trains, wagons,containers and cargoes schema and API

apps/edr-freight-api/src/modules/trains/entities/train.entity.ts

@@ -1,23 +1,58 @@
-import { BaseEntity } from "@edr/api-common";
-import { Freight } from "@edr/types";
-import { Column, Entity } from "typeorm";
+// apps/edr-freight-api/src/modules/trains/entities/train.entity.ts
+import { BaseEntity } from '@edr/api-common';
+import { Freight } from '@edr/types';
+import { Column, Entity, OneToMany } from 'typeorm';
+import { Wagon } from '../../wagons/entities/wagon.entity';
 
-@Entity({ schema:"freight",name: "trains" })
+@Entity({ schema: 'freight', name: 'trains' })
 export class Train extends BaseEntity {
-  @Column({ name: "code", type: "varchar", length: 32, unique: true })
+  // --- existing fields (keep for backward compatibility) ---
+  @Column({ name: 'code', type: 'varchar', length: 32, unique: true })
   code!: string;
 
-  @Column({ name: "capacity_tons", type: "numeric", precision: 10, scale: 2 })
+  @Column({ name: 'capacity_tons', type: 'numeric', precision: 10, scale: 2 })
   capacityTons!: number;
 
   @Column({
-    name: "status",
-    type: "enum",
+    name: 'status',
+    type: 'enum',
     enum: Freight.TrainStatus,
     default: Freight.TrainStatus.Available,
   })
   status!: Freight.TrainStatus;
 
-  @Column({ name: "notes", type: "text", nullable: true })
+  @Column({ name: 'notes', type: 'text', nullable: true })
   notes?: string | null;
-}
+
+  // --- new required fields ---
+  @Column({ name: 'train_number', type: 'varchar', length: 20, unique: true, nullable: true })
+  trainNumber?: string;
+
+  @Column({ name: 'train_name', type: 'varchar', length: 100, nullable: true })
+  trainName?: string;
+
+  @Column({ name: 'route_id', type: 'uuid', nullable: true })
+  routeId?: string;
+
+  @Column({ name: 'origin_station_id', type: 'uuid', nullable: true })
+  originStationId?: string;
+
+  @Column({ name: 'destination_station_id', type: 'uuid', nullable: true })
+  destinationStationId?: string;
+
+  @Column({ name: 'departure_time', type: 'timestamp', nullable: true })
+  departureTime?: Date;
+
+  @Column({ name: 'arrival_time', type: 'timestamp', nullable: true })
+  arrivalTime?: Date;
+
+  @Column({ name: 'locomotive_number', type: 'varchar', length: 50, nullable: true })
+  locomotiveNumber?: string;
+
+  @Column({ name: 'remarks', type: 'text', nullable: true })
+  remarks?: string;
+
+  // --- relationships ---
+   @OneToMany(() => Wagon, (wagon) => wagon.train)
+  wagons!: Wagon[];  // fixed typo: was 'wagens'
+}