diff options
Diffstat (limited to 'activerecord/lib/active_record/aggregations.rb')
| -rw-r--r-- | activerecord/lib/active_record/aggregations.rb | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index 0d5313956b..1040e6e3bb 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -129,10 +129,10 @@ module ActiveRecord # is an instance of the value class. Specifying a custom converter allows the new value to be automatically # converted to an instance of value class if necessary. # - # For example, the NetworkResource model has +network_address+ and +cidr_range+ attributes that - # should be aggregated using the NetAddr::CIDR value class (http://netaddr.rubyforge.org). The constructor - # for the value class is called +create+ and it expects a CIDR address string as a parameter. New - # values can be assigned to the value object using either another NetAddr::CIDR object, a string + # For example, the NetworkResource model has +network_address+ and +cidr_range+ attributes that should be + # aggregated using the NetAddr::CIDR value class (http://www.ruby-doc.org/gems/docs/n/netaddr-1.5.0/NetAddr/CIDR.html). + # The constructor for the value class is called +create+ and it expects a CIDR address string as a parameter. + # New values can be assigned to the value object using either another NetAddr::CIDR object, a string # or an array. The <tt>:constructor</tt> and <tt>:converter</tt> options can be used to meet # these requirements: # @@ -230,8 +230,8 @@ module ActiveRecord private def reader_method(name, class_name, mapping, allow_nil, constructor) define_method(name) do - if @aggregation_cache[name].nil? && (!allow_nil || mapping.any? {|pair| !read_attribute(pair.first).nil? }) - attrs = mapping.collect {|pair| read_attribute(pair.first)} + if @aggregation_cache[name].nil? && (!allow_nil || mapping.any? {|key, _| !_read_attribute(key).nil? }) + attrs = mapping.collect {|key, _| _read_attribute(key)} object = constructor.respond_to?(:call) ? constructor.call(*attrs) : class_name.constantize.send(constructor, *attrs) @@ -244,15 +244,19 @@ module ActiveRecord def writer_method(name, class_name, mapping, allow_nil, converter) define_method("#{name}=") do |part| klass = class_name.constantize + if part.is_a?(Hash) + part = klass.new(*part.values) + end + unless part.is_a?(klass) || converter.nil? || part.nil? part = converter.respond_to?(:call) ? converter.call(part) : klass.send(converter, part) end if part.nil? && allow_nil - mapping.each { |pair| self[pair.first] = nil } + mapping.each { |key, _| self[key] = nil } @aggregation_cache[name] = nil else - mapping.each { |pair| self[pair.first] = part.send(pair.last) } + mapping.each { |key, value| self[key] = part.send(value) } @aggregation_cache[name] = part.freeze end end |