has_many :old_segments, :foreign_key => :id
belongs_to :user
- has_one :from_node, :class => 'Node', :foreign_key => 'node_a'
- has_one :to_node, :class => 'Node', :foreign_key => 'node_b'
+ has_one :from_node, :class_name => 'Node', :foreign_key => 'id'
+ has_one :to_node, :class_name => 'Node', :foreign_key => 'id'
def self.from_xml(xml, create=false)
p = XML::Parser.new
end
end
- def precondtions_ok?
- return from_node and from_node.visible and to_node and to_node.visible
+ def preconditions_ok?
+ from_node and from_node.visible and to_node and to_node.visible
end
end