Find all works by a user and transfer ownership to another user

gistfile1.txt

work_ids = ActiveFedora::SolrService.query('depositor_ssim:user@example.com', fl: "id", rows: 1000)

new_owner_email = 'user@example.com'

def change_ownership(work_ids, new_owner_email)
   work_ids.each do |hash|
      pid = hash['id']
      work = ActiveFedora::Base.find(pid)
      work.depositor = new_owner_email
      work.edit_users = [new_owner_email]
      work.save
      work.file_sets.each do |file|
        file.depositor = new_owner_email
        file.edit_users = [new_owner_email]
        file.creator = [new_owner_email]
        file.save
       end
   end
end