games_controller.rb

module GamesController

  class Index < ControllerAction

    def get
      [200, {}, Game.all.to_json]
    end

    def params
      super.except(:deleted_at) # no need for strong_params. specify what goes and what doesn't by overriding the params
    end

  end

  class Create < ControllerAction

    def post
      @game = Game.create(params[:game])
      [200, {}, @game.to_json]
    end

  end

  class Update < ControllerAction

    def put
      @game = Game.get(params[:id])
      @game.update(params["game"])
      @game.valid? ? [200,{}, @game.attributes] : [422,{},@game.errors] 
    end
  end

end