feat: add invoice revision handling for repricing

Author: roncodes

addon/components/order-invoice.js

@@ -92,10 +92,12 @@ export default class OrderInvoiceComponent extends Component {
             const results = yield this.store.query('ledger-invoice', {
                 order_uuid: order.id,
                 with: 'items',
-                limit: 1,
+                sort: '-created_at',
+                limit: 10,
             });
 
-            this.invoice = results.firstObject ?? null;
+            const invoices = results.toArray();
+            this.invoice = invoices.find((invoice) => !['void', 'cancelled'].includes(invoice.status)) ?? invoices[0] ?? null;
         } catch {
             this.invoice = null;
         }

server/src/Observers/PurchaseRateObserver.php

@@ -3,6 +3,7 @@
 namespace Fleetbase\Ledger\Observers;
 
 use Fleetbase\Ledger\Services\InvoiceService;
+use Fleetbase\Ledger\Models\Invoice;
 use Illuminate\Support\Facades\Log;
 
 /**
@@ -56,10 +57,7 @@ public function created($purchaseRate): void
                 return;
             }
 
-            // Skip if an invoice already exists for this order (idempotency).
-            if ($this->invoiceAlreadyExists($order->uuid)) {
-                return;
-            }
+            $this->supersedeDraftInvoices($order->uuid);
 
             // Resolve currency: prefer the service quote's currency, fall back to
             // the company's country-derived currency, then USD.
@@ -124,10 +122,14 @@ private function resolveOrder($purchaseRate): ?object
     }
 
     /**
-     * Check whether a Ledger invoice already exists for the given order UUID.
+     * Void prior draft invoices so the newly created invoice becomes the active revision.
      */
-    private function invoiceAlreadyExists(string $orderUuid): bool
+    private function supersedeDraftInvoices(string $orderUuid): void
     {
-        return \Fleetbase\Ledger\Models\Invoice::where('order_uuid', $orderUuid)->exists();
+        Invoice::where('order_uuid', $orderUuid)
+            ->where('status', 'draft')
+            ->update([
+                'status' => 'void',
+            ]);
     }
 }