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# File 'lib/property_sets/active_record_extension.rb', line 9
def property_set(association, options = {}, &block)
unless include?(PropertySets::ActiveRecordExtension::InstanceMethods)
self.send(:prepend, PropertySets::ActiveRecordExtension::InstanceMethods)
cattr_accessor :property_set_index
self.property_set_index = Set.new
end
raise "Invalid association name, letters only" unless association.to_s =~ /[a-z]+/
self.property_set_index << association
property_class = PropertySets.ensure_property_set_class(
association,
options.delete(:owner_class_name) || self.name
)
property_class.instance_eval(&block)
hash_opts = {:class_name => property_class.name, :autosave => true, :dependent => :destroy}.merge(options)
silence_warnings do
has_many association, hash_opts do
include PropertySets::ActiveRecordExtension::AssociationExtensions
property_class.keys.each do |key|
raise "Invalid property key #{key}" if self.respond_to?(key)
define_method "#{key}?" do
type = property_class.type(key)
value = lookup_value(type, key)
![ "false", "0", "", "off", "n" ].member?(value.to_s.downcase)
end
define_method "#{key}" do
type = property_class.type(key)
lookup_value(type, key)
end
define_method "#{key}=" do |value|
instance = lookup(key)
instance.value = PropertySets::Casting.write(property_class.type(key), value)
instance.value
end
define_method "#{key}_record" do
lookup(key)
end
end
define_method :property_serialized? do |key|
property_class.type(key) == :serialized
end
end
end
end
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