common_methods.rb

module KeepUp
  module Permissions
    module CommonMethods
      
      
      def self.included(klass)
        klass.class_eval do
          alias :authorize :grant
        end
      end
      
      def grant(perm)
  	    perm = perm.to_s if perm.is_a? Symbol
  	    raise "Permission (#{perm}) does not exist" unless self.permission.respond_to? perm.to_sym
  	    self.permission.update_attribute(perm,true)
      end
      
      def deauthorize perm
        perm = perm.to_s if perm.is_a? Symbol
        raise "Permission (#{perm}) does not exist" unless self.permission.respond_to? perm.to_sym
        self.permission.update_attribute(perm,false)
      end
      
      def cannot? perm
        !has_permission? perm
      end
      
      def god?
        has_permission? :god
      end
      
      def has_any_permissions?
        true
      end      
    
      def has_local_permission? perm
  	    return false if self.permission.nil?
  	    return true if self.permission.god
  	    perm = perm.to_s if perm.is_a? Symbol
  	    raise "Permission (#{perm}) does not exist" unless self.permission.respond_to? perm.to_sym
  	    self.permission.send(perm)  
      end
      
      private
      def create_new_permission
        self.permission = Permission.create
      end
      
    end
  end
end