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required_stops.rb « danger « tooling - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
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# frozen_string_literal: true

require_relative 'suggestor'

module Tooling
  module Danger
    module RequiredStops
      include ::Tooling::Danger::Suggestor

      MIGRATION_FILES_REGEX = %r{^db/(post_)?migrate}

      MIGRATION_FINALIZE_METHODS = %w[finalize_background_migration ensure_batched_background_migration_is_finished
        finalize_batched_background_migration].freeze
      MIGRATION_FINALIZE_REGEX = /^\+\s*(.*\.)?(#{MIGRATION_FINALIZE_METHODS.join('|')})[( ]/

      DOC_URL = "https://docs.gitlab.com/ee/development/database/required_stops.html"
      WARNING_COMMENT = <<~COMMENT.freeze
        Finalizing data migration might be time consuming and require a [required stop](#{DOC_URL}).
        Check the timings of the underlying data migration.
        If possible postpone the finalization to the scheduled required stop.
        If postponing is impossible please create new required stop as documentation suggests.
      COMMENT

      def add_comment_for_finalized_migrations
        migration_files.each do |filename|
          add_suggestion(
            filename: filename,
            regex: MIGRATION_FINALIZE_REGEX,
            comment_text: WARNING_COMMENT
          )
        end
      end

      private

      def migration_files
        helper.all_changed_files.grep(MIGRATION_FILES_REGEX)
      end
    end
  end
end