Ch4s3/ink_stream

# frozen_string_literal: true

# Controller for Articles and related search functionality
class ArticlesController < ApplicationController
  before_action :find_article_and_annotations, only: :show
  before_action :validate_search, only: :results
  before_action :authenticate_user!, only: %i[new create]

  def new
    @article = Article.new
  end

  def create
    publication = Publication.find_by(id: article_params['publication']['publication_id'])
    @article =  Article.new(title: article_params['title'], link: article_params['link'],
                            publication: publication)
    if @article.save
      ArticleWorker.perform_async(@article.link, @article.id)
      message = 'The article has been created and an text is being parsed'
      flash_and_redirect(message, :success)
    else
      flash_and_redirect(@article.errors, :error, :back)
    end
  end

  def results
    @articles = Articles::Finder.find(@search)
  end

  def show
    flash_and_redirect('The requested article does not exist') unless @article
    fresh_when last_modified: @article.updated_at.utc, strong_etag: @article
  end

  def search
    @articles_search_form = ArticlesSearchForm.new
  end

  private

  def validate_search
    @search =
      ArticlesSearchForm.new(search_params[:title],
                             [search_params[:publications]],
                             search_params[:search_offset].to_i)
    error_message = 'You must include a title to search for articles'
    flash_and_redirect(error_message) unless @search.valid?
  end

  def find_article_and_annotations
    @article = Article.find_by(uuid: show_params['id'])
    @annotations = Annotation.where(article: @article)
  end

  def article_params
    params.require(:article)
          .permit(:title, :link, publication: :publication_id)
  end

  def show_params
    params.permit('id')
  end

  def search_params
    params.require(:articles_search_form)
          .permit(:publications, :title, :search_offset)
  end
end