From df989d15511538325df26346f0c84a893c470258 Mon Sep 17 00:00:00 2001
From: daffarahman11 <fauzirahman1105@gmail.com>
Date: Sun, 18 May 2025 21:47:21 +0700
Subject: [PATCH] FIX BUAT SIDANG

---
 app/Http/Controllers/LandingController.php | 19 ++++++++++++
 app/Services/KMeansService.php             | 34 +++++++++++++++-------
 routes/web.php                             |  1 +
 3 files changed, 43 insertions(+), 11 deletions(-)

diff --git a/app/Http/Controllers/LandingController.php b/app/Http/Controllers/LandingController.php
index 9cab29f..448061b 100644
--- a/app/Http/Controllers/LandingController.php
+++ b/app/Http/Controllers/LandingController.php
@@ -6,6 +6,7 @@
 use App\Models\Klaster;
 use App\Models\Curanmor;
 use Illuminate\Http\Request;
+use App\Services\KMeansService;
 
 class LandingController extends Controller
 {
@@ -18,5 +19,23 @@ public function index()
     $tanggalCuranmor = \Carbon\Carbon::parse($updateCuranmor->updated_at)->translatedFormat('d F Y');
     return view('landing', compact('klasters', 'tanggalCuras', 'tanggalCuranmor'));
 }
+    public function runKmeans()
+{
+    
+        $serviceKMeans = new KMeansService();
+        $serviceKMeans->SSEElbowCuranmor();
+        $serviceKMeans->SSEElbowCuras();
+
+        $serviceKMeansCuras = new KMeansService();
+        $hasilKMeansCuras = $serviceKMeansCuras->hitungKMeansCuras();
+        file_put_contents(storage_path('app/public/hasil_kmeans_curas.json'), json_encode($hasilKMeansCuras));
+
+        $serviceKmeansCuranmor = new KMeansService();
+        $hasilKMeansCuranmor = $serviceKmeansCuranmor->hitungKMeansCuranmor();
+        file_put_contents(storage_path('app/public/hasil_kmeans_curanmor.json'), json_encode($hasilKMeansCuranmor));
+
+    return redirect('/dashboard/curanmor');
+}
+
 
 }
diff --git a/app/Services/KMeansService.php b/app/Services/KMeansService.php
index 3a30f0f..13a8fa6 100644
--- a/app/Services/KMeansService.php
+++ b/app/Services/KMeansService.php
@@ -15,7 +15,6 @@ public function hitungKMeansCuras()
         $k = Klaster::count('id');
         $maxIterasi = 100;
 
-        // Ambil centroid awal yang unik
         $minValue = $data->min('jumlah_curas');
         $maxValue = $data->max('jumlah_curas');
 
@@ -88,9 +87,6 @@ public function hitungKMeansCuras()
 
 
         // Update ke database
-
-
-
         foreach ($data as $item) {
             Curas::where('id', $item->id)->update([
                 'klaster_id' => $centroidToKlaster[$item->temp_klaster],
@@ -232,9 +228,17 @@ public function SSEElbowCuranmor()
 
         // Loop untuk setiap nilai k dari 2 hingga maxK
         for ($k = 2; $k <= $maxK; $k++) {
-            $centroids = collect(range(1, $k))->map(function () use ($min, $max) {
-                return ['jumlah_curanmor' => mt_rand($min, $max)];
-            });
+            $usedValues = [];
+            $centroids = collect();
+
+            while ($centroids->count() < $k) {
+                $randVal = mt_rand($min, $max);
+                if (!in_array($randVal, $usedValues)) {
+                    $centroids->push(['jumlah_curanmor' => $randVal]);
+                    $usedValues[] = $randVal;
+                }
+            }
+
 
             $prevAssignment = [];
 
@@ -301,7 +305,7 @@ public function SSEElbowCuranmor()
     public function SSEElbowCuras()
     {
         $data = Curas::select('id', 'jumlah_curas')->get();
-        $maxK = 10;
+        $maxK = 4;
         $maxIterasi = 100;
         $elbowData = [];
 
@@ -310,9 +314,17 @@ public function SSEElbowCuras()
 
         // Loop untuk setiap nilai k dari 2 hingga maxK
         for ($k = 2; $k <= $maxK; $k++) {
-            $centroids = collect(range(1, $k))->map(function () use ($min, $max) {
-                return ['jumlah_curas' => mt_rand($min, $max)];
-            });
+            $usedValues = [];
+            $centroids = collect();
+
+            while ($centroids->count() < $k) {
+                $randVal = mt_rand($min, $max);
+                if (!in_array($randVal, $usedValues)) {
+                    $centroids->push(['jumlah_curas' => $randVal]);
+                    $usedValues[] = $randVal;
+                }
+            }
+
 
             $prevAssignment = [];
 
diff --git a/routes/web.php b/routes/web.php
index 3c69899..a8b1971 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -14,6 +14,7 @@
 use App\Http\Controllers\TampilHitunganController;
 
 // Route Landing
+Route::get('/kmeans', [LandingController::class, 'runKmeans']);
 Route::get('/', [LandingController::class, 'index']);
 Route::get('/blank', function () {
     return view('admin.dashboardBlank');