Created
October 22, 2010 22:00
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require 'rubygems' | |
require 'active-fedora' | |
require 'open-uri' | |
require File.expand_path(File.dirname(__FILE__) + '/boot') | |
class DeleteFedoraObjects | |
attr_reader :repository | |
attr_reader :workflow | |
attr_reader :registration_robot | |
attr_reader :druid_list | |
# Given a repository, a workflow and the name of a robot that registers objects in fedora | |
# we can generate a list of all the druids that were created by that robot | |
def initialize(repository, workflow, registration_robot) | |
@repository = repository | |
@workflow = workflow | |
@registration_robot = registration_robot | |
@druid_list = self.get_druid_list | |
end | |
def get_druid_list | |
begin | |
druid_list = [] | |
url_string = "#{WORKFLOW_URI}/workflow_queue?repository=#{@repository}&workflow=#{@workflow}&completed=#{@registration_robot}" | |
doc = Nokogiri::XML(open(url_string)) | |
doc.xpath("//objects/object/@id").each do |id| | |
druid_list << id.to_s | |
end | |
return druid_list | |
rescue Exception => e | |
raise e, "Couldn't fetch druid list from #{url_string}" | |
end | |
end | |
# Iterate through the druids in @druid_list and delete each of them from FEDORA | |
def delete_druids | |
connect_to_fedora | |
@druid_list.each do |druid| | |
obj = ActiveFedora::Base.load_instance(druid) | |
puts obj.inspect | |
end | |
end | |
def connect_to_fedora | |
begin | |
if @repository == "dor" | |
repo_url = FEDORA_URI | |
elsif @repository == "sdr" | |
repo_url = SEDORA_URI | |
else | |
raise "I don't know how to connect to repository #{@repository}" | |
end | |
puts "connecting to #{repo_url}" | |
Fedora::Repository.register(repo_url) | |
rescue Errno::ECONNREFUSED => e | |
raise e, "Can't connect to Fedora at url #{repo_url}" | |
end | |
end | |
end | |
dfo = DeleteFedoraObjects.new("dor","googleScannedBookWF", "register-object") | |
dfo.delete_druids |
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