wiki_policy.rb

gistfile1.rb

class WikiPolicy < Struct.new(:user, :wiki)
  
  def update?
    if user.role?(:admin)
        scope.all
    elsif user.role?(:premium)
        wiki.user == user || wiki.collaborators.map{|collab| collab.user}.include?(user) || !wiki.private?
    else
        scope.where(:private => false)
    end
  end

  def edit?
    update?
  end

  def create?
    user.present?
  end

  def show?
    wiki.private? ? update? : true
  end
  the show?

  def destroy?
    update?
  end

end

def index?
if user.role?(:admin)
scope.all
elsif user.role?(:premium)
wiki.user == user || wiki.collaborators.map{|collab| collab.user}.include?(user) || !wiki.private?
else
scope.where(:private => false)
end
end