Added updated order quantity in resource pages

app/Filament/Resources/ProcessOrderResource/Pages/EditProcessOrder.php

@@ -3,13 +3,78 @@
 namespace App\Filament\Resources\ProcessOrderResource\Pages;
 
 use App\Filament\Resources\ProcessOrderResource;
+use App\Models\ProcessOrder;
 use Filament\Actions;
+use Filament\Facades\Filament;
+use Filament\Notifications\Notification;
 use Filament\Resources\Pages\EditRecord;
 
 class EditProcessOrder extends EditRecord
 {
     protected static string $resource = ProcessOrderResource::class;
 
+    protected function beforeSave(): void
+    {
+        $plantId = $this->data['plant_id'] ?? null;
+        $processOrder = $this->data['process_order'] ?? null;
+        $extraQty = (float) ($this->data['updated_order_quantity'] ?? 0);
+        $extraQtyRaw = $this->data['updated_order_quantity'] ?? '';
+
+        if (!preg_match('/^\d+(\.\d{1,3})?$/', $extraQtyRaw)) {
+            Notification::make()
+                ->title('Invalid Quantity')
+                ->body('Only positive numbers with up to 3 decimal places are allowed.')
+                ->danger()
+                ->send();
+
+            $this->halt(); // stop save
+        }
+
+        if ($extraQty < 0)
+        {
+            Notification::make()
+                ->title('Invalid Quantity')
+                ->body('Negative values are not allowed.')
+                ->danger()
+                ->send();
+
+            $this->halt();
+        }
+
+        if ($extraQty > 0) {
+
+            $order = ProcessOrder::where('plant_id', $plantId)
+                ->where('process_order', $processOrder)
+                ->first();
+
+            if ($order) {
+
+                $baseQty = (float) $order->order_quantity;
+                $maxAllowed = $baseQty * 0.10;
+
+                $maxFinalQty = $baseQty + $maxAllowed;
+
+                if ($extraQty > $maxFinalQty) {
+                    Notification::make()
+                        ->title('Limit Exceeded')
+                        ->body("You can only increase the order by 10% (Max allowed: {$maxFinalQty}).")
+                        ->danger()
+                        ->send();
+
+                    $this->halt(); // stops save
+                }
+
+                ProcessOrder::where('plant_id', $plantId)
+                    ->where('process_order', $processOrder)
+                    ->update([
+                        'updated_order_quantity' => $extraQty,
+                        'updated_by' => Filament::auth()->user()?->name,
+                    ]);
+            }
+        }
+    }
+
+
     protected function getHeaderActions(): array
     {
         return [