oldhaven/lib/tasks/db_artist.rake

namespace :db do
  namespace :artist do
    desc 'Fix broken imports'
    task :fix => :environment do
      Artist.where(:status => [0, 2]).each do |artist|
        artist.albums.each do |album|
          album.destroy
        end
        puts 'Artist:'+artist.name
        puts 'MBID:  '+artist.mbid unless artist.mbid.nil?
        res = ImportController.importArtist(artist.name)
        if res == 1
          puts 'Status: OK'
        elsif res == 2
          puts 'Status: FAILED'
        elsif res == 3
          puts 'Status: SKIP'
        end
        puts ''
      end
    end
  end
end