class Sufia::Arkivo::MetadataMunger

Public Class Methods

new(metadata) click to toggle source
# File lib/sufia/arkivo/metadata_munger.rb, line 13
def initialize(metadata)
  @metadata = metadata
end

Public Instance Methods

call() click to toggle source
# File lib/sufia/arkivo/metadata_munger.rb, line 17
def call
  munged = {}

  # First, normalize camelCase symbols to underscore strings
  @metadata.each do |key, value|
    munged[key.to_s.underscore] = Array.wrap(value)
  end

  # Then, rename the url key to related_url
  munged['related_url'] = munged.delete('url') if munged['url']

  # Then, rename the tags key to keyword
  munged['keyword'] = munged.delete('tags') if munged['tags']

  # Then, normalize creator names
  munged_creators = munged['creators'].each do |entry|
    next if entry['name']
    entry['name'] = "#{entry.delete('lastName')}, #{entry.delete('firstName')}".strip
  end

  # Then, parse creators and contributors out
  creator_names, contributor_names = split_creators_and_contributors(munged_creators)
  munged['creator'] = creator_names unless creator_names.blank?
  munged['contributor'] = contributor_names unless contributor_names.blank?

  # And remove the original creators array
  munged.delete('creators') if munged['creators']
  munged
end

Private Instance Methods

split_creators_and_contributors(list_of_creators) click to toggle source
# File lib/sufia/arkivo/metadata_munger.rb, line 49
def split_creators_and_contributors(list_of_creators)
  creators = []
  contributors = []
  list_of_creators.each do |creator|
    creators << creator['name'] if Sufia::Arkivo::CREATOR_TYPES.include? creator['creatorType']
    contributors << creator['name'] if Sufia::Arkivo::CONTRIBUTOR_TYPES.include? creator['creatorType']
  end
  [creators, contributors]
end