You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: issue_quality_updater.rb
    path of file: ./repos/hacktoberfest-2020/app/services
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class IssueQualityUpdater
  def self.update_all
    issue_quality_calculator = IssueQualityCalculator.new

    Issue.includes(:repository).find_each do |issue|
      rep = issue.repository
      issue_quality_calculator.set_features(
        is_repository_code_of_conduct_present: rep.code_of_conduct_url.present?,
        issue_participants: issue.participants,
        issue_timeline_events: issue.timeline_events,
        repository_forks: rep.forks,
        repository_sta
    
  def self.update_all
    issue_quality_calculator = IssueQualityCalculator.new

    Issue.includes(:repository).find_each do |issue|
      rep = issue.repository
      issue_quality_calculator.set_features(
        is_repository_code_of_conduct_present: rep.code_of_conduct_url.present?,
        issue_participants: issue.participants,
        issue_timeline_events: issue.timeline_events,
        repository_forks: rep.forks,
        repository_stars: rep.stars,
        repository_watchers: rep.watchers
      )
      issue.quality = issue_quality_calculator.calculate_quality_progressively
      issue.save
    end
  end