edr-platform/apps/edr-freight-api/src/modules/train-schedules/entities/wagon-booking-allocation.entity.ts

import { BaseEntity } from '@edr/api-common';
import { Column, Entity, Index, JoinColumn, ManyToOne } from 'typeorm';

import { Booking } from '../../bookings/entities/booking.entity';
import { TrainSetWagon } from '../../train-sets/entities/train-set-wagon.entity';

@Entity({ schema: 'freight', name: 'wagon_booking_allocations' })
@Index(['trainSetWagonId', 'bookingId'])
export class WagonBookingAllocation extends BaseEntity {
  @Column({ name: 'train_set_wagon_id', type: 'uuid' })
  trainSetWagonId!: string;

  @ManyToOne(() => TrainSetWagon, (wagon) => wagon.allocations, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'train_set_wagon_id' })
  trainSetWagon?: TrainSetWagon;

  @Column({ name: 'booking_id', type: 'uuid' })
  bookingId!: string;

  @ManyToOne(() => Booking)
  @JoinColumn({ name: 'booking_id' })
  booking?: Booking;

  @Column({ name: 'allocated_weight_tons', type: 'numeric', precision: 10, scale: 3 })
  allocatedWeightTons!: number;
}