fluke/devops-service/db/validators/base.rb
2016-01-21 20:46:15 +03:00

48 lines
1.0 KiB
Ruby

module Validators
class Base
def initialize(model, options={})
@model = model
@options = options
end
def validate!
raise InvalidRecord.new(message) unless valid?
rescue StandardError => e
DevopsLogger.logger.error [e.message, e.backtrace].join("\n")
raise InvalidRecord.new("An error raised during validation with #{self.class}: #{e.class}: #{e.message}")
end
# :nocov:
def valid?
raise 'override me'
end
def message
raise 'override me'
end
# :nocov:
class << self
private
# this method delegates @valid? and @message methods to helper validator, passed as block
def delegate_to_helper_validator(&block)
define_method :helper_validator do
@helper_validator ||= self.instance_eval(&block)
end
define_method :valid? do
self.helper_validator.valid?
end
define_method :message do
self.helper_validator.message
end
end
end
end
end