mastodon/app/models/concerns/domain_normalizable.rb

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# frozen_string_literal: true
module DomainNormalizable
extend ActiveSupport::Concern
included do
before_validation :normalize_domain
scope :by_domain_length, -> { order(domain_char_length.desc) }
end
class_methods do
def domain_char_length
Arel.sql(
<<~SQL.squish
CHAR_LENGTH(domain)
SQL
)
end
end
private
def normalize_domain
self.domain = TagManager.instance.normalize_domain(domain&.strip)
rescue Addressable::URI::InvalidURIError
errors.add(:domain, :invalid)
end
end