discourse/lib/jobs/version_check.rb

require_dependency 'discourse_hub'
require_dependency 'discourse_updates'

module Jobs
  class VersionCheck < Jobs::Base

    def execute(args)
      if SiteSetting.version_checks
        json = DiscourseHub.discourse_version_check
        DiscourseUpdates.latest_version = json['latestVersion']
        DiscourseUpdates.critical_updates_available = json['criticalUpdates']
        DiscourseUpdates.missing_versions_count = json['missingVersionsCount']
      end
      true
    end

  end
end