@sphereon/ssi-sdk.data-store/src/entities/contact/BaseContactEntity.ts

import typeorm from 'typeorm'
const {
  BaseEntity,
  BeforeInsert,
  BeforeUpdate,
  CreateDateColumn,
  Entity,
  JoinColumn,
  OneToMany,
  OneToOne,
  PrimaryGeneratedColumn,
  TableInheritance,
  UpdateDateColumn,
} = typeorm
import { typeOrmDateTime } from '@sphereon/ssi-sdk.agent-config'
import { PartyEntity } from './PartyEntity'
import { ContactMetadataItemEntity } from './ContactMetadataItemEntity'

@Entity('BaseContact')
@TableInheritance({ column: { type: 'varchar', name: 'type' } })
export abstract class BaseContactEntity extends BaseEntity {
  @PrimaryGeneratedColumn('uuid')
  id!: string

  @CreateDateColumn({ name: 'created_at', nullable: false, type: typeOrmDateTime() })
  createdAt!: Date

  @UpdateDateColumn({ name: 'last_updated_at', nullable: false, type: typeOrmDateTime() })
  lastUpdatedAt!: Date

  @OneToOne(() => PartyEntity, (party: PartyEntity) => party.contact, {
    onDelete: 'CASCADE',
  })
  @JoinColumn({ name: 'party_id' })
  party!: PartyEntity

  @OneToMany(() => ContactMetadataItemEntity, (metadata: ContactMetadataItemEntity) => metadata.contact, {
    cascade: true,
    onDelete: 'CASCADE',
    eager: true,
    nullable: false,
  })
  @JoinColumn({ name: 'metadata_id' })
  metadata!: Array<ContactMetadataItemEntity>

  // By default, @UpdateDateColumn in TypeORM updates the timestamp only when the entity's top-level properties change.
  @BeforeInsert()
  @BeforeUpdate()
  updateUpdatedDate(): void {
    this.lastUpdatedAt = new Date()
  }
}