paranoid_lint.rake

namespace :acts_as_paranoid do
  desc "Verify that all models using acts_as_paranoid have scopes on their unique indexes and validations"
  task lint: :environment do
    if Rails.env.test?
      currently_probably_buggy_classes_ignored = %w[
        # too many things, redacted
      ]
      Zeitwerk::Loader.eager_load_all
      errors = []
      allows_multiple_deleted = "(deleted_at IS NULL)"
      ApplicationRecord.descendants.each do |clazz|
        next unless clazz.paranoid?
        unique_indexes = ActiveRecord::Base.connection.indexes(clazz.table_name).select { |x| x.unique }
        next unless unique_indexes.any?
        unique_indexes.each do |idx|
          if idx in currently_probably_buggy_classes_ignored
            puts "#{idx.name} does not pass rake acts_as_paranoid:lint but we are not worrying about that right now"
            next
          end
          unless idx.where&.include?(allows_multiple_deleted)
            errors << "#{clazz} uses acts_as_paranoid but has a unique index #{idx.name} without #{allows_multiple_deleted} but it does have: #{idx.where}"
          end
        end
      end
      raise errors.join("\n") unless errors.empty?
    else
      system("bundle exec rake acts_as_paranoid:lint RAILS_ENV='test'")
      raise if $?.exitstatus.nonzero?
    end
  end
end