16 lines
747 B
Ruby
16 lines
747 B
Ruby
class StrippedLengthValidator < ActiveModel::EachValidator
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def validate_each(record, attribute, value)
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unless value.nil?
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stripped_length = value.strip.length
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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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record.errors.add attribute, (options[:message] || I18n.t('errors.messages.too_short', count: range.begin)) unless
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stripped_length >= range.begin
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record.errors.add attribute, (options[:message] || I18n.t('errors.messages.too_long', count: range.end)) unless
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stripped_length <= range.end
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else
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record.errors.add attribute, (options[:message] || I18n.t('errors.messages.blank'))
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end
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end
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end
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