Class: StrippedLengthValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/validators/stripped_length_validator.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.get_sanitized_value(value) ⇒ Object 



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# File 'lib/validators/stripped_length_validator.rb', line 29

def self.get_sanitized_value(value)
  value = value.dup
  value.gsub!(/<!--(.*?)-->/, "") # strip HTML comments
  value.gsub!(/:\w+(:\w+)?:/, "X") # replace emojis with a single character
  value.gsub!(/\.{2,}/, "…") # replace multiple ... with …
  value.gsub!(/\,{2,}/, ",") # replace multiple ,,, with ,
  value.strip
end

.validate(record, attribute, value, range) ⇒ Object 



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# File 'lib/validators/stripped_length_validator.rb', line 4

def self.validate(record, attribute, value, range)
  if value.nil?
    record.errors.add attribute, I18n.t("errors.messages.blank")
  elsif value.length > range.end
    record.errors.add attribute,
                      I18n.t(
                        "errors.messages.too_long_validation",
                        max: range.end,
                        length: value.length,
                      )
  else
    value = get_sanitized_value(value)

    if value.length < range.begin
      record.errors.add attribute, I18n.t("errors.messages.too_short", count: range.begin)
    end
  end
end

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/validators/stripped_length_validator.rb', line 23

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