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Contents
module Datacaster
class Validator < Base
@@validations = {}
def self.create_active_model(validations)
@@validations[validations] ||=
Class.new do
include ActiveModel::Validations
attr_accessor :value
def self.model_name
ActiveModel::Name.new(self, nil, "ValidatorModel")
end
if validations.present?
validates :value, validations
end
end.new
end
def initialize(validations)
require 'active_model'
if Config.i18n_module == SubstituteI18n
raise NotImplementedError, "Using ActiveModel validations requires ruby-i18n or another i18n gem instead of datacaster's built-in", caller
end
@validator = self.class.create_active_model(validations)
end
def cast(object, runtime:)
@validator.value = object
@validator.valid? ? Datacaster.ValidResult(object) : Datacaster.ErrorResult(@validator.errors[:value])
end
def inspect
"#<Datacaster::Validator>"
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems