Second iteration of Articles controller.

articles_controller.rb

class Api::Private::ArticlesController < Api::Private::BaseController
  include ArticlesSearch
  before_filter :find_or_create_article, except: [:index]

  PAGE_SIZE = 20

  def index
    @articles = Article.scoped
    total_pages = 0
    page = params[:page] ? params[:page] : 1

    if params[:state] == Article::PENDING
      @articles = Article.pending
    elsif params[:state] == Article::APPROVED
      @articles = Article.approved
    else
      @articles = @articles.order('articles.created_at DESC')  
    end

    if params[:query]
      @articles = articles_search(params[:query], params[:state])
    end
      
    @articles = @articles.page(page).per_page(PAGE_SIZE)        
    total_pages = @articles.total_pages

    respond_with @articles, each_serializer: article_serializer, root: 'articles', meta: { total_pages: total_pages }
  end

  #####
  # ...
  # The rest of the methods ommited
  # ...
  #####

end