
Question:
You can get the current_user
's permissions from a view or controller using can?
in this fashion:
<% if can? :update, @article %> <%= link_to "Edit", edit_article_path(@article) %> <% end %>
How can I access this functionality from a model using this syntax:
user.can?(:update, @article)
Solution:1
There's a wiki entry at github for this: http://wiki.github.com/ryanb/cancan/ability-for-other-users
You need to change your User model like this:
class User < ActiveRecord::Base def ability @ability ||= Ability.new(self) end delegate :can?, :cannot?, :to => :ability end
Then you can check abilities like this:
user.can?(:update,@article)
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