Class: MongoidForums::Ability
- Inherits:
-
Object
- Object
- MongoidForums::Ability
- Includes:
- CanCan::Ability
- Defined in:
- app/models/mongoid_forums/ability.rb
Class Method Summary collapse
-
.register_ability(ability) ⇒ Object
Allows us to go beyond the standard cancan initialize method which makes it difficult for engines to modify the default
Ability
of an application. - .remove_ability(ability) ⇒ Object
Instance Method Summary collapse
-
#initialize(user) ⇒ Ability
constructor
A new instance of Ability.
Constructor Details
#initialize(user) ⇒ Ability
Returns a new instance of Ability.
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# File 'app/models/mongoid_forums/ability.rb', line 19 def initialize(user) user ||= MongoidForums.user_class.new can :read, MongoidForums::Category do |category| user.can_read_mongoid_forums_category?(category) end can :read, MongoidForums::Topic do |topic| user.can_read_mongoid_forums_forum?(topic.forum) && user.can_read_mongoid_forums_topic?(topic) end if user.can_read_mongoid_forums_forums? can :read, MongoidForums::Forum do |forum| user.can_read_mongoid_forums_category?(forum.category) && user.can_read_mongoid_forums_forum?(forum) end end can :create_topic, MongoidForums::Forum do |forum| can?(:read, forum) && user.can_create_mongoid_forums_topics?(forum) end can :reply, MongoidForums::Topic do |topic| can?(:read, topic.forum) && user.can_reply_to_mongoid_forums_topic?(topic) end can :edit_post, MongoidForums::Forum do |forum| user.can_edit_mongoid_forums_posts?(forum) end can :destroy_post, MongoidForums::Forum do |forum| user.can_destroy_mongoid_forums_posts?(forum) end can :moderate, MongoidForums::Forum do |forum| user.can_moderate_mongoid_forums_forum?(forum) || user.mongoid_forums_admin? end #include any abilities registered by extensions, etc. Ability.abilities.each do |clazz| ability = clazz.send(:new, user) @rules = rules + ability.send(:rules) end end |
Class Method Details
.register_ability(ability) ⇒ Object
Allows us to go beyond the standard cancan initialize method which makes it difficult for engines to modify the default Ability
of an application. The ability
argument must be a class that includes the CanCan::Ability
module. The registered ability should behave properly as a stand-alone class and therefore should be easy to test in isolation.
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# File 'app/models/mongoid_forums/ability.rb', line 11 def self.register_ability(ability) self.abilities.add(ability) end |
.remove_ability(ability) ⇒ Object
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# File 'app/models/mongoid_forums/ability.rb', line 15 def self.remove_ability(ability) self.abilities.delete(ability) end |