manifold_manifest

#!/usr/bin/env ruby
# frozen_string_literal: true

# Script inputs a list of manifest files
# and modifies each for Manifold.

require 'optparse'
require 'ostruct'
require 'os'

# Determine the root directory of the code base.
script_dir = File.expand_path(File.dirname(__FILE__))
root_dir = File.dirname(script_dir)

require_relative File.join(root_dir, "lib", "logger")

script_logger = UMPTG::Logger.create(logger_fp: STDOUT)

# Process the script parameters.
options = OpenStruct.new
option_parser = OptionParser.new do |opts|
  opts.banner = "Usage: #{File.basename(__FILE__)} manifest_file [manifest_file..]"
  opts.on_tail('-h', '--help', 'Print this help message') do
    script_logger.info(opts)
    exit 0
  end
end
option_parser.parse!(ARGV)
if ARGV.count < 1
  script_logger.info(option_parser.help)
  return
end

manifest_file_list = ARGV

require_relative File.join(root_dir, 'lib', 'fulcrum', 'manifest')

manifest_file_list.each do |manifest_file|
  manifest_file = File.expand_path(manifest_file)
  unless File.exist?(manifest_file)
    script_logger.error("missing manifest file #{manifest_file}")
    next
  end
  script_logger.info("processing manifest file #{manifest_file}")

  # NOTE: Requires that manifest headers NOT be converted to lowercase.
  manifest = UMPTG::Fulcrum::Manifest::Document.new(
                csv_file: manifest_file
              )

  # Write CSV file.
  new_manifest_file = File.join(File.dirname(manifest_file), \
        File.basename(manifest_file, ".*") + "_manifold" + File.extname(manifest_file))
  #new_headers = manifest.headers - ["Embed Code", "External Resource URL"]
  new_headers = manifest.headers
  CSV.open(
          new_manifest_file,
          "w",
          write_headers: true,
          headers: new_headers,
          universal_newline: true,
        ) do |csv|
    manifest.csv.each do |fs|
      next if fs['Representative Kind'] == 'pdf_ebook'
      #next unless fs['External Resource URL'].nil? or fs['External Resource URL'].strip.empty?
      row = {}
      fs.each do |key,value|
        row[key] = value
      end
      csv << row
    end
  end
  script_logger.info("saved CSV file #{new_manifest_file}")
end