couchrest_model/lib/couchrest/property.rb

51 lines
1.6 KiB
Ruby
Raw Normal View History

module CouchRest
2009-07-20 23:17:27 +02:00
# Basic attribute support for adding getter/setter + validation
class Property
attr_reader :name, :type, :read_only, :alias, :default, :casted, :init_method, :options
2009-07-20 23:17:27 +02:00
# attribute to define
def initialize(name, type = nil, options = {})
@name = name.to_s
parse_type(type)
parse_options(options)
self
end
2009-07-20 23:17:27 +02:00
private
2009-07-20 23:17:27 +02:00
def parse_type(type)
if type.nil?
@type = String
elsif type.is_a?(Array) && type.empty?
@type = [Object]
else
base_type = type.is_a?(Array) ? type.first : type
if base_type.is_a?(String)
if base_type.downcase == 'boolean'
base_type = TrueClass
else
begin
base_type = ::CouchRest.constantize(base_type)
rescue # leave base type as a string and convert in more/typecast
end
end
end
@type = type.is_a?(Array) ? [base_type] : base_type
end
end
2009-07-20 23:17:27 +02:00
def parse_options(options)
return if options.empty?
@validation_format = options.delete(:format) if options[:format]
@read_only = options.delete(:read_only) if options[:read_only]
@alias = options.delete(:alias) if options[:alias]
@default = options.delete(:default) unless options[:default].nil?
@casted = options[:casted] ? true : false
@init_method = options[:init_method] ? options.delete(:init_method) : 'new'
@options = options
end
2009-07-20 23:17:27 +02:00
end
end