Class: Grape::Validations::Validators::ExceptValuesValidator

Inherits:
Base
  • Object
show all
Defined in:
lib/grape/validations/validators/except_values_validator.rb

Instance Attribute Summary

Attributes inherited from Base

#attrs

Instance Method Summary collapse

Methods inherited from Base

#fail_fast?, inherited, #message, #options_key?, #validate, #validate!

Constructor Details

#initialize(attrs, options, required, scope, opts) ⇒ ExceptValuesValidator

Returns a new instance of ExceptValuesValidator.



7
8
9
10
 
# File 'lib/grape/validations/validators/except_values_validator.rb', line 7

def initialize(attrs, options, required, scope, opts)
  @except = options.is_a?(Hash) ? options[:value] : options
  super
end

Instance Method Details

#validate_param!(attr_name, params) ⇒ Object

Raises:



12
13
14
15
16
17
18
19
20
 
# File 'lib/grape/validations/validators/except_values_validator.rb', line 12

def validate_param!(attr_name, params)
  return unless params.respond_to?(:key?) && params.key?(attr_name)

  excepts = @except.is_a?(Proc) ? @except.call : @except
  return if excepts.nil?

  param_array = params[attr_name].nil? ? [nil] : Array.wrap(params[attr_name])
  raise Grape::Exceptions::Validation.new(params: [@scope.full_name(attr_name)], message: message(:except_values)) if param_array.any? { |param| excepts.include?(param) }
end