Class: HashyObjectValidator

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

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/hashy_validator/hashy_object_validator.rb', line 4

def validate_each(record, attribute, value)
  instance_value = HashyValueValidator.new(value, options)

  # Do not validate empty hash
  return if instance_value.value.blank?

  unless instance_value.valid?
    record.errors.add(attribute, instance_value.reason)
    return false
  end

  if instance_value.value.is_a?(Array)
    record.errors.add(attribute, :not_an_object)
    return false
  end

  # force all array entries to have string keys
  # discard keys that do not have validators
  value = instance_value.value.stringify_keys.slice(*instance_value.validations.keys)

  # if boolean found as any of the validations we force value to boolean - if present
  instance_value.boolean_attrs.each do |boolean_attr|
    value[boolean_attr] = HashyValueValidator.get_boolean_value(value[boolean_attr]) if value.key?(boolean_attr)
  end

  # use default hash validator
  validator = HashValidator.validate(value, instance_value.validations)
  unless validator.valid?
    validator.errors.each { |k, v| record.errors.add(attribute, "'#{k}' #{v}") }
  end

  # update the value even if errors found
  # we use send write param so we also support attr_accessor attributes
  record.send("#{attribute}=", value)
end