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Contents
require "active_support/concern"
require "active_support/core_ext/object/blank"
module ActiveRemote
# QueryAttributes provides instance methods for querying attributes.
#
# @example Usage
# class Person < ::ActiveRemote::Base
# attribute :name
# end
#
# person = Person.new
# person.name? #=> false
# person.name = "Chris Griego"
# person.name? #=> true
#
module QueryAttributes
extend ::ActiveSupport::Concern
included do
attribute_method_suffix "?"
end
# Test the presence of an attribute
#
# See {Typecasting::BooleanTypecaster.call} for more details.
#
# @example Query an attribute
# person.query_attribute(:name)
#
def query_attribute(name)
if respond_to?("#{name}?")
send("#{name}?")
else
raise ::ActiveRemote::UnknownAttributeError, "unknown attribute: #{name}"
end
end
private
def attribute?(name)
::ActiveRemote::Typecasting::BooleanTypecaster.call(read_attribute(name))
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems