feat(lampiran-dokumen): tambahkan fitur upload, download, dan delete lampiran dokumen

- Menambahkan controller LampiranDokumenController untuk mengelola lampiran dokumen.
- Menambahkan model LampiranDokumen untuk interaksi dengan tabel lampiran_dokumen.
- Membuat migrasi untuk tabel lampiran_dokumen dengan kolom yang diperlukan.
- Menambahkan rute untuk mengupload, mendownload, dan menghapus lampiran dokumen.
- Memperbarui tampilan detail-jaminan untuk menampilkan dan mengelola lampiran dokumen.

app/Models/LampiranDokumen.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace Modules\Lpj\Models;
+
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Storage;
+
+class LampiranDokumen extends Base
+{
+    protected $table = 'lampiran_dokumen';
+
+    protected $fillable = ['permohonan_id', 'nama_file', 'path_file', 'keterangan'];
+
+    public function permohonan()
+    {
+        return $this->belongsTo(Permohonan::class);
+    }
+
+    /**
+     * Upload lampiran dokumen for penilai or administrator
+     *
+     * @param int $permohonanId
+     * @param array $fileData
+     * @return LampiranDokumen|null
+     */
+    public static function uploadLampiran($fileData)
+    {
+        $user = Auth::user();
+
+        if ($user && ($user->hasRole('penilai') || $user->hasRole('administrator'))) {
+            $file = $fileData['file'];
+            $keterangan = $fileData['keterangan'] ?? null;
+
+            $fileName = $fileData['nama_file'] ?? time() . '_' . $file->getClientOriginalName();
+            $filePath = $file->storeAs('lampiran_dokumen', $fileName, 'public');
+
+            return self::create([
+                'permohonan_id' => $fileData['permohonan_id'] ?? null,
+                'nama_file' => $fileName,
+                'path_file' => $filePath,
+                'keterangan' => $keterangan,
+            ]);
+        }
+
+        return null;
+    }
+
+    /**
+     * Delete lampiran dokumen
+     *
+     * @return bool
+     */
+    public function deleteLampiran()
+    {
+        $user = Auth::user();
+
+        if ($user && ($user->hasRole('penilai') || $user->hasRole('administrator'))) {
+            // Delete the file from storage
+            Storage::disk('public')->delete($this->path_file);
+
+            // Delete the database record
+            return $this->delete();
+        }
+
+        return false;
+    }
+}

app/Models/Permohonan.php

@@ -161,7 +161,8 @@
             return $this->belongsTo(JenisFasilitasKredit::class);
         }
 
-        public function jenisPenilaian(){
+        public function jenisPenilaian()
+        {
             return $this->belongsTo(JenisPenilaian::class);
         }
 
@@ -170,7 +171,8 @@
             return $this->belongsTo(Penilaian::class, 'nomor_registrasi', 'nomor_registrasi');
         }
 
-        public function penilai(){
+        public function penilai()
+        {
             return $this->belongsTo(Penilai::class, 'id', 'permohonan_id');
         }
 
@@ -199,27 +201,38 @@
             return $this->hasMany(DokumenJaminan::class);
         }
 
-        public function pembatalan(){
+        public function pembatalan()
+        {
             return $this->hasMany(PermohonanPembatalan::class);
         }
 
-        public function approveBayar(){
+        public function approveBayar()
+        {
             return $this->belongsTo(User::class, 'approve_bayar_by', 'id');
         }
 
-        public function approveEo(){
+        public function approveEo()
+        {
             return $this->belongsTo(User::class, 'approval_eo', 'id');
         }
 
-        public function approveDd(){
+        public function approveDd()
+        {
             return $this->belongsTo(User::class, 'approval_dd', 'id');
         }
 
-        public function approveSo(){
+        public function approveSo()
+        {
             return $this->belongsTo(User::class, 'approval_so', 'id');
         }
 
-        public function authorization(){
+        public function authorization()
+        {
             return $this->belongsTo(Authorization::class, 'id', 'permohonan_id');
         }
+
+        public function lampiranDokumen()
+        {
+            return $this->hasMany(LampiranDokumen::class);
+        }
     }