artdanj-api/app/Models/Tag.ts

import { DateTime } from 'luxon'
import {BaseModel, BelongsTo, belongsTo, column} from '@ioc:Adonis/Lucid/Orm'
import Translation from "App/Models/Translation";

export default class Tag extends BaseModel {
  @column({ isPrimary: true })
  public id: number

  @belongsTo(() => Translation, {
    foreignKey: 'labelId'
  })
  public label: BelongsTo<typeof Translation>

  @column()
  public labelId: number

  @column.dateTime({ autoCreate: true })
  public createdAt: DateTime

  @column.dateTime({ autoCreate: true, autoUpdate: true })
  public updatedAt: DateTime
}