Module: Protobuf::ActiveRecord::Validations::ClassMethods

Defined in:
lib/protobuf/active_record/validations.rb

Instance Method Summary collapse

Instance Method Details

#validates_enumeration_of(*args) ⇒ Object

Validates whether the value of the specified attribute is available in the given Protobuf Enum. The enumeration should be passed as a class that defines the enumeration:

“‘ class User < ActiveRecord::Base

include ::Protoable

validates_enumeration_of :role_type, :with => RoleType, :allow_nil => true

end “‘

In this example, RoleType is a defined as a protobuf enum.

It accepts the same options as ‘validates_inclusion_of` (the :in option is automatically set and will be overwritten).

Raises:

  • (ArgumentError) 


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# File 'lib/protobuf/active_record/validations.rb', line 26

def validates_enumeration_of(*args)
  options = args.extract_options!
  enumerable = options.delete(:with)

  raise ArgumentError, ":with must be specified" if enumerable.nil?

  if enumerable < ::Protobuf::Enum
    options[:in] = enumerable.all_tags
  end

  args << options

  validates_inclusion_of(*args)
end