diff options
Diffstat (limited to 'activemodel/lib/active_model/conversion.rb')
| -rw-r--r-- | activemodel/lib/active_model/conversion.rb | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/activemodel/lib/active_model/conversion.rb b/activemodel/lib/active_model/conversion.rb index 9de6ea65be..12687c70d3 100644 --- a/activemodel/lib/active_model/conversion.rb +++ b/activemodel/lib/active_model/conversion.rb @@ -40,15 +40,19 @@ module ActiveModel self end - # Returns an Array of all key attributes if any is set, regardless if - # the object is persisted or not. Returns +nil+ if there are no key attributes. + # Returns an Array of all key attributes if any of the attributes is set, whether or not + # the object is persisted. Returns +nil+ if there are no key attributes. # # class Person # include ActiveModel::Conversion # attr_accessor :id + # + # def initialize(id) + # @id = id + # end # end # - # person = Person.create(id: 1) + # person = Person.new(1) # person.to_key # => [1] def to_key key = respond_to?(:id) && id @@ -61,15 +65,20 @@ module ActiveModel # class Person # include ActiveModel::Conversion # attr_accessor :id + # + # def initialize(id) + # @id = id + # end + # # def persisted? # true # end # end # - # person = Person.create(id: 1) + # person = Person.new(1) # person.to_param # => "1" def to_param - (persisted? && key = to_key) ? key.join('-') : nil + (persisted? && key = to_key) ? key.join("-") : nil end # Returns a +string+ identifying the path associated with the object. |