Handover SIGN notification, resending until signed no exit before sign

apps/edr-freight-api/src/modules/bookings/customer-truck.service.ts

@@ -57,6 +57,15 @@ export class CustomerTruckService {
 
     if (requested.length) {
       const bookingNumbers = await this.bookingContainerNumbers(bookingId);
+      // Never assign more trucks than the booking has containers.
+      const existingTrucks = await this.dataSource
+        .getRepository(CustomerTruckAssignment)
+        .count({ where: { bookingId } });
+      if (existingTrucks + 1 > bookingNumbers.length) {
+        throw new BadRequestException(
+          `Cannot assign more trucks than containers — this booking has ${bookingNumbers.length} container(s) and ${existingTrucks} truck(s) already assigned.`,
+        );
+      }
       for (const n of requested) {
         if (!bookingNumbers.includes(n)) {
           throw new BadRequestException(`Container ${n} is not one of this booking's containers`);