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# frozen_string_literal: true
module LunaPark
module Extensions
# @example
# class MyForm
# include LunaPark::Extensions::Validatable
#
# validator MyValidator # must respond_to #errors, #success?, #valid_params, .validate
#
# def initialize(params)
# @params = params
# end
#
# def data
# OpenStruct.new(valid_params) if valid?
# end
#
# private
#
# attr_reader :params # define abstract method
# end
#
# form = MyForm.new(foo: 'Foo')
# form.valid? # => false
# form.validation_errors # => { bar: ['is missing'] }
# form.data # => nil
#
# form = MyForm.new(foo: 'Foo', bar: 'Bar')
# form.valid? # => true
# form.data # => #<OpenStruct foo="Foo" bar="Bar" }
module Validatable
def self.included(klass)
klass.include InstanceMethods
klass.extend ClassMethods
super
end
module InstanceMethods
def validation_errors_array
validation ? validation.errors_array : {}
end
def validation_errors_tree
validation ? validation.errors_tree : []
end
def validation_errors
validation ? validation.errors : {}
end
def valid?
validation ? validation.success? : true
end
private
def valid_params
validation ? validation.valid_params : params
end
def validation
@validation ||= self.class.validator.validate(params)
end
# :nocov:
def params
raise Errors::AbstractMethod
end
# :nocov:
end
module ClassMethods
def validator(klass = nil)
klass.nil? ? @validator : @validator = klass
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems