Class: HashValidator

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

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object


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# File 'lib/hash_validator.rb', line 2

def validate_each(record, attribute, value)
  record.errors.add(attribute, 'must be a Hash') unless value.is_a?(Hash)

  value.each do |k, v|
    if options[:key_type]
      unless k.is_a?(options[:key_type])
        record.errors.add(attribute, "keys must be a #{options[:key_type].name} (#{k.inspect} is not).")
      end
    end

    if options[:key_in]
      unless options[:key_in].include?(k)
        record.errors.add(attribute, "keys must be in #{options[:key_in].inspect} (#{k.inspect} is not).")
      end
    end


    if options[:value_type]
      unless v.is_a?(options[:value_type])
        record.errors.add(attribute, "values must be a #{options[:value_type].name} (#{v.inspect} for key #{k.inspect} is not).")
      end
    end

    if options[:value_in]
      unless options[:value_in].include?(v)
        record.errors.add(attribute, "values must be in #{options[:value_in].inspect} (#{v.inspect} for key #{k.inspect} is not).")
      end
    end
  end
end