artdanj-api/app/Controllers/Http/AnnouncesController.ts

import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
import Announce from 'App/Models/Announce'
import AnnounceUpdateValidator from 'App/Validators/announce/AnnounceUpdateValidator'
import File from 'App/Models/File'
import { getTranslation } from 'App/Utils/TranslationsUtils'

export default class AnnouncesController {
  public async index({ response }: HttpContextContract) {
    const announce = await Announce
      .query()
      .orderBy('created_at', 'desc')
      .preload('message')
      .preload('cover')
      .first()
    return response.status(200).send({
      announce,
    })
  }

  public async update({ request, params, response }: HttpContextContract) {
    const data = await request.validate(AnnounceUpdateValidator)
    const announce = await Announce.findOrFail(params.id)

    if (data.code)
      await announce.related('message').associate(await getTranslation(data.code))

    const cover = await File.findBy('label', data.cover)
    if (cover) await announce.related('cover').associate(cover)

    await announce.merge(data).save()

    return response.status(200).send({
      announce,
    })
  }
}