discourse/lib/validators/stripped_length_validator.rb

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# frozen_string_literal: true
class StrippedLengthValidator < ActiveModel::EachValidator
def self.validate(record, attribute, value, range)
unless value.nil?
stripped_length = value.strip.length
record.errors.add attribute, (I18n.t('errors.messages.too_short', count: range.begin)) unless
stripped_length >= range.begin
record.errors.add attribute, (I18n.t('errors.messages.too_long_validation', max: range.end, length: stripped_length)) unless
stripped_length <= range.end
else
record.errors.add attribute, (I18n.t('errors.messages.blank'))
end
end
def validate_each(record, attribute, value)
# the `in` parameter might be a lambda when the range is dynamic
range = options[:in].lambda? ? options[:in].call : options[:in]
self.class.validate(record, attribute, value, range)
end
end