Used to supply the client w/ AR model validation rules

model_validations.rb

# Used to supply the client w/ AR model validation rules

module ModelValidations
    def model_validations
        validations = {}
        self.class.validators.each do |validation|
            # Presence validations (is required)
            if validation.class == ActiveRecord::Validations::PresenceValidator
                validations[validation.attributes.first] = { allow_nil: false }
            end

            # Inclusion validations (must be included in list)
            if validation.class == ActiveModel::Validations::InclusionValidator
                validation_list = validation.options[:in]
                if validation_list.class == Symbol
                    validations[validation.attributes.first] = validation.options.merge({in: self.send(validation_list)})
                else
                    validations[validation.attributes.first] = validation.options
                end
            end
        end
        return validations
    end
end