Class: ModularImporter

Inherits:
Object
  • Object
show all
Defined in:
app/importers/modular_importer.rb

Constant Summary collapse

DEDUPLICATION_FIELD = 
'identifier'

Instance Method Summary collapse

Constructor Details

#initialize(csv_import) ⇒ ModularImporter

Returns a new instance of ModularImporter.



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# File 'app/importers/modular_importer.rb', line 8

def initialize(csv_import)
  @csv_import = csv_import
  @csv_file = csv_import.manifest.to_s
  @collection_id = csv_import.fedora_collection_id
  @user_id = csv_import.user_id
  @user_email = User.find(csv_import.user_id).email
  @row = 0 # Row number doesn't seem to be recorded in the mappper -- there is an attribute for it. record.mapper.row_number is always nil
end

Instance Method Details

#import ⇒ Object 



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# File 'app/importers/modular_importer.rb', line 17

def import
  raise "Cannot find expected input file #{@csv_file}" unless File.exist?(@csv_file)
  file = File.open(@csv_file)

  @csv_import.save
  csv_import_detail = Zizia::CsvImportDetail.find_or_create_by(csv_import_id: @csv_import.id)
  csv_import_detail.collection_id = @collection_id
  csv_import_detail.depositor_id = @user_id
  csv_import_detail.batch_id = @csv_import.id
  csv_import_detail.deduplication_field = DEDUPLICATION_FIELD
  csv_import_detail.update_actor_stack = @csv_import.update_actor_stack
  csv_import_detail.save

  attrs = {
    csv_import_detail: csv_import_detail
  }

  Rails.logger.info "[zizia] event: start_import, batch_id: #{@csv_import.id}, collection_id: #{@collection_id}, user: #{@user_email}"

  importer = Zizia::Importer.new(parser: Zizia::CsvParser.new(file: file), record_importer: Zizia::HyraxRecordImporter.new(attributes: attrs))

  importer.records.each_with_index do |record, index|
    pre_ingest_work = Zizia::PreIngestWork.find_or_create_by(deduplication_key: record.mapper.metadata['deduplication_key'])
    pre_ingest_work.csv_import_detail_id = csv_import_detail.id
    record.mapper.files.each do |child_file|
      full_path = Dir.glob("#{ENV['IMPORT_PATH']}/**/#{child_file}").first
      pre_ingest_file = Zizia::PreIngestFile.new(row_number: index + 1,
                                                 pre_ingest_work: pre_ingest_work,
                                                 filename: child_file,
                                                 size: File.size(full_path))
      pre_ingest_file.save
    end
    pre_ingest_work.save
  end

  csv_import_detail.save
  importer.import
  file.close
end