add filter date and dealer on mutations and opnames

app/Http/Controllers/WarehouseManagement/OpnamesController.php

@@ -22,10 +22,38 @@ class OpnamesController extends Controller
 {
     public function index(Request $request){
         $menu = Menu::where('link','opnames.index')->first();
+        $dealers = Dealer::all();
         if($request->ajax()){
-            $data = Opname::with('user','dealer')
-                         ->orderBy('created_at', 'desc')
-                         ->get();
+            $data = Opname::query()
+                         ->with('user','dealer')
+                         ->orderBy('created_at', 'desc');
+
+            // Filter berdasarkan dealer yang dipilih
+            if ($request->filled('dealer_filter')) {
+                $data->where('dealer_id', $request->dealer_filter);
+            }
+
+            // Filter berdasarkan tanggal
+            if ($request->filled('date_from')) {
+                try {
+                    $dateFrom = \Carbon\Carbon::parse($request->date_from)->format('Y-m-d');
+                    $data->whereDate('opname_date', '>=', $dateFrom);
+                } catch (\Exception $e) {
+                    // Fallback to original format
+                    $data->whereDate('opname_date', '>=', $request->date_from);
+                }
+            }
+            
+            if ($request->filled('date_to')) {
+                try {
+                    $dateTo = \Carbon\Carbon::parse($request->date_to)->format('Y-m-d');
+                    $data->whereDate('opname_date', '<=', $dateTo);
+                } catch (\Exception $e) {
+                    // Fallback to original format
+                    $data->whereDate('opname_date', '<=', $request->date_to);
+                }
+            }
+
             return DataTables::of($data)
             ->addColumn('user_name', function ($row){
                 return $row->user ? $row->user->name : '-';
@@ -59,7 +87,7 @@ class OpnamesController extends Controller
             ->make(true);
         }
 
-        return view('warehouse_management.opnames.index');
+        return view('warehouse_management.opnames.index', compact('dealers'));
     }
 
     public function create(){