refactor observers, fix policy, add feature tests

app/Observers/ActivityObserver.php

@@ -12,25 +12,36 @@ use Illuminate\Support\Facades\Auth;
 
 class ActivityObserver
 {
-    public function updated(Activity $activity): void
+    public function updating(Activity $activity): bool
     {
-        if ($activity->wasChanged('status')) {
+        if ($activity->isDirty('status')) {
             $old = $activity->getOriginal('status');
             $new = $activity->status;
 
-            // Validasi workflow: draft→pending, pending→approved/rejected
             $allowed = [
                 'draft'   => ['pending'],
                 'pending' => ['approved', 'rejected'],
             ];
 
-            if (isset($allowed[$old]) && ! in_array($new, $allowed[$old])) {
+            $validTransition = isset($allowed[$old]) && in_array($new, $allowed[$old]);
+
+            if (! $validTransition) {
                 Notification::make()->title('Transisi tidak diizinkan')
                     ->body("Status tidak bisa diubah dari {$old} ke {$new}.")
                     ->danger()->send();
-                $activity->status = $old;
-                return;
+
+                return false; // batalkan save
             }
+        }
+
+        return true;
+    }
+
+    public function updated(Activity $activity): void
+    {
+        if ($activity->wasChanged('status')) {
+            $old = $activity->getOriginal('status');
+            $new = $activity->status;
 
             ActivityLog::create([
                 'user_id'     => Auth::id(),

app/Observers/CashRecordObserver.php

@@ -23,12 +23,10 @@ class CashRecordObserver
 
         // Threshold: 500rb–2jt → buat approval ketua + notif
         if ($record->amount >= 500_000 && $record->amount <= 2_000_000) {
-            Approval::create([
-                'model_type'         => CashRecord::class,
-                'model_id'           => $record->id,
-                'required_approvals' => 1,
-                'status'             => 'pending',
-            ]);
+            Approval::firstOrCreate(
+                ['model_type' => CashRecord::class, 'model_id' => $record->id],
+                ['required_approvals' => 1, 'status' => 'pending']
+            );
 
             NotificationService::toRole('ketua',
                 'Transaksi Kas Butuh Persetujuan',
@@ -38,7 +36,7 @@ class CashRecordObserver
             );
         }
 
-        // Threshold: > 2jt → buat voting + notif semua anggota
+        // Threshold: > 2jt → buat voting (VoteObserver akan notif semua user)
         if ($record->amount > 2_000_000) {
             Vote::create([
                 'title'        => "Persetujuan Transaksi: {$record->description}",
@@ -50,13 +48,6 @@ class CashRecordObserver
                 'deadline'     => now()->addDays(3),
                 'created_by'   => Auth::id() ?? $record->created_by,
             ]);
-
-            NotificationService::toRole('ketua',
-                'Voting Transaksi Besar Dibuat',
-                "Transaksi \"{$record->description}\" senilai Rp " . number_format($record->amount, 0, ',', '.') . " memerlukan voting.",
-                'warning',
-                route('filament.admin.resources.votes.index')
-            );
         }
     }
 
@@ -76,13 +67,9 @@ class CashRecordObserver
     public function deleting(CashRecord $record): void
     {
         if ($record->verified_at !== null) {
-            \Filament\Notifications\Notification::make()
-                ->title('Tidak dapat dihapus')
-                ->body('Transaksi yang sudah diverifikasi tidak dapat dihapus.')
-                ->danger()
-                ->send();
-
-            abort(403);
+            throw new \Illuminate\Auth\Access\AuthorizationException(
+                'Transaksi yang sudah diverifikasi tidak dapat dihapus.'
+            );
         }
     }
 }

app/Observers/UserObserver.php

@@ -12,11 +12,6 @@ class UserObserver
 {
     public function updated(User $user): void
     {
-        // Pastikan role anggota selalu ada
-        if (! $user->hasRole('anggota')) {
-            $user->assignRole('anggota');
-        }
-
         // Log perubahan status anggota
         if ($user->wasChanged('status')) {
             MemberStatusLog::create([