th>Daya Tahan</th>
-                            <th>Umur</th>
-                            <th>Harga</th>
-                            <th>Layanan Purna Jual</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        <tr>
-                            <td>1</td>
-                            <td class="text-left">Guru 1</td>
-                            <td>0.16</td>
-                            <td>0.3</td>
-                            <td>0.28</td>
-                            <td>0.15</td>
-                        </tr>
-                    </tbody>
-                </table>
-            </div>
-            
-            <h4 class="text-gray-900 mt-4">6. Menghitung Total Nilai Prefrensi</h4> 
-            <div class="table-responsive">
-                <table class="table table-striped text-center" width="100%">
-                    <thead>
-                        <tr>
-                            <th>No</th>
-                            <th>Nama Alternatif</th>
-                            <th>Daya Tahan</th>
-                            <th>Umur</th>
-                            <th>Harga</th>
-                            <th>Layanan Purna Jual</th>
-                            <th>Total Nilai Prefrensi</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        <tr>
-                            <td>1</td>
-                            <td class="text-left">Guru 1</td>
-                            <td>0.16</td>
-                            <td>0.3</td>
-                            <td>0.28</td>
-                            <td>0.15</td>
-                            <td class="bg-secondary text-white">0.89</td>
-                        </tr>
-                    </tbody>
-                </table>
-            </div>
-            
-            <h4 class="text-gray-900 mt-4">7. Perankingan</h4> 
-            <div class="table-responsive">
-                <table class="table table-striped text-center" width="100%">
-                    <thead>
-                        <tr>
-                            <th>No</th>
-                            <th>Nama Alternatif</th>
-                            <th>Nilai Prefrensi</th>
-                            <th>Ranking</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        <tr>
-                            <td>1</td>
-                            <td class="text-left">Guru 1</td>
-                            <td>0.89</td>
-                            <td class="bg-secondary text-white">1</td>
                             </tr>
+                        @endforeach
                     </tbody>
                 </table>
             </div>