Class: GenerateArksRunner

Inherits:
JobRunner show all
Defined in:
backend/app/lib/job_runners/generate_arks_runner.rb

Instance Method Summary collapse

Methods inherited from JobRunner

#add_success_hook, #cancelation_signaler, #canceled?, for, #initialize, #parse_job_params_string, register_for_job_type, registered_job_types, registered_runner_for, #success!, #symbol_keys

Constructor Details

This class inherits a constructor from JobRunner

Instance Method Details

#run ⇒ Object 



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# File 'backend/app/lib/job_runners/generate_arks_runner.rb', line 11

def run
  DB.open do
    ArkName.run_housekeeping!
  end

  Repository.each do |repo|
    RequestContext.open(:repo_id => repo.id) do
      ASModel.all_models.select {|model| model.included_modules.include?(Arks)}.each do |model|

        underlined_msg("Repository #{repo.repo_code}: Generating ARKs for #{model} records")

        created_arks = 0
        model.this_repo.each_slice(512) do |objs|
          DB.open do
            fk = ArkName.fk_for_class(model)

            # Retain any existing external URL values
            external_ark_lookup = ArkName.filter(fk => objs.map(&:id),
                                                 :is_current => 1,
                                                 :is_external_url => 1)
                                    .select(fk, :ark_value)
                                    .map {|row| [row[fk], row[:ark_value]] }
                                    .to_h

            records_to_reindex = []
            objs.each do |obj|
              begin
                if ArkName.ensure_ark_for_record(obj, external_ark_lookup.fetch(obj.id, nil))
                  created_arks += 1
                  records_to_reindex << obj.id
                end
              rescue => e
                @job.write_output(" -> Error generating ARK for #{model} #{obj.id} => #{e.message}")
              end
            end

            model.update_mtime_for_ids(records_to_reindex)
          end
        end

        if created_arks == 0
          underlined_msg("Repository #{repo.repo_code}: ARKs for #{model} records were already up-to-date")
        else
          underlined_msg("Repository #{repo.repo_code}: Generated #{created_arks} ARKs for #{model} records")
        end
      end
    end
  end
rescue
  @job.write_output("Caught an error during run: #{$!}")
  Log.error($!)

  raise $!
end

#underlined_msg(s) ⇒ Object 



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# File 'backend/app/lib/job_runners/generate_arks_runner.rb', line 6

def underlined_msg(s)
  @job.write_output("#{s}\n#{'=' * s.length}")
end