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Contents
# frozen_string_literal: true
# See /README.md
module SimpleRubyService
module ServiceObject
extend ActiveSupport::Concern
include Service
included do
class << self
undef_method :service_methods
end
end
# Class level DSL for convenience.
class_methods do
def call(attributes = {}, &callback)
new(attributes).call(&callback)
end
def call!(attributes = {}, &callback)
new(attributes).call!(&callback)
end
end
# Returns self (for chainability).
# Memoizes to `value` the result of the blk provided.
# Evaluates validity prior to executing the block provided.
def call(&callback)
self.value = perform(&callback) if valid?
self
end
# Returns #value (i.e. the result of block provided).
# Raises Invalid if validation reports any errors.
# Raises Failure if the blk provided reports any errors.
def call!(&callback)
call(&callback)
raise Invalid.new self, errors.full_messages unless valid?
raise Failure.new self, errors.full_messages unless success?
value
end
protected
# Abstract method
def perform
raise NoMethodError, "#perform must be implemented."
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems