34 lines
929 B
Ruby
34 lines
929 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
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def rename_descendants
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if path_changed? || name_changed?
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descendants = Route.where('path LIKE ?', "#{path_was}/%")
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descendants.each do |route|
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attributes = {}
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if path_changed? && route.path.present?
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attributes[:path] = route.path.sub(path_was, path)
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end
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if name_changed? && route.name.present?
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attributes[:name] = route.name.sub(name_was, name)
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end
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# Note that update_columns 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_columns(attributes) unless attributes.empty?
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end
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end
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end
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end
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