gitlab-org--gitlab-foss/app/models/route.rb

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# frozen_string_literal: true
class Route < ApplicationRecord
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include CaseSensitivity
include Gitlab::SQL::Pattern
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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 }
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before_validation :delete_conflicting_orphaned_routes
after_create :delete_conflicting_redirects
after_update :delete_conflicting_redirects, if: :saved_change_to_path?
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after_update :create_redirect_for_old_path
after_update :rename_descendants
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scope :inside_path, -> (path) { where('routes.path LIKE ?', "#{sanitize_sql_like(path)}/%") }
scope :for_routable, -> (routable) { where(source: routable) }
scope :for_routable_type, -> (routable_type) { where(source_type: routable_type) }
scope :sort_by_path_length, -> { order('LENGTH(routes.path)', :path) }
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def rename_descendants
return unless saved_change_to_path? || saved_change_to_name?
descendant_routes = self.class.inside_path(path_before_last_save)
descendant_routes.each do |route|
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attributes = {}
if saved_change_to_path? && route.path.present?
attributes[:path] = route.path.sub(path_before_last_save, path)
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end
if saved_change_to_name? && name_before_last_save.present? && route.name.present?
attributes[:name] = route.name.sub(name_before_last_save, name)
end
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if attributes.present?
old_path = route.path
# Callbacks must be run manually
route.update_columns(attributes.merge(updated_at: Time.current))
# 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
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def delete_conflicting_redirects
conflicting_redirects.delete_all
end
def conflicting_redirects
RedirectRoute.matching_path_and_descendants(path)
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end
def create_redirect(path)
RedirectRoute.create(source: source, path: path)
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end
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private
def create_redirect_for_old_path
create_redirect(path_before_last_save) if saved_change_to_path?
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end
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def delete_conflicting_orphaned_routes
conflicting = self.class.iwhere(path: path)
conflicting_orphaned_routes = conflicting.select do |route|
route.source.nil?
end
conflicting_orphaned_routes.each(&:destroy)
end
end