Module: Canable

Defined in:
lib/canable.rb

Defined Under Namespace

Modules: Ables, Cans, Enforcers Classes: Transgression

Constant Summary collapse

Version = 
'0.1.1'

Class Method Summary collapse

Class Method Details

.actions ⇒ Object

Returns hash of actions that have been added.

{:view => :viewable, ...}



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# File 'lib/canable.rb', line 30

def self.actions
  @actions
end

.add(can, able) ⇒ Object

Adds an action to actions and the correct methods to can and able modules.

@param [Symbol] can_method The name of the can_[action]? method.
@param [Symbol] resource_method The name of the [resource_method]_by? method.



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# File 'lib/canable.rb', line 42

def self.add(can, able)
  @actions[can] = able
  add_can_method(can, able)
  add_able_method(able)
  add_enforcer_method(can)
end

.add_able_method(able) ⇒ Object 



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# File 'lib/canable.rb', line 59

def self.add_able_method(able)
  Ables.module_eval "    def \#{able}_by?(user)\n      true\n    end\n  EOM\nend\n"

.add_can_method(can, able) ⇒ Object 



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# File 'lib/canable.rb', line 50

def self.add_can_method(can, able)
  Cans.module_eval "    def can_\#{can}?(resource)\n      return false if resource.blank?\n      resource.\#{able}_by?(self)\n    end\n  EOM\nend\n"

.add_enforcer_method(can) ⇒ Object 



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# File 'lib/canable.rb', line 67

def self.add_enforcer_method(can)
  Enforcers.module_eval "    def can_\#{can}?(resource)\n      current_user.can_\#{can}?(resource)\n    end\n\n    def enforce_\#{can}_permission(resource)\n      raise Canable::Transgression unless can_\#{can}?(resource)\n    end\n    private :enforce_\#{can}_permission\n  EOM\nend\n"

.cans ⇒ Object 



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# File 'lib/canable.rb', line 34

def self.cans
  actions.keys
end