RenaiApp/src/main/entities/library/source.ts

import { Column, Entity, ManyToMany, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
import { Copy } from './copy';
import { Site } from './site';

@Entity()
export class Source implements SourceEntityInterface {
  @PrimaryGeneratedColumn()
  public readonly id!: number;

  @Column({
    nullable: false,
    default: '',
  })
  public uri!: string;

  @ManyToOne(() => Site, (site: SiteEntityInterface) => site.sources, {
    nullable: true,
    onDelete: 'RESTRICT',
    onUpdate: 'CASCADE',
  })
  public site!: Promise<SiteEntityInterface> | null;

  @ManyToMany(() => Copy, (copy: CopyEntityInterface) => copy.sources)
  public copies!: Promise<CopyEntityInterface[]>;
}