feat: quiqqer/payment-sepa#12

src/QUI/ERP/Accounting/Invoice/Utils/Invoice.php

@@ -117,6 +117,9 @@ public static function getMissingAttributes(InvoiceTemporary $Invoice): array
             $missing[] = 'payment';
         }
 
+        // api
+        QUI::getEvents()->fireEvent('onQuiqqerInvoiceMissingAttributes', [$Invoice, &$missing]);
+
         $missing = \array_unique($missing);
 
         return $missing;
@@ -268,6 +271,17 @@ public static function getMissingAttributeMessage(string $missingAttribute): str
                 return $Locale->get($lg, 'exception.invoice.verification.country');
         }
 
+        $message = false;
+
+        QUI::getEvents()->fireEvent(
+            'onQuiqqerInvoiceGetMissingAttributeMessage',
+            [$missingAttribute, &$message]
+        );
+
+        if (!empty($message)) {
+            return $message;
+        }
+
         throw new Exception('Missing Field not found: '.$missingAttribute);
     }