Version 2.0

app/Filament/Resources/Contracts/Pages/CreateContract.php

@@ -3,9 +3,38 @@
 namespace App\Filament\Resources\Contracts\Pages;
 
 use App\Filament\Resources\Contracts\ContractResource;
+use App\Models\Contract;
+use Filament\Notifications\Notification;
 use Filament\Resources\Pages\CreateRecord;
 
 class CreateContract extends CreateRecord
 {
     protected static string $resource = ContractResource::class;
+
+    protected function mutateFormDataBeforeCreate(array $data): array
+    {
+        if (($data['status'] ?? '') === 'active') {
+            $existing = Contract::where('product_id', $data['product_id'])
+                ->where('category', $data['category'])
+                ->where('status', 'active')
+                ->first();
+
+            if ($existing) {
+                Notification::make()
+                    ->title(__('feedback.contract_duplicate_title', [
+                        'category' => \App\Enums\ContractCategory::from($data['category'])->label(),
+                    ]))
+                    ->body(__('feedback.contract_duplicate_body', [
+                        'product' => $existing->product?->name ?? '?',
+                        'customer' => $existing->customer?->name ?? '?',
+                    ]))
+                    ->warning()
+                    ->send();
+
+                $this->halt();
+            }
+        }
+
+        return $data;
+    }
 }