implement intercity booking management and booking window websocket integration

apps/edr-freight-api/src/modules/train-scheduling/train-scheduling.service.ts

@@ -408,7 +408,9 @@ export class TrainSchedulingService {
         schedule.ruleImportWindowLeadDays ??
         liveCfg.importWindowLeadDays,
       exportBookingLeadHours:
-        schedule.ruleExportBookingLeadHours ?? liveCfg.exportBookingLeadHours,
+        dto.exportBookingLeadHours ??
+        schedule.ruleExportBookingLeadHours ??
+        liveCfg.exportBookingLeadHours,
       windowOpenHour:
         dto.windowOpenHour ?? schedule.ruleWindowOpenHour ?? liveCfg.windowOpenHour,
       windowCloseHour:
@@ -432,6 +434,12 @@ export class TrainSchedulingService {
       schedule.direction === 'EXPORT'
         ? computeExportWindowTimes(schedule.scheduledDepartureDate, merged)
         : computeImportWindowTimes(schedule.scheduledDepartureDate, merged, now);
+    if (times.windowOpensAt.getTime() >= times.windowClosesAt.getTime()) {
+      throw new BadRequestException(
+        'These settings leave no booking window before departure — with the ' +
+          'desk hours applied, the window would only open once the train has left.',
+      );
+    }
 
     await this.dataSource.getRepository(TrainSchedule).update(id, {
       windowOpensAt: times.windowOpensAt,
@@ -686,10 +694,9 @@ export class TrainSchedulingService {
         lockedLocomotives.push(locked);
       }
 
-      const direction = deriveScheduleDirection(
-        route.originYard ?? { country: null },
-        route.destinationYard ?? { country: null },
-      );
+      // Frozen on the route at create/update from the yard-country enum;
+      // getSchedulableRoute already rejected DOMESTIC (intercity).
+      const direction = this.resolveRouteDirection(route);
 
       const trainSet = await this.buildEmptyTrainSet(manager, lockedLocomotives);
       // Effective capacity is capped by the weakest locomotive in the set.
@@ -3447,9 +3454,27 @@ export class TrainSchedulingService {
         `Route ${formatRouteLabel(route)} is not available for scheduling (${route.status})`,
       );
     }
+    // Intercity (same-country) service is not offered yet — only import/export
+    // trains can be scheduled.
+    if (this.resolveRouteDirection(route) === 'DOMESTIC') {
+      throw new BadRequestException(
+        `Route ${formatRouteLabel(route)} is an intercity route; intercity scheduling is not available yet`,
+      );
+    }
     return route;
   }
 
+  /** Stored route direction, deriving from yard countries for pre-migration rows. */
+  private resolveRouteDirection(route: Route) {
+    return (
+      route.direction ??
+      deriveScheduleDirection(
+        route.originYard ?? { country: null },
+        route.destinationYard ?? { country: null },
+      )
+    );
+  }
+
   private mapEligibleBooking(booking: Booking) {
     return {
       id: booking.id,
@@ -4054,6 +4079,7 @@ export class TrainSchedulingService {
             : null,
         reopenDelayMinutes: schedule.ruleReopenDelayMinutes ?? null,
         importWindowLeadDays: schedule.ruleImportWindowLeadDays ?? null,
+        exportBookingLeadHours: schedule.ruleExportBookingLeadHours ?? null,
         docReviewMinutes: windowCfg.docReviewMinutes,
         paymentWindowMinutes: windowCfg.paymentWindowMinutes,
       },