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-rw-r--r--activemodel/lib/active_model/conversion.rb27
1 files changed, 17 insertions, 10 deletions
diff --git a/activemodel/lib/active_model/conversion.rb b/activemodel/lib/active_model/conversion.rb
index 1f5d23dd8e..9c9b6f4a77 100644
--- a/activemodel/lib/active_model/conversion.rb
+++ b/activemodel/lib/active_model/conversion.rb
@@ -1,5 +1,5 @@
module ActiveModel
- # == Active \Model Conversions
+ # == Active \Model \Conversion
#
# Handles default conversions: to_model, to_key, to_param, and to_partial_path.
#
@@ -40,13 +40,15 @@ module ActiveModel
self
end
- # Returns an Enumerable of all key attributes if any is set, regardless if
- # the object is persisted or not. If there no key attributes, returns +nil+.
+ # 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.
#
- # class Person < ActiveRecord::Base
+ # class Person
+ # include ActiveModel::Conversion
+ # attr_accessor :id
# end
#
- # person = Person.create
+ # person = Person.create(id: 1)
# person.to_key # => [1]
def to_key
key = respond_to?(:id) && id
@@ -56,13 +58,18 @@ module ActiveModel
# Returns a +string+ representing the object's key suitable for use in URLs,
# or +nil+ if <tt>persisted?</tt> is +false+.
#
- # class Person < ActiveRecord::Base
+ # class Person
+ # include ActiveModel::Conversion
+ # attr_accessor :id
+ # def persisted?
+ # true
+ # end
# end
#
- # person = Person.create
+ # person = Person.create(id: 1)
# person.to_param # => "1"
def to_param
- persisted? ? to_key.join('-') : nil
+ (persisted? && key = to_key) ? key.join('-') : nil
end
# Returns a +string+ identifying the path associated with the object.
@@ -83,8 +90,8 @@ module ActiveModel
# internal method and should not be accessed directly.
def _to_partial_path #:nodoc:
@_to_partial_path ||= begin
- element = ActiveSupport::Inflector.underscore(ActiveSupport::Inflector.demodulize(self))
- collection = ActiveSupport::Inflector.tableize(self)
+ element = ActiveSupport::Inflector.underscore(ActiveSupport::Inflector.demodulize(name))
+ collection = ActiveSupport::Inflector.tableize(name)
"#{collection}/#{element}".freeze
end
end