Class: Grape::Validations::Validators::ValuesValidator
- Defined in:
- lib/grape/validations/validators/values_validator.rb
Instance Attribute Summary
Attributes inherited from Base
Instance Method Summary collapse
-
#initialize(attrs, options, required, scope, **opts) ⇒ ValuesValidator
constructor
A new instance of ValuesValidator.
- #validate_param!(attr_name, params) ⇒ Object
Methods inherited from Base
#fail_fast?, inherited, #message, #options_key?, #validate, #validate!
Constructor Details
#initialize(attrs, options, required, scope, **opts) ⇒ ValuesValidator
Returns a new instance of ValuesValidator.
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# File 'lib/grape/validations/validators/values_validator.rb', line 7 def initialize(attrs, , required, scope, **opts) if .is_a?(Hash) @excepts = [:except] @values = [:value] @proc = [:proc] ActiveSupport::Deprecation.warn('The values validator except option is deprecated. Use the except validator instead.') if @excepts raise ArgumentError, 'proc must be a Proc' if @proc && !@proc.is_a?(Proc) ActiveSupport::Deprecation.warn('The values validator proc option is deprecated. The lambda expression can now be assigned directly to values.') if @proc else @excepts = nil @values = nil @proc = nil @values = end super end |
Instance Method Details
#validate_param!(attr_name, params) ⇒ Object
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# File 'lib/grape/validations/validators/values_validator.rb', line 27 def validate_param!(attr_name, params) return unless params.is_a?(Hash) val = params[attr_name] return if val.nil? && !required_for_root_scope? # don't forget that +false.blank?+ is true return if val != false && val.blank? && @allow_blank param_array = val.nil? ? [nil] : Array.wrap(val) raise validation_exception(attr_name, ) \ unless check_excepts(param_array) raise validation_exception(attr_name, (:values)) \ unless check_values(param_array, attr_name) raise validation_exception(attr_name, (:values)) \ if @proc && !validate_proc(@proc, param_array) end |