Method: CanCan::ControllerAdditions#can?

Defined in:
lib/cancan/controller_additions.rb

#can?(*args) ⇒ Boolean

Use in the controller or view to check the user’s permission for a given action and object.

can? :destroy, @project

You can also pass the class instead of an instance (if you don’t have one handy).

<% if can? :create, Project %>
  <%= link_to "New Project", new_project_path %>
<% end %>

If it’s a nested resource, you can pass the parent instance in a hash. This way it will check conditions which reach through that association.

<% if can? :create, @category => Project %>
  <%= link_to "New Project", new_project_path %>
<% end %>

This simply calls “can?” on the current_ability. See Ability#can?.

Returns:

  • (Boolean) 


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# File 'lib/cancan/controller_additions.rb', line 379

def can?(*args)
  current_ability.can?(*args)
end