lib/gitlab/bitbucket_import/ref_converter.rb


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# frozen_string_literal: true

module Gitlab
  module BitbucketImport
    class RefConverter
      REPO_MATCHER = 'https://bitbucket.org/%s'
      PR_NOTE_ISSUE_NAME_REGEX = '(?<=/)[^/\)]+(?=\)[^/]*$)'
      UNWANTED_NOTE_REF_HTML = "{: data-inline-card='' }"

      attr_reader :project

      def initialize(project)
        @project = project
      end

      def convert_note(note)
        repo_matcher = REPO_MATCHER % project.import_source

        return note unless note.match?(repo_matcher)

        note = note.gsub(repo_matcher, url_helpers.project_url(project))
                   .gsub(UNWANTED_NOTE_REF_HTML, '')
                   .strip

        if note.match?('issues')
          note.gsub!('issues', '-/issues')
          note.gsub!(issue_name(note), '')
        else
          note.gsub!('pull-requests', '-/merge_requests')
          note.gsub!('src', '-/blob')
          note.gsub!('lines-', 'L')
        end

        note
      end

      private

      def url_helpers
        Rails.application.routes.url_helpers
      end

      def issue_name(note)
        note.match(PR_NOTE_ISSUE_NAME_REGEX)[0]
      end
    end
  end
end