game.rb

class Game
  #...
  def print_average_game_rating
    if ratings_count == 0
      "Nota média:"
    else
      "Nota média: #{average_game_rating}"
    end
  end
end

latest_activities.haml

- if timeline_activities
  - timeline_activities.each do |activity|
    - if activity.class == Playable
      - @user ? user = @user : user = activity.user
      - @game ? game = @game : game = activity.game
      = render "playables/timeline_activity", activity: activity, user: user, game: game

    - if activity.class == Message
      = render "messages/timeline_activity", activity: activity, author: activity.author, messageable: activity.messageable

  - if paginated
    #load-more
      - load_more_url = user_profile_path(@user.slug, pagina: (@page.to_i+1)) if @user
      - load_more_url = game_path(slug: @game.slug, platform: @game.platform, pagina: (@page.to_i+1)) if @game

      = link_to load_more_url, title: "Ver mais ativididades", remote: true, format: :js, id: "load-more-button" do
        ver mais atividades
        %span.green-symbol
          = "+"
      = image_tag "loading3.png", :alt => "Carregando...", :class => "loading"

- else
  %p Nenhuma atividade foi registrada por aqui ainda...

latest_activities_small_refactory.haml

- if timeline_activities

  = activity_decorator.timeline_activity

  - if paginated
    #load-more
      - load_more_url = user_profile_path(@user.slug, pagina: (@page.to_i+1)) if @user
      - load_more_url = game_path(slug: @game.slug, platform: @game.platform, pagina: (@page.to_i+1)) if @game

      = link_to load_more_url, title: "Ver mais ativididades", remote: true, format: :js, id: "load-more-button" do
        ver mais atividades
        %span.green-symbol
          = "+"
      = image_tag "loading3.png", :alt => "Carregando...", :class => "loading"

- else
  %p Nenhuma atividade foi registrada por aqui ainda...