personal-journal/lib/tasks/personal_journal.rake

namespace :personal_journal do
  desc 'set_journal_type'
  task :set_journal_type => :environment do |task,args|
  	JournalPaper.where(:rss2_id.ne=>nil).update_all({"$unset"=>{"journal_type_ids"=>""}})
		MemberTag.all.each do |mt|
			journal_type = JournalType.where(:title=>mt.title).first
			journal_type = JournalType.create(:title_translations=>mt.title_translations) if journal_type.nil?
			journal_type_id = journal_type.id
			journal_paper_ids = JournalPaper.where(:member_profile_id.in=>mt.member_profile_ids, :rss2_id.ne=>nil).pluck(:id)
			JournalPaper.where(:id.in=>journal_paper_ids).update_all({"$addToSet"=>{"journal_type_ids"=>journal_type.id}})
			# JournalType.where(:id=>journal_type_id).update_all({"$addToSet"=>{"journal_paper_ids"=>{"$each"=>journal_paper_ids}}})
		end
  end
end