Class: Longleaf::ValidateMetadataCommand

Inherits:
Object
  • Object
show all
Includes:
EventStatusTracking
Defined in:
lib/longleaf/commands/validate_metadata_command.rb

Overview

Command for validating file metadata longleaf

Instance Method Summary collapse

Methods included from EventStatusTracking

#record_failure, #record_success, #return_status, #track_failure, #track_status, #track_success

Methods included from Logging

#initialize_logger, initialize_logger, logger, #logger

Constructor Details

#initialize(app_manager) ⇒ ValidateMetadataCommand

Returns a new instance of ValidateMetadataCommand.



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# File 'lib/longleaf/commands/validate_metadata_command.rb', line 11

def initialize(app_manager)
  @app_manager = app_manager
end

Instance Method Details

#execute(file_selector:) ⇒ Integer

Execute the validation command

Parameters:

  • file_selector (FileSelector) —

    selector for files to register

Returns:

  • (Integer) —

    status code



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# File 'lib/longleaf/commands/validate_metadata_command.rb', line 18

def execute(file_selector:)
  start_time = Time.now
  logger.info('Performing validate metadata command')
  begin
    # Perform metadata validation on each of the file paths provided
    loop do
      f_path = file_selector.next_path
      break if f_path.nil?

      storage_location = @app_manager.location_manager.get_location_by_path(f_path)

      begin
        file_rec = FileRecord.new(f_path, storage_location)
        unless file_rec.metadata_present?
          raise MetadataError.new("Cannot validate metadata for #{f_path}, file is not registered.")
        end

        @app_manager.md_manager.load(file_rec)
        record_success("Metadata for file passed validation: #{f_path}")
      rescue LongleafError => err
        record_failure(err.message)
      end
    end
  rescue RegistrationError, InvalidStoragePathError, StorageLocationUnavailableError => err
    record_failure(err.message)
  rescue => err
    record_failure("Encountered error while validating metadata files", error: err)
  end

  logger.info("Completed validate metadata command in #{Time.now - start_time}s")
  return_status
end