message: ooops - periodic billing
diff: @@ -6,6 +6,7 @@ import BackendError from '../../exception/BackendError';
  import { BillingSettings } from '../../types/Setting';
  import BillingStorage from '../../storage/mongodb/BillingStorage';
  import Constants from '../../utils/Constants';
  +import { DataResult } from '../../types/DataResult';
  import Logging from '../../utils/Logging';
  import NotificationHandler from '../../notification/NotificationHandler';
  import { Request } from 'express';
  @@ -178,10 +179,12 @@ export default abstract class BillingIntegration {
  };
  await this.checkConnection();
  - let invoices = await BillingStorage.getInvoicesToPay(this.tenantID);
  + let invoices: DataResult<BillingInvoice>;
  if (this.settings.billing?.periodicBillingAllowed) {
  + // Fetch DRAFT and OPEN invoices
  invoices = await BillingStorage.getInvoicesToProcess(this.tenantID);
  } else {
  + // Fetch OPEN invoices only
  invoices = await BillingStorage.getInvoicesToPay(this.tenantID);
  }
  // Let's now finalize all invoices and attempt to get it paid
  