diff options
Diffstat (limited to 'activemodel/lib/active_model/serialization.rb')
| -rw-r--r-- | activemodel/lib/active_model/serialization.rb | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb index a756b9f205..a4b58ab456 100644 --- a/activemodel/lib/active_model/serialization.rb +++ b/activemodel/lib/active_model/serialization.rb @@ -78,7 +78,8 @@ module ActiveModel attribute_names -= Array.wrap(except).map(&:to_s) end - hash = attributes.slice(*attribute_names) + hash = {} + attribute_names.each { |n| hash[n] = read_attribute_for_serialization(n) } method_names = Array.wrap(options[:methods]).select { |n| respond_to?(n) } method_names.each { |n| hash[n] = send(n) } @@ -95,17 +96,37 @@ module ActiveModel end private + + # Hook method defining how an attribute value should be retrieved for + # serialization. By default this is assumed to be an instance named after + # the attribute. Override this method in subclasses should you need to + # retrieve the value for a given attribute differently: + # + # class MyClass + # include ActiveModel::Validations + # + # def initialize(data = {}) + # @data = data + # end + # + # def read_attribute_for_serialization(key) + # @data[key] + # end + # end + # + alias :read_attribute_for_serialization :send + # Add associations specified via the <tt>:include</tt> option. # # Expects a block that takes as arguments: # +association+ - name of the association # +records+ - the association record(s) to be serialized # +opts+ - options for the association records - def serializable_add_includes(options = {}) + def serializable_add_includes(options = {}) #:nodoc: return unless include = options[:include] unless include.is_a?(Hash) - include = Hash[Array.wrap(include).map { |n| [n, {}] }] + include = Hash[Array.wrap(include).map { |n| n.is_a?(Hash) ? n.to_a.first : [n, {}] }] end include.each do |association, opts| |