23 lines
744 B
Ruby
23 lines
744 B
Ruby
class Route < ActiveRecord::Base
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belongs_to :source, polymorphic: true
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validates :source, presence: true
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validates :path,
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length: { within: 1..255 },
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presence: true,
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uniqueness: { case_sensitive: false }
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after_update :rename_descendants, if: :path_changed?
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def rename_descendants
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# We update each row separately because MySQL does not have regexp_replace.
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# rubocop:disable Rails/FindEach
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Route.where('path LIKE ?', "#{path_was}/%").each do |route|
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# Note that update column skips validation and callbacks.
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# We need this to avoid recursive call of rename_descendants method
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route.update_column(:path, route.path.sub(path_was, path))
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end
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# rubocop:enable Rails/FindEach
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end
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end
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