pulibrary / pdc_describe / 4e4e59fc-9df4-4838-9fd4-6c7ea33cdb7c

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4e4e59fc-9df4-4838-9fd4-6c7ea33cdb7c

Pull #1994

circleci

hectorcorrea 
Switched to use the autocomplete that we aleady use for ROR. Integrated it with the existing logic for creators
Pull Request #1994: Started adding auto complete to contributors

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4806 existing lines in 74 files now uncovered.

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0.0
/app/models/ark.rb
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# frozen_string_literal: true
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require "ezid-client"
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class Ark




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  EZID_TEST_SHOULDER = "ark:/99999"




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  # Mints a new EZID identifier, returns the id (e.g. "ark:/99999/fk4tq65d6k")











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  def self.mint




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    identifier = Ezid::Identifier.mint




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    identifier.id




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  end




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  ##










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  # Ezid::Identifier.find(ezid) only works if the ezid is formatted as an ark,










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  # e.g., "ark:/99999/abc123"











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  def self.format_ark(ark)




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    return ark if ark.starts_with?("ark:/")




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    "ark:/#{ark}"




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  end




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  def self.find(ezid)




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    Ezid::Identifier.find(format_ark(ezid))




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  rescue StandardError => error




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    Rails.logger.error("Failed to find the EZID #{ezid}: #{error.class}: #{error.message}")




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    nil




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  end




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  # Update the ARK to point to a new target.










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  # Sometimes we get an error:










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  # Net::HTTPServerException: 400 "Bad Request"










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  # If that happens, try again, up to 5 times, sleep 3 seconds between retries.










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  # If it still fails, send the error to honeybadger.










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  # @note No testing coverage for StandardError but depends on API











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  def self.update(ezid, new_url, command_line: false)




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    return if ezid.start_with?(EZID_TEST_SHOULDER)




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    Retryable.retryable(tries: 5, sleep: 3, on: [Net::HTTPServerException]) do




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      identifier = Ezid::Identifier.find(ezid)




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      if identifier.target != new_url




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        identifier.target = new_url




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        identifier.save




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      end




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    end




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  rescue StandardError => error




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    message = "Unable to update EZID #{ezid}: #{error.class}: #{error.message}"




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    puts message if command_line




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    Rails.logger.error(message)




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    Honeybadger.notify(message)




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  end




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  # Determines whether or not a given EZID string is a valid ARK










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  # @param [ezid] [String] the EZID being validated










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  # @return [Boolean]











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  def self.valid?(ezid)




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    # Always consider test ARKs valid











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    return true if ezid.start_with?(EZID_TEST_SHOULDER)




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    # Try and retrieve the ARK











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    new(ezid)




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    true




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  rescue ArgumentError




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    false




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  end




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  def self.valid_shoulder?(ezid)




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    ezid.exclude?(self::EZID_TEST_SHOULDER)




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  end




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  def initialize(ezid)




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    @object = self.class.find(ezid)




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    raise(ArgumentError, "Invalid EZID provided for an ARK: #{ezid}") if @object.nil? || !self.class.valid_shoulder?(ezid)




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  end




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  def object




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    @object ||= self.class.find(ezid)




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  end




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  delegate :id, :metadata, to: :object




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  def target




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    metadata[Ezid::Metadata::TARGET]




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  end




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  def target=(value)




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    metadata[Ezid::Metadata::TARGET] = value




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  end




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  def save!




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    object.modify(id, metadata)




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  end




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  # ======================










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  # If in the future we want to update the information of the ARK we can










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  # implement a few methods as follow:










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  #










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  # Update the target URL of the ARK to point to a new URL










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  # def self.update_target(id, new_url)










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  #   identifier = Ezid::Identifier.find(id)










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  #   identifier.target = new_url










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  #   identifier.save










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  # end










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  #










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  # Update the metadata for an ARK. See https://ezid.cdlib.org/doc/apidoc.html#metadata-profiles










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  # for details on the profiles supported.










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  #










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  # def self.update_metadata(id)










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  #   metadata = {










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  #     profile: 'dc',










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  #     dc_creator: 'somebody',










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  #     dc_title: 'some title',










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  #     dc_date: '2022-04-08',










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  #   }










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  #   identifier = Ezid::Identifier.modify(id, metadata)










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  # end










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  # ======================











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end




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