edr-platform/apps/edr-freight-api/src/modules/rule-engine/entities/yard-location.entity.ts

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

import { Yard } from './yard.entity';

/**
 * GPS position of a yard (decimal degrees, WGS84). One record per yard;
 * today only the five facility yards (Sebeta, GMP/Indode, Mojo, Adama,
 * Dire Dawa) are seeded.
 */
@Entity({ schema: 'freight', name: 'yard_locations' })
@Index(['yardId'], { unique: true })
export class YardLocation extends BaseEntity {
  @Column({ name: 'yard_id', type: 'uuid' })
  yardId!: string;

  @OneToOne(() => Yard, { nullable: false, onDelete: 'CASCADE' })
  @JoinColumn({ name: 'yard_id' })
  yard?: Yard;

  @Column({ name: 'latitude', type: 'double precision' })
  latitude!: number;

  @Column({ name: 'longitude', type: 'double precision' })
  longitude!: number;
}