module Rostra
  class Ability
    include CanCan::Ability

    def initialize(user)
      @user = user || User.new

      if @user.can_participate_in_rostra?
        can :manage, Question, :user => user
        can :manage, Answer, :user => user
        can :manage, Comment, :user => user

        can [:vote, :toggle_following], Question
        cannot :vote, Question, :user => user

        can [:new, :vote], Answer
        cannot :vote, Answer, :user => user
      end

      can :read, :all
    end

  end
end