diff --git a/app/Models/Permohonan.php b/app/Models/Permohonan.php
index 1dd7bdd..60c9303 100644
--- a/app/Models/Permohonan.php
+++ b/app/Models/Permohonan.php
@@ -3,6 +3,7 @@
 namespace Modules\Lpj\Models;
 
 use Modules\Lpj\Database\Factories\PermohonanFactory;
+use Modules\Lpj\Services\PermohonanHistoryService;
 use Modules\Usermanagement\Models\User;
 
 class Permohonan extends Base
@@ -38,8 +39,66 @@ class Permohonan extends Base
         'registrasi_at',
         'jenis_penilaian_id',
         'region_id',
+        'attachment'
     ];
 
+    protected static function boot()
+    {
+        parent::boot();
+
+        static::creating(function ($permohonan) {
+            static::handleFileUpload($permohonan);
+        });
+
+        static::updating(function ($permohonan) {
+            static::handleFileUpload($permohonan);
+        });
+
+        static::created(function ($permohonan) {
+            static::createHistory($permohonan, 'created');
+        });
+
+        static::updated(function ($permohonan) {
+            static::createHistory($permohonan, 'updated');
+        });
+    }
+
+    protected static function handleFileUpload($permohonan)
+    {
+        if (request()->hasFile('attachment')) {
+            $file = request()->file('attachment');
+            $fileName = time() . '_' . $file->getClientOriginalName();
+            $filePath = $file->storeAs('permohonan_attachments', $fileName, 'public');
+
+            // Delete old file if it exists
+            if ($permohonan->attachment) {
+                Storage::disk('public')->delete($permohonan->attachment);
+            }
+
+            $permohonan->attachment = $filePath;
+        }
+    }
+
+    protected static function createHistory($permohonan, $action)
+    {
+        $historyService = app(PermohonanHistoryService::class);
+
+        $status = $permohonan->status;
+        $keterangan = request()->input('keterangan'); // Get keterangan from request
+        $beforeRequest = $action === 'updated' ? $permohonan->getOriginal() : [];
+        $afterRequest = $permohonan->toArray();
+        $file = $permohonan->attachment ? Storage::disk('public')->path($permohonan->attachment) : null;
+
+        $historyService->createHistory(
+            $permohonan,
+            $status,
+            $keterangan,
+            $beforeRequest,
+            $afterRequest,
+            $file
+        );
+    }
+
     public function user()
     {
         return $this->belongsTo(User::class);