Module: Allows::ClassMethods

Defined in:
lib/allows.rb

Instance Method Summary collapse

Instance Method Details

#allow(*options, &block) ⇒ Object 



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# File 'lib/allows.rb', line 71

def allow(*options, &block)
  @allows ||= Array.new
  @allows << options
end

#clear_permissions ⇒ Object 



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# File 'lib/allows.rb', line 111

def clear_permissions
  @permissions = nil
end

#set_permissions ⇒ Object 



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# File 'lib/allows.rb', line 76

def set_permissions
  # Permissions are calculated only once per class for performance considerations
  # This behaviour is overridden in development so permissions are always calculated
  if (!@permissions && @allows) || (defined?(RAILS_ENV) && RAILS_ENV == 'development')
    @permissions = Hash.new
    
    if @allows 
      @allows.each do |p|
        allowed = Hash.new
        hash = p.select{|o| o.is_a?(Hash)}
        
        allowed[:permissions] = p - hash

        actions = hash.first
        if hash.first
          allowed[:except] = actions[:except] 
          allowed[:only] = actions[:only]
        end

        if allowed[:only]                               # Only for the specified actions
          allowed_actions = Array(allowed[:only])
        elsif allowed[:except]                          # All available actions EXCEPT the ones specified
          allowed_actions = controller_actions - Array(allowed[:except])
        else                                            # All available actions
          allowed_actions = controller_actions
        end

        allowed_actions.each do |action|
          @permissions[action.to_sym] = (Array(@permissions[action.to_sym]) + allowed[:permissions]).uniq
        end
      end
    end
  end
end