Class: Grape::Validations::Types::PrimitiveCoercer

Inherits:
DryTypeCoercer show all
Defined in:
lib/grape/validations/types/primitive_coercer.rb

Overview

Coerces the given value to a type defined via a type argument during initialization.

Constant Summary collapse

MAPPING = 
{
  Grape::API::Boolean => DryTypes::Params::Bool,

  # unfortunatelly, a +Params+ scope doesn't contain String
  String              => DryTypes::Coercible::String
}.freeze
STRICT_MAPPING = 
{
  Grape::API::Boolean => DryTypes::Strict::Bool
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(type, strict = false) ⇒ PrimitiveCoercer

Returns a new instance of PrimitiveCoercer.



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# File 'lib/grape/validations/types/primitive_coercer.rb', line 22

def initialize(type, strict = false)
  super

  @type = type

  @coercer = if strict
               STRICT_MAPPING.fetch(type) { scope.const_get(type.name) }
             else
               MAPPING.fetch(type) { scope.const_get(type.name) }
             end
end

Instance Method Details

#call(val) ⇒ Object 



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# File 'lib/grape/validations/types/primitive_coercer.rb', line 34

def call(val)
  return InvalidValue.new if reject?(val)
  return nil if val.nil?
  return '' if val == ''

  super
end