8 lines
260 B
Ruby
8 lines
260 B
Ruby
# frozen_string_literal: true
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class Node < ActiveRecord::Base
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belongs_to :tree, touch: true
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belongs_to :parent, class_name: "Node", touch: true, optional: true
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has_many :children, class_name: "Node", foreign_key: :parent_id, dependent: :destroy
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end
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