18 lines
		
	
	
	
		
			435 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
	
		
			435 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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class HtmlValidator < ActiveModel::EachValidator
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  def validate_each(record, attribute, value)
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    return if value.blank?
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    errors = html_errors(value)
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    unless errors.empty?
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      record.errors.add(attribute, I18n.t('html_validator.invalid_markup', error: errors.first.to_s))
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    end
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  end
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  private
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  def html_errors(str)
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    fragment = Nokogiri::HTML.fragment(str)
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    fragment.errors
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  end
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end
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