invalid_records.rake

namespace :invalid_records do
  task check: [:environment] do
    puts "Checking for invalid records...\n"

    invalid_records = []
    total_record_count = 0

    # Make sure that all AR models are required
    Dir["#{Rails.root}/app/models/**/*.rb"].each { |file_path| require file_path rescue nil }

    # Iterate through all records and mark invalid ones
    ActiveRecord::Base.descendants.select(&:descends_from_active_record?).sort_by(&:name).each do |klass|
      klass.find_each do |record|
        total_record_count += 1
        invalid_records << record unless record.valid?
      end
    end

    # Output invalid record results
    if invalid_records.any?
      puts %Q{
      Found #{invalid_records.count} of #{total_record_count} invalid records
      --------------------}

      invalid_records.each do |invalid_record|
        puts %Q{
        #{invalid_record.class.to_s} ##{invalid_record.id}
        Errors: #{invalid_record.errors.full_messages.uniq.to_sentence}}
      end
    end
  end
end