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class Permission < ActiveRecord::Base
# Validations
validates_presence_of :user_id, :node_id, :granted
validates_inclusion_of :granted, :in => [true, false]
# Associations
belongs_to :user
belongs_to :node
# Named scopes
named_scope :for_node, lambda { |node| { :conditions => ['node_id = ?', (node.is_a? Node ? node.id : node)] } }
named_scope :for_user, lambda { |user| { :conditions => ['user_id = ?', (user.is_a? User ? user.id : user)] } }
end
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