changes

app/Http/Controllers/Admin/ShipmentController.php

@@ -224,5 +224,81 @@ class ShipmentController extends Controller
 
         return view('admin.view_shipment', compact('shipment', 'dummyData'));
     }
+    // App\Models\Shipment.php
+
+public function orders()
+{
+    return $this->belongsToMany(\App\Models\Order::class, 'shipment_items', 'shipment_id', 'order_id');
+}
+
+public function removeOrder(Shipment $shipment, Order $order)
+{
+    // Remove row from pivot table shipment_items
+    ShipmentItem::where('shipment_id', $shipment->id)
+        ->where('order_id', $order->id)
+        ->delete();                                     // removes link shipment <-> order [web:41][web:45]
+
+    // Recalculate totals on this shipment (optional but recommended)
+    $orders = Order::whereIn(
+        'id',
+        ShipmentItem::where('shipment_id', $shipment->id)->pluck('order_id')
+    )->get();
+
+    $shipment->total_ctn     = $orders->sum('ctn');
+    $shipment->total_qty     = $orders->sum('qty');
+    $shipment->total_ttl_qty = $orders->sum('ttl_qty');
+    $shipment->total_cbm     = $orders->sum('cbm');
+    $shipment->total_ttl_cbm = $orders->sum('ttl_cbm');
+    $shipment->total_kg      = $orders->sum('kg');
+    $shipment->total_ttl_kg  = $orders->sum('ttl_kg');
+    $shipment->total_amount  = $orders->sum('ttl_amount');
+    $shipment->save();
+
+    // Redirect back to preview page where your blade is loaded
+    return redirect()
+        ->route('admin.shipments.dummy', $shipment->id)
+        ->with('success', 'Order removed from shipment successfully.');
+}
+
+public function addOrders(Request $request, Shipment $shipment)
+{
+    $request->validate([
+        'order_ids' => 'required|array|min:1',
+    ]);
+
+    // फक्त न वापरलेले orders घ्या
+    $orders = Order::whereIn('id', $request->order_ids)->get();
+
+    foreach ($orders as $order) {
+        // pivot मध्ये insert
+        ShipmentItem::create([
+            'shipment_id'      => $shipment->id,
+            'order_id'         => $order->id,
+            'order_ctn'        => $order->ctn,
+            'order_qty'        => $order->qty,
+            'order_ttl_qty'    => $order->ttl_qty,
+            'order_ttl_amount' => $order->ttl_amount,
+            'order_ttl_kg'     => $order->ttl_kg,
+        ]);
+    }
+
+    // totals 
+    $orderIds = ShipmentItem::where('shipment_id', $shipment->id)->pluck('order_id');
+    $allOrders = Order::whereIn('id', $orderIds)->get();
+
+    $shipment->total_ctn     = $allOrders->sum('ctn');
+    $shipment->total_qty     = $allOrders->sum('qty');
+    $shipment->total_ttl_qty = $allOrders->sum('ttl_qty');
+    $shipment->total_cbm     = $allOrders->sum('cbm');
+    $shipment->total_ttl_cbm = $allOrders->sum('ttl_cbm');
+    $shipment->total_kg      = $allOrders->sum('kg');
+    $shipment->total_ttl_kg  = $allOrders->sum('ttl_kg');
+    $shipment->total_amount  = $allOrders->sum('ttl_amount');
+    $shipment->save();
+
+    return redirect()
+        ->route('admin.shipments.dummy', $shipment->id)
+        ->with('success', 'Orders added to shipment successfully.');
+}
 
 }