CanCan能力和封锁的问题

Question

I have problem with cancan. I add role in ability.rb

if user
 can :manage, Account do
  (some code which return boolean value). For example: user.verify?
 end
end

and on my view for button I add verify

if can? :index, Article

I see my button all the time irrespective of the result block true or false. Thank you for help

Answer 1

If an ability for a class is defined using a block, the block will be ignored when checking on the class. You'll need to check on an instance of the class, like so:

if can? :index, Article.new