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

import Post from 'App/Models/Post'
import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
import PostUpdateValidator from 'App/Validators/post/PostUpdateValidator'
import File from 'App/Models/File'
import PostStoreValidator from 'App/Validators/post/PostStoreValidator'
import PostColor from 'App/Models/PostColor'
import { getTranslation } from 'App/Utils/TranslationsUtils'

export default class PostsController {
  public async index({ response }: HttpContextContract) {
    return response.status(200).send({
      posts: await Post.query()
        .orderBy('id', 'desc')
        .preload('tags', (tags) => {
          tags.preload('label')
        })
        .preload('cover')
        .preload('color')
        .preload('content')
        .preload('title')
        .preload('description'),
    })
  }

  public async store({ request, response }: HttpContextContract) {
    const data = await request.validate(PostStoreValidator)
    const post = await Post.create(data)

    const cover = await File.findByOrFail('label', data.cover)
    const color = await PostColor.findByOrFail('name', data.color)

    await post.related('cover').associate(cover)
    await post.related('color').associate(color)

    await post.related('description').associate(await getTranslation(data.description))
    await post.related('title').associate(await getTranslation(data.title))
    await post.related('content').associate(await getTranslation(data.content))

    await post.related('tags').sync(data.tags!)

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

  public async show({ params, response }: HttpContextContract) {
    const post = await Post.findOrFail(params.id)
    await post.load('cover')
    await post.load('title')
    await post.load('description')
    await post.load('content')
    await post.load('color')
    await post.load('tags', (tags) => {
      tags.preload('label')
    })
    return response.status(200).send({
      post,
    })
  }

  public async get({ params, response }: HttpContextContract) {
    const post = await Post.firstOrCreate({
      slug: params.slug,
    }, {
      slug: params.slug,
      likes: 0,
    })
    await post.load('tags', (tags) => {
      tags.preload('label')
    })
    await post.load('cover')
    await post.load('description')
    await post.load('title')
    await post.load('content')
    await post.load('color')
    return response.status(200).send({
      post,
    })
  }

  public async update({ request, params, response }: HttpContextContract) {
    const post = await Post.findOrFail(params.id)
    const data = await request.validate(PostUpdateValidator)

    await post.merge(data).save()

    await post.related('tags').sync(data.tags!)
    await post.related('description').associate(await getTranslation(data.description!))
    await post.related('title').associate(await getTranslation(data.title!))
    await post.related('content').associate(await getTranslation(data.content!))

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

    const color = await PostColor.findBy('name', data.color)
    if (color) await post.related('color').associate(color)

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

  public async destroy({ response, params }: HttpContextContract) {
    const post = await Post.findOrFail(params.id)
    await post.delete()
    return response.status(200).send({
      message: 'Post successfully deleted!',
    })
  }

  public async like({ params, response }: HttpContextContract) {
    const post = await Post.firstOrCreate({
      slug: params.slug,
    }, {
      slug: params.slug,
      likes: 0,
    })
    const getLikes = post.likes
    await post.merge({
      likes: getLikes + 1,
    }).save()
    return response.status(200).send({
      post,
    })
  }

  public async unlike({ params, response }: HttpContextContract) {
    const post = await Post.findByOrFail('slug', params.slug)
    const getLikes = post.likes
    await post.merge({
      likes: getLikes - 1,
    }).save()
    return response.status(200).send({
      post,
    })
  }
}