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class Route < ActiveRecord::Base
belongs_to :source, polymorphic: true # rubocop:disable Cop/PolymorphicAssociations
validates :source, presence: true
validates :path,
length: { within: 1..255 },
presence: true,
uniqueness: { case_sensitive: false }
after_create :delete_conflicting_redirects
after_update :delete_conflicting_redirects, if: :path_changed?
after_update :create_redirect_for_old_path
after_update :rename_descendants
scope :inside_path, -> (path) { where('routes.path LIKE ?', "#{sanitize_sql_like(path)}/%") }
def rename_descendants
return unless path_changed? || name_changed?
descendant_routes = self.class.inside_path(path_was)
descendant_routes.each do |route|
attributes = {}
if path_changed? && route.path.present?
attributes[:path] = route.path.sub(path_was, path)
end
if name_changed? && name_was.present? && route.name.present?
attributes[:name] = route.name.sub(name_was, name)
end
if attributes.present?
old_path = route.path
# Callbacks must be run manually
route.update_columns(attributes.merge(updated_at: Time.now))
# We are not calling route.delete_conflicting_redirects here, in hopes
# of avoiding deadlocks. The parent (self, in this method) already
# called it, which deletes conflicts for all descendants.
route.create_redirect(old_path) if attributes[:path]
end
end
end
def delete_conflicting_redirects
conflicting_redirects.delete_all
end
def conflicting_redirects
RedirectRoute.matching_path_and_descendants(path)
end
def create_redirect(path)
RedirectRoute.create(source: source, path: path)
end
private
def create_redirect_for_old_path
create_redirect(path_was) if path_changed?
end
end
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