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path.rb « container_registry « lib - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
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module ContainerRegistry
  ##
  # Class reponsible for extracting project and repository name from
  # image repository path provided by a containers registry API response.
  #
  # Example:
  #
  # some/group/my_project/my/image ->
  #   project: some/group/my_project
  #   repository: my/image
  #
  class Path
    InvalidRegistryPathError = Class.new(StandardError)

    def initialize(path)
      @path = path
      @nodes = path.to_s.split('/')
    end

    def to_s
      @path
    end

    def valid?
      @nodes.size > 1 && @nodes.size < Namespace::NUMBER_OF_ANCESTORS_ALLOWED
    end

    def components
      raise InvalidRegistryPathError unless valid?

      @components ||= @nodes.size.downto(2).map do |length|
        @nodes.take(length).join('/')
      end
    end

    def has_project?
      repository_project.present?
    end

    def has_repository?
      return false unless has_project?

      repository_project.container_repositories
        .where(name: repository_name).any?
    end

    def repository_project
      @project ||= Project.where_full_path_in(components.first(3))&.first
    end

    def repository_name
      return unless has_project?

      @path.remove(%r(^?#{Regexp.escape(repository_project.full_path)}/?))
    end
  end
end