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33 lines
1.2 KiB
Ruby
33 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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class StrippedLengthValidator < ActiveModel::EachValidator
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def self.validate(record, attribute, value, range)
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if value.nil?
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record.errors.add attribute, I18n.t('errors.messages.blank')
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elsif value.length > range.end
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record.errors.add attribute, I18n.t('errors.messages.too_long_validation', max: range.end, length: value.length)
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else
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value = get_sanitized_value(value)
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if value.length < range.begin
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record.errors.add attribute, I18n.t('errors.messages.too_short', count: range.begin)
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end
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end
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end
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def validate_each(record, attribute, value)
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# the `in` parameter might be a lambda when the range is dynamic
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range = options[:in].lambda? ? options[:in].call : options[:in]
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self.class.validate(record, attribute, value, range)
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end
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def self.get_sanitized_value(value)
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value = value.dup
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value.gsub!(/<!--(.*?)-->/, '') # strip HTML comments
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value.gsub!(/:\w+(:\w+)?:/, "X") # replace emojis with a single character
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value.gsub!(/\.{2,}/, '…') # replace multiple ... with …
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value.gsub!(/\,{2,}/, ',') # replace multiple ,,, with ,
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value.strip
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end
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end
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