Add duplicate request checks on bulk invoice actions

app/Http/Controllers/InvoiceController.php

@@ -475,7 +475,10 @@ class InvoiceController extends BaseController
      */
     public function destroy(DestroyInvoiceRequest $request, Invoice $invoice)
     {
-        $this->invoice_repo->delete($invoice);
+
+        if (!$invoice->is_deleted) {
+            $this->invoice_repo->delete($invoice);
+        }
 
         return $this->itemResponse($invoice->fresh());
     }

app/Http/Requests/Invoice/DestroyInvoiceRequest.php

@@ -24,4 +24,23 @@ class DestroyInvoiceRequest extends Request
     {
         return auth()->user()->can('edit', $this->invoice);
     }
+
+
+    public function rules()
+    {
+        return [];
+    }
+
+    public function prepareForValidation()
+    {
+
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
+        if(\Illuminate\Support\Facades\Cache::has($this->ip()."|".$this->invoice->id."|".$user->company()->company_key))
+            throw new \App\Exceptions\DuplicatePaymentException('Duplicate request.', 429);
+
+        \Illuminate\Support\Facades\Cache::put(($this->ip()."|".$this->invoice->id."|".$user->company()->company_key), true, 1);
+
+    }
 }