feat(freight): added routes and locomotives

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

@@ -191,6 +191,7 @@ export class TrainSchedulingService {
     const locomotive = await this.selectOrValidateLocomotive(
       dto.locomotiveId,
       validation.summary.totalWeightTons,
+      validation.summary.totalLengthMeters,
     );
 
     const createdSchedule = await this.dataSource.transaction(
@@ -220,6 +221,15 @@ export class TrainSchedulingService {
           );
         }
 
+        if (
+          Number(lockedLocomotive.maxTrainLengthMeters) <
+          validation.summary.totalLengthMeters
+        ) {
+          throw new BadRequestException(
+            `Locomotive ${lockedLocomotive.code} cannot support ${validation.summary.totalLengthMeters}m`,
+          );
+        }
+
         const existingScheduleCount = await manager
           .getRepository(TrainScheduleBooking)
           .count({
@@ -461,10 +471,14 @@ export class TrainSchedulingService {
           where: { status: "AVAILABLE" },
         });
       const canPull = capableLocomotives.some(
-        (locomotive) => Number(locomotive.maxPullWeightTons) >= totalWeightTons,
+        (locomotive) =>
+          Number(locomotive.maxPullWeightTons) >= totalWeightTons &&
+          Number(locomotive.maxTrainLengthMeters) >= totalLengthMeters,
       );
       if (!canPull) {
-        violations.push("No available locomotive can pull the total weight");
+        violations.push(
+          'No available locomotive can support the total train weight and length',
+        );
       }
     }
 
@@ -513,6 +527,7 @@ export class TrainSchedulingService {
   async selectOrValidateLocomotive(
     locomotiveId: string,
     totalWeightTons: number,
+    totalLengthMeters: number,
   ) {
     const locomotive = await this.locomotivesRepository.findById(locomotiveId);
 
@@ -532,6 +547,12 @@ export class TrainSchedulingService {
       );
     }
 
+    if (Number(locomotive.maxTrainLengthMeters) < totalLengthMeters) {
+      throw new BadRequestException(
+        `Locomotive ${locomotive.code} cannot support ${totalLengthMeters}m`,
+      );
+    }
+
     return locomotive;
   }
 
@@ -711,6 +732,9 @@ export class TrainSchedulingService {
               maxPullWeightTons: this.roundTons(
                 Number(schedule.trainSet.locomotive.maxPullWeightTons),
               ),
+              maxTrainLengthMeters: this.roundTons(
+                Number(schedule.trainSet.locomotive.maxTrainLengthMeters),
+              ),
             }
             : null,
           wagons: [...(schedule.trainSet.wagons ?? [])]