Module: Bulkrax::ExportBehavior

Extended by:
ActiveSupport::Concern
Included in:
BagitParser, CsvParser, Entry
Defined in:
app/models/concerns/bulkrax/export_behavior.rb

Instance Method Summary collapse

Instance Method Details

#build_export_metadata ⇒ Object

Raises:

  • (StandardError) 


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# File 'app/models/concerns/bulkrax/export_behavior.rb', line 19

def build_export_metadata
  raise StandardError, 'not implemented'
end

#build_for_exporter ⇒ Object 



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# File 'app/models/concerns/bulkrax/export_behavior.rb', line 9

def build_for_exporter
  build_export_metadata
rescue RSolr::Error::Http, CollectionsCreatedError => e
  raise e
rescue StandardError => e
  set_status_info(e)
else
  set_status_info
end

#file_extension(file:, filename:) ⇒ String

Generate the appropriate file extension based on the mime type of the file

Returns:

  • (String) —

    the file extension for the given file



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# File 'app/models/concerns/bulkrax/export_behavior.rb', line 53

def file_extension(file:, filename:)
  declared_mime = ::Marcel::MimeType.for(declared_type: file.mime_type)
  # validate the declared mime type
  declared_mime = ::Marcel::MimeType.for(name: filename) if declared_mime.nil? || declared_mime == "application/octet-stream"
  # convert the mime type to a file extension
  Mime::Type.lookup(declared_mime).symbol.to_s
rescue Mime::Type::InvalidMimeType
  nil
end

#filename(file_set) ⇒ Object

Prepend the file_set id to ensure a unique filename and also one that is not longer than 255 characters



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# File 'app/models/concerns/bulkrax/export_behavior.rb', line 28

def filename(file_set)
  # return if there are no files on the fileset
  file = Bulkrax.object_factory.original_file(fileset: file_set)
  return '' if file.blank?

  fn = Bulkrax.object_factory.filename_for(fileset: file_set)
  ext = file_extension(file: file, filename: fn)

  # Prepend the file_set id to ensure a unique filename
  filename = File.basename(fn, ".*")
  # Skip modification if file already has ID or we're in metadata-only mode
  if fn.include?(file_set.id) || importerexporter.metadata_only?
    # keep filename as is
  else
    filename = "#{file_set.id}_#{filename}"
  end
  filename = ext.present? ? "#{filename}.#{ext}" : fn

  # Remove extension, truncate and reattach
  "#{File.basename(filename, ext)[0...(220 - ext.length)]}#{ext}"
end

#hyrax_record ⇒ Object 



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# File 'app/models/concerns/bulkrax/export_behavior.rb', line 23

def hyrax_record
  @hyrax_record ||= Bulkrax.object_factory.find(self.identifier)
end